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108 lines
3.4 KiB
108 lines
3.4 KiB
if(NOT WITH_GPU)
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return()
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endif()
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if(WIN32)
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set(CUDNN_ROOT ${CUDA_TOOLKIT_ROOT_DIR})
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else(WIN32)
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set(CUDNN_ROOT "/usr" CACHE PATH "CUDNN ROOT")
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endif(WIN32)
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find_path(CUDNN_INCLUDE_DIR cudnn.h
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PATHS ${CUDNN_ROOT} ${CUDNN_ROOT}/include
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$ENV{CUDNN_ROOT} $ENV{CUDNN_ROOT}/include ${CUDA_TOOLKIT_INCLUDE}
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NO_DEFAULT_PATH
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)
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get_filename_component(__libpath_hist ${CUDA_CUDART_LIBRARY} PATH)
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set(TARGET_ARCH "x86_64")
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if(NOT ${CMAKE_SYSTEM_PROCESSOR})
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set(TARGET_ARCH ${CMAKE_SYSTEM_PROCESSOR})
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endif()
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list(APPEND CUDNN_CHECK_LIBRARY_DIRS
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${CUDNN_ROOT}
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${CUDNN_ROOT}/lib64
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${CUDNN_ROOT}/lib
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${CUDNN_ROOT}/lib/${TARGET_ARCH}-linux-gnu
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${CUDNN_ROOT}/local/cuda-${CUDA_VERSION}/targets/${TARGET_ARCH}-linux/lib/
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$ENV{CUDNN_ROOT}
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$ENV{CUDNN_ROOT}/lib64
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$ENV{CUDNN_ROOT}/lib
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/usr/lib
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${CUDA_TOOLKIT_ROOT_DIR}
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${CUDA_TOOLKIT_ROOT_DIR}/lib/x64
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)
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set(CUDNN_LIB_NAME "")
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if (LINUX)
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set(CUDNN_LIB_NAME "libcudnn.so")
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endif(LINUX)
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if(WIN32)
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# only support cudnn7
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set(CUDNN_LIB_NAME "cudnn.lib" "cudnn64_7.dll")
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endif(WIN32)
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if(APPLE)
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set(CUDNN_LIB_NAME "libcudnn.dylib" "libcudnn.so")
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endif(APPLE)
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find_library(CUDNN_LIBRARY NAMES ${CUDNN_LIB_NAME} # libcudnn_static.a
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PATHS ${CUDNN_CHECK_LIBRARY_DIRS} ${CUDNN_INCLUDE_DIR} ${__libpath_hist}
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NO_DEFAULT_PATH
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DOC "Path to cuDNN library.")
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if(CUDNN_INCLUDE_DIR AND CUDNN_LIBRARY)
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set(CUDNN_FOUND ON)
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else()
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set(CUDNN_FOUND OFF)
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endif()
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macro(find_cudnn_version cudnn_header_file)
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file(READ ${cudnn_header_file} CUDNN_VERSION_FILE_CONTENTS)
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get_filename_component(CUDNN_LIB_PATH ${CUDNN_LIBRARY} DIRECTORY)
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string(REGEX MATCH "define CUDNN_VERSION +([0-9]+)"
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CUDNN_VERSION "${CUDNN_VERSION_FILE_CONTENTS}")
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string(REGEX REPLACE "define CUDNN_VERSION +([0-9]+)" "\\1"
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CUDNN_VERSION "${CUDNN_VERSION}")
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if("${CUDNN_VERSION}" STREQUAL "2000")
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message(STATUS "Current cuDNN version is v2. ")
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else()
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string(REGEX MATCH "define CUDNN_MAJOR +([0-9]+)" CUDNN_MAJOR_VERSION
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"${CUDNN_VERSION_FILE_CONTENTS}")
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string(REGEX REPLACE "define CUDNN_MAJOR +([0-9]+)" "\\1"
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CUDNN_MAJOR_VERSION "${CUDNN_MAJOR_VERSION}")
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string(REGEX MATCH "define CUDNN_MINOR +([0-9]+)" CUDNN_MINOR_VERSION
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"${CUDNN_VERSION_FILE_CONTENTS}")
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string(REGEX REPLACE "define CUDNN_MINOR +([0-9]+)" "\\1"
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CUDNN_MINOR_VERSION "${CUDNN_MINOR_VERSION}")
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string(REGEX MATCH "define CUDNN_PATCHLEVEL +([0-9]+)"
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CUDNN_PATCHLEVEL_VERSION "${CUDNN_VERSION_FILE_CONTENTS}")
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string(REGEX REPLACE "define CUDNN_PATCHLEVEL +([0-9]+)" "\\1"
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CUDNN_PATCHLEVEL_VERSION "${CUDNN_PATCHLEVEL_VERSION}")
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if(NOT CUDNN_MAJOR_VERSION)
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set(CUDNN_VERSION "???")
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else()
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add_definitions("-DCUDNN_MAJOR_VERSION=\"${CUDNN_MAJOR_VERSION}\"")
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math(EXPR CUDNN_VERSION
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"${CUDNN_MAJOR_VERSION} * 1000 +
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${CUDNN_MINOR_VERSION} * 100 + ${CUDNN_PATCHLEVEL_VERSION}")
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message(STATUS "Current cuDNN header is ${cudnn_header_file} "
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"Current cuDNN version is v${CUDNN_MAJOR_VERSION}.${CUDNN_MINOR_VERSION}. ")
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endif()
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endif()
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endmacro()
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if(CUDNN_FOUND)
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find_cudnn_version(${CUDNN_INCLUDE_DIR}/cudnn.h)
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if (NOT CUDNN_MAJOR_VERSION)
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find_cudnn_version(${CUDNN_INCLUDE_DIR}/cudnn_version.h)
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endif()
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endif()
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