[pten]Move reduce code new (#38648)

* change 'math' to 'math_kernel'

* fix compile bugs

* merge develop

* fix compile bugs

* fix compile bugs

* move reduce files by new rule

* add set header

* format code style

* merge develop and fix conflict

* merge develop and fix conflict
Co-authored-by: NYuanRisheng <yuanrisheng@baidu.com>

paddle/fluid/operators/reduce_ops/check_reduce_rank_test.cu

@@ -13,7 +13,7 @@
 // limitations under the License.
 
 #include "gtest/gtest.h"
-#include "paddle/pten/kernels/hybird/cuda/reduce/reduce_cuda_impl.h"
+#include "paddle/pten/kernels/gpu/reduce.h"
 
 namespace paddle {
 namespace operators {

paddle/fluid/operators/reduce_ops/reduce_op.cu.h

@@ -32,7 +32,7 @@ namespace cub = hipcub;
 #include "paddle/fluid/framework/tensor.h"
 
 #include "paddle/pten/core/dense_tensor.h"
-#include "paddle/pten/kernels/hybird/cuda/reduce/reduce_cuda_impl.h"
+#include "paddle/pten/kernels/gpu/reduce.h"
 
 namespace paddle {
 namespace operators {

paddle/fluid/operators/reduce_ops/reduce_op.h

@@ -28,10 +28,10 @@ limitations under the License. */
 #include "paddle/pten/api/lib/utils/tensor_utils.h"
 #include "paddle/pten/include/core.h"
 #include "paddle/pten/include/math.h"
-#include "paddle/pten/kernels/hybird/general/reduce_impl.h"
+#include "paddle/pten/kernels/cpu/reduce.h"
 
 #if defined(__HIPCC__) || defined(__NVCC__)
-#include "paddle/pten/kernels/hybird/cuda/reduce/reduce.h"
+#include "paddle/pten/kernels/gpu/reduce.h"
 #endif
 
 namespace paddle {
@@ -259,7 +259,7 @@ class ReduceKernel : public framework::OpKernel<T> {
     std::vector<int64_t> tmp_dims(dims.begin(), dims.end());
 
     // call new kernel
-    pten::general::Reduce<DeviceContext, T, Functor>(
+    pten::Reduce<DeviceContext, T, Functor>(
         dev_ctx, *pt_x.get(), reduce_all, tmp_dims, keep_dim,
         pten::TransToPtenDataType(cast_out_dtype), pt_out.get());
   }

paddle/pten/include/math.h

@@ -45,7 +45,7 @@ DenseTensor Mean(const ContextT& dev_ctx,
           dev_ctx.GetPlace()),
       std::move(out_meta));
   bool reduce_all = false;
-  Mean<T, ContextT>(dev_ctx, x, axis, keep_dim, reduce_all, &dense_out);
+  MeanKernel<T, ContextT>(dev_ctx, x, axis, keep_dim, reduce_all, &dense_out);
   return dense_out;
 }
 
@@ -65,7 +65,7 @@ DenseTensor Sum(const ContextT& dev_ctx,
   // so use default value(false) is OK.
   bool reduce_all = false;
 
-  Sum<T, ContextT>(
+  SumKernel<T, ContextT>(
       dev_ctx, x, axis, keep_dim, reduce_all, out_meta.dtype, &dense_out);
   return dense_out;
 }

paddle/pten/kernels/cpu/math_kernel.cc

@@ -18,13 +18,10 @@
 #include "paddle/pten/backends/cpu/cpu_context.h"
 #include "paddle/pten/common/scalar.h"
 #include "paddle/pten/core/kernel_registry.h"
-
 #include "paddle/pten/kernels/cpu/elementwise_impl.h"
+#include "paddle/pten/kernels/cpu/reduce.h"
 #include "paddle/pten/kernels/funcs/elementwise_functor.h"
 
-#include "paddle/pten/kernels/hybird/eigen/reduce.h"
-#include "paddle/pten/kernels/hybird/general/reduce_impl.h"
-
 // See Note [ Why still include the fluid headers? ]
 #include "paddle/fluid/framework/eigen.h"
 #include "paddle/fluid/platform/bfloat16.h"
@@ -57,14 +54,14 @@ namespace pten {
   }
 
 template <typename T, typename Context>
-void Mean(const Context& dev_ctx,
+void MeanKernel(const Context& dev_ctx,
                 const DenseTensor& x,
                 const std::vector<int64_t>& dims,
                 bool keep_dim,
                 bool reduce_all,
                 DenseTensor* out) {
   auto out_dtype = x.dtype();
-  pten::general::Reduce<CPUContext, T, pten::eigen::MeanFunctor>(
+  pten::Reduce<CPUContext, T, pten::eigen::MeanFunctor>(
       dev_ctx, x, reduce_all, dims, keep_dim, out_dtype, out);
 }
 
@@ -93,14 +90,14 @@ void DivideKernel(const Context& dev_ctx,
 }
 
 template <typename T, typename Context>
-void Sum(const Context& dev_ctx,
+void SumKernel(const Context& dev_ctx,
                const DenseTensor& x,
                const std::vector<int64_t>& dims,
                bool keep_dim,
                bool reduce_all,
                DataType out_dtype,
                DenseTensor* out) {
-  pten::general::Reduce<CPUContext, T, pten::eigen::SumFunctor>(
+  pten::Reduce<CPUContext, T, pten::eigen::SumFunctor>(
       dev_ctx, x, reduce_all, dims, keep_dim, out_dtype, out);
 }
 
@@ -120,8 +117,8 @@ using complex128 = ::paddle::platform::complex<double>;
 
 // NOTE(chenweihang): using bfloat16 will cause redefine with xpu bfloat16
 // using bfloat16 = ::paddle::platform::bfloat16;
-PT_REGISTER_CTX_KERNEL(mean, CPU, ALL_LAYOUT, pten::Mean, float, double, bool) {
-}
+PT_REGISTER_CTX_KERNEL(
+    mean, CPU, ALL_LAYOUT, pten::MeanKernel, float, double, bool) {}
 PT_REGISTER_CTX_KERNEL(add,
                        CPU,
                        ALL_LAYOUT,
@@ -166,7 +163,7 @@ PT_REGISTER_CTX_KERNEL(multiply,
 PT_REGISTER_CTX_KERNEL(sum,
                        CPU,
                        ALL_LAYOUT,
-                       pten::Sum,
+                       pten::SumKernel,
                        bool,
                        float,
                        double,

paddle/pten/kernels/hybird/general/reduce_impl.h → paddle/pten/kernels/cpu/reduce.h

@@ -13,14 +13,15 @@
 // limitations under the License.
 
 #pragma once
-#include "paddle/fluid/platform/transform.h"
+
+#include <set>
+
 #include "paddle/pten/api/ext/dispatch.h"
-#include "paddle/pten/core/dense_tensor.h"
+#include "paddle/pten/backends/cpu/cpu_context.h"
 #include "paddle/pten/kernels/cast_kernel.h"
 #include "paddle/pten/kernels/hybird/eigen/reduce.h"
 
 namespace pten {
-namespace general {
 
 template <typename DeviceContext, typename T, typename Functor>
 void Reduce(const DeviceContext& dev_ctx,
@@ -71,6 +72,4 @@ void Reduce(const DeviceContext& dev_ctx,
   }
 }
 
-}  // namespace general
-
 }  // namespace pten

paddle/pten/kernels/gpu/math_kernel.cu

@@ -16,9 +16,8 @@ limitations under the License. */
 
 #include "paddle/pten/backends/gpu/gpu_context.h"
 #include "paddle/pten/kernels/funcs/elementwise_functor.h"
+#include "paddle/pten/kernels/gpu/reduce.h"
 #include "paddle/pten/kernels/hybird/cuda/elementwise/elementwise.h"
-#include "paddle/pten/kernels/hybird/cuda/reduce/reduce.h"
-#include "paddle/pten/kernels/hybird/general/reduce_impl.h"
 
 #ifdef __NVCC__
 #include "cub/cub.cuh"
@@ -76,7 +75,7 @@ struct DivideFunctor {
  */
 
 template <typename T, typename Context>
-void Mean(const Context& dev_ctx,
+void MeanKernel(const Context& dev_ctx,
                 const DenseTensor& x,
                 const std::vector<int64_t>& dims,
                 bool keep_dim,
@@ -97,7 +96,7 @@ DEFINE_CUDA_ELEMENTWISE_OP(Multiply)
 DEFINE_CUDA_ELEMENTWISE_OP(Divide)
 
 template <typename T, typename Context>
-void Sum(const Context& dev_ctx,
+void SumKernel(const Context& dev_ctx,
                const DenseTensor& x,
                const std::vector<int64_t>& dims,
                bool keep_dim,
@@ -115,7 +114,7 @@ using complex64 = ::paddle::platform::complex<float>;
 using complex128 = ::paddle::platform::complex<double>;
 
 PT_REGISTER_CTX_KERNEL(
-    mean, GPU, ALL_LAYOUT, pten::Mean, float, double, bool, float16) {}
+    mean, GPU, ALL_LAYOUT, pten::MeanKernel, float, double, bool, float16) {}
 PT_REGISTER_CTX_KERNEL(add,
                        GPU,
                        ALL_LAYOUT,
@@ -164,7 +163,7 @@ PT_REGISTER_CTX_KERNEL(multiply,
 PT_REGISTER_CTX_KERNEL(sum,
                        GPU,
                        ALL_LAYOUT,
-                       pten::Sum,
+                       pten::SumKernel,
                        bool,
                        float,
                        double,

paddle/pten/kernels/hybird/cuda/reduce/reduce_cuda_impl.h → paddle/pten/kernels/gpu/reduce.h

@@ -14,6 +14,9 @@
 
 #pragma once
 
+// CUDA and HIP use same api
+#if defined(PADDLE_WITH_CUDA) || defined(PADDLE_WITH_HIP)
+
 #include <algorithm>
 #include <cmath>
 #include <numeric>
@@ -40,6 +43,7 @@ namespace cub = hipcub;
 #include "paddle/fluid/string/string_helper.h"
 
 #include "paddle/pten/api/ext/dispatch.h"
+#include "paddle/pten/backends/gpu/gpu_context.h"
 #include "paddle/pten/core/dense_tensor.h"
 #include "paddle/pten/kernels/cast_kernel.h"
 #include "paddle/pten/kernels/copy_kernel.h"
@@ -1230,4 +1234,48 @@ void TensorReduceFunctorImpl(const pten::DenseTensor& x,
 }
 
 }  // namespace kernels
+
+template <typename T,
+          template <typename> class ReduceOp,
+          template <typename, typename> class TransformOp>
+void Reduce(const GPUContext& dev_ctx,
+            const DenseTensor& x,
+            bool reduce_all,
+            const std::vector<int64_t>& dims,
+            bool keep_dim,
+            DataType out_dtype,
+            DenseTensor* out) {
+  std::vector<int> reduce_dims =
+      pten::kernels::details::GetReduceDim(dims, x.dims().size(), reduce_all);
+
+  int reduce_num = 1;
+  for (auto i : reduce_dims) {
+    reduce_num *= (x.dims())[i];
+  }
+
+  gpuStream_t stream = dev_ctx.stream();
+
+  if (out_dtype != pten::DataType::UNDEFINED && out_dtype != x.dtype()) {
+    PD_DISPATCH_FLOATING_AND_COMPLEX_AND_2_TYPES(
+        pten::DataType::INT32,
+        pten::DataType::INT64,
+        out_dtype,
+        "TensorReduceFunctorImpl",
+        ([&] {
+          using MPType = typename kps::details::MPTypeTrait<data_t>::Type;
+          pten::kernels::TensorReduceFunctorImpl<T,
+                                                 data_t,
+                                                 ReduceOp,
+                                                 TransformOp<T, MPType>>(
+              x, out, TransformOp<T, MPType>(reduce_num), reduce_dims, stream);
+        }));
+  } else {
+    using MPType = typename kps::details::MPTypeTrait<T>::Type;
+    pten::kernels::
+        TensorReduceFunctorImpl<T, T, ReduceOp, TransformOp<T, MPType>>(
+            x, out, TransformOp<T, MPType>(reduce_num), reduce_dims, stream);
+  }
+}
 }  // namespace pten
+
+#endif

paddle/pten/kernels/hybird/cuda/reduce/reduce.h

-// Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#pragma once
-
-// CUDA and HIP use same api
-#if defined(PADDLE_WITH_CUDA) || defined(PADDLE_WITH_HIP)
-
-#include "paddle/pten/api/ext/dispatch.h"
-#include "paddle/pten/backends/gpu/gpu_context.h"
-#include "paddle/pten/common/scalar.h"
-#include "paddle/pten/core/dense_tensor.h"
-#include "paddle/pten/kernels/hybird/cuda/reduce/reduce_cuda_impl.h"
-namespace pten {
-
-template <typename T,
-          template <typename> class ReduceOp,
-          template <typename, typename> class TransformOp>
-void Reduce(const GPUContext& dev_ctx,
-            const DenseTensor& x,
-            bool reduce_all,
-            const std::vector<int64_t>& dims,
-            bool keep_dim,
-            DataType out_dtype,
-            DenseTensor* out) {
-  std::vector<int> reduce_dims =
-      pten::kernels::details::GetReduceDim(dims, x.dims().size(), reduce_all);
-
-  int reduce_num = 1;
-  for (auto i : reduce_dims) {
-    reduce_num *= (x.dims())[i];
-  }
-
-  gpuStream_t stream = dev_ctx.stream();
-
-  if (out_dtype != pten::DataType::UNDEFINED && out_dtype != x.dtype()) {
-    PD_DISPATCH_FLOATING_AND_COMPLEX_AND_2_TYPES(
-        pten::DataType::INT32,
-        pten::DataType::INT64,
-        out_dtype,
-        "TensorReduceFunctorImpl",
-        ([&] {
-          using MPType = typename kps::details::MPTypeTrait<data_t>::Type;
-          pten::kernels::TensorReduceFunctorImpl<T,
-                                                 data_t,
-                                                 ReduceOp,
-                                                 TransformOp<T, MPType>>(
-              x, out, TransformOp<T, MPType>(reduce_num), reduce_dims, stream);
-        }));
-  } else {
-    using MPType = typename kps::details::MPTypeTrait<T>::Type;
-    pten::kernels::
-        TensorReduceFunctorImpl<T, T, ReduceOp, TransformOp<T, MPType>>(
-            x, out, TransformOp<T, MPType>(reduce_num), reduce_dims, stream);
-  }
-}
-
-}  // namespace pten
-
-#endif

paddle/pten/kernels/math_kernel.h

@@ -21,7 +21,7 @@ limitations under the License. */
 namespace pten {
 
 template <typename T, typename Context>
-void Mean(const Context& dev_ctx,
+void MeanKernel(const Context& dev_ctx,
                 const DenseTensor& x,
                 const std::vector<int64_t>& dims,
                 bool keep_dim,
@@ -57,7 +57,7 @@ void MultiplyKernel(const Context& dev_ctx,
                     DenseTensor* out);
 
 template <typename T, typename Context>
-void Sum(const Context& dev_ctx,
+void SumKernel(const Context& dev_ctx,
                const DenseTensor& x,
                const std::vector<int64_t>& dims,
                bool keep_dim,