diff --git a/dnn/include/megdnn/common.h b/dnn/include/megdnn/common.h
index 142b8f4c52991f004da564df8a772b4b8f74c211..f0073c59b84a9e6fcc6b450c56a2053596ab39c0 100644
--- a/dnn/include/megdnn/common.h
+++ b/dnn/include/megdnn/common.h
@@ -32,13 +32,8 @@ namespace megdnn {
  */
 template <class Opr, typename... Args>
 bool has_available_algo(Opr* opr, Args&&... args) {
-    const typename Opr::AlgoBase::SizeArgs size_args(opr, std::forward<Args>(args)...);
-    for (auto i : Opr::algo_pack().all_algos) {
-        if (i->is_available(size_args)) {
-            return true;
-        }
-    }
-    return false;
+    auto&& all_algos = opr->get_all_algorithms_info(std::forward<Args>(args)...);
+    return !all_algos.empty();
 }
 
 }  // namespace megdnn
diff --git a/src/gopt/impl/global_layout_transform/opr_format_modifier.cpp b/src/gopt/impl/global_layout_transform/opr_format_modifier.cpp
index 1684cb67a65d55d8018dc89b202dfb6435ef4a66..89fe19e58f8d6218dbf2cfb81abc76bd9532ba85 100644
--- a/src/gopt/impl/global_layout_transform/opr_format_modifier.cpp
+++ b/src/gopt/impl/global_layout_transform/opr_format_modifier.cpp
@@ -157,7 +157,6 @@ struct ConvMaker<opr::BatchConvBiasForward>
                   MakeConvCaller4<megdnn::BatchConvBiasForward>,
                   megdnn::param::BatchConvBias> {};
 
-#if 0
 #include "../../opr/impl/internal/invoke.h"
 template <typename Opr>
 struct MultiAlgoOprTrait;
@@ -202,7 +201,6 @@ INST(ConvolutionBackwardData)
 INST(PoolingForward)
 #undef APPLY
 #undef INST
-#endif
 }  // namespace
 
 namespace mgb {
@@ -291,9 +289,7 @@ VarNode* modify_opr_format(
 #undef cb
 }
 
-#if 0
-bool has_available_algo(const VarNodeArray& i,
-                        const cg::OperatorNodeBase* opr) {
+bool has_available_algo(const VarNodeArray& i, const cg::OperatorNodeBase* opr) {
 #define cb(_Opr)                                                    \
     if (opr->dyn_typeinfo() == _Opr::typeinfo()) {                  \
         MGB_MARK_USED_VAR(MultiAlgoOprTrait<_Opr>::has_algo);       \
@@ -301,13 +297,12 @@ bool has_available_algo(const VarNodeArray& i,
         _.emplace_back(opr->output(0));                             \
         return MultiAlgoOprTrait<_Opr>::has_available_algo(_, opr); \
     } else
-    cb(Convolution) cb(ConvBiasForward) cb(ConvolutionBackwardData)
-            cb(PoolingForward) {
-        mgb_throw(InternalError, "invalid multi-algo operator(got:%s)",
-                  opr->dyn_typeinfo()->name);
+    cb(Convolution) cb(ConvBiasForward) cb(ConvolutionBackwardData) cb(PoolingForward) {
+        mgb_throw(
+                InternalError, "invalid multi-algo operator(got:%s)",
+                opr->dyn_typeinfo()->name);
     }
 }
-#endif
 
 }  // namespace intl
 }  // namespace gopt
diff --git a/src/gopt/impl/global_layout_transform/opr_format_modifier.h b/src/gopt/impl/global_layout_transform/opr_format_modifier.h
index 9ef3700caca4d95fd4677182f292ae1a8b837431..c1d2002859de0593e60e48982420b049bd8b0cfc 100644
--- a/src/gopt/impl/global_layout_transform/opr_format_modifier.h
+++ b/src/gopt/impl/global_layout_transform/opr_format_modifier.h
@@ -21,9 +21,7 @@ namespace intl {
 #define FOREACH_FORMAT_AWARE_OPR(cb)                                                   \
     cb(Convolution) cb(ConvBiasForward) cb(ConvolutionBackwardData) cb(PoolingForward) \
             cb(WarpPerspective) cb(Resize)
-#if 0
 bool has_available_algo(const VarNodeArray& i, const cg::OperatorNodeBase* opr);
-#endif
 
 VarNode* modify_opr_format(
         opr::ConvBias::Param::Format opr_format, const VarNodeArray& i,
diff --git a/src/gopt/impl/global_layout_transform/reformat_manager.cpp b/src/gopt/impl/global_layout_transform/reformat_manager.cpp
index 7e5c6ef70cd67a94c1fb27d2702066d9bc3c89ef..82b9a8629adab6d22ef8a15ba4242608e5ad309d 100644
--- a/src/gopt/impl/global_layout_transform/reformat_manager.cpp
+++ b/src/gopt/impl/global_layout_transform/reformat_manager.cpp
@@ -43,7 +43,8 @@ static inline size_t extra_alignment(
         size_t dtype_bits = dt.is_low_bit() ? dt.low_bit() : dt.size(1) * 8;
         size_t extra_alignment =
                 alignment_in_bits >= dtype_bits ? alignment_in_bits / dtype_bits : 1;
-        if (target_formats == TensorFormats::NHWC)
+        if (target_formats == TensorFormats::NHWC ||
+            target_formats == TensorFormats::KRSC)
             channel_alignment = extra_alignment * channel_alignment /
                                 gcd(channel_alignment, extra_alignment);
         return channel_alignment;
@@ -60,10 +61,12 @@ static inline std::tuple<size_t, size_t> extra_alignment(
         size_t dtype_bits = dt.is_low_bit() ? dt.low_bit() : dt.size(1) * 8;
         size_t extra_alignment =
                 alignment_in_bits >= dtype_bits ? alignment_in_bits / dtype_bits : 1;
-        if (key.input_format == TensorFormats::NHWC)
+        if (key.input_format == TensorFormats::NHWC ||
+            key.input_format == TensorFormats::KRSC)
             input_channel_alignment = input_channel_alignment * extra_alignment /
                                       gcd(input_channel_alignment, extra_alignment);
-        if (key.output_format == TensorFormats::NHWC)
+        if (key.output_format == TensorFormats::NHWC ||
+            key.output_format == TensorFormats::KRSC)
             output_channel_alignment = output_channel_alignment * extra_alignment /
                                        gcd(output_channel_alignment, extra_alignment);
         return std::make_tuple(input_channel_alignment, output_channel_alignment);
diff --git a/src/gopt/include/megbrain/gopt/reformat_manager.h b/src/gopt/include/megbrain/gopt/reformat_manager.h
index 0dea76b5a3d4852af154001829229f641e605c18..7426a568da3f6f82cc5287157c689adc5964109b 100644
--- a/src/gopt/include/megbrain/gopt/reformat_manager.h
+++ b/src/gopt/include/megbrain/gopt/reformat_manager.h
@@ -62,6 +62,16 @@ enum class TensorFormats : uint32_t {
     KCRS = 24,   ///< [K, C, R, S]
     GKCRS = 25,  ///< [G, K, C, R, S]
     C11RS = 26,  ///< [C, 1, 1, R, S]
+
+    // NHWC
+    KRSC = 27,  /// < [K, R, S, C]
+
+    // NCHW32
+    KCRSc32 = 28,  ///<[K, C/32, R, S, C%32]
+    // NCHW64
+    KCRSc64 = 29,  ///<[K, C/64, R, S, C%64]
+    // CHWN4
+    CRSKc4 = 30,  ///< [C/4, R, S, K, C%4]
 };
 
 class ReformatManager : public NonCopyableObj {