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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| function(cuda_arch_probe) | ||
| if(NOT "" STREQUAL "${CMAKE_CUDA_COMPILER}") | ||
| set(_nvcc "${CMAKE_CUDA_COMPILER}") | ||
| elseif(NOT "" STREQUAL "${CUDA_COMPILER}") | ||
| set(_nvcc "${CUDA_COMPILER}") | ||
| elseif(NOT "" STREQUAL "${DEVICE_COMPILER}") | ||
| set(_nvcc "${DEVICE_COMPILER}") | ||
| endif() | ||
| execute_process( | ||
| COMMAND ${_nvcc} --help | ||
| WORKING_DIRECTORY ${CMAKE_SOURCE_DIR} | ||
| OUTPUT_VARIABLE _nvcc_help | ||
| OUTPUT_STRIP_TRAILING_WHITESPACE | ||
| ) | ||
| string(REGEX REPLACE ";" "\\\\;" _nvcc_help "${_nvcc_help}") | ||
| string(REGEX REPLACE "\n" ";" _nvcc_help "${_nvcc_help}") | ||
| set(_archlist "") | ||
| foreach(_line ${_nvcc_help}) | ||
| string(REGEX MATCHALL "(sm|compute)_[0-9]+" _has_arch ${_line}) | ||
| string(REGEX REPLACE "(sm|compute)_" "" _has_arch "${_has_arch}") | ||
| if(_has_arch) | ||
| string(REGEX REPLACE "\\;" ";" _has_arch "${_has_arch}") | ||
| list(APPEND _archlist ${_has_arch}) | ||
| endif() | ||
| endforeach() | ||
| list(SORT _archlist) | ||
| list(REMOVE_DUPLICATES _archlist) | ||
| if(APPLE) | ||
| if("9.0" VERSION_EQUAL CUDA_VERSION) | ||
| list(FIND _archlist "70" _hasVolta) | ||
| if(NOT -1 EQUAL _hasVolta) | ||
| message(WARNING "Removing \"70\" from valid CUDA architectures (OSX+CUDA9.0 detected)") | ||
| list(REMOVE_ITEM VALID_CUDA_ARCHS "70") | ||
| endif() | ||
| endif() | ||
| endif() | ||
| set(CMAKE_CUDA_ARCHLIST ${_archlist} PARENT_SCOPE) | ||
| endfunction() | ||
|
|
||
| function(cuda_arch_filter _WHAT _VALID _OUT) | ||
| #strip any chars except numbers and semicolons | sort | uniq | ||
| string(REGEX REPLACE "[^;0-9]+" "" _WHAT "${_WHAT}") | ||
| list(SORT _WHAT) | ||
| list(REMOVE_DUPLICATES _WHAT) | ||
| if(NOT "" STREQUAL "${_WHAT}") | ||
| # validate architectures provided | ||
| message(STATUS "Filtering provided compute architectures: ${_WHAT}") | ||
| set(_archlist "") | ||
| foreach(_arch ${_WHAT}) | ||
| if(_arch MATCHES "^[0-9]$") | ||
| #single digit, append a 0 | ||
| set(_arch "${_arch}0") | ||
| endif() | ||
| list(FIND _VALID "${_arch}" _arch_good) | ||
| if(NOT _arch MATCHES "^[0-9][0-9]$") | ||
| # only numbers are allowed | ||
| message(STATUS "...architecture '${_arch}' is not a number") | ||
| elseif(${_arch} LESS 20) | ||
| message(STATUS "...architecture '${_arch}' does not support required math functions. " | ||
| "Miner kernels require compute architecture 2.0 or higher.") | ||
| elseif(-1 EQUAL ${_arch_good}) | ||
| message(STATUS "...architecture '${_arch}' is not supported by this nvcc") | ||
| else() | ||
| # nothing disqualified _arch above, keep it | ||
| list(APPEND _archlist ${_arch}) | ||
| endif() | ||
| endforeach() | ||
| message(STATUS "Filtered result: ${_archlist}") | ||
| unset(_arch_good) | ||
| unset(_arch) | ||
| endif() | ||
| set("${_OUT}" "${_archlist}" PARENT_SCOPE) | ||
| endfunction() | ||
| # vim: et sw=4 sts=4 ts=4: |
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