remove npu related impl (#38428)

cmake/pten_kernel.cmake

@@ -33,8 +33,6 @@ function(kernel_declare TARGET_LIST)
                 file(APPEND ${kernel_declare_file} "PT_DECLARE_KERNEL(${kernel_name}, GPU, ALL_LAYOUT);\n")
             elseif (${kernel_path} MATCHES "./xpu\/")
                 file(APPEND ${kernel_declare_file} "PT_DECLARE_KERNEL(${kernel_name}, XPU, ALL_LAYOUT);\n")
-            elseif (${kernel_path} MATCHES "./npu\/*")
-                file(APPEND ${kernel_declare_file} "PT_DECLARE_KERNEL(${kernel_name}, NPU, ALL_LAYOUT);\n")
             else ()
                 # deal with device independent kernel, now we use CPU temporaary
                 file(APPEND ${kernel_declare_file} "PT_DECLARE_KERNEL(${kernel_name}, CPU, ALL_LAYOUT);\n")
@@ -48,7 +46,6 @@ function(kernel_library TARGET)
     set(cpu_srcs)
     set(gpu_srcs)
     set(xpu_srcs)
-    set(npu_srcs)
     # parse and save the deps kerenl targets
     set(all_srcs)
     set(kernel_deps)
@@ -77,11 +74,6 @@ function(kernel_library TARGET)
                 list(APPEND xpu_srcs ${CMAKE_CURRENT_SOURCE_DIR}/xpu/${TARGET}.cc)
             endif()
         endif()
-        if (WITH_ASCEND_CL)
-            if (EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/npu/${TARGET}.cc)
-                list(APPEND npu_srcs ${CMAKE_CURRENT_SOURCE_DIR}/npu/${TARGET}.cc)
-            endif()
-        endif()
     else()
         # TODO(chenweihang): impl compile by source later
     endif()
@@ -107,7 +99,6 @@ function(kernel_library TARGET)
     list(LENGTH cpu_srcs cpu_srcs_len)
     list(LENGTH gpu_srcs gpu_srcs_len)
     list(LENGTH xpu_srcs xpu_srcs_len)
-    list(LENGTH npu_srcs npu_srcs_len)
 
     if (${common_srcs_len} GREATER 0)
         # If the kernel has a device independent public implementation,
@@ -124,7 +115,7 @@ function(kernel_library TARGET)
         # If the kernel has a header file declaration, but no corresponding
         # implementation can be found, this is not allowed
         if (${cpu_srcs_len} EQUAL 0 AND ${gpu_srcs_len} EQUAL 0 AND
-            ${xpu_srcs_len} EQUAL 0 AND ${npu_srcs_len} EQUAL 0)
+            ${xpu_srcs_len} EQUAL 0)
             message(FATAL_ERROR "Cannot find any implementation for ${TARGET}")
         else()
             if (WITH_GPU)
@@ -136,15 +127,15 @@ function(kernel_library TARGET)
                     hip_library(${TARGET} SRCS ${cpu_srcs} ${gpu_srcs} DEPS ${kernel_library_DEPS} ${kernel_deps})
                 endif()
             else()
-                if (${cpu_srcs_len} GREATER 0 OR ${xpu_srcs_len} GREATER 0 OR ${npu_srcs_len} GREATER 0)
-                    cc_library(${TARGET} SRCS ${cpu_srcs} ${xpu_srcs} ${npu_srcs} DEPS ${kernel_library_DEPS} ${kernel_deps})
+                if (${cpu_srcs_len} GREATER 0 OR ${xpu_srcs_len} GREATER 0)
+                    cc_library(${TARGET} SRCS ${cpu_srcs} ${xpu_srcs} DEPS ${kernel_library_DEPS} ${kernel_deps})
                 endif()
             endif()
         endif()
     endif()
 
-    if (${common_srcs_len} GREATER 0 OR ${cpu_srcs_len} GREATER 0 OR ${gpu_srcs_len} GREATER 0 OR
-        ${xpu_srcs_len} GREATER 0 OR ${npu_srcs_len} GREATER 0)
+    if (${common_srcs_len} GREATER 0 OR ${cpu_srcs_len} GREATER 0 OR
+        ${gpu_srcs_len} GREATER 0 OR ${xpu_srcs_len} GREATER 0)
         # append target into PTEN_KERNELS property
         get_property(pten_kernels GLOBAL PROPERTY PTEN_KERNELS)
         set(pten_kernels ${pten_kernels} ${TARGET})
@@ -166,9 +157,6 @@ function(kernel_library TARGET)
     if (${xpu_srcs_len} GREATER 0)
         kernel_declare(${xpu_srcs})
     endif()
-    if (${npu_srcs_len} GREATER 0)
-        kernel_declare(${npu_srcs})
-    endif()
 endfunction()
 
 function(register_kernels)

paddle/pten/backends/all_context.h

@@ -22,7 +22,6 @@ limitations under the License. */
 
 #include "paddle/pten/backends/cpu/cpu_context.h"
 #include "paddle/pten/backends/gpu/gpu_context.h"
-#include "paddle/pten/backends/npu/npu_context.h"
 #include "paddle/pten/backends/xpu/xpu_context.h"
 
 namespace pten {

paddle/pten/backends/npu/npu_context.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
-
-#ifdef PADDLE_WITH_ASCEND_CL
-
-// See Note [ Why still include the fluid headers? ]
-#include "paddle/fluid/platform/device_context.h"
-
-namespace pten {
-using NPUContext = paddle::platform::NPUDeviceContext;
-}  // namespace pten
-
-#endif  // PADDLE_WITH_ASCEND_CL

paddle/pten/core/kernel_utils.h

@@ -183,9 +183,6 @@ struct KernelImpl<Return (*)(DevCtx, Args...), kernel_fn> {
 #if defined(PADDLE_WITH_CUDA) || defined(PADDLE_WITH_HIP)
   PT_SPECIALIZE_KernelCallHelper_FOR_DEVICE_CONTEXT(GPUContext);
 #endif
-#ifdef PADDLE_WITH_ASCEND_CL
-  PT_SPECIALIZE_KernelCallHelper_FOR_DEVICE_CONTEXT(NPUContext);
-#endif
 #ifdef PADDLE_WITH_XPU
   PT_SPECIALIZE_KernelCallHelper_FOR_DEVICE_CONTEXT(XPUContext);
 #endif

paddle/pten/kernels/CMakeLists.txt

@@ -17,9 +17,6 @@ if(WITH_MKLDNN)
   # mkldnn will be deprecated and use the new name dnnl
   add_subdirectory(dnnl)
 endif()
-if(WITH_ASCEND_CL)
-  add_subdirectory(npu)
-endif()
 if(WITH_XPU)
   add_subdirectory(xpu)
 endif()