Files
paddlepaddle--paddle/cmake/cudnn.cmake
T
2026-07-13 12:40:42 +08:00

126 lines
3.8 KiB
CMake

if(NOT WITH_GPU)
return()
endif()
include(${PROJECT_SOURCE_DIR}/cmake/architecture.cmake)
if(WIN32)
set(CUDNN_ROOT ${CUDA_TOOLKIT_ROOT_DIR})
else()
set(CUDNN_ROOT
"/usr"
CACHE PATH "CUDNN ROOT")
endif()
paddle_normalize_target_arch(TARGET_ARCH)
paddle_detect_cuda_target_dir(CUDA_TARGET_DIR)
find_path(
CUDNN_INCLUDE_DIR cudnn.h
PATHS ${CUDNN_ROOT}
${CUDNN_ROOT}/include
${CUDNN_ROOT}/include/${TARGET_ARCH}-linux-gnu
$ENV{CUDNN_ROOT}
$ENV{CUDNN_ROOT}/include
${CUDA_TOOLKIT_INCLUDE}
${CUDA_TOOLKIT_ROOT_DIR}/targets/${CUDA_TARGET_DIR}/include
NO_DEFAULT_PATH)
get_filename_component(__libpath_hist ${CUDA_CUDART_LIBRARY} PATH)
list(
APPEND
CUDNN_CHECK_LIBRARY_DIRS
${CUDNN_ROOT}
${CUDNN_ROOT}/lib64
${CUDNN_ROOT}/lib
${CUDNN_ROOT}/lib/x64
${CUDNN_ROOT}/lib/${TARGET_ARCH}-linux-gnu
${CUDNN_ROOT}/local/cuda-${CUDA_VERSION}/targets/${TARGET_ARCH}-linux/lib/
$ENV{CUDNN_ROOT}
$ENV{CUDNN_ROOT}/lib64
$ENV{CUDNN_ROOT}/lib
$ENV{CUDNN_ROOT}/lib/x64
/usr/lib
${CUDA_TOOLKIT_ROOT_DIR}
${CUDA_TOOLKIT_ROOT_DIR}/lib/x64
${CUDA_TOOLKIT_ROOT_DIR}/targets/${CUDA_TARGET_DIR}/lib64
${CUDA_TOOLKIT_ROOT_DIR}/targets/${CUDA_TARGET_DIR}/lib)
set(CUDNN_LIB_NAME "")
if(LINUX)
set(CUDNN_LIB_NAME "libcudnn.so")
if(${CUDA_VERSION} GREATER_EQUAL 12.6)
set(CUDNN_LIB_NAME "libcudnn.so.9")
endif()
endif()
if(WIN32)
# only support cudnn7
set(CUDNN_LIB_NAME "cudnn.lib" "cudnn64_7.dll")
endif()
if(APPLE)
set(CUDNN_LIB_NAME "libcudnn.dylib" "libcudnn.so")
endif()
find_library(
CUDNN_LIBRARY
NAMES ${CUDNN_LIB_NAME} # libcudnn_static.a
PATHS ${CUDNN_CHECK_LIBRARY_DIRS} ${CUDNN_INCLUDE_DIR} ${__libpath_hist}
NO_DEFAULT_PATH
DOC "Path to cuDNN library.")
if(CUDNN_INCLUDE_DIR AND CUDNN_LIBRARY)
set(CUDNN_FOUND ON)
else()
set(CUDNN_FOUND OFF)
endif()
macro(find_cudnn_version cudnn_header_file)
file(READ ${cudnn_header_file} CUDNN_VERSION_FILE_CONTENTS)
get_filename_component(CUDNN_LIB_PATH ${CUDNN_LIBRARY} DIRECTORY)
string(REGEX MATCH "define CUDNN_VERSION +([0-9]+)" CUDNN_VERSION
"${CUDNN_VERSION_FILE_CONTENTS}")
string(REGEX REPLACE "define CUDNN_VERSION +([0-9]+)" "\\1" CUDNN_VERSION
"${CUDNN_VERSION}")
if("${CUDNN_VERSION}" STREQUAL "2000")
message(STATUS "Current cuDNN version is v2. ")
else()
string(REGEX MATCH "define CUDNN_MAJOR +([0-9]+)" CUDNN_MAJOR_VERSION
"${CUDNN_VERSION_FILE_CONTENTS}")
string(REGEX REPLACE "define CUDNN_MAJOR +([0-9]+)" "\\1"
CUDNN_MAJOR_VERSION "${CUDNN_MAJOR_VERSION}")
string(REGEX MATCH "define CUDNN_MINOR +([0-9]+)" CUDNN_MINOR_VERSION
"${CUDNN_VERSION_FILE_CONTENTS}")
string(REGEX REPLACE "define CUDNN_MINOR +([0-9]+)" "\\1"
CUDNN_MINOR_VERSION "${CUDNN_MINOR_VERSION}")
string(REGEX MATCH "define CUDNN_PATCHLEVEL +([0-9]+)"
CUDNN_PATCHLEVEL_VERSION "${CUDNN_VERSION_FILE_CONTENTS}")
string(REGEX REPLACE "define CUDNN_PATCHLEVEL +([0-9]+)" "\\1"
CUDNN_PATCHLEVEL_VERSION "${CUDNN_PATCHLEVEL_VERSION}")
if(NOT CUDNN_MAJOR_VERSION)
set(CUDNN_VERSION "???")
else()
add_definitions("-DCUDNN_MAJOR_VERSION=\"${CUDNN_MAJOR_VERSION}\"")
math(EXPR CUDNN_VERSION "${CUDNN_MAJOR_VERSION} * 1000 +
${CUDNN_MINOR_VERSION} * 100 + ${CUDNN_PATCHLEVEL_VERSION}")
message(
STATUS
"Current cuDNN header is ${cudnn_header_file} "
"Current cuDNN version is v${CUDNN_MAJOR_VERSION}.${CUDNN_MINOR_VERSION}.${CUDNN_PATCHLEVEL_VERSION}. "
)
endif()
endif()
endmacro()
if(CUDNN_FOUND)
find_cudnn_version(${CUDNN_INCLUDE_DIR}/cudnn.h)
if(NOT CUDNN_MAJOR_VERSION)
find_cudnn_version(${CUDNN_INCLUDE_DIR}/cudnn_version.h)
endif()
endif()