[phi] move matrix_power op

paddle/fluid/operators/matrix_power_op.cc

@@ -12,7 +12,10 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#include "paddle/fluid/operators/matrix_power_op.h"
+#include <memory>
+#include <vector>
+#include "paddle/fluid/framework/op_registry.h"
+#include "paddle/fluid/framework/tensor_util.h"
 
 namespace paddle {
 namespace operators {
@@ -119,13 +122,3 @@ REGISTER_OPERATOR(matrix_power, ops::MatrixPowerOp, ops::MatrixPowerOpMaker,
                   ops::MatrixPowerGradOpMaker<paddle::imperative::OpBase>);
 
 REGISTER_OPERATOR(matrix_power_grad, ops::MatrixPowerGradOp);
-
-REGISTER_OP_CPU_KERNEL(
-    matrix_power,
-    ops::MatrixPowerKernel<paddle::platform::CPUDeviceContext, float>,
-    ops::MatrixPowerKernel<paddle::platform::CPUDeviceContext, double>);
-
-REGISTER_OP_CPU_KERNEL(
-    matrix_power_grad,
-    ops::MatrixPowerGradKernel<paddle::platform::CPUDeviceContext, float>,
-    ops::MatrixPowerGradKernel<paddle::platform::CPUDeviceContext, double>);

paddle/phi/kernels/CMakeLists.txt

@@ -27,7 +27,7 @@ kernel_library(full_kernel DEPS ${COMMON_KERNEL_DEPS} empty_kernel)
 # Some kernels depend on some targets that are not commonly used.
 # These targets are not suitable for common dependencies.
 # In this case, you need to manually generate them here.
-set(MANUAL_BUILD_KERNELS math_kernel softmax_kernel softmax_grad_kernel triangular_solve_grad_kernel maxout_kernel maxout_grad_kernel put_along_axis_kernel put_along_axis_grad_kernel take_along_axis_kernel take_along_axis_grad_kernel eigh_kernel)
+set(MANUAL_BUILD_KERNELS math_kernel softmax_kernel softmax_grad_kernel triangular_solve_grad_kernel maxout_kernel maxout_grad_kernel put_along_axis_kernel put_along_axis_grad_kernel take_along_axis_kernel take_along_axis_grad_kernel matrix_power_kernel matrix_power_grad_kernel eigh_kernel)
 kernel_library(math_kernel DEPS ${COMMON_KERNEL_DEPS} cast_kernel copy_kernel)
 kernel_library(softmax_kernel DEPS ${COMMON_KERNEL_DEPS} softmax)
 kernel_library(softmax_grad_kernel DEPS ${COMMON_KERNEL_DEPS} softmax)
@@ -38,6 +38,8 @@ kernel_library(put_along_axis_kernel DEPS ${COMMON_KERNEL_DEPS} gather_scatter_k
 kernel_library(put_along_axis_grad_kernel DEPS ${COMMON_KERNEL_DEPS} gather_scatter_kernel)
 kernel_library(take_along_axis_kernel DEPS ${COMMON_KERNEL_DEPS} gather_scatter_kernel)
 kernel_library(take_along_axis_grad_kernel DEPS ${COMMON_KERNEL_DEPS} gather_scatter_kernel)
+kernel_library(matrix_power_kernel DEPS ${COMMON_KERNEL_DEPS} matrix_inverse)
+kernel_library(matrix_power_grad_kernel DEPS ${COMMON_KERNEL_DEPS} matrix_inverse)
 kernel_library(eigh_kernel DEPS ${COMMON_KERNEL_DEPS} lapack_function)
 
 # 4. auto parse and build kernel targets by cmake

paddle/phi/kernels/cpu/matrix_power_grad_kernel.cc

@@ -0,0 +1,26 @@
+/* Copyright (c) 2022 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. */
+
+#include "paddle/phi/kernels/matrix_power_grad_kernel.h"
+#include "paddle/phi/kernels/impl/matrix_power_grad_kernel_impl.h"
+
+#include "paddle/phi/backends/cpu/cpu_context.h"
+#include "paddle/phi/core/kernel_registry.h"
+
+PD_REGISTER_KERNEL(matrix_power_grad,
+                   CPU,
+                   ALL_LAYOUT,
+                   phi::MatrixPowerGradKernel,
+                   float,
+                   double) {}

paddle/phi/kernels/cpu/matrix_power_kernel.cc

@@ -0,0 +1,22 @@
+/* Copyright (c) 2022 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. */
+
+#include "paddle/phi/kernels/matrix_power_kernel.h"
+#include "paddle/phi/kernels/impl/matrix_power_kernel_impl.h"
+
+#include "paddle/phi/backends/cpu/cpu_context.h"
+#include "paddle/phi/core/kernel_registry.h"
+
+PD_REGISTER_KERNEL(
+    matrix_power, CPU, ALL_LAYOUT, phi::MatrixPowerKernel, float, double) {}