File size: 2,233 Bytes
f5bb0c0 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | set(CUDNN_ROOT "" CACHE PATH "CUDNN root folder")
set(CUDNN_LIB_NAME "libcudnn.so")
find_path(CUDNN_INCLUDE cudnn.h
PATHS ${CUDNN_ROOT} $ENV{CUDNN_ROOT} ${CUDA_TOOLKIT_INCLUDE}
DOC "Path to cuDNN include directory." )
get_filename_component(__libpath_hist ${CUDA_CUDART_LIBRARY} PATH)
find_library(CUDNN_LIBRARY NAMES ${CUDNN_LIB_NAME}
PATHS ${CUDNN_ROOT} $ENV{CUDNN_ROOT} ${CUDNN_INCLUDE} ${__libpath_hist} ${__libpath_hist}/../lib
DOC "Path to cuDNN library.")
if(CUDNN_INCLUDE AND CUDNN_LIBRARY)
set(HAVE_CUDNN TRUE)
set(CUDNN_FOUND TRUE)
if(EXISTS "${CUDNN_INCLUDE}/cudnn_version.h")
file(READ ${CUDNN_INCLUDE}/cudnn_version.h CUDNN_VERSION_FILE_CONTENTS)
else()
file(READ ${CUDNN_INCLUDE}/cudnn.h CUDNN_VERSION_FILE_CONTENTS)
endif()
# cuDNN v3 and beyond
string(REGEX MATCH "define CUDNN_MAJOR * +([0-9]+)"
CUDNN_VERSION_MAJOR "${CUDNN_VERSION_FILE_CONTENTS}")
string(REGEX REPLACE "define CUDNN_MAJOR * +([0-9]+)" "\\1"
CUDNN_VERSION_MAJOR "${CUDNN_VERSION_MAJOR}")
string(REGEX MATCH "define CUDNN_MINOR * +([0-9]+)"
CUDNN_VERSION_MINOR "${CUDNN_VERSION_FILE_CONTENTS}")
string(REGEX REPLACE "define CUDNN_MINOR * +([0-9]+)" "\\1"
CUDNN_VERSION_MINOR "${CUDNN_VERSION_MINOR}")
string(REGEX MATCH "define CUDNN_PATCHLEVEL * +([0-9]+)"
CUDNN_VERSION_PATCH "${CUDNN_VERSION_FILE_CONTENTS}")
string(REGEX REPLACE "define CUDNN_PATCHLEVEL * +([0-9]+)" "\\1"
CUDNN_VERSION_PATCH "${CUDNN_VERSION_PATCH}")
if (NOT CUDNN_VERSION_MAJOR)
set(CUDNN_VERSION "???")
else ()
set(CUDNN_VERSION "${CUDNN_VERSION_MAJOR}.${CUDNN_VERSION_MINOR}.${CUDNN_VERSION_PATCH}")
endif()
message(STATUS "Found cuDNN: ver. ${CUDNN_VERSION} found (include: ${CUDNN_INCLUDE}, library: ${CUDNN_LIBRARY})")
string(COMPARE LESS "${CUDNN_VERSION_MAJOR}" 3 cuDNNVersionIncompatible)
if(cuDNNVersionIncompatible)
message(FATAL_ERROR "cuDNN version >3 is required.")
endif()
set(CUDNN_VERSION "${CUDNN_VERSION}")
mark_as_advanced(CUDNN_INCLUDE CUDNN_LIBRARY CUDNN_ROOT)
else(CUDNN_INCLUDE AND CUDNN_LIBRARY)
message(STATUS "cuDNN not found")
endif()
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