Jaydeep
72 línte
3.2 KiB
CMake
72 línte
3.2 KiB
CMake
# Copyright (c) 2025 Advanced Micro Devices, Inc. All Rights Reserved.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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# Detect unique GPU architectures for add_custom_command
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if(NOT DEFINED HIP_ARCH_DETECTION_DONE)
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set(HIP_ARCH_DETECTION_DONE TRUE CACHE INTERNAL "HIP architecture detection completed")
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# Detect GPU architectures for code object generation
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# Note: CMake's HIP language support may not deduplicate architectures
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# Fix any duplicates in CMAKE_HIP_ARCHITECTURES if already set
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if(DEFINED CMAKE_HIP_ARCHITECTURES AND CMAKE_HIP_ARCHITECTURES)
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# Convert to list and remove duplicates
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string(REPLACE ";" ";" GPU_ARCH_LIST "${CMAKE_HIP_ARCHITECTURES}")
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list(REMOVE_ITEM GPU_ARCH_LIST "gfx000" "")
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list(REMOVE_DUPLICATES GPU_ARCH_LIST)
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set(CMAKE_HIP_ARCHITECTURES "${GPU_ARCH_LIST}" CACHE STRING "HIP architectures" FORCE)
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message(STATUS "Deduplicated HIP architectures: ${CMAKE_HIP_ARCHITECTURES}")
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elseif(NOT DEFINED CMAKE_HIP_ARCHITECTURES OR NOT CMAKE_HIP_ARCHITECTURES)
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# Auto-detect if not set
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if(NOT DEFINED ROCM_PATH)
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if(DEFINED ENV{ROCM_PATH})
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set(ROCM_PATH $ENV{ROCM_PATH})
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else()
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set(ROCM_PATH "/opt/rocm")
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endif()
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endif()
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execute_process(
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COMMAND ${ROCM_PATH}/bin/rocm_agent_enumerator
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OUTPUT_VARIABLE DETECTED_GPUS
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OUTPUT_STRIP_TRAILING_WHITESPACE
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ERROR_QUIET
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)
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if(DETECTED_GPUS)
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string(REPLACE "\n" ";" GPU_ARCH_LIST "${DETECTED_GPUS}")
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list(REMOVE_ITEM GPU_ARCH_LIST "gfx000" "")
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list(REMOVE_DUPLICATES GPU_ARCH_LIST)
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set(CMAKE_HIP_ARCHITECTURES "${GPU_ARCH_LIST}" CACHE STRING "HIP architectures" FORCE)
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message(STATUS "Detected HIP architectures: ${CMAKE_HIP_ARCHITECTURES}")
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else()
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set(CMAKE_HIP_ARCHITECTURES "gfx90a" CACHE STRING "HIP architectures" FORCE)
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message(STATUS "Could not detect GPU, using default: ${CMAKE_HIP_ARCHITECTURES}")
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endif()
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endif()
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endif()
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# For custom commands that need --offload-arch flags, convert the list to multiple flags
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# This needs to be regenerated each time in case CMAKE_HIP_ARCHITECTURES changed
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set(OFFLOAD_ARCH_FLAGS "")
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foreach(arch ${CMAKE_HIP_ARCHITECTURES})
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list(APPEND OFFLOAD_ARCH_FLAGS "--offload-arch=${arch}")
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endforeach()
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