Builtin cuda (#24904)

* support CUDA using cmake built-in way (#24395)

* support CUDA using cmake built-in way. test=develop

* test=develop

* cmake_minimum_required 3.10

* test=develop

CMakeLists.txt

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License
 
-cmake_minimum_required(VERSION 3.0)
+cmake_minimum_required(VERSION 3.10)
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 set(PADDLE_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
 set(PADDLE_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
@@ -20,6 +20,19 @@ set(PADDLE_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
 include(system)
 
 project(paddle CXX C)
+
+include(init)
+
+# enable language CUDA
+# TODO(Shibo Tao): remove find_package(CUDA) completely.
+find_package(CUDA QUIET)
+option(WITH_GPU         "Compile PaddlePaddle with NVIDIA GPU"          ${CUDA_FOUND})
+if(WITH_GPU AND NOT APPLE)
+    enable_language(CUDA)
+    message(STATUS "CUDA compiler: ${CMAKE_CUDA_COMPILER}, version: "
+        "${CMAKE_CUDA_COMPILER_ID} ${CMAKE_CUDA_COMPILER_VERSION}")
+endif()
+
 message(STATUS "CXX compiler: ${CMAKE_CXX_COMPILER}, version: "
         "${CMAKE_CXX_COMPILER_ID} ${CMAKE_CXX_COMPILER_VERSION}")
 message(STATUS "C compiler: ${CMAKE_C_COMPILER}, version: "
@@ -52,14 +65,12 @@ else(WIN32)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-error=deprecated-declarations -Wno-deprecated-declarations")
 endif(WIN32)
 
-find_package(CUDA QUIET)
 find_package(Git REQUIRED)
 find_package(Threads REQUIRED)
 
 include(simd)
 
 ################################ Exposed Configurations #######################################
-option(WITH_GPU         "Compile PaddlePaddle with NVIDIA GPU"          ${CUDA_FOUND})
 option(WITH_DSO         "Compile PaddlePaddle with dynamic linked CUDA" ON)
 option(WITH_AVX         "Compile PaddlePaddle with AVX intrinsics"      ${AVX_FOUND})
 option(WITH_PYTHON      "Compile PaddlePaddle with python interpreter"  ON)

cmake/configure.cmake

@@ -77,7 +77,7 @@ if(WITH_GPU)
 
     FIND_PACKAGE(CUDA REQUIRED)
 
-    if(${CUDA_VERSION_MAJOR} VERSION_LESS 7)
+    if(${CMAKE_CUDA_COMPILER_VERSION} VERSION_LESS 7)
         message(FATAL_ERROR "Paddle needs CUDA >= 7.0 to compile")
     endif()
 
@@ -90,7 +90,7 @@ if(WITH_GPU)
     else()
         message(STATUS "Cannot find CUPTI, GPU Profiling is incorrect.")
     endif()
-    set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} "-Xcompiler ${SIMD_FLAG}")
+    set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -Xcompiler=\"${SIMD_FLAG}\"")
 
     # Include cuda and cudnn
     include_directories(${CUDNN_INCLUDE_DIR})
@@ -98,11 +98,11 @@ if(WITH_GPU)
 
     if(TENSORRT_FOUND)
         if(WIN32)
-            if(${CUDA_VERSION_MAJOR} VERSION_LESS 9)
+            if(${CMAKE_CUDA_COMPILER_VERSION} VERSION_LESS 9)
                 message(FATAL_ERROR "TensorRT needs CUDA >= 9.0 to compile on Windows")
             endif()
         else()
-            if(${CUDA_VERSION_MAJOR} VERSION_LESS 8)
+            if(${CMAKE_CUDA_COMPILER_VERSION} VERSION_LESS 8)
                 message(FATAL_ERROR "TensorRT needs CUDA >= 8.0 to compile")
             endif()
             if(${CUDNN_MAJOR_VERSION} VERSION_LESS 7)

cmake/cuda.cmake

@@ -104,12 +104,12 @@ function(select_nvcc_arch_flags out_variable)
   elseif(${CUDA_ARCH_NAME} STREQUAL "Pascal")
     set(cuda_arch_bin "60 61")
   elseif(${CUDA_ARCH_NAME} STREQUAL "Volta")
-    if (NOT ${CUDA_VERSION} LESS 10.0)
+    if (NOT ${CMAKE_CUDA_COMPILER_VERSION} LESS 10.0)
       add_definitions("-DSUPPORTS_CUDA_FP16")
     endif()
     set(cuda_arch_bin "70")
   elseif(${CUDA_ARCH_NAME} STREQUAL "Turing")
-    if (NOT ${CUDA_VERSION} LESS 10.0)
+    if (NOT ${CMAKE_CUDA_COMPILER_VERSION} LESS 10.0)
       add_definitions("-DSUPPORTS_CUDA_FP16")
     endif()
     set(cuda_arch_bin "75")
@@ -142,19 +142,19 @@ function(select_nvcc_arch_flags out_variable)
   foreach(arch ${cuda_arch_bin})
     if(arch MATCHES "([0-9]+)\\(([0-9]+)\\)")
       # User explicitly specified PTX for the concrete BIN
-      list(APPEND nvcc_flags -gencode arch=compute_${CMAKE_MATCH_2},code=sm_${CMAKE_MATCH_1})
-      list(APPEND nvcc_archs_readable sm_${CMAKE_MATCH_1})
+      string(APPEND nvcc_flags " -gencode arch=compute_${CMAKE_MATCH_2},code=sm_${CMAKE_MATCH_1}")
+      string(APPEND nvcc_archs_readable " sm_${CMAKE_MATCH_1}")
     else()
       # User didn't explicitly specify PTX for the concrete BIN, we assume PTX=BIN
-      list(APPEND nvcc_flags -gencode arch=compute_${arch},code=sm_${arch})
-      list(APPEND nvcc_archs_readable sm_${arch})
+      string(APPEND nvcc_flags " -gencode arch=compute_${arch},code=sm_${arch}")
+      string(APPEND nvcc_archs_readable " sm_${arch}")
     endif()
   endforeach()
 
   # Tell NVCC to add PTX intermediate code for the specified architectures
   foreach(arch ${cuda_arch_ptx})
-    list(APPEND nvcc_flags -gencode arch=compute_${arch},code=compute_${arch})
-    list(APPEND nvcc_archs_readable compute_${arch})
+    string(APPEND nvcc_flags " -gencode arch=compute_${arch},code=compute_${arch}")
+    string(APPEND nvcc_archs_readable " compute_${arch}")
   endforeach()
 
   string(REPLACE ";" " " nvcc_archs_readable "${nvcc_archs_readable}")
@@ -162,32 +162,32 @@ function(select_nvcc_arch_flags out_variable)
   set(${out_variable}_readable ${nvcc_archs_readable} PARENT_SCOPE)
 endfunction()
 
-message(STATUS "CUDA detected: " ${CUDA_VERSION})
-if (${CUDA_VERSION} LESS 7.0)
+message(STATUS "CUDA detected: " ${CMAKE_CUDA_COMPILER_VERSION})
+if (${CMAKE_CUDA_COMPILER_VERSION} LESS 7.0)
   set(paddle_known_gpu_archs ${paddle_known_gpu_archs})
-elseif (${CUDA_VERSION} LESS 8.0) # CUDA 7.x
+elseif (${CMAKE_CUDA_COMPILER_VERSION} LESS 8.0) # CUDA 7.x
   set(paddle_known_gpu_archs ${paddle_known_gpu_archs7})
-  list(APPEND CUDA_NVCC_FLAGS "-D_MWAITXINTRIN_H_INCLUDED")
-  list(APPEND CUDA_NVCC_FLAGS "-D__STRICT_ANSI__")
-elseif (${CUDA_VERSION} LESS 9.0) # CUDA 8.x
+  set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -D_MWAITXINTRIN_H_INCLUDED")
+  set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -D__STRICT_ANSI__")
+elseif (${CMAKE_CUDA_COMPILER_VERSION} LESS 9.0) # CUDA 8.x
   set(paddle_known_gpu_archs ${paddle_known_gpu_archs8})
-  list(APPEND CUDA_NVCC_FLAGS "-D_MWAITXINTRIN_H_INCLUDED")
-  list(APPEND CUDA_NVCC_FLAGS "-D__STRICT_ANSI__")
+  set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -D_MWAITXINTRIN_H_INCLUDED")
+  set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -D__STRICT_ANSI__")
   # CUDA 8 may complain that sm_20 is no longer supported. Suppress the
   # warning for now.
-  list(APPEND CUDA_NVCC_FLAGS "-Wno-deprecated-gpu-targets")
-elseif (${CUDA_VERSION} LESS 10.0) # CUDA 9.x
+  set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -Wno-deprecated-gpu-targets")
+elseif (${CMAKE_CUDA_COMPILER_VERSION} LESS 10.0) # CUDA 9.x
   set(paddle_known_gpu_archs ${paddle_known_gpu_archs9})
-  list(APPEND CUDA_NVCC_FLAGS "-D_MWAITXINTRIN_H_INCLUDED")
-  list(APPEND CUDA_NVCC_FLAGS "-D__STRICT_ANSI__")
-elseif (${CUDA_VERSION} LESS 11.0) # CUDA 10.x
+  set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -D_MWAITXINTRIN_H_INCLUDED")
+  set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -D__STRICT_ANSI__")
+elseif (${CMAKE_CUDA_COMPILER_VERSION} LESS 11.0) # CUDA 10.x
   set(paddle_known_gpu_archs ${paddle_known_gpu_archs10})
-  list(APPEND CUDA_NVCC_FLAGS "-D_MWAITXINTRIN_H_INCLUDED")
-  list(APPEND CUDA_NVCC_FLAGS "-D__STRICT_ANSI__")
+  set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -D_MWAITXINTRIN_H_INCLUDED")
+  set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -D__STRICT_ANSI__")
 endif()
-add_definitions("-DPADDLE_CUDA_BINVER=\"${CUDA_VERSION_MAJOR}${CUDA_VERSION_MINOR}\"")
 
-include_directories(${CUDA_INCLUDE_DIRS})
+message(STATUS "PADDLE_CUDA_BINVER=${CUDA_VERSION_MAJOR}${CUDA_VERSION_MINOR}")
+
 if(NOT WITH_DSO)
     if(WIN32)
       set_property(GLOBAL PROPERTY CUDA_MODULES ${CUDNN_LIBRARY} ${CUDA_CUBLAS_LIBRARIES} ${CUDA_curand_LIBRARY} ${CUDA_cusolver_LIBRARY})
@@ -196,37 +196,24 @@ endif(NOT WITH_DSO)
 
 # setting nvcc arch flags
 select_nvcc_arch_flags(NVCC_FLAGS_EXTRA)
-list(APPEND CUDA_NVCC_FLAGS ${NVCC_FLAGS_EXTRA})
-message(STATUS "Added CUDA NVCC flags for: ${NVCC_FLAGS_EXTRA_readable}")
+set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} ${NVCC_FLAGS_EXTRA}")
+message(STATUS "NVCC_FLAGS_EXTRA: ${NVCC_FLAGS_EXTRA}")
 
 # Set C++11 support
 set(CUDA_PROPAGATE_HOST_FLAGS OFF)
-
 # Release/Debug flags set by cmake. Such as -O3 -g -DNDEBUG etc.
 # So, don't set these flags here.
-if (NOT WIN32) # windows msvc2015 support c++11 natively. 
-  # -std=c++11 -fPIC not recoginize by msvc, -Xcompiler will be added by cmake.
-  list(APPEND CUDA_NVCC_FLAGS "-std=c++11")
-  list(APPEND CUDA_NVCC_FLAGS "-Xcompiler -fPIC")
+if (NOT WIN32) # windows msvc2015 support c++11 natively.
+    # -std=c++11 -fPIC not recoginize by msvc, -Xcompiler will be added by cmake.
+  set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -std=c++11")
 endif(NOT WIN32)
 
-# in cuda9, suppress cuda warning on eigen 
-list(APPEND CUDA_NVCC_FLAGS "-w")
+# in cuda9, suppress cuda warning on eigen
+set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -w")
 # Set :expt-relaxed-constexpr to suppress Eigen warnings
-list(APPEND CUDA_NVCC_FLAGS "--expt-relaxed-constexpr")
+set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} --expt-relaxed-constexpr")
 
-if (NOT WIN32)
-  if(CMAKE_BUILD_TYPE  STREQUAL "Debug")
-      list(APPEND CUDA_NVCC_FLAGS  ${CMAKE_CXX_FLAGS_DEBUG})
-  elseif(CMAKE_BUILD_TYPE  STREQUAL "Release")
-      list(APPEND CUDA_NVCC_FLAGS  ${CMAKE_CXX_FLAGS_RELEASE})
-  elseif(CMAKE_BUILD_TYPE  STREQUAL "RelWithDebInfo")
-      list(APPEND CUDA_NVCC_FLAGS  ${CMAKE_CXX_FLAGS_RELWITHDEBINFO})
-  elseif(CMAKE_BUILD_TYPE  STREQUAL "MinSizeRel")
-      # nvcc 9 does not support -Os. Use Release flags instead
-      list(APPEND CUDA_NVCC_FLAGS  ${CMAKE_CXX_FLAGS_RELEASE})
-  endif()
-else(NOT WIN32)
+if (WIN32)
   list(APPEND CUDA_NVCC_FLAGS  "-Xcompiler \"/wd 4244 /wd 4267 /wd 4819\"")
   list(APPEND CUDA_NVCC_FLAGS  "--compiler-options;/bigobj")
   if(MSVC_STATIC_CRT)
@@ -241,9 +228,9 @@ else(NOT WIN32)
   elseif(CMAKE_BUILD_TYPE STREQUAL "Release")
     list(APPEND CUDA_NVCC_FLAGS "-O3 -DNDEBUG")
   else()
-  message(FATAL "Windows only support Release or Debug build now. Please set visual studio build type to Release/Debug, x64 build.")
-endif()
-endif(NOT WIN32)
+    message(FATAL "Windows only support Release or Debug build now. Please set visual studio build type to Release/Debug, x64 build.")
+  endif()
+endif(WIN32)
 
 mark_as_advanced(CUDA_BUILD_CUBIN CUDA_BUILD_EMULATION CUDA_VERBOSE_BUILD)
 mark_as_advanced(CUDA_SDK_ROOT_DIR CUDA_SEPARABLE_COMPILATION)

cmake/flags.cmake

@@ -76,7 +76,7 @@ macro(safe_set_nvflag flag_name)
     CHECK_C_COMPILER_FLAG(${flag_name} C_COMPILER_SUPPORT_FLAG_${safe_name})
     set(safe_name C_COMPILER_SUPPORT_FLAG_${safe_name})
     if(${safe_name})
-        LIST(APPEND CUDA_NVCC_FLAGS -Xcompiler ${flag_name})
+        set(SAFE_GPU_COMMON_FLAGS "${SAFE_GPU_COMMON_FLAGS} -Xcompiler=\"${flag_name}\"")
     endif()
 endmacro()
 
@@ -169,7 +169,7 @@ if(NOT APPLE)
                 -Wno-error=nonnull-compare # Warning in boost gcc 8.2
                 -Wno-error=address # Warning in boost gcc 8.2
                 -Wno-ignored-qualifiers # Warning in boost gcc 8.2
-                -Wno-ignored-attributes # Warning in Eigen gcc 8.3 
+                -Wno-ignored-attributes # Warning in Eigen gcc 8.3
                 -Wno-parentheses # Warning in Eigen gcc 8.3
                 )
     endif()
@@ -187,7 +187,7 @@ set(GPU_COMMON_FLAGS
     -Wno-error=unused-function  # Warnings in Numpy Header.
     -Wno-error=array-bounds # Warnings in Eigen::array
 )
-if (NOT WITH_NV_JETSON) 
+if (NOT WITH_NV_JETSON)
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m64")
 endif()
 endif(NOT WIN32)
@@ -212,10 +212,14 @@ foreach(flag ${COMMON_FLAGS})
     safe_set_cxxflag(CMAKE_CXX_FLAGS ${flag})
 endforeach()
 
+set(SAFE_GPU_COMMON_FLAGS "")
 foreach(flag ${GPU_COMMON_FLAGS})
     safe_set_nvflag(${flag})
 endforeach()
 
+set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} ${SAFE_GPU_COMMON_FLAGS}")
+
+
 if(WIN32 AND MSVC_STATIC_CRT)
     # windows build turn off warnings.
     safe_set_static_flag()

cmake/generic.cmake

@@ -411,10 +411,14 @@ function(nv_library TARGET_NAME)
     set(multiValueArgs SRCS DEPS)
     cmake_parse_arguments(nv_library "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
     if(nv_library_SRCS)
+      # Attention:
+      # 1. cuda_add_library is deprecated after cmake v3.10, use add_library for CUDA please.
+      # 2. cuda_add_library does not support ccache.
+      # Reference: https://cmake.org/cmake/help/v3.10/module/FindCUDA.html
       if (nv_library_SHARED OR nv_library_shared) # build *.so
-        cuda_add_library(${TARGET_NAME} SHARED ${nv_library_SRCS})
+        add_library(${TARGET_NAME} SHARED ${nv_library_SRCS})
       else()
-        cuda_add_library(${TARGET_NAME} STATIC ${nv_library_SRCS})
+        add_library(${TARGET_NAME} STATIC ${nv_library_SRCS})
         find_fluid_modules(${TARGET_NAME})
       endif()
       if (nv_library_DEPS)
@@ -449,7 +453,7 @@ function(nv_binary TARGET_NAME)
     set(oneValueArgs "")
     set(multiValueArgs SRCS DEPS)
     cmake_parse_arguments(nv_binary "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
-    cuda_add_executable(${TARGET_NAME} ${nv_binary_SRCS})
+    add_executable(${TARGET_NAME} ${nv_binary_SRCS})
     if(nv_binary_DEPS)
       target_link_libraries(${TARGET_NAME} ${nv_binary_DEPS})
       add_dependencies(${TARGET_NAME} ${nv_binary_DEPS})
@@ -463,7 +467,11 @@ function(nv_test TARGET_NAME)
     set(oneValueArgs "")
     set(multiValueArgs SRCS DEPS)
     cmake_parse_arguments(nv_test "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
-    cuda_add_executable(${TARGET_NAME} ${nv_test_SRCS})
+    # Attention:
+    # 1. cuda_add_executable is deprecated after cmake v3.10, use cuda_add_executable for CUDA please.
+    # 2. cuda_add_executable does not support ccache.
+    # Reference: https://cmake.org/cmake/help/v3.10/module/FindCUDA.html
+    add_executable(${TARGET_NAME} ${nv_test_SRCS})
     get_property(os_dependency_modules GLOBAL PROPERTY OS_DEPENDENCY_MODULES)
     target_link_libraries(${TARGET_NAME} ${nv_test_DEPS} paddle_gtest_main lod_tensor memory gtest gflags glog ${os_dependency_modules})
     add_dependencies(${TARGET_NAME} ${nv_test_DEPS} paddle_gtest_main lod_tensor memory gtest gflags glog)

cmake/init.cmake

+# Attention: cmake will append these flags to compile command automatically.
+# So if you want to add global option, change this file rather than flags.cmake
+
+# default: "-g"
+set(CMAKE_C_FLAGS_DEBUG "-g")
+# default: "-O3 -DNDEBUG"
+set(CMAKE_C_FLAGS_RELEASE "-O3 -DNDEBUG")
+# default: "-O2 -g -DNDEBUG"
+set(CMAKE_C_FLAGS_RELWITHDEBINFO "-O2 -g -DNDEBUG")
+# default: "-Os -DNDEBUG"
+set(CMAKE_C_FLAGS_MINSIZEREL "-Os -DNDEBUG")
+
+# default: "-g"
+set(CMAKE_CXX_FLAGS_DEBUG "-g")
+# default: "-O3 -DNDEBUG"
+set(CMAKE_CXX_FLAGS_RELEASE "-O3 -DNDEBUG")
+# default: "-O2 -g -DNDEBUG"
+set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g -DNDEBUG")
+# default: "-Os -DNDEBUG"
+set(CMAKE_CXX_FLAGS_MINSIZEREL "-Os -DNDEBUG")
+
+# default: "-g"
+set(CMAKE_CUDA_FLAGS_DEBUG "-g")
+# default: "-O3 -DNDEBUG"
+set(CMAKE_CUDA_FLAGS_RELEASE "-O3 -DNDEBUG")
+# default: "-O2 -g -DNDEBUG"
+set(CMAKE_CUDA_FLAGS_RELWITHDEBINFO "-O2 -g -DNDEBUG")
+# default: "-O1 -DNDEBUG"
+set(CMAKE_CUDA_FLAGS_MINSIZEREL "-O1 -DNDEBUG")