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CUDA/select_compute_arch: Fix detection on old CUDA with new card/driver

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Fix version comparisons to handle patch components.  List and check
known archs for each version of CUDA so mismatching versions are not
suggested.

Fixes: #17921
This commit is contained in:
Henry Schreiner 2018-04-20 00:28:20 -04:00
parent c14497191b
commit 61b222f3ae
1 changed files with 47 additions and 15 deletions
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62
Modules/FindCUDA/select_compute_arch.cmake
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@ -17,35 +17,55 @@
# More info on CUDA architectures: https://en.wikipedia.org/wiki/CUDA
#
# 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(CMAKE_CUDA_COMPILER_LOADED) # CUDA as a language
if(CMAKE_CUDA_COMPILER_ID STREQUAL "NVIDIA")
set(CUDA_VERSION "${CMAKE_CUDA_COMPILER_VERSION}")
endif()
endif()
if (CUDA_VERSION VERSION_GREATER "6.5")
# 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_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")
else()
list(APPEND CUDA_COMMON_GPU_ARCHITECTURES "5.2+PTX")
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 "8.5")
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")
else()
list(APPEND CUDA_COMMON_GPU_ARCHITECTURES "6.1+PTX")
if(CUDA_VERSION VERSION_LESS "10.0")
set(CUDA_LIMIT_GPU_ARCHITECTURE "8.0")
endif()
endif()
################################################################################################
@ -99,7 +119,19 @@ 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()