diff options
Diffstat (limited to 'Modules/FindCUDA/select_compute_arch.cmake')
| -rw-r--r-- | Modules/FindCUDA/select_compute_arch.cmake | 101 |
1 files changed, 87 insertions, 14 deletions
diff --git a/Modules/FindCUDA/select_compute_arch.cmake b/Modules/FindCUDA/select_compute_arch.cmake index 8fb44d80a..7ddb70969 100644 --- a/Modules/FindCUDA/select_compute_arch.cmake +++ b/Modules/FindCUDA/select_compute_arch.cmake @@ -5,9 +5,9 @@ # - "Auto" detects local machine GPU compute arch at runtime. # - "Common" and "All" cover common and entire subsets of architectures # ARCH_AND_PTX : NAME | NUM.NUM | NUM.NUM(NUM.NUM) | NUM.NUM+PTX -# NAME: Fermi Kepler Maxwell Kepler+Tegra Kepler+Tesla Maxwell+Tegra Pascal +# NAME: Fermi Kepler Maxwell Kepler+Tegra Kepler+Tesla Maxwell+Tegra Pascal Volta Turing # NUM: Any number. Only those pairs are currently accepted by NVCC though: -# 2.0 2.1 3.0 3.2 3.5 3.7 5.0 5.2 5.3 6.0 6.2 +# 2.0 2.1 3.0 3.2 3.5 3.7 5.0 5.2 5.3 6.0 6.2 7.0 7.2 7.5 # Returns LIST of flags to be added to CUDA_NVCC_FLAGS in ${out_variable} # Additionally, sets ${out_variable}_readable to the resulting numeric list # Example: @@ -17,25 +17,68 @@ # More info on CUDA architectures: https://en.wikipedia.org/wiki/CUDA # +if(CMAKE_CUDA_COMPILER_LOADED) # CUDA as a language + if(CMAKE_CUDA_COMPILER_ID STREQUAL "NVIDIA" + AND CMAKE_CUDA_COMPILER_VERSION MATCHES "^([0-9]+\\.[0-9]+)") + set(CUDA_VERSION "${CMAKE_MATCH_1}") + endif() +endif() + +# See: https://docs.nvidia.com/cuda/cuda-compiler-driver-nvcc/index.html#gpu-feature-list + # This list will be used for CUDA_ARCH_NAME = All option set(CUDA_KNOWN_GPU_ARCHITECTURES "Fermi" "Kepler" "Maxwell") # This list will be used for CUDA_ARCH_NAME = Common option (enabled by default) set(CUDA_COMMON_GPU_ARCHITECTURES "3.0" "3.5" "5.0") -if (CUDA_VERSION VERSION_GREATER "6.5") +if(CUDA_VERSION VERSION_LESS "7.0") + set(CUDA_LIMIT_GPU_ARCHITECTURE "5.2") +endif() + +# This list is used to filter CUDA archs when autodetecting +set(CUDA_ALL_GPU_ARCHITECTURES "3.0" "3.2" "3.5" "5.0") + +if(CUDA_VERSION VERSION_GREATER_EQUAL "7.0") list(APPEND CUDA_KNOWN_GPU_ARCHITECTURES "Kepler+Tegra" "Kepler+Tesla" "Maxwell+Tegra") list(APPEND CUDA_COMMON_GPU_ARCHITECTURES "5.2") -endif () -if (CUDA_VERSION VERSION_GREATER "7.5") + if(CUDA_VERSION VERSION_LESS "8.0") + list(APPEND CUDA_COMMON_GPU_ARCHITECTURES "5.2+PTX") + set(CUDA_LIMIT_GPU_ARCHITECTURE "6.0") + endif() +endif() + +if(CUDA_VERSION VERSION_GREATER_EQUAL "8.0") list(APPEND CUDA_KNOWN_GPU_ARCHITECTURES "Pascal") - list(APPEND CUDA_COMMON_GPU_ARCHITECTURES "6.0" "6.1" "6.1+PTX") -else() - list(APPEND CUDA_COMMON_GPU_ARCHITECTURES "5.2+PTX") + list(APPEND CUDA_COMMON_GPU_ARCHITECTURES "6.0" "6.1") + list(APPEND CUDA_ALL_GPU_ARCHITECTURES "6.0" "6.1" "6.2") + + if(CUDA_VERSION VERSION_LESS "9.0") + list(APPEND CUDA_COMMON_GPU_ARCHITECTURES "6.1+PTX") + set(CUDA_LIMIT_GPU_ARCHITECTURE "7.0") + endif() endif () +if(CUDA_VERSION VERSION_GREATER_EQUAL "9.0") + list(APPEND CUDA_KNOWN_GPU_ARCHITECTURES "Volta") + list(APPEND CUDA_COMMON_GPU_ARCHITECTURES "7.0" "7.0+PTX") + list(APPEND CUDA_ALL_GPU_ARCHITECTURES "7.0" "7.0+PTX" "7.2" "7.2+PTX") + + if(CUDA_VERSION VERSION_LESS "10.0") + set(CUDA_LIMIT_GPU_ARCHITECTURE "8.0") + endif() +endif() + +if(CUDA_VERSION VERSION_GREATER_EQUAL "10.0") + list(APPEND CUDA_KNOWN_GPU_ARCHITECTURES "Turing") + list(APPEND CUDA_COMMON_GPU_ARCHITECTURES "7.5" "7.5+PTX") + list(APPEND CUDA_ALL_GPU_ARCHITECTURES "7.5" "7.5+PTX") + if(CUDA_VERSION VERSION_LESS "11.0") + set(CUDA_LIMIT_GPU_ARCHITECTURE "9.0") + endif() +endif() ################################################################################################ # A function for automatic detection of GPUs installed (if autodetection is enabled) @@ -44,7 +87,11 @@ endif () # function(CUDA_DETECT_INSTALLED_GPUS OUT_VARIABLE) if(NOT CUDA_GPU_DETECT_OUTPUT) - set(file ${PROJECT_BINARY_DIR}/detect_cuda_compute_capabilities.cpp) + if(CMAKE_CUDA_COMPILER_LOADED) # CUDA as a language + set(file "${PROJECT_BINARY_DIR}/detect_cuda_compute_capabilities.cu") + else() + set(file "${PROJECT_BINARY_DIR}/detect_cuda_compute_capabilities.cpp") + endif() file(WRITE ${file} "" "#include <cuda_runtime.h>\n" @@ -63,10 +110,18 @@ function(CUDA_DETECT_INSTALLED_GPUS OUT_VARIABLE) " return 0;\n" "}\n") - try_run(run_result compile_result ${PROJECT_BINARY_DIR} ${file} - CMAKE_FLAGS "-DINCLUDE_DIRECTORIES=${CUDA_INCLUDE_DIRS}" - LINK_LIBRARIES ${CUDA_LIBRARIES} - RUN_OUTPUT_VARIABLE compute_capabilities) + if(CMAKE_CUDA_COMPILER_LOADED) # CUDA as a language + try_run(run_result compile_result ${PROJECT_BINARY_DIR} ${file} + RUN_OUTPUT_VARIABLE compute_capabilities) + else() + try_run(run_result compile_result ${PROJECT_BINARY_DIR} ${file} + CMAKE_FLAGS "-DINCLUDE_DIRECTORIES=${CUDA_INCLUDE_DIRS}" + LINK_LIBRARIES ${CUDA_LIBRARIES} + RUN_OUTPUT_VARIABLE compute_capabilities) + endif() + + # Filter unrelated content out of the output. + string(REGEX MATCHALL "[0-9]+\\.[0-9]+" compute_capabilities "${compute_capabilities}") if(run_result EQUAL 0) string(REPLACE "2.1" "2.1(2.0)" compute_capabilities "${compute_capabilities}") @@ -79,7 +134,19 @@ function(CUDA_DETECT_INSTALLED_GPUS OUT_VARIABLE) message(STATUS "Automatic GPU detection failed. Building for common architectures.") set(${OUT_VARIABLE} ${CUDA_COMMON_GPU_ARCHITECTURES} PARENT_SCOPE) else() - set(${OUT_VARIABLE} ${CUDA_GPU_DETECT_OUTPUT} PARENT_SCOPE) + # Filter based on CUDA version supported archs + set(CUDA_GPU_DETECT_OUTPUT_FILTERED "") + separate_arguments(CUDA_GPU_DETECT_OUTPUT) + foreach(ITEM IN ITEMS ${CUDA_GPU_DETECT_OUTPUT}) + if(CUDA_LIMIT_GPU_ARCHITECTURE AND ITEM VERSION_GREATER_EQUAL CUDA_LIMIT_GPU_ARCHITECTURE) + list(GET CUDA_COMMON_GPU_ARCHITECTURES -1 NEWITEM) + string(APPEND CUDA_GPU_DETECT_OUTPUT_FILTERED " ${NEWITEM}") + else() + string(APPEND CUDA_GPU_DETECT_OUTPUT_FILTERED " ${ITEM}") + endif() + endforeach() + + set(${OUT_VARIABLE} ${CUDA_GPU_DETECT_OUTPUT_FILTERED} PARENT_SCOPE) endif() endfunction() @@ -141,6 +208,12 @@ function(CUDA_SELECT_NVCC_ARCH_FLAGS out_variable) elseif(${arch_name} STREQUAL "Pascal") set(arch_bin 6.0 6.1) set(arch_ptx 6.1) + elseif(${arch_name} STREQUAL "Volta") + set(arch_bin 7.0 7.0) + set(arch_ptx 7.0) + elseif(${arch_name} STREQUAL "Turing") + set(arch_bin 7.5) + set(arch_ptx 7.5) else() message(SEND_ERROR "Unknown CUDA Architecture Name ${arch_name} in CUDA_SELECT_NVCC_ARCH_FLAGS") endif() |