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ggml : automatic selection of best CPU backend (#10606)

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* ggml : automatic selection of best CPU backend

* amx : minor opt

* add GGML_AVX_VNNI to enable avx-vnni, fix checks
This commit is contained in:
Diego Devesa
2024-12-01 16:12:41 +01:00
committed by GitHub
parent 86dc11c5bc
commit 3420909dff
12 changed files with 599 additions and 156 deletions
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13
ggml/src/ggml-cpu/CMakeLists.txt
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@@ -217,6 +217,12 @@ elseif (CMAKE_OSX_ARCHITECTURES STREQUAL "x86_64" OR CMAKE_GENERATOR_PLATFORM_LW
elseif (GGML_AVX)
list(APPEND ARCH_FLAGS /arch:AVX)
endif()
if (GGML_AVX_VNNI)
list(APPEND ARCH_DEFINITIONS __AVXVNNI__)
if (CMAKE_C_COMPILER_ID STREQUAL "Clang")
list(APPEND ARCH_FLAGS -mavxvnni)
endif()
endif()
else()
if (GGML_NATIVE)
list(APPEND ARCH_FLAGS -march=native)
@@ -233,6 +239,9 @@ elseif (CMAKE_OSX_ARCHITECTURES STREQUAL "x86_64" OR CMAKE_GENERATOR_PLATFORM_LW
if (GGML_AVX2)
list(APPEND ARCH_FLAGS -mavx2)
endif()
if (GGML_AVX_VNNI)
list(APPEND ARCH_FLAGS -mavxvnni)
endif()
if (GGML_AVX512)
list(APPEND ARCH_FLAGS -mavx512f)
list(APPEND ARCH_FLAGS -mavx512dq)
@@ -301,6 +310,10 @@ target_sources(ggml-cpu PRIVATE ${GGML_CPU_SOURCES})
set_source_files_properties(${GGML_CPU_SOURCES} PROPERTIES COMPILE_OPTIONS "${ARCH_FLAGS}")
set_source_files_properties(${GGML_CPU_SOURCES} PROPERTIES COMPILE_DEFINITIONS "${ARCH_DEFINITIONS}")
# the feature detection code must be compiled without any architecture flags
target_sources(ggml-cpu PRIVATE cpu-feats-x86.cpp)
# target_sources(ggml-cpu PRIVATE cpu-feats-arm.cpp) # TODO: ARM feature detection
if (EMSCRIPTEN)
set_target_properties(ggml-cpu PROPERTIES COMPILE_FLAGS "-msimd128")
endif()