feat(log): opt log

* opt log at release mode
* add MGE_OVERRIDE_LOG_LEVEL for runtime debug
//! env to config LogLevel
//!  DEBUG = 0, INFO = 1, WARN = 2, ERROR = 3, NO_LOG = 4
//! for example , export MGE_OVERRIDE_LOG_LEVEL=0, means set LogLevel to DEBUG

GitOrigin-RevId: 16cd674c56445b1f034359a2ac48beb7f86183a4

dnn/include/megdnn/dtype.h

@@ -25,13 +25,13 @@
 #include "megdnn/internal/visibility_prologue.h"
 
 #if MEGDNN_DISABLE_FLOAT16
-#define MEGDNN_INC_FLOAT16(_x)
-#define MEGDNN_FLOAT16_SELECT(_x, _y)   _y
+#define DNN_INC_FLOAT16(_x)
+#define DNN_FLOAT16_SELECT(_x, _y)   _y
 #else
 #include "megdnn/dtype/half.hpp"
 #include "megdnn/dtype/bfloat16.hpp"
-#define MEGDNN_INC_FLOAT16(_x) _x
-#define MEGDNN_FLOAT16_SELECT(_x, _y)   _x
+#define DNN_INC_FLOAT16(_x) _x
+#define DNN_FLOAT16_SELECT(_x, _y)   _x
 #endif
 
 namespace megdnn {
@@ -49,8 +49,8 @@ namespace megdnn {
     cb(IntB2) \
     cb(IntB4) \
     cb(Byte) \
-    MEGDNN_INC_FLOAT16(cb(Float16)) \
-    MEGDNN_INC_FLOAT16(cb(BFloat16)) \
+    DNN_INC_FLOAT16(cb(Float16)) \
+    DNN_INC_FLOAT16(cb(BFloat16)) \
     cb(UintB4) \
     cb(Bool) \
     cb(Uint16) \
@@ -65,8 +65,8 @@ namespace megdnn {
     cb(Int16) \
     cb(Int32) \
     cb(Byte) \
-    MEGDNN_INC_FLOAT16(cb(Float16)) \
-    MEGDNN_INC_FLOAT16(cb(BFloat16)) \
+    DNN_INC_FLOAT16(cb(Float16)) \
+    DNN_INC_FLOAT16(cb(BFloat16)) \
     cb(Bool) \
     cb(Uint16) \
 
@@ -108,8 +108,8 @@ namespace megdnn {
 
 #define MEGDNN_FOREACH_COMPUTING_DTYPE_FLOAT(cb) \
     cb(::megdnn::dtype::Float32) \
-    MEGDNN_INC_FLOAT16(cb(::megdnn::dtype::Float16)) \
-    MEGDNN_INC_FLOAT16(cb(::megdnn::dtype::BFloat16))
+    DNN_INC_FLOAT16(cb(::megdnn::dtype::Float16)) \
+    DNN_INC_FLOAT16(cb(::megdnn::dtype::BFloat16))
 
 
 /*!
@@ -360,8 +360,8 @@ typedef int8_t dt_int8;
 typedef uint8_t dt_uint8;
 typedef bool dt_bool;
 typedef uint16_t dt_uint16;
-MEGDNN_INC_FLOAT16(typedef half_float::half dt_float16;)
-MEGDNN_INC_FLOAT16(typedef half_bfloat16::bfloat16 dt_bfloat16;)
+DNN_INC_FLOAT16(typedef half_float::half dt_float16;)
+DNN_INC_FLOAT16(typedef half_bfloat16::bfloat16 dt_bfloat16;)
 
 #define MEGDNN_PARAMETERIZED_DTYPE_ENUM_BASE 100000
 #if MEGDNN_CC_HOST
@@ -722,10 +722,10 @@ MEGDNN_DEF_DT(Int8, dt_int8, INT, SIGNED, INT8_MIN, INT8_MAX);
 MEGDNN_DEF_DT(Uint8, dt_uint8, INT, UNSIGNED, 0, UINT8_MAX);
 MEGDNN_DEF_DT(Bool, dt_bool, BOOL, UNSIGNED, false, true);
 MEGDNN_DEF_DT(Uint16, dt_uint16, INT, UNSIGNED, 0, UINT16_MAX);
-MEGDNN_INC_FLOAT16(MEGDNN_DEF_DT(Float16, dt_float16, FLOAT, SIGNED,
+DNN_INC_FLOAT16(MEGDNN_DEF_DT(Float16, dt_float16, FLOAT, SIGNED,
             std::numeric_limits<dt_float16>::lowest(),
             std::numeric_limits<dt_float16>::max()));
-MEGDNN_INC_FLOAT16(MEGDNN_DEF_DT(BFloat16, dt_bfloat16, FLOAT, SIGNED,
+DNN_INC_FLOAT16(MEGDNN_DEF_DT(BFloat16, dt_bfloat16, FLOAT, SIGNED,
             std::numeric_limits<dt_bfloat16>::lowest(),
             std::numeric_limits<dt_bfloat16>::max()));
 

dnn/src/aarch64/warp_perspective/warp_perspective_cv.cpp

@@ -270,8 +270,7 @@ void megdnn::aarch64::warp_perspective_cv_exec(
             DISPATCH_IMODE(imode, bmode, ch, cb)
 #undef cb
         } else {
-            megdnn_throw(
-                    megdnn_mangle("Unsupported datatype of WarpPerspective optr."));
+            megdnn_throw("Unsupported datatype of WarpPerspective optr.");
         }
 }
 // vim: syntax=cpp.doxygen

dnn/src/arm_common/conv_bias/postprocess_helper.h

@@ -152,8 +152,9 @@ struct PostProcess<ctype, dtype, megdnn::PostprocessMode::NO_PROCESS> {
         MEGDNN_MARK_USED_VAR(OH);
         MEGDNN_MARK_USED_VAR(OW);
         MEGDNN_MARK_USED_VAR(pack_oc_size);
-        megdnn_assert(bias_mode == megdnn::BiasMode::NO_BIAS &&
-                      nonlineMode == megdnn::NonlineMode::IDENTITY);
+        megdnn_throw_if(bias_mode != megdnn::BiasMode::NO_BIAS ||
+                                nonlineMode != megdnn::NonlineMode::IDENTITY,
+                        megdnn_error, "biasmode or nonlineMode do not support");
     }
 };
 
@@ -310,7 +311,8 @@ struct PostProcess<ctype, dtype, megdnn::PostprocessMode::ADD_BIAS> {
                     megdnn::BiasMode bias_mode, megdnn::NonlineMode nonlineMode,
                     megdnn::DType bias_type, megdnn::DType dst_type, size_t N,
                     size_t OC, size_t OH, size_t OW, size_t pack_oc_size = 1) {
-        megdnn_assert(nonlineMode == megdnn::NonlineMode::IDENTITY);
+        megdnn_throw_if(nonlineMode != megdnn::NonlineMode::IDENTITY,
+                        megdnn_error, "nonlineMode do not support");
         FOR_BIAS(bias_mode, OH, OW);
     }
 };

dnn/src/arm_common/elemwise/binary/algo.cpp

@@ -115,7 +115,7 @@ bool ElemwiseImpl::AlgoBinaryVecBcast101x4::is_available(
     auto& elparam = kern_param.binary_elparam;
     auto& src0 = elparam[0];
 #if __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
-    if (MEGDNN_FLOAT16_SELECT(src0.layout.dtype == dtype::Float16{}, false)) {
+    if (DNN_FLOAT16_SELECT(src0.layout.dtype == dtype::Float16{}, false)) {
         return false;
     }
 #endif

dnn/src/arm_common/elemwise/binary/algo.h

@@ -23,8 +23,7 @@ namespace arm_common {
         }                                                            \
         const char* name() const override {                          \
             if (m_name.empty()) {                                    \
-                m_name = megdnn_mangle(                              \
-                        ssprintf("Elemwise::AlgoBinaryCase" #case)); \
+                m_name = ssprintf("Elemwise::AlgoBinaryCase" #case); \
             }                                                        \
             return m_name.c_str();                                   \
         }                                                            \

dnn/src/arm_common/elemwise/opr_impl.cpp

@@ -66,7 +66,7 @@ void ElemwiseImpl::exec(const TensorNDArray& srcs, _megdnn_tensor_out dst) {
     }
 
     if (m_dst->layout.dtype == dtype::Float32() ||
-        MEGDNN_FLOAT16_SELECT(m_dst->layout.dtype == dtype::Float16(), false) ||
+        DNN_FLOAT16_SELECT(m_dst->layout.dtype == dtype::Float16(), false) ||
         m_dst->layout.dtype == dtype::Int32() ||
         m_dst->layout.dtype == dtype::Int16() ||
         m_dst->layout.dtype == dtype::Int8()) {

dnn/src/arm_common/elemwise/opr_impl.h

@@ -66,7 +66,7 @@ public:
 #define DISPATCH_TYPE(_case)                                             \
     if (src0.layout.dtype == dtype::Float32{}) {                         \
         DISPATCH_MODE_FLOAT(_case, float, 0);                            \
-    } else if (MEGDNN_FLOAT16_SELECT(src0.layout.dtype == dtype::Float16{}, \
+    } else if (DNN_FLOAT16_SELECT(src0.layout.dtype == dtype::Float16{}, \
                                   false)) {                              \
         DISPATCH_MODE_FLOAT(_case, __fp16, 1);                           \
     } else if (src0.layout.dtype == dtype::Int32{}) {                    \

dnn/src/arm_common/elemwise/ternary/algo.h

@@ -23,8 +23,7 @@ namespace arm_common {
         }                                                             \
         const char* name() const override {                           \
             if (m_name.empty()) {                                     \
-                m_name = megdnn_mangle(                               \
-                        ssprintf("Elemwise::AlgoTernaryFma3" #case)); \
+                m_name = ssprintf("Elemwise::AlgoTernaryFma3" #case); \
             }                                                         \
             return m_name.c_str();                                    \
         }                                                             \

dnn/src/arm_common/elemwise/unary/algo.h

@@ -21,7 +21,7 @@ class ElemwiseImpl::AlgoUnary final : public ElemwiseImpl::AlgoBase {
     }
     const char* name() const override {
         if (m_name.empty()) {
-            m_name = megdnn_mangle(ssprintf("Elemwise::AlgoUnary"));
+            m_name = ssprintf("Elemwise::AlgoUnary");
         }
         return m_name.c_str();
     }

dnn/src/arm_common/reduce/opr_impl.cpp

@@ -916,7 +916,7 @@ void ReduceImpl::exec(_megdnn_tensor_in src, _megdnn_tensor_out dst,
         }
 #if __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
         if (src.layout.dtype.enumv() == DTypeEnum::Float16) {
-            MEGDNN_INC_FLOAT16(DISPATCH_MODE_FLOAT(__fp16, __fp16, __fp16));
+            DNN_INC_FLOAT16(DISPATCH_MODE_FLOAT(__fp16, __fp16, __fp16));
         }
 #endif
     }

dnn/src/arm_common/resize/resize_cv.cpp

@@ -2044,7 +2044,7 @@ void megdnn::arm_common::resize_cv_exec(
             }
             MIDOUT_END();
         } else {
-            megdnn_throw(megdnn_mangle("Unsupported datatype of resize optr."));
+            megdnn_throw("Unsupported datatype of resize optr.");
         }
     }
 }

dnn/src/arm_common/warp_affine/warp_affine_cv.cpp

@@ -285,7 +285,7 @@ void megdnn::arm_common::warp_affine_cv_exec(
         DISPATCH_IMODE(imode, bmode, ch, cb)
 #undef cb
     } else {
-        megdnn_throw(megdnn_mangle("Unsupported datatype of WarpAffine optr."));
+        megdnn_throw("Unsupported datatype of WarpAffine optr.");
     }
 }
 

dnn/src/arm_common/warp_perspective/warp_perspective_cv.cpp

@@ -229,7 +229,7 @@ void megdnn::arm_common::warp_perspective_cv_exec(
         DISPATCH_IMODE(imode, bmode, ch, cb)
 #undef cb
     } else {
-        megdnn_throw(megdnn_mangle("Unsupported datatype of WarpAffine optr."));
+        megdnn_throw("Unsupported datatype of WarpAffine optr.");
     }
 }
 

dnn/src/cambricon/megcore/cambricon_computing_context.cpp

@@ -53,7 +53,7 @@ void CambriconComputingContext::memcpy(void* dst, const void* src,
             dir = CNRT_MEM_TRANS_DIR_DEV2DEV;
             break;
         default:
-            megdnn_throw(megdnn_mangle("bad cnrt mem trans dir"));
+            megdnn_throw("bad cnrt mem trans dir");
     }
     if (kind == megcoreMemcpyDeviceToDevice) {
         cnrt_check(cnrtSyncQueue(context_.queue));

dnn/src/common/algo_chooser.h

@@ -120,16 +120,15 @@ typename Opr::Algorithm* get_reproducible_algo(
 
     MEGDNN_MARK_USED_VAR(name);
     if (available_but_limited_by_workspace) {
-        megdnn_throw(megdnn_mangle(ssprintf(
+        megdnn_throw(ssprintf(
                 "no reproducible %s algorithm: %s workspace limit %zu is "
                 "less than mini workspace limit %zu",
                 name, args.to_string().c_str(), workspace_limit_in_bytes,
-                min_workspace_limit_in_bytes)));
+                min_workspace_limit_in_bytes));
     } else if (available_but_not_reproducible) {
-        megdnn_throw(
-                megdnn_mangle(ssprintf("no reproducible %s algorithm", name)));
+        megdnn_throw(ssprintf("no reproducible %s algorithm", name));
     } else {
-        megdnn_throw(megdnn_mangle(ssprintf("no usable %s algorithm", name)));
+        megdnn_throw(ssprintf("no usable %s algorithm", name));
     }
 }
 
@@ -154,13 +153,13 @@ typename Opr::Algorithm* get_usable_algo(
 
     MEGDNN_MARK_USED_VAR(name);
     if (available_but_limited_by_workspace) {
-        megdnn_throw(megdnn_mangle(ssprintf(
+        megdnn_throw(ssprintf(
                 "no usable %s algorithm: %s workspace limit %zu is "
                 "less than mini workspace limit %zu",
                 name, args.to_string().c_str(), workspace_limit_in_bytes,
-                min_workspace_limit_in_bytes)));
+                min_workspace_limit_in_bytes));
     } else {
-        megdnn_throw(megdnn_mangle(ssprintf("no usable %s algorithm", name)));
+        megdnn_throw(ssprintf("no usable %s algorithm", name));
     }
 }
 

dnn/src/common/basic_types.cpp

@@ -413,7 +413,7 @@ TensorLayout::Span TensorLayout::span() const {
 
 TensorLayout TensorLayout::broadcast(const TensorShape& tshape) const {
     megdnn_throw_if(!ndim || !tshape.ndim, tensor_reshape_error,
-                    megdnn_mangle("broadcast involves empty tensor"));
+                    "broadcast involves empty tensor");
 
     if (is_scalar()) {
         TensorLayout result{dtype, format};
@@ -426,10 +426,9 @@ TensorLayout TensorLayout::broadcast(const TensorShape& tshape) const {
     }
 
     megdnn_throw_if(tshape.ndim < ndim, tensor_reshape_error,
-                    megdnn_mangle(ssprintf(
-                            "dimension for broadcast less than "
+                    ssprintf("dimension for broadcast less than "
                              "dst_shape: src_shape=%s dst_shape=%s",
-                            to_string().c_str(), tshape.to_string().c_str())));
+                             to_string().c_str(), tshape.to_string().c_str()));
     TensorLayout result{dtype, format};
     for (size_t i = 0; i < tshape.ndim; ++i) {
         int target_idx = tshape.ndim - i - 1;
@@ -439,10 +438,9 @@ TensorLayout TensorLayout::broadcast(const TensorShape& tshape) const {
         if (tshape.shape[target_idx] != cur_shape) {
             megdnn_throw_if(
                     cur_shape != 1 && cur_stride != 0, tensor_reshape_error,
-                    megdnn_mangle(ssprintf(
-                            "broadcast on dim with shape not equal to 1: "
+                    ssprintf("broadcast on dim with shape not equal to 1: "
                              "src_shape=%s dst_shape=%s",
-                            to_string().c_str(), tshape.to_string().c_str())));
+                             to_string().c_str(), tshape.to_string().c_str()));
             result.shape[target_idx] = tshape.shape[target_idx];
             result.stride[target_idx] = 0;
         } else {
@@ -461,9 +459,9 @@ bool TensorLayout::try_reshape(TensorLayout& result,
     bool is_empty_shape = false;
     for (size_t i = 0; i < tshp.ndim; ++i) {
         if (!tshp.shape[i]) {
-            megdnn_throw_if(!format.is_default(), tensor_reshape_error,
-                            megdnn_mangle(ssprintf("bad target tshp: %s",
-                                                   tshp.to_string().c_str())));
+            megdnn_throw_if(
+                    !format.is_default(), tensor_reshape_error,
+                    ssprintf("bad target tshp: %s", tshp.to_string().c_str()));
             is_empty_shape = true;
             break;
         }
@@ -472,11 +470,10 @@ bool TensorLayout::try_reshape(TensorLayout& result,
     megdnn_throw_if(
             !tshp.ndim || total_nr_elems() != tshp.total_nr_elems(),
             tensor_reshape_error,
-            megdnn_mangle(ssprintf(
-                    "number of elements do not match "
+            ssprintf("number of elements do not match "
                      "in reshape: src=%s dest=%s",
                      static_cast<const TensorShape&>(*this).to_string().c_str(),
-                    tshp.to_string().c_str())));
+                     tshp.to_string().c_str()));
 
     auto cont = collapse_contiguous();
     result.dtype = this->dtype;
@@ -516,9 +513,8 @@ TensorLayout TensorLayout::reshape(const TensorShape& shape) const {
     TensorLayout ret;
     auto succ = try_reshape(ret, shape);
     megdnn_throw_if(!succ, tensor_reshape_error,
-                    megdnn_mangle(ssprintf("can not reshape from %s to %s",
-                                           to_string().c_str(),
-                                           shape.to_string().c_str())));
+                    ssprintf("can not reshape from %s to %s",
+                             to_string().c_str(), shape.to_string().c_str()));
     return ret;
 }
 

dnn/src/common/batched_matrix_mul.cpp

@@ -39,15 +39,15 @@ void BatchedMatrixMulForward::deduce_layout(const TensorLayout& A,
                                             TensorLayout& C) {
     auto errmsg = [&]() {
         std::string msg;
-        msg.append(megdnn_mangle("A="));
+        msg.append("A=");
         msg.append(A.to_string());
-        msg.append(megdnn_mangle(", B="));
+        msg.append(", B=");
         msg.append(B.to_string());
-        msg.append(megdnn_mangle(", C="));
+        msg.append(", C=");
         msg.append(C.to_string());
-        msg.append(megdnn_mangle(", transposeA="));
+        msg.append(", transposeA=");
         msg.append(std::to_string(m_param.transposeA));
-        msg.append(megdnn_mangle(", transposeB="));
+        msg.append(", transposeB=");
         msg.append(std::to_string(m_param.transposeB));
         return msg;
     };

dnn/src/common/concat_split.cpp

@@ -41,8 +41,8 @@ void ConcatSplitBase::check_layout_common(const TensorLayoutArray &srcs,
         megdnn_assert_eq_size_t(src.ndim, ndim);
 	}
 	// ensure param().axis is correct
-    auto errmsg = megdnn_mangle("param().axis=") +
-        std::to_string(param().axis) + megdnn_mangle(", ndim=") +
+    auto errmsg = "param().axis=" +
+        std::to_string(param().axis) + ", ndim=" +
         std::to_string(ndim);
     MEGDNN_MARK_USED_VAR(errmsg);
     megdnn_assert(param().axis < static_cast<int32_t>(ndim), "%s",

dnn/src/common/convolution.cpp

@@ -23,17 +23,17 @@ std::string get_errmsg(const TensorLayout& src, const TensorLayout& filter,
     MEGDNN_MARK_USED_VAR(filter);
     MEGDNN_MARK_USED_VAR(dst);
     return megdnn_layout_msg(src) + ", " + megdnn_layout_msg(filter) + ", " +
-           megdnn_layout_msg(dst) + ", " + megdnn_mangle("is_nchw=") +
+           megdnn_layout_msg(dst) + ", " + "is_nchw=" +
            std::to_string(param.format == param::Convolution::Format::NCHW) +
-           ", " + +megdnn_mangle("is_xcorr=") +
+           ", " + "is_xcorr=" +
            std::to_string(
                    (param.mode == Convolution::Mode::CROSS_CORRELATION)) +
-           ", " + megdnn_mangle("pad_h=") + std::to_string(param.pad_h) + ", " +
-           megdnn_mangle("pad_w=") + std::to_string(param.pad_w) + ", " +
-           megdnn_mangle("stride_h=") + std::to_string(param.stride_h) + ", " +
-           megdnn_mangle("stride_w=") + std::to_string(param.stride_w) + ", " +
-           megdnn_mangle("dilate_h=") + std::to_string(param.dilate_h) + ", " +
-           megdnn_mangle("dilate_w=") + std::to_string(param.dilate_w);
+           ", " + "pad_h=" + std::to_string(param.pad_h) + ", " +
+           "pad_w=" + std::to_string(param.pad_w) + ", " +
+           "stride_h=" + std::to_string(param.stride_h) + ", " +
+           "stride_w=" + std::to_string(param.stride_w) + ", " +
+           "dilate_h=" + std::to_string(param.dilate_h) + ", " +
+           "dilate_w=" + std::to_string(param.dilate_w);
 }
 
 template <typename Param, typename Param::Format>

dnn/src/common/convolution3d.cpp

@@ -22,20 +22,20 @@ std::string get_errmsg(const TensorLayout& src, const TensorLayout& filter,
     MEGDNN_MARK_USED_VAR(filter);
     MEGDNN_MARK_USED_VAR(dst);
     return megdnn_layout_msg(src) + ", " + megdnn_layout_msg(filter) + ", " +
-           megdnn_layout_msg(dst) + ", " + megdnn_mangle("is_ncdhw=") +
+           megdnn_layout_msg(dst) + ", " + "is_ncdhw=" +
            std::to_string(param.format == param::Convolution3D::Format::NCDHW) +
-           ", " + +megdnn_mangle("is_xcorr=") +
+           ", " + "is_xcorr=" +
            std::to_string(
                    (param.mode == Convolution3D::Mode::CROSS_CORRELATION)) +
-           ", " + megdnn_mangle("pad_d=") + std::to_string(param.pad_d) + ", " +
-           megdnn_mangle("pad_h=") + std::to_string(param.pad_h) + ", " +
-           megdnn_mangle("pad_w=") + std::to_string(param.pad_w) + ", " +
-           megdnn_mangle("stride_d=") + std::to_string(param.stride_d) + ", " +
-           megdnn_mangle("stride_h=") + std::to_string(param.stride_h) + ", " +
-           megdnn_mangle("stride_w=") + std::to_string(param.stride_w) + ", " +
-           megdnn_mangle("dilate_d=") + std::to_string(param.dilate_d) + ", " +
-           megdnn_mangle("dilate_h=") + std::to_string(param.dilate_h) + ", " +
-           megdnn_mangle("dilate_w=") + std::to_string(param.dilate_w);
+           ", " + "pad_d=" + std::to_string(param.pad_d) + ", " +
+           "pad_h=" + std::to_string(param.pad_h) + ", " +
+           "pad_w=" + std::to_string(param.pad_w) + ", " +
+           "stride_d=" + std::to_string(param.stride_d) + ", " +
+           "stride_h=" + std::to_string(param.stride_h) + ", " +
+           "stride_w=" + std::to_string(param.stride_w) + ", " +
+           "dilate_d=" + std::to_string(param.dilate_d) + ", " +
+           "dilate_h=" + std::to_string(param.dilate_h) + ", " +
+           "dilate_w=" + std::to_string(param.dilate_w);
 }
 }  // namespace
 
@@ -127,15 +127,15 @@ Convolution3DBase::CanonizedFilterMeta Convolution3DBase::deduce_layout_fwd(
     megdnn_assert(src.ndim >= 5_z, "%s", errmsg().c_str());
     megdnn_assert(src.dtype == filter.dtype, "%s", errmsg().c_str());
     if (param().data_type == Param::DataType::FLOAT) {
-        megdnn_assert(src.dtype == dtype::Float32() MEGDNN_INC_FLOAT16(
+        megdnn_assert(src.dtype == dtype::Float32() DNN_INC_FLOAT16(
                                            || src.dtype == dtype::Float16()),
                       "invalid src dtype for conv: %s", src.dtype.name());
         dst.dtype = src.dtype;
     } else {
         megdnn_assert(param().data_type == Param::DataType::FLOAT_IO16xC32);
-        MEGDNN_INC_FLOAT16(megdnn_assert(src.dtype == dtype::Float16(),
+        DNN_INC_FLOAT16(megdnn_assert(src.dtype == dtype::Float16(),
                       "invalid src dtype for conv: %s", src.dtype.name()));
-        MEGDNN_INC_FLOAT16(dst.dtype = dtype::Float16());
+        DNN_INC_FLOAT16(dst.dtype = dtype::Float16());
     }
     auto img_dim = src.ndim - 2;
     megdnn_assert(img_dim == 3, "this is the convolution for 3D image");

dnn/src/common/cv/helper.h

@@ -79,7 +79,7 @@
 
 #define MegCVException(expr) \
     do {                     \
-        megdnn_throw(megdnn_mangle(#expr)); \
+        megdnn_throw(#expr); \
     } while (0)
 
 namespace megdnn {

dnn/src/common/deformable_conv.cpp

@@ -27,16 +27,15 @@ std::string get_errmsg(const TensorLayout& src, const TensorLayout& filter,
     MEGDNN_MARK_USED_VAR(dst);
     return megdnn_layout_msg(src) + ", " + megdnn_layout_msg(filter) + ", " +
            megdnn_layout_msg(offset) + ", " + megdnn_layout_msg(mask) + ", " +
-           megdnn_layout_msg(dst) + ", " + megdnn_mangle("only support nchw") +
-           ", " + megdnn_mangle("group=") + std::to_string(param.group) + ", " +
-           megdnn_mangle("deformable_group=") +
-           std::to_string(param.deformable_group) + ", " +
-           megdnn_mangle("pad_h=") + std::to_string(param.pad_h) + ", " +
-           megdnn_mangle("pad_w=") + std::to_string(param.pad_w) + ", " +
-           megdnn_mangle("stride_h=") + std::to_string(param.stride_h) + ", " +
-           megdnn_mangle("stride_w=") + std::to_string(param.stride_w) + ", " +
-           megdnn_mangle("dilate_h=") + std::to_string(param.dilate_h) + ", " +
-           megdnn_mangle("dilate_w=") + std::to_string(param.dilate_w);
+           megdnn_layout_msg(dst) + ", " + "only support nchw" + ", " +
+           "group=" + std::to_string(param.group) + ", " +
+           "deformable_group=" + std::to_string(param.deformable_group) + ", " +
+           "pad_h=" + std::to_string(param.pad_h) + ", " +
+           "pad_w=" + std::to_string(param.pad_w) + ", " +
+           "stride_h=" + std::to_string(param.stride_h) + ", " +
+           "stride_w=" + std::to_string(param.stride_w) + ", " +
+           "dilate_h=" + std::to_string(param.dilate_h) + ", " +
+           "dilate_w=" + std::to_string(param.dilate_w);
 }
 
 template <typename Param>

dnn/src/common/dtype.cpp

@@ -42,15 +42,13 @@ MEGDNN_FOREACH_PARAMETERIZED_DTYPE(TEMPLATED_IMPL)
 #undef IMPL
 
 void DType::on_assert_is_failed(const char *rname) const {
-    megdnn_throw(megdnn_mangle(
-                ssprintf("attempt to access dtype %s as %s",
-                name(), rname).c_str()));
+    megdnn_throw(ssprintf("attempt to access dtype %s as %s", name(), rname)
+                         .c_str());
     MEGDNN_MARK_USED_VAR(rname);
 }
 
 void DType::on_request_lowbit_size() const {
-    megdnn_throw(megdnn_mangle(
-                ssprintf("attempt to get size of lowbit dtype %s", name())));
+    megdnn_throw(ssprintf("attempt to get size of lowbit dtype %s", name()));
 }
 
 DType DType::from_enum(DTypeEnum ev) {
@@ -60,11 +58,11 @@ DType DType::from_enum(DTypeEnum ev) {
 #undef cb
 #define cb(_dt) case DTypeEnum::_dt:
         MEGDNN_FOREACH_PARAMETERIZED_DTYPE(cb)
-            megdnn_throw(megdnn_mangle(
-                "cannot construct parameterized DType via DType::from_enum"));
+        megdnn_throw(
+                "cannot construct parameterized DType via DType::from_enum");
 #undef cb
     }
-    megdnn_throw(megdnn_mangle("bad DTypeEnum value"));
+    megdnn_throw("bad DTypeEnum value");
 }
 
 template <DTypeEnum type_enum>

dnn/src/common/elemwise/kern_defs.cuh

@@ -87,8 +87,8 @@ namespace megdnn {
 //! define kernel for all float types
 #define DEF_KERN_FLOAT(_mode, _imp) \
     DEF_KERN(dt_float32, _mode, _imp); \
-    MEGDNN_INC_FLOAT16(DEF_KERN(dt_float16, _mode, _imp);) \
-    MEGDNN_INC_FLOAT16(DEF_KERN(dt_bfloat16, _mode, _imp);)
+    DNN_INC_FLOAT16(DEF_KERN(dt_float16, _mode, _imp);) \
+    DNN_INC_FLOAT16(DEF_KERN(dt_bfloat16, _mode, _imp);)
 
 //! define kernel for all int types
 #define DEF_KERN_INT(_mode, _imp) \

dnn/src/common/elemwise/opr_impl.cpp

@@ -85,7 +85,7 @@ const ModeTrait& ModeTrait::from_mode(Mode mode) {
     MIDOUT_BEGIN(megdnn_common_elemwise, midout_iv(Mode::_m)) { \
         auto&& t = get(Mode::_m);                               \
         t.arity = _a;                                           \
-        t.name = megdnn_mangle(#_m);                            \
+        t.name = (#_m);                                         \
     }                                                           \
     MIDOUT_END();
 #define _a 1
@@ -111,7 +111,7 @@ const ModeTrait& ModeTrait::from_mode(Mode mode) {
         t.allow_float = true;                                   \
         t.allow_bool = true;                                    \
         t.arity = _arity;                                       \
-        t.name = megdnn_mangle(#_m);                            \
+        t.name = (#_m);                                         \
     }                                                           \
     MIDOUT_END();
         FUSE(FUSE_MUL_ADD3, 3);
@@ -159,14 +159,13 @@ const ModeTrait& ModeTrait::from_mode(Mode mode) {
 void ElemwiseForward::deduce_shape(const TensorShapeArray& src,
                                    TensorShape& dst) {
     auto err = [&]() {
-        std::string msg(
-                megdnn_mangle("bad input shape for polyadic operator: "));
+        std::string msg("bad input shape for polyadic operator: ");
         bool first = true;
         for (auto&& i : src) {
             if (first)
                 first = false;
             else
-                msg.append(megdnn_mangle(", "));
+                msg.append(", ");
             msg.append(i.to_string());
         }
         megdnn_throw(msg);

dnn/src/common/elemwise_multi_type/opr_impl.cpp

@@ -158,7 +158,7 @@ const ModeTrait& ModeTrait::from_mode(Mode mode) {
 
 #define SET(f, m)                                                         \
     MIDOUT_BEGIN(megdnn_common_elemwise_multi_type, midout_iv(Mode::m)) { \
-        f(traits[static_cast<int>(Mode::m)], megdnn_mangle(#m));          \
+        f(traits[static_cast<int>(Mode::m)], (#m));                       \
     }                                                                     \
     MIDOUT_END();
         SET(init_fma3_int16x32x32x32, FUSE_MUL_ADD3_INT16x32x32x32);

dnn/src/common/group_local.cpp

@@ -19,13 +19,12 @@ void GroupLocalBase::deduce_layout_fwd(const TensorLayout &src,
         TensorLayout &dst)
 {
     auto errmsg = [&]() {
-        return megdnn_layout_msg(src) + ", "
-            + megdnn_layout_msg(filter) + ", "
-            + megdnn_layout_msg(dst) + ", "
-            + megdnn_mangle("pad_h=") + std::to_string(param().pad_h) + ", "
-            + megdnn_mangle("pad_w=") + std::to_string(param().pad_w) + ", "
-            + megdnn_mangle("stride_h=") + std::to_string(param().stride_h) + ", "
-            + megdnn_mangle("stride_w=") + std::to_string(param().stride_w);
+        return megdnn_layout_msg(src) + ", " + megdnn_layout_msg(filter) +
+               ", " + megdnn_layout_msg(dst) + ", " +
+               "pad_h=" + std::to_string(param().pad_h) + ", " +
+               "pad_w=" + std::to_string(param().pad_w) + ", " +
+               "stride_h=" + std::to_string(param().stride_h) + ", " +
+               "stride_w=" + std::to_string(param().stride_w);
     };
     MEGDNN_MARK_USED_VAR(errmsg);
     megdnn_assert_contiguous(src);
@@ -66,7 +65,7 @@ void GroupLocalBase::check_layout_fwd(const TensorLayout &src,
     megdnn_assert_eq_dtype(src, dst);
     deduce_layout_fwd(src, filter, dst_expected);
     megdnn_assert_eq_layout(dst_expected, dst);
-    megdnn_assert(src.dtype == dtype::Float32() || MEGDNN_FLOAT16_SELECT(src.dtype == dtype::Float16(), true));
+    megdnn_assert(src.dtype == dtype::Float32() || DNN_FLOAT16_SELECT(src.dtype == dtype::Float16(), true));
 }
 
 void GroupLocalForward::check_exec(const TensorLayout &src,

dnn/src/common/handle.cpp

@@ -87,7 +87,7 @@ std::unique_ptr<Handle> Handle::make(megcoreComputingHandle_t computing_handle,
             } else if (debug_level == 2) {
                 return make_unique<naive::HandleImpl>(computing_handle);
             } else {
-                megdnn_throw(megdnn_mangle("Debug level must be 0/1/2."));
+                megdnn_throw("Debug level must be 0/1/2.");
             }
         }
         MIDOUT_END();
@@ -116,7 +116,8 @@ std::unique_ptr<Handle> Handle::make(megcoreComputingHandle_t computing_handle,
         }
         else {
             // CUDA
-            megdnn_assert_internal(platform == megcorePlatformCUDA);
+            megdnn_throw_if(platform != megcorePlatformCUDA, megdnn_error,
+                            "platform should be CUDA Platform");
 #if MEGDNN_WITH_CUDA
             return make_unique<cuda::HandleImpl>(computing_handle);
 #else
@@ -216,7 +217,7 @@ std::unique_ptr<Handle> Handle::make(megcoreComputingHandle_t computing_handle,
             CASE(CAMBRICON, cambricon);
 #endif
             default:
-                megdnn_throw(megdnn_mangle("bad handle type"));
+                megdnn_throw("bad handle type");
         }
 #undef CASE
     }

dnn/src/common/images2neibs.cpp

@@ -19,16 +19,12 @@ void Images2NeibsBase::deduce_layout_fwd(const TensorLayout &src,
 {
     auto errmsg = [&]() {
         return megdnn_layout_msg(src) + ", " +
-            megdnn_mangle("pad_h=") + std::to_string(param().pad_h) + ", " +
-            megdnn_mangle("pad_w=") + std::to_string(param().pad_w) + ", " +
-            megdnn_mangle("stride_h=") +
-            std::to_string(param().stride_h) + ", " +
-            megdnn_mangle("stride_w=") +
-            std::to_string(param().stride_w) + ", " +
-            megdnn_mangle("window_h=") +
-            std::to_string(param().window_h) + ", " +
-            megdnn_mangle("window_w=") +
-            std::to_string(param().window_w);
+               "pad_h=" + std::to_string(param().pad_h) + ", " +
+               "pad_w=" + std::to_string(param().pad_w) + ", " +
+               "stride_h=" + std::to_string(param().stride_h) + ", " +
+               "stride_w=" + std::to_string(param().stride_w) + ", " +
+               "window_h=" + std::to_string(param().window_h) + ", " +
+               "window_w=" + std::to_string(param().window_w);
     };
     MEGDNN_MARK_USED_VAR(errmsg);
     megdnn_assert_contiguous(src);

dnn/src/common/indexing_one_hot.cpp

@@ -32,10 +32,11 @@ void IndexingOneHotBase::check_layout_fwd(
         const TensorLayout &src, const TensorLayout &index,
         const TensorLayout &dst) {
     auto errmsg = [&]() -> std::string {
-        return megdnn_mangle(ssprintf("bad layout for IndexingOneHot: "
+        return ssprintf(
+                "bad layout for IndexingOneHot: "
                 "src=%s index=%s dst=%s axis=%d",
                 src.to_string().c_str(), index.to_string().c_str(),
-                    dst.to_string().c_str(), m_param.axis));
+                dst.to_string().c_str(), m_param.axis);
     };
     MEGDNN_MARK_USED_VAR(errmsg);
     megdnn_assert_eq_dtype(src, dst);

dnn/src/common/local/opr_impl.cpp

@@ -17,15 +17,13 @@ namespace megdnn {
 void LocalBase::deduce_layout_fwd(const TensorLayout &src,
         const TensorLayout &filter, TensorLayout &dst)
 {
-    auto errmsg = megdnn_layout_msg(src) + ", "
-        + megdnn_layout_msg(filter) + ", "
-        + megdnn_layout_msg(dst) + ", "
-        + megdnn_mangle("is_xcorr=")
-        + std::to_string((param().mode == Mode::CROSS_CORRELATION)) + ", "
-        + megdnn_mangle("pad_h=") + std::to_string(param().pad_h) + ", "
-        + megdnn_mangle("pad_w=") + std::to_string(param().pad_w) + ", "
-        + megdnn_mangle("stride_h=") + std::to_string(param().stride_h) + ", "
-        + megdnn_mangle("stride_w=") + std::to_string(param().stride_w) ;
+    auto errmsg = megdnn_layout_msg(src) + ", " + megdnn_layout_msg(filter) +
+                  ", " + megdnn_layout_msg(dst) + ", " + "is_xcorr=" +
+                  std::to_string((param().mode == Mode::CROSS_CORRELATION)) +
+                  ", " + "pad_h=" + std::to_string(param().pad_h) + ", " +
+                  "pad_w=" + std::to_string(param().pad_w) + ", " +
+                  "stride_h=" + std::to_string(param().stride_h) + ", " +
+                  "stride_w=" + std::to_string(param().stride_w);
     auto errmsg_c = errmsg.c_str();
     MEGDNN_MARK_USED_VAR(errmsg_c);
 
@@ -77,7 +75,7 @@ void LocalBase::check_layout_fwd(const TensorLayout &src,
 
     megdnn_assert(src.dtype == filter.dtype && src.dtype == dst.dtype);
     megdnn_assert(src.dtype == dtype::Float32() ||
-                  MEGDNN_FLOAT16_SELECT(src.dtype == dtype::Float16(), true));
+                  DNN_FLOAT16_SELECT(src.dtype == dtype::Float16(), true));
 }
 
 void LocalForward::deduce_layout(const TensorLayout &src,

dnn/src/common/local_share/opr_impl.cpp

@@ -19,20 +19,17 @@ void LocalShareBase::deduce_layout_fwd(const TensorLayout& src,
     using Mode = LocalShare::Param::Mode;
     auto errmsg =
             megdnn_layout_msg(src) + ", " + megdnn_layout_msg(filter) + ", " +
-            megdnn_layout_msg(dst) + ", " + megdnn_mangle("is_xcorr=") +
+            megdnn_layout_msg(dst) + ", " + "is_xcorr=" +
             std::to_string((param().mode == Mode::CROSS_CORRELATION)) + ", " +
-            megdnn_mangle("pad_h=") + std::to_string(param().pad_h) + ", " +
-            megdnn_mangle("pad_w=") + std::to_string(param().pad_w) + ", " +
-            megdnn_mangle("stride_h=") + std::to_string(param().stride_h) +
-            ", " + megdnn_mangle("stride_w=") +
-            std::to_string(param().stride_w) + ", " +
-            megdnn_mangle("dilate_h=") + std::to_string(param().dilate_h) +
-            ", " + megdnn_mangle("dilate_w=") +
-            std::to_string(param().dilate_w) + ", " +
-            megdnn_mangle("spatial_groups_h=") +
-            std::to_string(param().spatial_groups_h) + ", " +
-            megdnn_mangle("spatial_groups_w=") +
-            std::to_string(param().spatial_groups_w);
+            "pad_h=" + std::to_string(param().pad_h) + ", " +
+            "pad_w=" + std::to_string(param().pad_w) + ", " +
+            "stride_h=" + std::to_string(param().stride_h) + ", " +
+            "stride_w=" + std::to_string(param().stride_w) + ", " +
+            "dilate_h=" + std::to_string(param().dilate_h) + ", " +
+            "dilate_w=" + std::to_string(param().dilate_w) + ", " +
+            "spatial_groups_h=" + std::to_string(param().spatial_groups_h) +
+            ", " +
+            "spatial_groups_w=" + std::to_string(param().spatial_groups_w);
     auto errmsg_c = errmsg.c_str();
     MEGDNN_MARK_USED_VAR(errmsg_c);
 
@@ -118,20 +115,17 @@ void LocalShareBackwardData::deduce_layout(const TensorLayout& filter,
     using Mode = LocalShare::Param::Mode;
     auto errmsg =
             megdnn_layout_msg(filter) + ", " + megdnn_layout_msg(diff) + ", " +
-            megdnn_layout_msg(grad) + ", " + megdnn_mangle("is_xcorr=") +
+            megdnn_layout_msg(grad) + ", " + "is_xcorr=" +
             std::to_string((param().mode == Mode::CROSS_CORRELATION)) + ", " +
-            megdnn_mangle("pad_h=") + std::to_string(param().pad_h) + ", " +
-            megdnn_mangle("pad_w=") + std::to_string(param().pad_w) + ", " +
-            megdnn_mangle("stride_h=") + std::to_string(param().stride_h) +
-            ", " + megdnn_mangle("stride_w=") +
-            std::to_string(param().stride_w) + ", " +
-            megdnn_mangle("dilate_h=") + std::to_string(param().dilate_h) +
-            ", " + megdnn_mangle("dilate_w=") +
-            std::to_string(param().dilate_w) + ", " +
-            megdnn_mangle("spatial_groups_h=") +
-            std::to_string(param().spatial_groups_h) + ", " +
-            megdnn_mangle("spatial_groups_w=") +
-            std::to_string(param().spatial_groups_w);
+            "pad_h=" + std::to_string(param().pad_h) + ", " +
+            "pad_w=" + std::to_string(param().pad_w) + ", " +
+            "stride_h=" + std::to_string(param().stride_h) + ", " +
+            "stride_w=" + std::to_string(param().stride_w) + ", " +
+            "dilate_h=" + std::to_string(param().dilate_h) + ", " +
+            "dilate_w=" + std::to_string(param().dilate_w) + ", " +
+            "spatial_groups_h=" + std::to_string(param().spatial_groups_h) +
+            ", " +
+            "spatial_groups_w=" + std::to_string(param().spatial_groups_w);
     auto errmsg_c = errmsg.c_str();
     MEGDNN_MARK_USED_VAR(errmsg_c);
 

dnn/src/common/matrix_inverse.cpp

@@ -34,8 +34,7 @@ void MatrixInverse::canonize_params(const TensorLayout& layout, size_t* batch,
                           layout[layout.ndim - 2] == layout[layout.ndim - 1],
                   "invalid MatrixInverse layout: %s",
                   layout.to_string().c_str());
-    megdnn_assert(
-            MEGDNN_FLOAT16_SELECT(layout.dtype == dtype::Float16(), false) ||
+    megdnn_assert(DNN_FLOAT16_SELECT(layout.dtype == dtype::Float16(), false) ||
                           layout.dtype == dtype::Float32(),
                   "MatrixInverse only supports f16 & f32");
     if (batch) {

dnn/src/common/matrix_mul.cpp

@@ -100,15 +100,15 @@ void MatrixMulForward::check_exec(const TensorLayout& A, const TensorLayout& B,
                                   size_t workspace_in_bytes) {
     auto errmsg = [&]() {
         std::string msg;
-        msg.append(megdnn_mangle("A="));
+        msg.append("A=");
         msg.append(A.to_string());
-        msg.append(megdnn_mangle(", B="));
+        msg.append(", B=");
         msg.append(B.to_string());
-        msg.append(megdnn_mangle(", C="));
+        msg.append(", C=");
         msg.append(C.to_string());
-        msg.append(megdnn_mangle(", transposeA="));
+        msg.append(", transposeA=");
         msg.append(std::to_string(param().transposeA));
-        msg.append(megdnn_mangle(", transposeB="));
+        msg.append(", transposeB=");
         msg.append(std::to_string(param().transposeB));
         return msg;
     };
@@ -175,7 +175,7 @@ void MatrixMulForward::check_exec(const TensorLayout& A, const TensorLayout& B,
         megdnn_assert(C.dtype.enumv() == DTypeEnum::QuantizedS16);
     }
     megdnn_assert(param().compute_mode !=
-                          Param::ComputeMode::FLOAT32 MEGDNN_INC_FLOAT16(
+                          Param::ComputeMode::FLOAT32 DNN_INC_FLOAT16(
                                   || A.dtype == dtype::Float16() ||
                                   A.dtype == dtype::BFloat16()),
                   "ComputeMode::FLOAT32 is only available for Float16/BFloat16 "
@@ -195,7 +195,7 @@ size_t MatrixMulForward::pack_size(const Param::Format format) {
         case Param::Format::MK8:
             return 8;
         default:
-            megdnn_throw(megdnn_mangle("Unknown matmul format."));
+            megdnn_throw("Unknown matmul format.");
     }
 }
 

dnn/src/common/megcore/cpu/api.cpp

@@ -40,7 +40,8 @@ CPUDispatcher* megcoreGetCPUDispatcher(megcoreComputingHandle_t handle) {
     megcoreDeviceHandle_t dev_handle = H->content->dev_handle();
     megcorePlatform_t platform;
     megcoreGetPlatform(dev_handle, &platform);
-    megdnn_assert(platform &megcorePlatformCPU);
+    megdnn_throw_if(!(platform & megcorePlatformCPU), megdnn_error,
+                    "can not be default ComputingContext");
     auto context = static_cast<megcore::cpu::DefaultComputingContext*>(
             H->content.get());
     return context->get_dispatcher();

dnn/src/common/megcore/cpu/default_computing_context.cpp

@@ -41,7 +41,8 @@ DefaultComputingContext::DefaultComputingContext(
 {
     megcorePlatform_t platform;
     megcoreGetPlatform(dev_handle, &platform);
-    megdnn_assert(platform & megcorePlatformCPU);
+    megdnn_throw_if(!(platform & megcorePlatformCPU), megdnn_error,
+                    "can not be default ComputingContext");
 }
 
 DefaultComputingContext::~DefaultComputingContext() noexcept = default;

dnn/src/common/megcore/public_api/misc.cpp

@@ -13,7 +13,7 @@
 
 const char *megcoreGetErrorName(megcoreStatus_t status)
 {
-#define CASE(x) case x: return megdnn_mangle(#x)
+#define CASE(x) case x: return (#x)
     switch (status) {
         CASE(megcoreSuccess);
         CASE(megcoreErrorMemoryAllocation);
@@ -22,7 +22,7 @@ const char *megcoreGetErrorName(megcoreStatus_t status)
         CASE(megcoreErrorInternalError);
         CASE(megcoreErrorInvalidComputingHandle);
         default:
-            return megdnn_mangle("<Unknown MegCore Error>");
+            return "<Unknown MegCore Error>";
     }
 #undef CASE
 }

dnn/src/common/pooling.cpp

@@ -19,18 +19,15 @@ void PoolingBase::deduce_layout_fwd(const TensorLayout& src,
                                     TensorLayout& dst) {
     auto errmsg =
             megdnn_layout_msg(src) + ", " + megdnn_layout_msg(dst) + ", " +
-            megdnn_mangle("pad_h=") + std::to_string(param().pad_h) + ", " +
-            megdnn_mangle("pad_w=") + std::to_string(param().pad_w) + ", " +
-            megdnn_mangle("stride_h=") + std::to_string(param().stride_h) +
-            ", " + megdnn_mangle("stride_w=") +
-            std::to_string(param().stride_w) + ", " +
-            megdnn_mangle("window_h=") + std::to_string(param().window_h) +
-            ", " + megdnn_mangle("window_w=") +
-            std::to_string(param().window_w) + ", " + megdnn_mangle("is_max=") +
-            std::to_string(param().mode == Mode::MAX) + ", " +
-            megdnn_mangle("is_nhwc=") +
-            std::to_string(param().format == Param::Format::NHWC) + ", " +
-            megdnn_mangle("is_nhwcd4=") +
+            "pad_h=" + std::to_string(param().pad_h) + ", " +
+            "pad_w=" + std::to_string(param().pad_w) + ", " +
+            "stride_h=" + std::to_string(param().stride_h) + ", " +
+            "stride_w=" + std::to_string(param().stride_w) + ", " +
+            "window_h=" + std::to_string(param().window_h) + ", " +
+            "window_w=" + std::to_string(param().window_w) + ", " +
+            "is_max=" + std::to_string(param().mode == Mode::MAX) + ", " +
+            "is_nhwc=" + std::to_string(param().format == Param::Format::NHWC) +
+            ", " + "is_nhwcd4=" +
             std::to_string(param().format == Param::Format::NHWCD4);
     auto errmsg_c = errmsg.c_str();
 

dnn/src/common/relayout_format.cpp

@@ -361,11 +361,18 @@ void RelayoutFormat::deduce_format(TensorFormat src, TensorFormat& dst) {
     if (!dst.is_default() &&
         (
                 handle()->type() != Handle::HandleType::NAIVE)) {
+#if MEGDNN_ENABLE_MANGLING
+        megdnn_throw(
+                "Only naive and opencl handle support "
+                "Image2DPack4TensorFormat, try build with debug for get more "
+                "info");
+#else
         megdnn_throw(
                 "Only naive and opencl handle support "
                 "Image2DPack4TensorFormat, try to export MGB_USE_MEGDNN_DBG=2 "
                 "and also export CUDA_VISIBLE_DEVICES=\'\' at CUDA env"
                 "to enable naive handle");
+#endif
     }
 #undef CHECK_SRC
 }

dnn/src/common/remap.cpp

@@ -69,8 +69,8 @@ void RemapBase::check_layout_fwd(const TensorLayout& src,
                       "%s", errmsg().c_str());
     } else {
         megdnn_throw(
-                "megdnn currently do not support other param.format except "
-                "NHWC and NCHW");
+                "currently do not support other param.format except NHWC and "
+                "NCHW");
     }
 }
 
@@ -91,7 +91,7 @@ void RemapBackwardData::check_exec(const TensorLayout& map_xy,
                                    const TensorLayout& grad,
                                    size_t workspace_in_bytes) {
     check_layout_fwd(grad, map_xy, diff);
-    megdnn_assert(grad.dtype == dtype::Float32() MEGDNN_INC_FLOAT16(
+    megdnn_assert(grad.dtype == dtype::Float32() DNN_INC_FLOAT16(
                                        || grad.dtype == dtype::BFloat16()),
                   "Backward Remap only supports Float32/BFloat16.");
     auto required_workspace_in_bytes =
@@ -106,7 +106,7 @@ void RemapBackwardMat::check_exec(const TensorLayout& src,
                                   size_t workspace_in_bytes) {
     check_layout_fwd(src, map_xy, diff);
     megdnn_assert_eq_layout(map_xy, grad);
-    megdnn_assert(grad.dtype == dtype::Float32() MEGDNN_INC_FLOAT16(
+    megdnn_assert(grad.dtype == dtype::Float32() DNN_INC_FLOAT16(
                                        || grad.dtype == dtype::BFloat16()),
                   "Backward Remap only supports Float32/BFloat16.");
     auto required_workspace_in_bytes =

dnn/src/common/separableConv.cpp

@@ -20,17 +20,15 @@ void SeparableConvBase::deduce_layout_fwd(const TensorLayout &src,
         TensorLayout &dst)
 {
     auto errmsg = [&]() {
-        return megdnn_layout_msg(src) + ", "
-            + megdnn_layout_msg(filter_x) + ", "
-            + megdnn_layout_msg(dst) + ", "
-            + megdnn_mangle("is_xcorr=")
-            + megdnn_mangle("borderMode=")
-            + std::to_string((param().mode == Mode::CROSS_CORRELATION)) + ", "
-            + std::to_string((int)(param().borderMode)) + ", "
-            + megdnn_mangle("pad_h=") + std::to_string(param().pad_h) + ", "
-            + megdnn_mangle("pad_w=") + std::to_string(param().pad_w) + ", "
-            + megdnn_mangle("stride_h=") + std::to_string(param().stride_h) + ", "
-            + megdnn_mangle("stride_w=") + std::to_string(param().stride_w);
+        return megdnn_layout_msg(src) + ", " + megdnn_layout_msg(filter_x) +
+               ", " + megdnn_layout_msg(dst) + ", " +
+               "is_xcorr=" + "borderMode=" +
+               std::to_string((param().mode == Mode::CROSS_CORRELATION)) +
+               ", " + std::to_string((int)(param().borderMode)) + ", " +
+               "pad_h=" + std::to_string(param().pad_h) + ", " +
+               "pad_w=" + std::to_string(param().pad_w) + ", " +
+               "stride_h=" + std::to_string(param().stride_h) + ", " +
+               "stride_w=" + std::to_string(param().stride_w);
     };
     MEGDNN_MARK_USED_VAR(errmsg);
     megdnn_assert_contiguous(src);

dnn/src/common/separableFilter.cpp

@@ -21,14 +21,11 @@ void SeparableFilterBase::deduce_layout_fwd(const TensorLayout& src,
     auto errmsg = [&]() {
         return megdnn_layout_msg(src) + ", " + megdnn_layout_msg(filter_x) +
                ", " + megdnn_layout_msg(dst) + ", " +
-               megdnn_mangle("borderMode=") +
-               std::to_string((int)(param().borderMode)) + ", " +
-               megdnn_mangle("ksize_h=") + std::to_string(param().ksize_h) +
-               ", " + megdnn_mangle("ksize_w=") +
-               std::to_string(param().ksize_w) + ", " +
-               megdnn_mangle("anchor_h=") + std::to_string(param().anchor_h) +
-               ", " + megdnn_mangle("anchor_w=") +
-               std::to_string(param().anchor_w);
+               "borderMode=" + std::to_string((int)(param().borderMode)) +
+               ", " + "ksize_h=" + std::to_string(param().ksize_h) + ", " +
+               "ksize_w=" + std::to_string(param().ksize_w) + ", " +
+               "anchor_h=" + std::to_string(param().anchor_h) + ", " +
+               "anchor_w=" + std::to_string(param().anchor_w);
     };
     MEGDNN_MARK_USED_VAR(errmsg);
     megdnn_assert_contiguous(src);

dnn/src/common/utils.cpp

@@ -81,21 +81,21 @@ bool megdnn::get_next_addr(size_t* idx, const size_t* shp, size_t n,
                            size_t stride) {
     auto errmsg = [&]() {
         std::string res;
-        res.append(megdnn_mangle("idx={"));
+        res.append("idx={");
         for (size_t i = 0; i < n; ++i) {
             res.append(std::to_string(idx[i]));
             if (i + 1 < n)
-                res.append(megdnn_mangle(","));
+                res.append(",");
         }
-        res.append(megdnn_mangle("}, shp={"));
+        res.append("}, shp={");
         for (size_t i = 0; i < n; ++i) {
             res.append(std::to_string(shp[i]));
             if (i + 1 < n)
-                res.append(megdnn_mangle(","));
+                res.append(",");
         }
-        res.append(megdnn_mangle("}, n="));
+        res.append("}, n=");
         res.append(std::to_string(n));
-        res.append(megdnn_mangle(", stride="));
+        res.append(", stride=");
         res.append(std::to_string(stride));
         return res;
     };

dnn/src/common/utils.cuh

@@ -16,37 +16,49 @@
 #define MEGDNN_COMMA ,
 #define MEGDNN_MARK_USED_VAR(v) static_cast<void>(v)
 
-#if MEGDNN_ENABLE_MANGLING
-#define megdnn_mangle(x) ("")
+#if MEGDNN_ENABLE_LOGGING
+#define megdnn_message_strip(x) (x)
 #else
-#define megdnn_mangle(x) (x)
-#endif // MEGDNN_ENABLE_MANGLING
+#define megdnn_message_strip(x) ("")
+#endif  // MEGDNN_ENABLE_LOGGING
 
-#define megdnn_throw(msg) ::megdnn::ErrorHandler::on_megdnn_error( \
-        megdnn_mangle(msg))
-#define megdnn_throw_if(cond, err_type, msg) do { \
+#define megdnn_throw(msg) \
+    ::megdnn::ErrorHandler::on_megdnn_error(megdnn_message_strip(msg))
+#define megdnn_throw_if(cond, err_type, msg)                                  \
+    do {                                                                      \
         if (megdnn_unlikely(cond)) {                                          \
-        ::megdnn::ErrorHandler::on_##err_type(megdnn_mangle(msg)); \
+            ::megdnn::ErrorHandler::on_##err_type(megdnn_message_strip(msg)); \
         }                                                                     \
-} while(0)
+    } while (0)
 
 //! megdnn_assert
+#if MEGDNN_ENABLE_LOGGING
 #if MEGDNN_ENABLE_MANGLING
 #define megdnn_assert(expr, ...)                                              \
     do {                                                                      \
         if (megdnn_unlikely(!(expr))) {                                       \
-            ::megdnn::__assert_fail__(NULL, 0, NULL, NULL, NULL); \
+            ::megdnn::__assert_fail__(                                        \
+                    "about location info, please build with debug", __LINE__, \
+                    NULL, #expr, ##__VA_ARGS__);                              \
         }                                                                     \
     } while (0)
 #else
 #define megdnn_assert(expr, ...)                                               \
     do {                                                                       \
         if (megdnn_unlikely(!(expr))) {                                        \
-            ::megdnn::__assert_fail__(__FILE__, __LINE__, \
-                    __PRETTY_FUNCTION__, # expr, ## __VA_ARGS__); \
+            ::megdnn::__assert_fail__(__FILE__, __LINE__, __PRETTY_FUNCTION__, \
+                                      #expr, ##__VA_ARGS__);                   \
         }                                                                      \
     } while (0)
 #endif  // MEGDNN_ENABLE_MANGLING
+#else
+#define megdnn_assert(expr, ...)                                  \
+    do {                                                          \
+        if (megdnn_unlikely(!(expr))) {                           \
+            ::megdnn::__assert_fail__(NULL, 0, NULL, NULL, NULL); \
+        }                                                         \
+    } while (0)
+#endif  // MEGDNN_ENABLE_LOGGING
 
 #define megdnn_assert_internal(expr)                        \
     do {                                                    \

dnn/src/common/utils.h

@@ -116,7 +116,7 @@
     } while (0)
 
 #define megdnn_layout_msg(layout) \
-    std::string(megdnn_mangle(#layout "=" + (layout).to_string()))
+    std::string(#layout "=" + (layout).to_string())
 
 #define MEGDNN_LOCK_GUARD(var) \
     std::lock_guard<std::remove_cv_t<decltype(var)>> _lock_guard_##var { var }
@@ -124,6 +124,16 @@
 namespace megdnn {
 
 /* ================ logging ================  */
+#if MEGDNN_ENABLE_MANGLING
+#define megdnn_log_debug(fmt...) \
+    _megdnn_do_log(::megdnn::LogLevel::DEBUG, "", "", __LINE__, fmt)
+#define megdnn_log(fmt...) \
+    _megdnn_do_log(::megdnn::LogLevel::INFO, "", "", __LINE__, fmt)
+#define megdnn_log_warn(fmt...) \
+    _megdnn_do_log(::megdnn::LogLevel::WARN, "", "", __LINE__, fmt)
+#define megdnn_log_error(fmt...) \
+    _megdnn_do_log(::megdnn::LogLevel::ERROR, "", "", __LINE__, fmt)
+#else
 #define megdnn_log_debug(fmt...) \
     _megdnn_do_log(::megdnn::LogLevel::DEBUG, __FILE__, __func__, __LINE__, fmt)
 #define megdnn_log(fmt...) \
@@ -132,6 +142,7 @@ namespace megdnn {
     _megdnn_do_log(::megdnn::LogLevel::WARN, __FILE__, __func__, __LINE__, fmt)
 #define megdnn_log_error(fmt...) \
     _megdnn_do_log(::megdnn::LogLevel::ERROR, __FILE__, __func__, __LINE__, fmt)
+#endif
 
 #if MEGDNN_ENABLE_LOGGING
 void __log__(LogLevel level, const char* file, const char* func, int line,

dnn/src/common/warp_affine.cpp

@@ -34,7 +34,7 @@ void WarpAffineBase::check_layout_fwd(const TensorLayout& src,
         megdnn_assert(src.ndim == 4_z, "%s", errmsg().c_str());
         megdnn_assert(dst.ndim == 4_z, "%s", errmsg().c_str());
         megdnn_assert(src.dtype.enumv() == DTypeEnum::Float32 ||
-                              MEGDNN_FLOAT16_SELECT(
+                              DNN_FLOAT16_SELECT(
                                       src.dtype.enumv() == DTypeEnum::Float16,
                                       false) ||
                               src.dtype.enumv() == DTypeEnum::Int8 ||
@@ -42,7 +42,7 @@ void WarpAffineBase::check_layout_fwd(const TensorLayout& src,
                               (src.dtype.enumv() == DTypeEnum::QuantizedS8 ||
                                src.dtype.enumv() == DTypeEnum::Quantized8Asymm),
                       "WarpAffine NCHW input dtype should be "
-                      "Float32/Int8/Uint8/QInt8/QUint8" MEGDNN_FLOAT16_SELECT(
+                      "Float32/Int8/Uint8/QInt8/QUint8" DNN_FLOAT16_SELECT(
                               "/Float16", "") ".");
         megdnn_assert(
                 (src.dtype.category() == DTypeCategory::FLOAT &&
@@ -95,46 +95,46 @@ void WarpAffine::check_exec(const TensorLayout& src, const TensorLayout& mat,
 
 std::string WarpAffineBase::param_msg() const {
     std::string res;
-    res.append(megdnn_mangle("imode="));
+    res.append("imode=");
     switch (param().imode) {
         case InterpolationMode::NEAREST:
-            res.append(megdnn_mangle("NEAREST"));
+            res.append("NEAREST");
             break;
         case InterpolationMode::LINEAR:
-            res.append(megdnn_mangle("LINEAR"));
+            res.append("LINEAR");
             break;
         case InterpolationMode::AREA:
-            res.append(megdnn_mangle("AREA"));
+            res.append("AREA");
             break;
         case InterpolationMode::CUBIC:
-            res.append(megdnn_mangle("CUBIC"));
+            res.append("CUBIC");
             break;
         case InterpolationMode::LANCZOS4:
-            res.append(megdnn_mangle("LANCZOS4"));
+            res.append("LANCZOS4");
             break;
     }
-    res.append(megdnn_mangle("bmode="));
+    res.append("bmode=");
     switch (param().border_mode) {
         case BorderMode::WRAP:
-            res.append(megdnn_mangle("WRAP"));
+            res.append("WRAP");
             break;
         case BorderMode::CONSTANT:
-            res.append(megdnn_mangle("CONSTANT"));
+            res.append("CONSTANT");
             break;
         case BorderMode::REFLECT:
-            res.append(megdnn_mangle("REFLECT"));
+            res.append("REFLECT");
             break;
         case BorderMode::REFLECT_101:
-            res.append(megdnn_mangle("REFLECT_101"));
+            res.append("REFLECT_101");
             break;
         case BorderMode::REPLICATE:
-            res.append(megdnn_mangle("REPLICATE"));
+            res.append("REPLICATE");
             break;
         case BorderMode::TRANSPARENT:
-            res.append(megdnn_mangle("TRANSPARENT"));
+            res.append("TRANSPARENT");
             break;
         case BorderMode::ISOLATED:
-            res.append(megdnn_mangle("ISOLATED"));
+            res.append("ISOLATED");
             break;
     }
     if (param().border_mode == BorderMode::CONSTANT) {

dnn/src/common/warp_perspective.cpp

@@ -64,7 +64,7 @@ void WarpPerspectiveBase::check_layout_fwd(const TensorLayout& src,
         if (param().format == param::WarpPerspective::Format::NCHW) {
             megdnn_assert(
                     src.dtype.enumv() == DTypeEnum::Float32 ||
-                            MEGDNN_FLOAT16_SELECT(
+                            DNN_FLOAT16_SELECT(
                                     (src.dtype.enumv() == DTypeEnum::Float16 ||
                                      src.dtype.enumv() == DTypeEnum::BFloat16),
                                     false) ||
@@ -73,7 +73,7 @@ void WarpPerspectiveBase::check_layout_fwd(const TensorLayout& src,
                             (src.dtype.enumv() == DTypeEnum::QuantizedS8 ||
                              src.dtype.enumv() == DTypeEnum::Quantized8Asymm),
                     "WarpPerspective NCHW input dtype should be "
-                    "Float32/Int8/Uint8/QInt8/QUint8" MEGDNN_FLOAT16_SELECT(
+                    "Float32/Int8/Uint8/QInt8/QUint8" DNN_FLOAT16_SELECT(
                             "/Float16/BFloat16", "") ".");
             megdnn_assert(
                     (src.dtype.category() == DTypeCategory::FLOAT &&
@@ -120,14 +120,13 @@ void WarpPerspectiveBase::check_layout_fwd(const TensorLayout& src,
                           param::WarpPerspective::Format::NHWCD4);
             megdnn_assert(
                     src.dtype == dtype::Float32() ||
-                            MEGDNN_FLOAT16_SELECT(
-                                    (src.dtype == dtype::Float16() ||
+                            DNN_FLOAT16_SELECT((src.dtype == dtype::Float16() ||
                                                 src.dtype == dtype::BFloat16()),
                                                false) ||
                             src.dtype.enumv() == DTypeEnum::QuantizedS8 ||
                             src.dtype.enumv() == DTypeEnum::Quantized8Asymm,
                     "WarpPerspective NHWCD4 input dtype should be "
-                    "Float32" MEGDNN_FLOAT16_SELECT(
+                    "Float32" DNN_FLOAT16_SELECT(
                             "/Float16/BFloat16",
                             "") ",QunatizedS8, Quantized8Asymm.");
             megdnn_assert(
@@ -189,46 +188,46 @@ void WarpPerspectiveBase::check_layout_fwd(const TensorLayout& src,
 
 std::string WarpPerspectiveBase::param_msg() const {
     std::string res;
-    res.append(megdnn_mangle("imode="));
+    res.append("imode=");
     switch (param().imode) {
         case InterpolationMode::NEAREST:
-            res.append(megdnn_mangle("NEAREST"));
+            res.append("NEAREST");
             break;
         case InterpolationMode::LINEAR:
-            res.append(megdnn_mangle("LINEAR"));
+            res.append("LINEAR");
             break;
         case InterpolationMode::AREA:
-            res.append(megdnn_mangle("AREA"));
+            res.append("AREA");
             break;
         case InterpolationMode::CUBIC:
-            res.append(megdnn_mangle("CUBIC"));
+            res.append("CUBIC");
             break;
         case InterpolationMode::LANCZOS4:
-            res.append(megdnn_mangle("LANCZOS4"));
+            res.append("LANCZOS4");
             break;
     }
-    res.append(megdnn_mangle("bmode="));
+    res.append("bmode=");
     switch (param().bmode) {
         case BorderMode::WRAP:
-            res.append(megdnn_mangle("WRAP"));
+            res.append("WRAP");
             break;
         case BorderMode::CONSTANT:
-            res.append(megdnn_mangle("CONSTANT"));
+            res.append("CONSTANT");
             break;
         case BorderMode::REFLECT:
-            res.append(megdnn_mangle("REFLECT"));
+            res.append("REFLECT");
             break;
         case BorderMode::REFLECT_101:
-            res.append(megdnn_mangle("REFLECT_101"));
+            res.append("REFLECT_101");
             break;
         case BorderMode::REPLICATE:
-            res.append(megdnn_mangle("REPLICATE"));
+            res.append("REPLICATE");
             break;
         case BorderMode::TRANSPARENT:
-            res.append(megdnn_mangle("TRANSPARENT"));
+            res.append("TRANSPARENT");
             break;
         case BorderMode::ISOLATED:
-            res.append(megdnn_mangle("ISOLATED"));
+            res.append("ISOLATED");
             break;
     }
     if (param().bmode == BorderMode::CONSTANT) {
@@ -301,7 +300,7 @@ void WarpPerspectiveBackwardData::check_exec(const TensorLayout& mat,
                                              const TensorLayout& grad,
                                              size_t workspace_in_bytes) {
     check_layout_fwd(grad, mat, mat_idx, diff);
-    megdnn_assert(grad.dtype == dtype::Float32() MEGDNN_INC_FLOAT16(
+    megdnn_assert(grad.dtype == dtype::Float32() DNN_INC_FLOAT16(
                                         || grad.dtype == dtype::BFloat16()),
                   "Backward WarpPerspective only supports Float32/BFloat16.");
     auto required_workspace_in_bytes =
@@ -317,7 +316,7 @@ void WarpPerspectiveBackwardMat::check_exec(const TensorLayout& src,
                                             size_t workspace_in_bytes) {
     check_layout_fwd(src, mat, mat_idx, diff);
     megdnn_assert_eq_layout(mat, grad);
-    megdnn_assert(grad.dtype == dtype::Float32() MEGDNN_INC_FLOAT16(
+    megdnn_assert(grad.dtype == dtype::Float32() DNN_INC_FLOAT16(
                                         || grad.dtype == dtype::BFloat16()),
                   "Backward WarpPerspective only supports Float32/BFloat16.");
     auto required_workspace_in_bytes =

dnn/src/common/winograd/winograd_helper.cpp

@@ -353,7 +353,7 @@ void StrategyHelper<
                                   _output_compute_type>;
 
 INST(float, float, float, float)
-MEGDNN_INC_FLOAT16(INST(dt_float16, dt_float16, dt_float16, dt_float16))
+DNN_INC_FLOAT16(INST(dt_float16, dt_float16, dt_float16, dt_float16))
 INST(int8_t, int8_t, int16_t, int)
 INST(uint8_t, uint8_t, int16_t, int)
 #undef INST
@@ -376,7 +376,7 @@ INST(int8_t, int8_t, float, float, param::ConvBias::Format::NCHW44)
 INST(int8_t, int8_t, int16_t, int, param::ConvBias::Format::NCHW)
 INST(int8_t, int8_t, int16_t, int, param::ConvBias::Format::NCHW44)
 INST(float, float, float, float, param::ConvBias::Format::NCHW88)
-MEGDNN_INC_FLOAT16(INST(dt_float16, dt_float16, dt_float16, dt_float16,
+DNN_INC_FLOAT16(INST(dt_float16, dt_float16, dt_float16, dt_float16,
                         param::ConvBias::Format::NCHW))
 #undef INST
 }  // namespace winograd

dnn/src/cuda/add_update/opr_impl.cpp

@@ -39,7 +39,7 @@ void AddUpdateForwardImpl::exec(
 #undef cb
 
         default:
-            megdnn_throw(megdnn_mangle("unsupported dtype for AddUpdate"));
+            megdnn_throw("unsupported dtype for AddUpdate");
     }
 }
 
@@ -59,7 +59,7 @@ void AddUpdateForwardImpl::exec_noncontig(
 #undef cb
 
         default:
-            megdnn_throw(megdnn_mangle("unsupported dtype for AddUpdate"));
+            megdnn_throw("unsupported dtype for AddUpdate");
     }
 }
 

dnn/src/cuda/batch_conv_bias/algo.cpp

@@ -55,7 +55,7 @@ BatchConvBiasForwardImpl::AlgoBase::ExecArgs::ExecArgs(
 std::string BatchConvBiasForwardImpl::AlgoBase::SizeArgs::to_string() const {
     auto&& param = opr->param();
     MEGDNN_MARK_USED_VAR(param);
-    return megdnn_mangle(ssprintf(
+    return ssprintf(
             "src=%s, filter=%s, bias=%s, z=%s, dst=%s, "
             "pad=%ux%u, stride=%ux%u, dilate=%ux%u, xcorr=%d, "
             "dtype=(%s(src),%s(flt),%s(bias),%s(z))->(%s(dst))",
@@ -65,7 +65,7 @@ std::string BatchConvBiasForwardImpl::AlgoBase::SizeArgs::to_string() const {
             param.stride_h, param.stride_w, param.dilate_h, param.dilate_w,
             static_cast<int>(param.mode), src_layout.dtype.name(),
             filter_layout.dtype.name(), bias_layout.dtype.name(),
-            z_layout.dtype.name(), dst_layout.dtype.name()));
+            z_layout.dtype.name(), dst_layout.dtype.name());
 }
 
 // vim: syntax=cpp.doxygen

dnn/src/cuda/batch_conv_bias/opr_impl.cpp

@@ -32,11 +32,11 @@ BatchConvBiasForwardImpl::get_algorithm_heuristic(
                 args, reproducible, workspace_limit_in_bytes)) {
         return &sm_algo_pack.int8_nchw4_implicit_gemm_dotprod;
     }
-    megdnn_throw(megdnn_mangle(
+    megdnn_throw(
             ssprintf("no %s batch conv bias algorithm with args(%s) and "
                      "workspace limit (%zu bytes)",
                      reproducible ? "reproducible" : "usable",
-                     args.to_string().c_str(), workspace_limit_in_bytes)));
+                     args.to_string().c_str(), workspace_limit_in_bytes));
 }
 
 std::vector<BatchConvBiasForwardImpl::Algorithm*>

dnn/src/cuda/batch_normalization/opr_impl.cpp

@@ -35,8 +35,7 @@ void BNTensorDescHolder::setup(const TensorLayout& x,
             bn_mode = CUDNN_BATCHNORM_SPATIAL;
             break;
         default:
-            megdnn_throw(megdnn_mangle(
-                    "Unknown param dim type of batch normalization."));
+            megdnn_throw("Unknown param dim type of batch normalization.");
     }
     xy_desc.set(TensorLayout(xy_shape, x.dtype));
     param_desc.set(xy_desc.desc, bn_mode);
@@ -83,8 +82,7 @@ void BNForwardImpl::exec(_megdnn_tensor_in src, _megdnn_tensor_in bn_scale,
                     m_param.epsilon));
             break;
         default:
-            megdnn_throw(megdnn_mangle(
-                    "Unknown forward mode type of batch normalization."));
+            megdnn_throw("Unknown forward mode type of batch normalization.");
     }
 }
 

dnn/src/cuda/batched_matrix_mul/algo.cpp

@@ -27,11 +27,11 @@ std::string BatchedMatrixMulForwardImpl::AlgoBase::SizeArgs::to_string() const {
     MEGDNN_MARK_USED_VAR(m);
     MEGDNN_MARK_USED_VAR(n);
     MEGDNN_MARK_USED_VAR(k);
-    return megdnn_mangle(ssprintf(
+    return ssprintf(
             "A={%zux%zu},B={%zux%zu},C={%zux%zu},Transpose A=%d,Transpose "
             "B=%d,ldA=%zu,ldB=%zu,ldC=%zu",
             m, k, k, n, m, n, param.transposeA, param.transposeB,
-            layout_a.stride[0], layout_b.stride[0], layout_c.stride[0]));
+            layout_a.stride[0], layout_b.stride[0], layout_c.stride[0]);
 }
 
 BatchedMatrixMulForwardImpl::AlgoBase::SizeArgs::SizeArgs(

dnn/src/cuda/batched_matrix_mul/cublas_lt.cpp

@@ -145,8 +145,7 @@ void BatchedMatrixMulForwardImpl::AlgoCublasLt::exec(
     } else if (desc.dt_compute == CUBLAS_COMPUTE_32F) {
         batched_sgemm();
     } else {
-        megdnn_throw(
-                megdnn_mangle("compute_type must be int32/float16/float32"));
+        megdnn_throw("compute_type must be int32/float16/float32");
     }
 #else
     if (desc.dt_compute == CUDA_R_32I) {
@@ -156,8 +155,7 @@ void BatchedMatrixMulForwardImpl::AlgoCublasLt::exec(
     } else if (desc.dt_compute == CUDA_R_32F) {
         batched_sgemm();
     } else {
-        megdnn_throw(
-                megdnn_mangle("compute_type must be int32/float16/float32"));
+        megdnn_throw("compute_type must be int32/float16/float32");
     }
 #endif
 }

dnn/src/cuda/conv_bias/algo.cpp

@@ -163,7 +163,7 @@ std::string ConvBiasForwardImpl::AlgoBase::SizeArgs::to_string() const {
         default:
             megdnn_throw("invalid conv bias nonlinear mode");
     }
-    return megdnn_mangle(ssprintf(
+    return ssprintf(
             "src=%s, filter=%u{%u,%u,%u,%u}, bias=%s, z=%s, dst=%s, "
             "pad=%ux%u, stride=%ux%u, dilate=%ux%u, xcorr=%d, dtype=%s,%s, "
             "nonlinear_mode=%s",
@@ -173,7 +173,7 @@ std::string ConvBiasForwardImpl::AlgoBase::SizeArgs::to_string() const {
             fm.padding[0], fm.padding[1], fm.stride[0], fm.stride[1],
             fm.dilation[0], fm.dilation[1], !fm.should_flip,
             src_layout->dtype.name(), dst_layout->dtype.name(),
-            nonlinear_mode_str.c_str()));
+            nonlinear_mode_str.c_str());
 }
 
 void ConvBiasForwardImpl::AlgoPack::fill_cudnn_algos() {
@@ -253,9 +253,8 @@ ConvBiasForwardImpl::AlgoPack::cudnn_conv_from_enum(
         if (i.cudnn_enum() == algo)
             return &i;
     }
-    megdnn_throw(
-            megdnn_mangle(ssprintf("can not find cudnn conv fwd algorithm %d",
-                                   static_cast<int>(algo))));
+    megdnn_throw(ssprintf("can not find cudnn conv fwd algorithm %d",
+                          static_cast<int>(algo)));
 }
 
 ConvBiasForwardImpl::AlgoBase*
@@ -265,9 +264,8 @@ ConvBiasForwardImpl::AlgoPack::cudnn_conv_bias_act_from_enum(
         if (i.cudnn_enum() == algo)
             return &i;
     }
-    megdnn_throw(megdnn_mangle(
-            ssprintf("can not find cudnn conv bias act algorithm %d",
-                     static_cast<int>(algo))));
+    megdnn_throw(ssprintf("can not find cudnn conv bias act algorithm %d",
+                          static_cast<int>(algo)));
 }
 
 // vim: syntax=cpp.doxygen

dnn/src/cuda/conv_bias/cudnn_conv_bias_activation.cpp

@@ -104,7 +104,7 @@ bool ConvBiasForwardImpl::AlgoCUDNNConvBiasActivation::is_available(
                 break;
             return false;
         default:
-            megdnn_throw(megdnn_mangle("unsupported NonlineMode"));
+            megdnn_throw("unsupported NonlineMode");
     }
     size_t workspace_size;
     auto status = cudnnGetConvolutionForwardWorkspaceSize(
@@ -139,7 +139,7 @@ size_t ConvBiasForwardImpl::AlgoCUDNNConvBiasActivation::get_workspace_in_bytes(
 void ConvBiasForwardImpl::AlgoCUDNNConvBiasActivation::exec(
         const ExecArgs& args) const {
 #if CUDNN_MAJOR < 7
-    megdnn_throw(megdnn_mangle("ConvBias require cudnn 7.0 or higher"));
+    megdnn_throw("ConvBias require cudnn 7.0 or higher");
 #else
     megdnn_assert(cudnnGetVersion() >= 7401);
     CUDNNForwardDescs D;
@@ -269,7 +269,7 @@ void ConvBiasForwardImpl::AlgoCUDNNConvBiasActivation::exec(
             break;
         }
         default:
-            megdnn_throw(megdnn_mangle("unsupported NonlineMode"));
+            megdnn_throw("unsupported NonlineMode");
     }
 #endif
 }

dnn/src/cuda/conv_bias/helper.cpp

@@ -31,8 +31,8 @@ ConvBiasDesc::~ConvBiasDesc() {
 void ConvBiasDesc::set_conv_bias(DType data_type, const param::ConvBias& param,
                                  size_t nr_group) {
 #if CUDNN_VERSION < 7100
-    megdnn_throw(megdnn_mangle(
-            "ConvBias(CUDNN_ACTIVATION_IDENTITY) require cudnn 7.1 or higher"));
+    megdnn_throw(
+            "ConvBias(CUDNN_ACTIVATION_IDENTITY) require cudnn 7.1 or higher");
 #else
     cudnnConvolutionMode_t mode;
     using Param = param::ConvBias;
@@ -44,7 +44,7 @@ void ConvBiasDesc::set_conv_bias(DType data_type, const param::ConvBias& param,
             mode = CUDNN_CONVOLUTION;
             break;
         default:
-            megdnn_throw(megdnn_mangle("conv mode must be conv or xcorr."));
+            megdnn_throw("conv mode must be conv or xcorr.");
     }
     cudnn_check(cudnnSetConvolutionGroupCount(conv_desc, nr_group));
     cudnnDataType_t compute_type;
@@ -57,7 +57,7 @@ void ConvBiasDesc::set_conv_bias(DType data_type, const param::ConvBias& param,
             compute_type = CUDNN_DATA_INT32;
             break;
         default:
-            megdnn_throw(megdnn_mangle("unspport data type for conv bias"));
+            megdnn_throw("unspport data type for conv bias");
     }
     if (data_type.enumv() == DTypeEnum::Float16) {
         auto comp_mode = param.compute_mode;
@@ -81,7 +81,7 @@ void ConvBiasDesc::set_conv_bias(DType data_type, const param::ConvBias& param,
                     0));
             break;
         default:
-            megdnn_throw(megdnn_mangle("unsupported non linear mode"));
+            megdnn_throw("unsupported non linear mode");
     }
 #endif
 }
@@ -98,7 +98,7 @@ void ConvBiasDesc::set_conv(DType data_type, const param::ConvBias& param,
             mode = CUDNN_CONVOLUTION;
             break;
         default:
-            megdnn_throw(megdnn_mangle("conv mode must be conv or xcorr."));
+            megdnn_throw("conv mode must be conv or xcorr.");
     }
     cudnnDataType_t compute_type;
     MEGDNN_MARK_USED_VAR(compute_type);
@@ -114,7 +114,7 @@ void ConvBiasDesc::set_conv(DType data_type, const param::ConvBias& param,
         compute_type = CUDNN_DATA_INT32;
 #endif
     } else {
-        megdnn_throw(megdnn_mangle("unspport data type for conv bias"));
+        megdnn_throw("unspport data type for conv bias");
     }
 #if CUDNN_MAJOR >= 7
     cudnn_check(cudnnSetConvolutionGroupCount(conv_desc, nr_group));

dnn/src/cuda/convolution/backward_data/algo.cpp

@@ -73,9 +73,8 @@ ConvolutionBackwardDataImpl::AlgoPack::cudnn_from_enum(
         if (i.cudnn_enum() == algo)
             return &i;
     }
-    megdnn_throw(
-            megdnn_mangle(ssprintf("can not find cudnn bwd_data algorithm %d",
-                                   static_cast<int>(algo))));
+    megdnn_throw(ssprintf("can not find cudnn bwd_data algorithm %d",
+                          static_cast<int>(algo)));
 }
 
 ConvolutionBackwardDataImpl::AlgoPack ConvolutionBackwardDataImpl::sm_algo_pack;
@@ -110,14 +109,14 @@ ConvolutionBackwardDataImpl::AlgoBase::ExecArgs::ExecArgs(
 std::string ConvolutionBackwardDataImpl::AlgoBase::SizeArgs::to_string() const {
     auto&& fm = filter_meta;
     MEGDNN_MARK_USED_VAR(fm);
-    return megdnn_mangle(ssprintf(
+    return ssprintf(
             "filter=%u{%u,%u,%u,%u}, diff=%s, grad=%s, "
             "pad=%ux%u, stride=%ux%u, dilate=%ux%u, xcorr=%d, dtype=%s,%s",
             fm.group, fm.ocpg, fm.icpg, fm.spatial[0], fm.spatial[1],
             diff_layout->to_string().c_str(), grad_layout->to_string().c_str(),
             fm.padding[0], fm.padding[1], fm.stride[0], fm.stride[1],
             fm.dilation[0], fm.dilation[1], !fm.should_flip,
-            diff_layout->dtype.name(), grad_layout->dtype.name()));
+            diff_layout->dtype.name(), grad_layout->dtype.name());
 }
 
 // vim: syntax=cpp.doxygen

dnn/src/cuda/convolution/backward_filter/algo.cpp

@@ -60,9 +60,8 @@ ConvolutionBackwardFilterImpl::AlgoPack::cudnn_from_enum(
         if (i.cudnn_enum() == algo)
             return &i;
     }
-    megdnn_throw(megdnn_mangle(ssprintf(
-                    "can not find cudnn bwd_filter algorithm %d",
-                    static_cast<int>(algo))));
+    megdnn_throw(ssprintf("can not find cudnn bwd_filter algorithm %d",
+                          static_cast<int>(algo)));
 }
 
 ConvolutionBackwardFilterImpl::AlgoPack
@@ -103,16 +102,14 @@ std::string
 ConvolutionBackwardFilterImpl::AlgoBase::SizeArgs::to_string() const {
     auto &&fm = grad_filter_meta;
     MEGDNN_MARK_USED_VAR(fm);
-    return megdnn_mangle(ssprintf(
+    return ssprintf(
             "src=%s diff=%s grad_filter=%u{%u,%u,%u,%u}, "
             "pad=%ux%u, stride=%ux%u, dilate=%ux%u, xcorr=%d, dtype=%s,%s",
-                src_layout->to_string().c_str(),
-                diff_layout->to_string().c_str(),
+            src_layout->to_string().c_str(), diff_layout->to_string().c_str(),
             fm.group, fm.ocpg, fm.icpg, fm.spatial[0], fm.spatial[1],
             fm.padding[0], fm.padding[1], fm.stride[0], fm.stride[1],
-                fm.dilation[0], fm.dilation[1],
-                !fm.should_flip,
-                src_layout->dtype.name(), diff_layout->dtype.name()));
+            fm.dilation[0], fm.dilation[1], !fm.should_flip,
+            src_layout->dtype.name(), diff_layout->dtype.name());
 }
 
 // vim: syntax=cpp.doxygen

dnn/src/cuda/convolution/forward/algos.cpp

@@ -110,10 +110,10 @@ ConvolutionForwardImpl::AlgoBase::ExecArgs::ExecArgs(
           workspace{workspace} {}
 
 std::string ConvolutionForwardImpl::AlgoBase::SizeArgs::to_string() const {
-    return megdnn_mangle(ssprintf("src=%s, filter=%s, dst=%s",
+    return ssprintf("src=%s, filter=%s, dst=%s",
                     layout_src->to_string().c_str(),
                     layout_filter->to_string().c_str(),
-                                  layout_dst->to_string().c_str()));
+                    layout_dst->to_string().c_str());
 }
 
 /* ===================== default algo ===================== */

dnn/src/cuda/convolution3d/backward_data/algo.cpp

@@ -54,9 +54,8 @@ Convolution3DBackwardDataImpl::AlgoPack::cudnn_from_enum(
         if (i.cudnn_enum() == algo)
             return &i;
     }
-    megdnn_throw(megdnn_mangle(ssprintf(
-                    "can not find cudnn bwd_data algorithm %d",
-                    static_cast<int>(algo))));
+    megdnn_throw(ssprintf("can not find cudnn bwd_data algorithm %d",
+                          static_cast<int>(algo)));
 }
 
 Convolution3DBackwardDataImpl::AlgoPack Convolution3DBackwardDataImpl::sm_algo_pack;
@@ -96,17 +95,16 @@ Convolution3DBackwardDataImpl::AlgoBase::ExecArgs::ExecArgs(
 std::string Convolution3DBackwardDataImpl::AlgoBase::SizeArgs::to_string() const {
     auto &&fm = filter_meta;
     MEGDNN_MARK_USED_VAR(fm);
-    return megdnn_mangle(ssprintf(
+    return ssprintf(
             "filter=%u{%u,%u,%u,%u,%u}, diff=%s, grad=%s, "
-                "pad=%ux%ux%u, stride=%ux%ux%u, dilate=%ux%ux%u, xcorr=%d, dtype=%s,%s",
-                fm.group, fm.ocpg, fm.icpg, fm.spatial[0], fm.spatial[1], fm.spatial[2],
-                diff_layout->to_string().c_str(),
-                grad_layout->to_string().c_str(),
-                fm.padding[0], fm.padding[1], fm.padding[2],
-                fm.stride[0], fm.stride[1], fm.stride[2],
-                fm.dilation[0], fm.dilation[1] ,fm.dilation[2],
-                !fm.should_flip,
-                diff_layout->dtype.name(), grad_layout->dtype.name()));
+            "pad=%ux%ux%u, stride=%ux%ux%u, dilate=%ux%ux%u, xcorr=%d, "
+            "dtype=%s,%s",
+            fm.group, fm.ocpg, fm.icpg, fm.spatial[0], fm.spatial[1],
+            fm.spatial[2], diff_layout->to_string().c_str(),
+            grad_layout->to_string().c_str(), fm.padding[0], fm.padding[1],
+            fm.padding[2], fm.stride[0], fm.stride[1], fm.stride[2],
+            fm.dilation[0], fm.dilation[1], fm.dilation[2], !fm.should_flip,
+            diff_layout->dtype.name(), grad_layout->dtype.name());
 }
 
 // vim: syntax=cpp.doxygen

dnn/src/cuda/convolution3d/backward_filter/algo.cpp

@@ -56,9 +56,8 @@ Convolution3DBackwardFilterImpl::AlgoPack::cudnn_from_enum(
         if (i.cudnn_enum() == algo)
             return &i;
     }
-    megdnn_throw(megdnn_mangle(ssprintf(
-                    "can not find cudnn bwd_filter algorithm %d",
-                    static_cast<int>(algo))));
+    megdnn_throw(ssprintf("can not find cudnn bwd_filter algorithm %d",
+                          static_cast<int>(algo)));
 }
 
 Convolution3DBackwardFilterImpl::AlgoPack
@@ -100,18 +99,16 @@ std::string
 Convolution3DBackwardFilterImpl::AlgoBase::SizeArgs::to_string() const {
     auto &&fm = grad_filter_meta;
     MEGDNN_MARK_USED_VAR(fm);
-    return megdnn_mangle(ssprintf(
+    return ssprintf(
             "src=%s diff=%s grad_filter=%u{%u,%u,%u,%u,%u}, "
-                "pad=%ux%ux%u, stride=%ux%ux%u, dilate=%ux%ux%u, xcorr=%d, dtype=%s,%s",
-                src_layout->to_string().c_str(),
-                diff_layout->to_string().c_str(),
-                fm.group, fm.ocpg, fm.icpg,
-                fm.spatial[0], fm.spatial[1], fm.spatial[2],
-                fm.padding[0], fm.padding[1], fm.padding[2],
-                fm.stride[0], fm.stride[1], fm.stride[2],
-                fm.dilation[0], fm.dilation[1], fm.dilation[2],
-                !fm.should_flip,
-                src_layout->dtype.name(), diff_layout->dtype.name()));
+            "pad=%ux%ux%u, stride=%ux%ux%u, dilate=%ux%ux%u, xcorr=%d, "
+            "dtype=%s,%s",
+            src_layout->to_string().c_str(), diff_layout->to_string().c_str(),
+            fm.group, fm.ocpg, fm.icpg, fm.spatial[0], fm.spatial[1],
+            fm.spatial[2], fm.padding[0], fm.padding[1], fm.padding[2],
+            fm.stride[0], fm.stride[1], fm.stride[2], fm.dilation[0],
+            fm.dilation[1], fm.dilation[2], !fm.should_flip,
+            src_layout->dtype.name(), diff_layout->dtype.name());
 }
 
 // vim: syntax=cpp.doxygen

dnn/src/cuda/convolution3d/forward/algo.cpp

@@ -59,8 +59,8 @@ Convolution3DForwardImpl::AlgoPack::cudnn_from_enum(
         if (i.cudnn_enum() == algo)
             return &i;
     }
-    megdnn_throw(megdnn_mangle(ssprintf("can not find cudnn fwd algorithm %d",
-                    static_cast<int>(algo))));
+    megdnn_throw(ssprintf("can not find cudnn fwd algorithm %d",
+                          static_cast<int>(algo)));
 }
 
 Convolution3DForwardImpl::AlgoPack Convolution3DForwardImpl::sm_algo_pack;
@@ -101,18 +101,16 @@ Convolution3DForwardImpl::AlgoBase::ExecArgs::ExecArgs(
 std::string Convolution3DForwardImpl::AlgoBase::SizeArgs::to_string() const {
     auto &&fm = filter_meta;
     MEGDNN_MARK_USED_VAR(fm);
-    return megdnn_mangle(ssprintf(
+    return ssprintf(
             "src=%s, filter=%u{%u,%u,%u,%u,%u}, dst=%s, "
-                "pad=%ux%ux%u, stride=%ux%ux%u, dilate=%ux%ux%u, xcorr=%d, dtype=%s,%s",
-                src_layout->to_string().c_str(),
-                fm.group, fm.ocpg, fm.icpg,
+            "pad=%ux%ux%u, stride=%ux%ux%u, dilate=%ux%ux%u, xcorr=%d, "
+            "dtype=%s,%s",
+            src_layout->to_string().c_str(), fm.group, fm.ocpg, fm.icpg,
             fm.spatial[0], fm.spatial[1], fm.spatial[2],
-                dst_layout->to_string().c_str(),
-                fm.padding[0], fm.padding[1], fm.padding[2],
-                fm.stride[0], fm.stride[1], fm.stride[2],
-                fm.dilation[0], fm.dilation[1], fm.dilation[2],
-                !fm.should_flip,
-                src_layout->dtype.name(), dst_layout->dtype.name()));
+            dst_layout->to_string().c_str(), fm.padding[0], fm.padding[1],
+            fm.padding[2], fm.stride[0], fm.stride[1], fm.stride[2],
+            fm.dilation[0], fm.dilation[1], fm.dilation[2], !fm.should_flip,
+            src_layout->dtype.name(), dst_layout->dtype.name());
 }
 
 // vim: syntax=cpp.doxygen

dnn/src/cuda/cudnn_wrapper.cpp

@@ -54,9 +54,9 @@ cudnnDataType_t to_cudnn_dtype(DType type,
 #endif
         default:
 #if CUDNN_MAJOR >= 6
-    megdnn_throw(megdnn_mangle("dtype must be float16/float32/int8/int32"));
+    megdnn_throw("dtype must be float16/float32/int8/int32");
 #else
-    megdnn_throw(megdnn_mangle("dtype must be float16/float32"));
+    megdnn_throw("dtype must be float16/float32");
 #endif
     }
 
@@ -259,7 +259,7 @@ void ConvDesc::set(DType data_type, const param::Convolution& param,
             mode = CUDNN_CONVOLUTION;
             break;
         default:
-            megdnn_throw(megdnn_mangle("conv mode must be conv or xcorr."));
+            megdnn_throw("conv mode must be conv or xcorr.");
     }
     cudnnDataType_t compute_type;
     MEGDNN_MARK_USED_VAR(compute_type);
@@ -275,7 +275,7 @@ void ConvDesc::set(DType data_type, const param::Convolution& param,
         compute_type = CUDNN_DATA_INT32;
 #endif
     } else {
-        megdnn_throw(megdnn_mangle("unspport data type for conv bias"));
+        megdnn_throw("unspport data type for conv bias");
     }
 #if CUDNN_MAJOR >= 7
     cudnn_check(cudnnSetConvolutionGroupCount(desc, nr_group));
@@ -445,7 +445,7 @@ void Conv3DDesc::set(const param::Convolution3D& param, const size_t nr_group) {
             mode = CUDNN_CONVOLUTION;
             break;
         default:
-            megdnn_throw(megdnn_mangle("conv mode must be conv or xcorr."));
+            megdnn_throw("conv mode must be conv or xcorr.");
     }
 #if CUDNN_MAJOR >= 7
     cudnn_check(cudnnSetConvolutionGroupCount(desc, nr_group));

dnn/src/cuda/cumsum/kern_impl.cu

@@ -62,7 +62,7 @@ uint32_t cumsum::get_workspace_bytes_for_cub_1d(uint32_t nr_item,
         CASE(8, uint64_t);
 #undef CASE
         default:
-            report_error(megdnn_mangle("unsupported item size in cumsum"));
+            report_error("unsupported item size in cumsum");
     }
 }
 

dnn/src/cuda/deformable_conv/opr_impl.cpp

@@ -77,11 +77,11 @@ AlgoFwd* Fwd::get_algorithm_heuristic(const TensorLayout& im,
                 args, reproducible, workspace_limit_in_bytes)) {
         return &sm_algo_pack.algo_matmul;
     }
-    megdnn_throw(megdnn_mangle(
+    megdnn_throw(
             ssprintf("no %s deformable conv fwd algorithm with args(%s) and "
                      "workspace limit (%zu bytes)",
                      reproducible ? "reproducible" : "usable",
-                     args.to_string().c_str(), workspace_limit_in_bytes)));
+                     args.to_string().c_str(), workspace_limit_in_bytes));
 }
 
 const char* Fwd::get_algorithm_set_name() const {
@@ -131,11 +131,11 @@ AlgoBwdFlt* BwdFlt::get_algorithm_heuristic(
                 args, reproducible, workspace_limit_in_bytes)) {
         return &sm_algo_pack.algo_matmul;
     }
-    megdnn_throw(megdnn_mangle(ssprintf(
+    megdnn_throw(ssprintf(
             "no %s deformable conv bwd filter algorithm with args(%s) and "
             "workspace limit (%zu bytes)",
             reproducible ? "reproducible" : "usable", args.to_string().c_str(),
-            workspace_limit_in_bytes)));
+            workspace_limit_in_bytes));
 }
 
 size_t BwdFlt::get_workspace_in_bytes(
@@ -194,11 +194,11 @@ AlgoBwdData* BwdData::get_algorithm_heuristic(
                 args, reproducible, workspace_limit_in_bytes)) {
         return &sm_algo_pack.algo_matmul;
     }
-    megdnn_throw(megdnn_mangle(ssprintf(
+    megdnn_throw(ssprintf(
             "no %s deformable conv bwd data algorithm with args(%s) and "
             "workspace limit (%zu bytes)",
             reproducible ? "reproducible" : "usable", args.to_string().c_str(),
-            workspace_limit_in_bytes)));
+            workspace_limit_in_bytes));
 }
 
 size_t BwdData::get_workspace_in_bytes(

dnn/src/cuda/indexing_multi_axis_vec/opr_impl.cpp

@@ -199,7 +199,7 @@ size_t IndexingIncrMultiAxisVecImpl::get_workspace_in_bytes(
 void IndexingIncrMultiAxisVecImpl::exec(
         _megdnn_tensor_inout data, _megdnn_tensor_in value,
         const IndexDesc &index, _megdnn_workspace workspace) {
-    MEGDNN_INC_FLOAT16(
+    DNN_INC_FLOAT16(
             megdnn_assert(data.layout.dtype != dtype::Float16(),
             "float16 incr on cuda currently not supported"));
     auto info = check_exec(data.layout, value.layout, index, workspace.size);

dnn/src/cuda/indexing_one_hot/opr_impl.cpp

@@ -53,7 +53,7 @@ void IndexingOneHotForwardImpl::exec(
     switch (src.layout.dtype.enumv()) {
         MEGDNN_FOREACH_COMPUTING_DTYPE(cb)
         default:
-            megdnn_throw(megdnn_mangle("bad dtype"));
+            megdnn_throw("bad dtype");
     }
 #undef cb
 }
@@ -80,7 +80,7 @@ void IndexingSetOneHotForwardImpl::exec(
     switch (data.layout.dtype.enumv()) {
         MEGDNN_FOREACH_COMPUTING_DTYPE(cb)
         default:
-            megdnn_throw(megdnn_mangle("bad dtype"));
+            megdnn_throw("bad dtype");
     }
 #undef cb
 }

dnn/src/cuda/local_share/backward_data/algo.cpp

@@ -47,14 +47,14 @@ LocalShareBackwardDataImpl::AlgoBase::ExecArgs::ExecArgs(LocalShareBackwardDataI
 std::string LocalShareBackwardDataImpl::AlgoBase::SizeArgs::to_string() const {
     auto&& param = opr->param();
     MEGDNN_MARK_USED_VAR(param);
-    return megdnn_mangle(ssprintf(
+    return ssprintf(
             "filter=%s, diff=%s, grad=%s, "
             "pad=%ux%u, stride=%ux%u, dilate=%ux%u, xcorr=%d, dtype=%s,%s->%s",
             filter_layout.to_string().c_str(), diff_layout.to_string().c_str(),
             grad_layout.to_string().c_str(), param.pad_h, param.pad_w,
             param.stride_h, param.stride_w, param.dilate_h, param.dilate_w,
             static_cast<int>(param.mode), filter_layout.dtype.name(),
-            diff_layout.dtype.name(), grad_layout.dtype.name()));
+            diff_layout.dtype.name(), grad_layout.dtype.name());
 }
 
 // vim: syntax=cpp.doxygen

dnn/src/cuda/local_share/backward_filter/algo.cpp

@@ -48,14 +48,14 @@ std::string LocalShareBackwardFilterImpl::AlgoBase::SizeArgs::to_string()
         const {
     auto&& param = opr->param();
     MEGDNN_MARK_USED_VAR(param);
-    return megdnn_mangle(ssprintf(
+    return ssprintf(
             "src=%s, diff=%s, grad=%s, "
             "pad=%ux%u, stride=%ux%u, dilate=%ux%u, xcorr=%d, dtype=%s,%s->%s",
             src_layout.to_string().c_str(), diff_layout.to_string().c_str(),
             grad_layout.to_string().c_str(), param.pad_h, param.pad_w,
             param.stride_h, param.stride_w, param.dilate_h, param.dilate_w,
             static_cast<int>(param.mode), src_layout.dtype.name(),
-            diff_layout.dtype.name(), grad_layout.dtype.name()));
+            diff_layout.dtype.name(), grad_layout.dtype.name());
 }
 
 // vim: syntax=cpp.doxygen

dnn/src/cuda/local_share/forward/algo.cpp

@@ -49,14 +49,14 @@ LocalShareForwardImpl::AlgoBase::ExecArgs::ExecArgs(LocalShareForwardImpl* opr,
 std::string LocalShareForwardImpl::AlgoBase::SizeArgs::to_string() const {
     auto&& param = opr->param();
     MEGDNN_MARK_USED_VAR(param);
-    return megdnn_mangle(ssprintf(
+    return ssprintf(
             "src=%s, filter=%s, dst=%s, "
             "pad=%ux%u, stride=%ux%u, dilate=%ux%u, xcorr=%d, dtype=%s,%s",
             src_layout.to_string().c_str(), filter_layout.to_string().c_str(),
             dst_layout.to_string().c_str(), param.pad_h, param.pad_w,
             param.stride_h, param.stride_w, param.dilate_h, param.dilate_w,
             static_cast<int>(param.mode), src_layout.dtype.name(),
-            dst_layout.dtype.name()));
+            dst_layout.dtype.name());
 }
 
 // vim: syntax=cpp.doxygen

dnn/src/cuda/local_share/opr_impl.cpp

@@ -39,11 +39,11 @@ LocalShareForwardImpl::get_algorithm_heuristic(const TensorLayout& src,
                 args, reproducible, workspace_limit_in_bytes)) {
         return &sm_algo_pack.batched_matmul;
     }
-    megdnn_throw(megdnn_mangle(
+    megdnn_throw(
             ssprintf("no %s local share conv algorithm with args(%s) and "
                      "workspace limit (%zu bytes)",
                      reproducible ? "reproducible" : "usable",
-                     args.to_string().c_str(), workspace_limit_in_bytes)));
+                     args.to_string().c_str(), workspace_limit_in_bytes));
 }
 
 std::vector<LocalShareForwardImpl::Algorithm*>
@@ -89,11 +89,11 @@ LocalShareBackwardDataImpl::get_algorithm_heuristic(
                 args, reproducible, workspace_limit_in_bytes)) {
         return &sm_algo_pack.batched_matmul;
     }
-    megdnn_throw(megdnn_mangle(
+    megdnn_throw(
             ssprintf("no %s local share bwd data algorithm with args(%s) and "
                      "workspace limit (%zu bytes)",
                      reproducible ? "reproducible" : "usable",
-                     args.to_string().c_str(), workspace_limit_in_bytes)));
+                     args.to_string().c_str(), workspace_limit_in_bytes));
 }
 
 std::vector<LocalShareBackwardDataImpl::Algorithm*>
@@ -139,11 +139,11 @@ LocalShareBackwardFilterImpl::get_algorithm_heuristic(
                 args, reproducible, workspace_limit_in_bytes)) {
         return &sm_algo_pack.batched_matmul;
     }
-    megdnn_throw(megdnn_mangle(
+    megdnn_throw(
             ssprintf("no %s local share bwd filter algorithm with args(%s) and "
                      "workspace limit (%zu bytes)",
                      reproducible ? "reproducible" : "usable",
-                     args.to_string().c_str(), workspace_limit_in_bytes)));
+                     args.to_string().c_str(), workspace_limit_in_bytes));
 }
 
 std::vector<LocalShareBackwardFilterImpl::Algorithm*>

dnn/src/cuda/matrix_mul/algos.cpp

@@ -122,11 +122,11 @@ std::string MatrixMulForwardImpl::AlgoBase::SizeArgs::to_string() const {
     MEGDNN_MARK_USED_VAR(m);
     MEGDNN_MARK_USED_VAR(n);
     MEGDNN_MARK_USED_VAR(k);
-    return megdnn_mangle(ssprintf(
+    return ssprintf(
             "A={%zux%zu},B={%zux%zu},C={%zux%zu},Transpose A=%d,Transpose "
             "B=%d,ldA=%zu,ldB=%zu,ldC=%zu",
             m, k, k, n, m, n, param.transposeA, param.transposeB,
-            layout_a.stride[0], layout_b.stride[0], layout_c.stride[0]));
+            layout_a.stride[0], layout_b.stride[0], layout_c.stride[0]);
 }
 
 // vim: syntax=cpp.doxygen

dnn/src/cuda/matrix_mul/cublasLt_wrapper.cpp

@@ -29,8 +29,7 @@ static cudaDataType_t to_cuda_dtype(DType tp) {
         case DTypeEnum::QuantizedS32:
             return CUDA_R_32I;
         default:
-            megdnn_throw(megdnn_mangle(
-                    "dtype must be float16/float32/int8/qs8/int32"));
+            megdnn_throw("dtype must be float16/float32/int8/qs8/int32");
     }
 }
 
@@ -45,8 +44,7 @@ static cublasComputeType_t to_cublas_compute_type(DType tp) {
         case DTypeEnum::QuantizedS32:
             return CUBLAS_COMPUTE_32I;
         default:
-            megdnn_throw(
-                    megdnn_mangle("dtype must be float16/float32/int32/Qs32"));
+            megdnn_throw("dtype must be float16/float32/int32/Qs32");
     }
 }
 #endif
@@ -62,8 +60,7 @@ static const char* cuda_type_to_str(cudaDataType_t tp) {
         case CUDA_R_32I:
             return "CUDA_R_32I";
         default:
-            megdnn_throw(
-                    megdnn_mangle("dtype must be float16/float32/int8/int32"));
+            megdnn_throw("dtype must be float16/float32/int8/int32");
     }
 }
 
@@ -77,8 +74,7 @@ static size_t cuda_dtype_size(cudaDataType_t dt) {
         case CUDA_R_32I:
             return 4_z;
         default:
-            megdnn_throw(
-                    megdnn_mangle("dtype must be float16/float32/int8/int32"));
+            megdnn_throw("dtype must be float16/float32/int8/int32");
     }
 }
 

dnn/src/cuda/matrix_mul/cublas_lt.cpp

@@ -140,8 +140,7 @@ void MatrixMulForwardImpl::AlgoCuBlasLt::exec(const ExecArgs& args) const {
             igemm();
             break;
         default:
-            megdnn_throw(megdnn_mangle(
-                    "compute type must be float16/float32/int32"));
+            megdnn_throw("compute type must be float16/float32/int32");
     }
 #else
     switch (desc.dt_compute) {
@@ -155,8 +154,7 @@ void MatrixMulForwardImpl::AlgoCuBlasLt::exec(const ExecArgs& args) const {
             igemm();
             break;
         default:
-            megdnn_throw(megdnn_mangle(
-                    "compute type must be float16/float32/int32"));
+            megdnn_throw("compute type must be float16/float32/int32");
     }
 #endif
 }

dnn/src/cuda/megcore/cuda_computing_context.cpp

@@ -27,7 +27,8 @@ CUDAComputingContext::CUDAComputingContext(megcoreDeviceHandle_t dev_handle,
 {
     megcorePlatform_t platform;
     megcoreGetPlatform(dev_handle, &platform);
-    megdnn_assert(platform == megcorePlatformCUDA);
+    megdnn_throw_if(platform != megcorePlatformCUDA, megdnn_error,
+                    "platform should be CUDA Platform");
     if (own_stream_) {
         cuda_check(cudaStreamCreateWithFlags(&context_.stream,
                     cudaStreamNonBlocking));

dnn/src/cuda/megcore/public_api/computing.cpp

@@ -38,9 +38,10 @@ megcoreStatus_t megcore::getCUDAContext(megcoreComputingHandle_t handle,
     megcoreDeviceHandle_t dev_handle = H->content->dev_handle();
     megcorePlatform_t platform;
     megcoreGetPlatform(dev_handle, &platform);
-    megdnn_assert(platform == megcorePlatformCUDA);
-    auto context = static_cast<megcore::cuda::CUDAComputingContext *>(
-            H->content.get());
+    megdnn_throw_if(platform != megcorePlatformCUDA, megdnn_error,
+                    "platform should be CUDA Platform");
+    auto context =
+            static_cast<megcore::cuda::CUDAComputingContext*>(H->content.get());
     *ctx = context->context();
     return megcoreSuccess;
 }

dnn/src/cuda/relayout/opr_impl.cpp

@@ -194,7 +194,7 @@ void RelayoutForwardImpl::exec(_megdnn_tensor_in src, _megdnn_tensor_out dst,
         megcoreGetDeviceHandle(src_handle->megcore_computing_handle(), &dev);
         megcorePlatform_t plat;
         megcoreGetPlatform(dev, &plat);
-        megdnn_assert(plat == megcorePlatformCUDA,
+        megdnn_throw_if(plat != megcorePlatformCUDA, megdnn_error,
                         "only relayout between cuda devices are supported");
         int dst_dev_id = -1, src_dev_id = -1;
         megcoreGetDeviceID(dev, &src_dev_id);

dnn/src/cuda/remap/backward_data.cu

@@ -157,7 +157,7 @@ void backwarddata_proxy(ctype* grad, const float* map_xy, const ctype* diff,
     INST(ctype, NCHW, BORDER_WRAP)
 
 FOR_FORMAT_BMODE(float)
-MEGDNN_INC_FLOAT16(FOR_FORMAT_BMODE(dt_bfloat16))
+DNN_INC_FLOAT16(FOR_FORMAT_BMODE(dt_bfloat16))
 
 #undef FOR_FORMAT_BMODE
 #undef INST

dnn/src/cuda/remap/backward_mat.cu

@@ -158,7 +158,7 @@ void backwardmat_proxy(const ctype* src, const float* map_xy, const ctype* diff,
     INST(ctype, NCHW, BORDER_WRAP)
 
 FOR_FORMAT_BMODE(float)
-MEGDNN_INC_FLOAT16(FOR_FORMAT_BMODE(dt_bfloat16))
+DNN_INC_FLOAT16(FOR_FORMAT_BMODE(dt_bfloat16))
 
 #undef FOR_FORMAT_BMODE
 #undef INST

dnn/src/cuda/remap/forward.cpp

@@ -76,8 +76,8 @@ void RemapImpl::exec(_megdnn_tensor_in src, _megdnn_tensor_out map_xy,
 
     switch (src.layout.dtype.enumv()) {
         support_dtype(dtype::Float32);
-        MEGDNN_INC_FLOAT16(support_dtype(dtype::Float16));
-        MEGDNN_INC_FLOAT16(support_dtype(dtype::BFloat16));
+        DNN_INC_FLOAT16(support_dtype(dtype::Float16));
+        DNN_INC_FLOAT16(support_dtype(dtype::BFloat16));
         support_dtype(dtype::Int8);
         support_dtype(dtype::Uint8);
         default:

dnn/src/cuda/remap/forward.cu

@@ -209,8 +209,8 @@ void forward_proxy(const ctype* src, const float* map_xy, ctype* dst, int N,
     INST(ctype, NHWC, BORDER_WRAP)
 
 FOR_FORMAT_BMODE(float)
-MEGDNN_INC_FLOAT16(FOR_FORMAT_BMODE(dt_float16))
-MEGDNN_INC_FLOAT16(FOR_FORMAT_BMODE(dt_bfloat16))
+DNN_INC_FLOAT16(FOR_FORMAT_BMODE(dt_float16))
+DNN_INC_FLOAT16(FOR_FORMAT_BMODE(dt_bfloat16))
 FOR_FORMAT_BMODE(int8_t)
 FOR_FORMAT_BMODE(uint8_t)
 

dnn/src/cuda/resize/forward.cpp

@@ -43,8 +43,7 @@ void resize_cv_proxy(_megdnn_tensor_in src, _megdnn_tensor_out dst,
                     src_mat.step(), dst_mat.step(), src_mat.channels(), imode,
                     workspace, stream);
         } else {
-            megdnn_throw(
-                    megdnn_mangle("Unsupported datatype of WarpAffine optr."));
+            megdnn_throw("Unsupported datatype of WarpAffine optr.");
         }
     }
 }

dnn/src/cuda/warp_affine/opr_impl.cpp

@@ -73,8 +73,7 @@ void warp_affine_cv_exec(_megdnn_tensor_in src, _megdnn_tensor_in mat,
             }
 
         } else {
-            megdnn_throw(
-                megdnn_mangle("Unsupported datatype of Warpaffine optr."));
+            megdnn_throw("Unsupported datatype of Warpaffine optr.");
         }
 
         trans_ptr += 2 * 3;

dnn/src/cuda/warp_perspective/forward.cpp

@@ -75,8 +75,7 @@ void warp_perspective_cv_exec(_megdnn_tensor_in src, _megdnn_tensor_in mat,
             }
 
         } else {
-            megdnn_throw(megdnn_mangle(
-                    "Unsupported datatype of WarpPerspective optr."));
+            megdnn_throw("Unsupported datatype of WarpPerspective optr.");
         }
 
         trans_ptr += 3 * 3;
@@ -215,7 +214,7 @@ void WarpPerspectiveForwardImpl::exec(_megdnn_tensor_in ssrc,
                             C, IH, IW, OH, OW, bval, bmode,
                             async_error_info(handle()), m_error_tracker,
                             stream);
-                } else if (MEGDNN_FLOAT16_SELECT(
+                } else if (DNN_FLOAT16_SELECT(
                                    src.layout.dtype == dtype::Float16(),
                                    false)) {
 #ifndef MEGDNN_DISABLE_FLOAT16

dnn/src/fallback/batched_matrix_mul/algos.cpp

@@ -50,11 +50,13 @@ std::string BatchedMatrixMulForwardImpl::AlgoBase::SizeArgs::to_string() const {
     MEGDNN_MARK_USED_VAR(m);
     MEGDNN_MARK_USED_VAR(n);
     MEGDNN_MARK_USED_VAR(k);
-    return megdnn_mangle(ssprintf(
+    return ssprintf(
             "A={%zux%zu},B={%zux%zu},C={%zux%zu},Transpose A=%d,Transpose "
             "B=%d,ldA=%zu,ldB=%zu,ldC=%zu",
             m, k, k, n, m, n, param.transposeA, param.transposeB,
-            layout_a.stride[0], layout_b.stride[0], layout_c.stride[0]));
+            static_cast<size_t>(layout_a.stride[0]),
+            static_cast<size_t>(layout_b.stride[0]),
+            static_cast<size_t>(layout_c.stride[0]));
 }
 
 /* ===================== default algo ===================== */

dnn/src/fallback/convolution/algos.cpp

@@ -295,7 +295,7 @@ SmallVector<ConvolutionImpl::NCBKern> ConvolutionImpl::AlgoNaive::dispatch_kern(
     cb(dtype::Int8, dtype::Int32);
     cb(dtype::Quantized8Asymm, dtype::QuantizedS32);
     cb(dtype::QuantizedS8, dtype::QuantizedS32);
-    megdnn_throw(megdnn_mangle("unknown convolution data type"));
+    megdnn_throw("unknown convolution data type");
 #undef cb
 }
 
@@ -596,8 +596,8 @@ ConvolutionBackwardDataImpl::AlgoMatrixMul::dispatch_kern(
         }                                                                 \
     } while (0);
     cb(dtype::Float32, "FLOAT"_hash);
-    MEGDNN_INC_FLOAT16(cb(dtype::Float16, "FLOAT16"_hash));
-    MEGDNN_INC_FLOAT16(cb(dtype::BFloat16, "BFLOAT16"_hash));
+    DNN_INC_FLOAT16(cb(dtype::Float16, "FLOAT16"_hash));
+    DNN_INC_FLOAT16(cb(dtype::BFloat16, "BFLOAT16"_hash));
 #undef cb
 
 #define cb(dt_src, dt_dst, midout_tag)                                    \

dnn/src/fallback/convolution/opr_impl.cpp

@@ -432,7 +432,7 @@ ConvolutionImpl::NCBKernSizeParam::deduce_algo_data_type() const {
     } else if (src_type.enumv() == DTypeEnum::Quantized8Asymm) {
         return ConvolutionImpl::AlgoDataType::QUINT8X8X32;
     } else {
-        megdnn_throw(ssprintf("megdnn not support data type of %s * %s -> %s\n",
+        megdnn_throw(ssprintf("not support data type of %s * %s -> %s\n",
                               src_type.name(), filter_type.name(),
                               dst_type.name()));
     }
@@ -697,8 +697,7 @@ ConvolutionBackwardDataImpl::ncb_1g_dispatch_kern(
         return static_cast<AlgoBase*>(algo)->dispatch_kern(this, param);
     }
 
-    megdnn_throw(
-            megdnn_mangle("no suitable ConvolutionBackwardData algorithm"));
+    megdnn_throw("no suitable ConvolutionBackwardData algorithm");
 }
 
 bool ConvolutionBackwardDataImpl::is_matrix_mul_preferred(

dnn/src/fallback/convolution/run_conv.cpp

@@ -134,8 +134,7 @@ void run_xcorr_single_channel_templated(
     DISPATCH(6)
     DISPATCH(7)
 #undef DISPATCH
-    megdnn_throw(megdnn_mangle(
-                "internal error in conv template dispatching: impossible"));
+    megdnn_throw("internal error in conv template dispatching: impossible");
 }
 
 void run_xcorr_single_channel_nontemplated(
@@ -339,8 +338,7 @@ void conv_backdata_single_channel_templated(
     DISPATCH(7)
 #undef DISPATCH
     megdnn_throw(
-            megdnn_mangle("internal error in conv_backdata template "
-                          "dispatching: impossible"));
+            "internal error in conv_backdata template dispatching: impossible");
 }
 
 void conv_backdata_single_channel_nontemplated(

dnn/src/fallback/matrix_mul/algos.cpp

@@ -165,7 +165,7 @@ MatrixMulImpl::kern_t MatrixMulImpl::AlgoGemv::get_kern(
     }
 
     DISPATCH(Float32, Float32, (gemm_gemv_like<dt_float32, dt_float32>), 0);
-    MEGDNN_INC_FLOAT16(DISPATCH(Float16, Float16,
+    DNN_INC_FLOAT16(DISPATCH(Float16, Float16,
                                 (gemm_gemv_like<dt_float16, dt_float16>), 1));
     DISPATCH(Int8, Int16, (gemm_gemv_like<dt_int8, dt_int16>), 2);
     DISPATCH(Quantized8Asymm, QuantizedS32,

dnn/src/fallback/matrix_mul/opr_impl.cpp

@@ -263,8 +263,7 @@ MatrixMulImpl::KernSizeParam::deduce_algo_data_type() const {
     } else if (A_type.enumv() == DTypeEnum::Int16) {
         return MatrixMulImpl::AlgoDataType::INT16X16X32;
     } else {
-        megdnn_throw(ssprintf(
-                "megdnn matmul not support data type of %s * %s -> %s\n",
+        megdnn_throw(ssprintf("matmul not support data type of %s * %s -> %s\n",
                               A_type.name(), B_type.name(), C_type.name()));
     }
 }

dnn/src/fallback/powc/opr_impl.cpp

@@ -262,10 +262,10 @@ void PowCImpl::do_exec(_megdnn_tensor_in src, _megdnn_tensor_out dst,
 #if !MEGDNN_DISABLE_FLOAT16
         case DTypeTrait<dtype::Float16>::enumv:
 #if __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
-            return MEGDNN_INC_FLOAT16(
+            return DNN_INC_FLOAT16(
                     do_exec_ct<__fp16>(src, dst, exp_f, exp_i));
 #else
-            return MEGDNN_INC_FLOAT16(
+            return DNN_INC_FLOAT16(
                     do_exec_ct<dt_float16>(src, dst, exp_f, exp_i));
 #endif
 #endif

dnn/src/fallback/resize/opr_impl.cpp

@@ -133,7 +133,7 @@ void ResizeImpl::exec(_megdnn_tensor_in src, _megdnn_tensor_in dst,
 
         switch (src.layout.dtype.enumv()) {
             cb(dtype::Float32, float);
-            MEGDNN_INC_FLOAT16(cb(dtype::Float16, dt_float16));
+            DNN_INC_FLOAT16(cb(dtype::Float16, dt_float16));
             cb(dtype::Int8, int8_t);
             cb(dtype::QuantizedS8, int8_t);
             cb(dtype::Uint8, uint8_t);

dnn/src/fallback/warp_perspective/opr_impl.cpp

@@ -93,7 +93,7 @@ void WarpPerspectiveImpl::exec(_megdnn_tensor_in src, _megdnn_tensor_in mat,
 
         switch (src.layout.dtype.enumv()) {
             cb(dtype::Float32, float, float);
-            MEGDNN_INC_FLOAT16(cb(dtype::Float16, dt_float16, float));
+            DNN_INC_FLOAT16(cb(dtype::Float16, dt_float16, float));
             cb(dtype::Int8, int8_t, float);
             cb(dtype::QuantizedS8, int8_t, float);
             cb(dtype::Uint8, uint8_t, float);

dnn/src/naive/batch_normalization/opr_impl.cpp

@@ -224,7 +224,7 @@ void BNForwardImpl::exec(_megdnn_tensor_in src, _megdnn_tensor_in bn_scale,
                variance.layout, batch_mean.layout, batch_inv_variance.layout,
                dst.layout, workspace.size);
 
-    MEGDNN_INC_FLOAT16(if (src.layout.dtype == dtype::Float16() &&
+    DNN_INC_FLOAT16(if (src.layout.dtype == dtype::Float16() &&
                            bn_scale.layout.dtype == dtype::Float32()) {
         MEGDNN_DISPATCH_CPU_KERN_OPR(({
             using T0 = typename DTypeTrait<dtype::Float16>::ctype;
@@ -285,7 +285,7 @@ void BNBackwardImpl::exec(_megdnn_tensor_in x_in, _megdnn_tensor_in dy_in,
                                          bn_scale.layout.total_nr_elems(),
                                          workspace.raw_ptr);
 
-    MEGDNN_INC_FLOAT16(if (x_in.layout.dtype == dtype::Float16() &&
+    DNN_INC_FLOAT16(if (x_in.layout.dtype == dtype::Float16() &&
                            bn_scale.layout.dtype == dtype::Float32()) {
         MEGDNN_DISPATCH_CPU_KERN_OPR(({
             using T0 = typename DTypeTrait<dtype::Float16>::ctype;

dnn/src/naive/convolution/convolution.cpp

@@ -56,10 +56,10 @@ void ConvolutionForwardImpl::exec(_megdnn_tensor_in src,
         DISPATCH(Int8, Int16, dt_int8, dt_int16, dt_int16);
         DISPATCH(Int8, Int32, dt_int8, dt_int32, dt_int32);
         DISPATCH(QuantizedS8, QuantizedS32, dt_int8, dt_int32, dt_int32);
-        MEGDNN_INC_FLOAT16(DISPATCH_CMODE(Float16, Float16, dt_float16,
+        DNN_INC_FLOAT16(DISPATCH_CMODE(Float16, Float16, dt_float16,
                                           dt_float16, dt_float32,
                                           ComputeMode::FLOAT32));
-        MEGDNN_INC_FLOAT16(DISPATCH_CMODE(BFloat16, BFloat16, dt_bfloat16,
+        DNN_INC_FLOAT16(DISPATCH_CMODE(BFloat16, BFloat16, dt_bfloat16,
                                           dt_bfloat16, dt_float32,
                                           ComputeMode::FLOAT32));
         DISPATCH(Quantized8Asymm, QuantizedS32, dt_quint8, dt_qint32,

dnn/src/naive/convolution3d/convolution3d.cpp

@@ -49,7 +49,7 @@ void Convolution3DForwardImpl::exec(_megdnn_tensor_in src,
 #undef cb
                 break;
             case Param::DataType::FLOAT_IO16xC32:
-                MEGDNN_INC_FLOAT16(MEGDNN_DISPATCH_CPU_KERN(
+                DNN_INC_FLOAT16(MEGDNN_DISPATCH_CPU_KERN(
                         static_cast<HandleImpl*>(handle()),
                         convolution3d::forward<
                                 dt_float16 MEGDNN_COMMA dt_float16 MEGDNN_COMMA

dnn/src/naive/group_local/opr_impl.cpp

@@ -149,12 +149,12 @@ void GroupLocalForwardImpl::exec(_megdnn_tensor_in src,
                         dst.ptr<dt_float32>(), N, IC, IH, IW, FH, FW, OC, OH,
                         OW, group, param().pad_h, param().pad_w,
                         param().stride_h, param().stride_w));
-    } else if (MEGDNN_FLOAT16_SELECT(
+    } else if (DNN_FLOAT16_SELECT(
                        src.layout.dtype == dtype::Float16() &&
                                filter.layout.dtype == dtype::Float16() &&
                                dst.layout.dtype == dtype::Float16(),
                        false)) {
-        MEGDNN_INC_FLOAT16(MEGDNN_DISPATCH_CPU_KERN_OPR(forward(
+        DNN_INC_FLOAT16(MEGDNN_DISPATCH_CPU_KERN_OPR(forward(
                 src.ptr<dt_float16>(), filter.ptr<dt_float16>(),
                 dst.ptr<dt_float16>(), N, IC, IH, IW, FH, FW, OC, OH, OW, group,
                 param().pad_h, param().pad_w, param().stride_h,

dnn/src/naive/indexing_multi_axis_vec/opr_impl.cpp

@@ -90,7 +90,7 @@ void dispatch_exec(HandleImpl *handle,
         MEGDNN_FOREACH_COMPUTING_DTYPE(cb)
         cb(::megdnn::dtype::Bool)
         default:
-            megdnn_throw(megdnn_mangle("bad dtype"));
+            megdnn_throw("bad dtype");
     }
 #undef cb
 }

dnn/src/naive/indexing_one_hot/opr_impl.cpp

@@ -99,7 +99,7 @@ void IndexingOneHotForwardImpl::exec(
         MEGDNN_FOREACH_COMPUTING_DTYPE(cb)
         cb(megdnn::dtype::Quantized8Asymm)
         default:
-            megdnn_throw(megdnn_mangle("bad dtype"));
+            megdnn_throw("bad dtype");
     }
 #undef cb
 }
@@ -122,7 +122,7 @@ void IndexingSetOneHotForwardImpl::exec(
         MEGDNN_FOREACH_COMPUTING_DTYPE(cb)
         cb(megdnn::dtype::Quantized8Asymm)
         default:
-            megdnn_throw(megdnn_mangle("bad dtype"));
+            megdnn_throw("bad dtype");
     }
 #undef cb
 }