Chiebot-Mirror
/
opencv
mirror of https://github.com/opencv/opencv.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

cmake(cuda): repair ccbin, re-implement execute_process() cache

Browse Source 
- preventive fix for arch "11.0" (CUDA_ARCH_BIN_OR_PTX_10 bug)
- new var: OPENCV_CUDA_DETECTION_NVCC_FLAGS
- new var: OPENCV_CMAKE_CUDA_DEBUG
pull/17745/head
Alexander Alekhin 5 years ago
parent 524a2fffe9
commit 8bf1b9a422
3 changed files with 84 additions and 42 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 120
      cmake/OpenCVDetectCUDA.cmake
  2. 3
      cmake/templates/cvconfig.h.in
  3. 3
      modules/core/include/opencv2/core/private.cuda.hpp

120
cmake/OpenCVDetectCUDA.cmake
Unescape View File

@ -1,17 +1,15 @@
if(WIN32 AND NOT MSVC)
if((WIN32 AND NOT MSVC) OR OPENCV_CMAKE_FORCE_CUDA)
message(STATUS "CUDA compilation is disabled (due to only Visual Studio compiler supported on your platform).")
return()
endif()
if(NOT UNIX AND CV_CLANG)
if((NOT UNIX AND CV_CLANG) OR OPENCV_CMAKE_FORCE_CUDA)
message(STATUS "CUDA compilation is disabled (due to Clang unsupported on your platform).")
return()
endif()
if(CUDA_HOST_COMPILER)
# respect the CUDA_HOST_COMPILER if specified manually
set(PREFERRED_CUDA_HOST_COMPILER "${CUDA_HOST_COMPILER}")
endif()
#set(OPENCV_CMAKE_CUDA_DEBUG 1)
if(((NOT CMAKE_VERSION VERSION_LESS "3.9.0") # requires https://gitlab.kitware.com/cmake/cmake/merge_requests/663
OR OPENCV_CUDA_FORCE_EXTERNAL_CMAKE_MODULE)
AND NOT OPENCV_CUDA_FORCE_BUILTIN_CMAKE_MODULE)
@ -56,7 +54,7 @@ if(CUDA_FOUND)
endif()
if(WITH_NVCUVID)
macro(SEARCH_NVCUVID_HEADER _filename _result)
macro(ocv_cuda_SEARCH_NVCUVID_HEADER _filename _result)
# place header file under CUDA_TOOLKIT_TARGET_DIR or CUDA_TOOLKIT_ROOT_DIR
find_path(_header_result
${_filename}
@ -73,8 +71,8 @@ if(CUDA_FOUND)
endif()
unset(_header_result CACHE)
endmacro()
SEARCH_NVCUVID_HEADER("nvcuvid.h" HAVE_NVCUVID_HEADER)
SEARCH_NVCUVID_HEADER("dynlink_nvcuvid.h" HAVE_DYNLINK_NVCUVID_HEADER)
ocv_cuda_SEARCH_NVCUVID_HEADER("nvcuvid.h" HAVE_NVCUVID_HEADER)
ocv_cuda_SEARCH_NVCUVID_HEADER("dynlink_nvcuvid.h" HAVE_DYNLINK_NVCUVID_HEADER)
find_cuda_helper_libs(nvcuvid)
if(WIN32)
find_cuda_helper_libs(nvcuvenc)
@ -115,44 +113,89 @@ if(CUDA_FOUND)
unset(CUDA_ARCH_PTX CACHE)
endif()
if(PREFERRED_CUDA_HOST_COMPILER)
LIST(APPEND CUDA_NVCC_FLAGS -ccbin "${PREFERRED_CUDA_HOST_COMPILER}")
if(OPENCV_CUDA_DETECTION_NVCC_FLAGS MATCHES "-ccbin")
# already specified by user
elseif(CUDA_HOST_COMPILER AND EXISTS "${CUDA_HOST_COMPILER}")
LIST(APPEND OPENCV_CUDA_DETECTION_NVCC_FLAGS -ccbin "${CUDA_HOST_COMPILER}")
elseif(WIN32 AND CMAKE_LINKER) # Workaround for VS cl.exe not being in the env. path
get_filename_component(host_compiler_bindir ${CMAKE_LINKER} DIRECTORY)
LIST(APPEND OPENCV_CUDA_DETECTION_NVCC_FLAGS -ccbin "${host_compiler_bindir}")
else()
if(WIN32 AND CMAKE_LINKER) #Workaround for VS cl.exe not being in the env. path
get_filename_component(host_compiler_bindir ${CMAKE_LINKER} DIRECTORY)
LIST(APPEND CUDA_NVCC_FLAGS -ccbin ${host_compiler_bindir})
if(CUDA_HOST_COMPILER)
message(STATUS "CUDA: CUDA_HOST_COMPILER='${CUDA_HOST_COMPILER}' is not valid, autodetection may not work. Specify OPENCV_CUDA_DETECTION_NVCC_FLAGS with -ccbin option for fix that")
endif()
endif()
SET(DETECT_ARCHS_COMMAND "${CUDA_NVCC_EXECUTABLE}" ${CUDA_NVCC_FLAGS} "${OpenCV_SOURCE_DIR}/cmake/checks/OpenCVDetectCudaArch.cu" "--run")
macro(ocv_filter_available_architecture result_list)
if(DEFINED CUDA_SUPPORTED_CC)
set(${result_list} "${CUDA_SUPPORTED_CC}")
set(__cache_key_check "${ARGN} : ${CUDA_NVCC_EXECUTABLE} ${OPENCV_CUDA_DETECTION_NVCC_FLAGS}")
if(DEFINED OPENCV_CACHE_CUDA_SUPPORTED_CC AND OPENCV_CACHE_CUDA_SUPPORTED_CC_check STREQUAL __cache_key_check)
set(${result_list} "${OPENCV_CACHE_CUDA_SUPPORTED_CC}")
else()
set(CC_LIST ${ARGN})
foreach(target_arch ${CC_LIST})
string(REPLACE "." "" target_arch_short "${target_arch}")
set(NVCC_OPTION "-gencode;arch=compute_${target_arch_short},code=sm_${target_arch_short}")
execute_process( COMMAND "${CUDA_NVCC_EXECUTABLE}" ${NVCC_OPTION} "${OpenCV_SOURCE_DIR}/cmake/checks/OpenCVDetectCudaArch.cu"
WORKING_DIRECTORY "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/"
RESULT_VARIABLE _nvcc_res OUTPUT_VARIABLE _nvcc_out
ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
set(_cmd "${CUDA_NVCC_EXECUTABLE}" ${OPENCV_CUDA_DETECTION_NVCC_FLAGS} ${NVCC_OPTION} "${OpenCV_SOURCE_DIR}/cmake/checks/OpenCVDetectCudaArch.cu" --compile)
execute_process(
COMMAND ${_cmd}
WORKING_DIRECTORY "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/"
RESULT_VARIABLE _nvcc_res
OUTPUT_VARIABLE _nvcc_out
ERROR_VARIABLE _nvcc_err
#ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(OPENCV_CMAKE_CUDA_DEBUG)
message(WARNING "COMMAND: ${_cmd}")
message(STATUS "Result: ${_nvcc_res}")
message(STATUS "Out: ${_nvcc_out}")
message(STATUS "Err: ${_nvcc_err}")
endif()
if(_nvcc_res EQUAL 0)
set(${result_list} "${${result_list}} ${target_arch}")
LIST(APPEND ${result_list} "${target_arch}")
endif()
endforeach()
string(STRIP "${${result_list}}" ${result_list})
set(CUDA_SUPPORTED_CC ${${result_list}} CACHE INTERNAL "List of supported compute capability")
if(" ${${result_list}}" STREQUAL " ")
message(WARNING "CUDA: Autodetection arch list is empty. Please enable OPENCV_CMAKE_CUDA_DEBUG=1 and check/specify OPENCV_CUDA_DETECTION_NVCC_FLAGS variable")
endif()
# cache detected values
set(OPENCV_CACHE_CUDA_SUPPORTED_CC ${${result_list}} CACHE INTERNAL "")
set(OPENCV_CACHE_CUDA_SUPPORTED_CC_check "${__cache_key_check}" CACHE INTERNAL "")
endif()
endmacro()
macro(ocv_detect_native_cuda_arch status output)
execute_process( COMMAND ${DETECT_ARCHS_COMMAND}
WORKING_DIRECTORY "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/"
RESULT_VARIABLE ${status} OUTPUT_VARIABLE _nvcc_out
ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REGEX REPLACE ".*\n" "" ${output} "${_nvcc_out}") #Strip leading warning messages, if any
set(OPENCV_CUDA_DETECT_ARCHS_COMMAND "${CUDA_NVCC_EXECUTABLE}" ${OPENCV_CUDA_DETECTION_NVCC_FLAGS} "${OpenCV_SOURCE_DIR}/cmake/checks/OpenCVDetectCudaArch.cu" "--run")
set(__cache_key_check "${OPENCV_CUDA_DETECT_ARCHS_COMMAND}")
if(DEFINED OPENCV_CACHE_CUDA_ACTIVE_CC AND OPENCV_CACHE_CUDA_ACTIVE_CC_check STREQUAL __cache_key_check)
set(${output} "${OPENCV_CACHE_CUDA_ACTIVE_CC}")
set(${status} 0)
else()
execute_process(
COMMAND ${OPENCV_CUDA_DETECT_ARCHS_COMMAND}
WORKING_DIRECTORY "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/"
RESULT_VARIABLE ${status}
OUTPUT_VARIABLE _nvcc_out
ERROR_VARIABLE _nvcc_err
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(OPENCV_CMAKE_CUDA_DEBUG)
message(WARNING "COMMAND: ${OPENCV_CUDA_DETECT_ARCHS_COMMAND}")
message(STATUS "Result: ${${status}}")
message(STATUS "Out: ${_nvcc_out}")
message(STATUS "Err: ${_nvcc_err}")
endif()
string(REGEX REPLACE ".*\n" "" ${output} "${_nvcc_out}") #Strip leading warning messages, if any
if(${status} EQUAL 0)
# cache detected values
set(OPENCV_CACHE_CUDA_ACTIVE_CC ${${result_list}} CACHE INTERNAL "")
set(OPENCV_CACHE_CUDA_ACTIVE_CC_check "${__cache_key_check}" CACHE INTERNAL "")
endif()
endif()
endmacro()
macro(ocv_wipeout_deprecated _arch_bin_list)
@ -181,6 +224,9 @@ if(CUDA_FOUND)
else()
string(REGEX MATCHALL "[0-9]+\\.[0-9]" __cuda_arch_bin "${_nvcc_out}")
endif()
elseif(CUDA_ARCH_BIN)
message(STATUS "CUDA: Using CUDA_ARCH_BIN=${CUDA_ARCH_BIN}")
set(__cuda_arch_bin ${CUDA_ARCH_BIN})
endif()
if(NOT DEFINED __cuda_arch_bin)
@ -188,7 +234,11 @@ if(CUDA_FOUND)
set(__cuda_arch_bin "3.2")
set(__cuda_arch_ptx "")
elseif(AARCH64)
ocv_detect_native_cuda_arch(_nvcc_res _nvcc_out)
if(NOT CMAKE_CROSSCOMPILING)
ocv_detect_native_cuda_arch(_nvcc_res _nvcc_out)
else()
set(_nvcc_res -1) # emulate error, see below
endif()
if(NOT _nvcc_res EQUAL 0)
message(STATUS "Automatic detection of CUDA generation failed. Going to build for all known architectures.")
# TX1 (5.3) TX2 (6.2) Xavier (7.2) V100 (7.0)
@ -222,11 +272,9 @@ if(CUDA_FOUND)
string(REGEX REPLACE "\\." "" ARCH_BIN_NO_POINTS "${CUDA_ARCH_BIN}")
string(REGEX REPLACE "\\." "" ARCH_PTX_NO_POINTS "${CUDA_ARCH_PTX}")
# Ckeck if user specified 1.0 compute capability: we don't support it
string(REGEX MATCH "1.0" HAS_ARCH_10 "${CUDA_ARCH_BIN} ${CUDA_ARCH_PTX}")
set(CUDA_ARCH_BIN_OR_PTX_10 0)
if(NOT ${HAS_ARCH_10} STREQUAL "")
set(CUDA_ARCH_BIN_OR_PTX_10 1)
# Check if user specified 1.0 compute capability: we don't support it
if(" ${CUDA_ARCH_BIN} ${CUDA_ARCH_PTX}" MATCHES " 1.0")
message(SEND_ERROR "CUDA: 1.0 compute capability is not supported - exclude it from ARCH/PTX list are re-run CMake")
endif()
# NVCC flags to be set
@ -421,7 +469,7 @@ if(HAVE_CUDA)
if(CMAKE_GENERATOR MATCHES "Visual Studio"
AND NOT OPENCV_SKIP_CUDA_CMAKE_SUPPRESS_REGENERATION
)
message(WARNING "CUDA with MSVS generator is detected. Disabling CMake re-run checks (CMAKE_SUPPRESS_REGENERATION=ON). You need to run CMake manually if updates are required.")
message(STATUS "CUDA: MSVS generator is detected. Disabling CMake re-run checks (CMAKE_SUPPRESS_REGENERATION=ON). You need to run CMake manually if updates are required.")
set(CMAKE_SUPPRESS_REGENERATION ON)
endif()
endif()

3
cmake/templates/cvconfig.h.in
Unescape View File

@ -13,9 +13,6 @@
/* Compile for 'real' NVIDIA GPU architectures */
#define CUDA_ARCH_BIN "${OPENCV_CUDA_ARCH_BIN}"
/* Create PTX or BIN for 1.0 compute capability */
#cmakedefine CUDA_ARCH_BIN_OR_PTX_10
/* NVIDIA GPU features are used */
#define CUDA_ARCH_FEATURES "${OPENCV_CUDA_ARCH_FEATURES}"

3
modules/core/include/opencv2/core/private.cuda.hpp
Unescape View File

@ -82,9 +82,6 @@
# error "Insufficient Cuda Runtime library version, please update it."
# endif
# if defined(CUDA_ARCH_BIN_OR_PTX_10)
# error "OpenCV CUDA module doesn't support NVIDIA compute capability 1.0"
# endif
#endif
//! @cond IGNORED

Write Preview
Loading…
Cancel
Save