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ggml-cuda: (cmake) expand "native" into concrete architectures #18431

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ggml-cuda: (cmake) expand "native" into concrete architectures #18431

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10 changes: 3 additions & 7 deletions ggml/src/ggml-cuda/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -37,19 +37,14 @@ if (CUDAToolkit_FOUND)
endif()
endif()
endif()
message(STATUS "Using CUDA architectures: ${CMAKE_CUDA_ARCHITECTURES}")

enable_language(CUDA)
string(REGEX REPLACE "native" ${CMAKE_CUDA_ARCHITECTURES_NATIVE} CMAKE_CUDA_ARCHITECTURES ${CMAKE_CUDA_ARCHITECTURES})

# Replace any 12x-real architectures with 12x{a}-real. FP4 ptx instructions are not available in just 12x
if (GGML_NATIVE)
set(PROCESSED_ARCHITECTURES "")
if (CMAKE_CUDA_ARCHITECTURES_NATIVE)
set(ARCH_LIST ${CMAKE_CUDA_ARCHITECTURES_NATIVE})
else()
set(ARCH_LIST ${CMAKE_CUDA_ARCHITECTURES})
endif()
foreach(ARCH ${ARCH_LIST})
foreach(ARCH ${CMAKE_CUDA_ARCHITECTURES})
if (ARCH MATCHES "^12[0-9](-real|-virtual)?$")
string(REGEX REPLACE "^(12[0-9]).*$" "\\1" BASE_ARCH ${ARCH})
message(STATUS "Replacing ${ARCH} with ${BASE_ARCH}a-real")
Expand All @@ -66,6 +61,7 @@ if (CUDAToolkit_FOUND)
endif()
endforeach()
endif()
message(STATUS "Using CUDA architectures: ${CMAKE_CUDA_ARCHITECTURES}")

file(GLOB GGML_HEADERS_CUDA "*.cuh")
list(APPEND GGML_HEADERS_CUDA "../../include/ggml-cuda.h")
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