From b333b06772c89d96aacb5490d6a219fba7c09cc6 Mon Sep 17 00:00:00 2001 From: Mitja Felicijan Date: Thu, 12 Feb 2026 20:57:17 +0100 Subject: Engage! --- llama.cpp/ggml/src/ggml-metal/CMakeLists.txt | 124 +++++++++++++++++++++++++++ 1 file changed, 124 insertions(+) create mode 100644 llama.cpp/ggml/src/ggml-metal/CMakeLists.txt (limited to 'llama.cpp/ggml/src/ggml-metal/CMakeLists.txt') diff --git a/llama.cpp/ggml/src/ggml-metal/CMakeLists.txt b/llama.cpp/ggml/src/ggml-metal/CMakeLists.txt new file mode 100644 index 0000000..42054d8 --- /dev/null +++ b/llama.cpp/ggml/src/ggml-metal/CMakeLists.txt @@ -0,0 +1,124 @@ +find_library(FOUNDATION_LIBRARY Foundation REQUIRED) +find_library(METAL_FRAMEWORK Metal REQUIRED) +find_library(METALKIT_FRAMEWORK MetalKit REQUIRED) + +message(STATUS "Metal framework found") + +ggml_add_backend_library(ggml-metal + ggml-metal.cpp + ggml-metal-device.m + ggml-metal-device.cpp + ggml-metal-common.cpp + ggml-metal-context.m + ggml-metal-ops.cpp + ) + +target_link_libraries(ggml-metal PRIVATE + ${FOUNDATION_LIBRARY} + ${METAL_FRAMEWORK} + ${METALKIT_FRAMEWORK} + ) + +if (GGML_METAL_NDEBUG) + add_compile_definitions(GGML_METAL_NDEBUG) +endif() + +set(METALLIB_COMMON "${CMAKE_CURRENT_SOURCE_DIR}/../ggml-common.h") +if (GGML_METAL_EMBED_LIBRARY) + enable_language(ASM) + + add_compile_definitions(GGML_METAL_EMBED_LIBRARY) + + set(METALLIB_SOURCE "${CMAKE_CURRENT_SOURCE_DIR}/ggml-metal.metal") + set(METALLIB_IMPL "${CMAKE_CURRENT_SOURCE_DIR}/ggml-metal-impl.h") + + file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/autogenerated") + + # merge ggml-common.h and ggml-metal.metal into a single file + set(METALLIB_EMBED_ASM "${CMAKE_CURRENT_BINARY_DIR}/autogenerated/ggml-metal-embed.s") + set(METALLIB_SOURCE_EMBED "${CMAKE_CURRENT_BINARY_DIR}/autogenerated/ggml-metal-embed.metal") + set(METALLIB_SOURCE_EMBED_TMP "${CMAKE_CURRENT_BINARY_DIR}/autogenerated/ggml-metal-embed.metal.tmp") + + add_custom_command( + OUTPUT "${METALLIB_EMBED_ASM}" + COMMAND echo "Embedding Metal library" + COMMAND sed -e "/__embed_ggml-common.h__/r ${METALLIB_COMMON}" -e "/__embed_ggml-common.h__/d" < "${METALLIB_SOURCE}" > "${METALLIB_SOURCE_EMBED_TMP}" + COMMAND sed -e "/\#include \"ggml-metal-impl.h\"/r ${METALLIB_IMPL}" -e "/\#include \"ggml-metal-impl.h\"/d" < "${METALLIB_SOURCE_EMBED_TMP}" > "${METALLIB_SOURCE_EMBED}" + COMMAND echo ".section __DATA,__ggml_metallib" > "${METALLIB_EMBED_ASM}" + COMMAND echo ".globl _ggml_metallib_start" >> "${METALLIB_EMBED_ASM}" + COMMAND echo "_ggml_metallib_start:" >> "${METALLIB_EMBED_ASM}" + COMMAND echo .incbin "\"${METALLIB_SOURCE_EMBED}\"" >> "${METALLIB_EMBED_ASM}" + COMMAND echo ".globl _ggml_metallib_end" >> "${METALLIB_EMBED_ASM}" + COMMAND echo "_ggml_metallib_end:" >> "${METALLIB_EMBED_ASM}" + DEPENDS ../ggml-common.h ggml-metal.metal ggml-metal-impl.h + COMMENT "Generate assembly for embedded Metal library" + VERBATIM + ) + + target_sources(ggml-metal PRIVATE "${METALLIB_EMBED_ASM}") +else() + # copy metal files to bin directory + configure_file(../ggml-common.h ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/ggml-common.h COPYONLY) + configure_file(ggml-metal.metal ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/ggml-metal.metal COPYONLY) + configure_file(ggml-metal-impl.h ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/ggml-metal-impl.h COPYONLY) + + if (GGML_METAL_SHADER_DEBUG) + # custom command to do the following: + # xcrun -sdk macosx metal -fno-fast-math -c ggml-metal.metal -o ggml-metal.air + # xcrun -sdk macosx metallib ggml-metal.air -o default.metallib + # + # note: this is the only way I found to disable fast-math in Metal. it's ugly, but at least it works + # disabling fast math is needed in order to pass tests/test-backend-ops + # note: adding -fno-inline fixes the tests when using MTL_SHADER_VALIDATION=1 + # note: unfortunately, we have to call it default.metallib instead of ggml.metallib + # ref: https://github.com/ggml-org/whisper.cpp/issues/1720 + # note: adding -g causes segmentation fault during compile + #set(XC_FLAGS -fno-fast-math -fno-inline -g) + set(XC_FLAGS -fno-fast-math -fno-inline) + else() + set(XC_FLAGS -O3) + endif() + + # Append macOS metal versioning flags + if (GGML_METAL_MACOSX_VERSION_MIN) + message(STATUS "Adding -mmacosx-version-min=${GGML_METAL_MACOSX_VERSION_MIN} flag to metal compilation") + list (APPEND XC_FLAGS -mmacosx-version-min=${GGML_METAL_MACOSX_VERSION_MIN}) + endif() + + if (GGML_METAL_STD) + message(STATUS "Adding -std=${GGML_METAL_STD} flag to metal compilation") + list (APPEND XC_FLAGS -std=${GGML_METAL_STD}) + endif() + + add_custom_command( + OUTPUT ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/default.metallib + COMMAND xcrun -sdk macosx metal ${XC_FLAGS} -c ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/ggml-metal.metal -o - | + xcrun -sdk macosx metallib - -o ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/default.metallib + COMMAND rm -f ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/ggml-common.h + COMMAND rm -f ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/ggml-metal.metal + DEPENDS ggml-metal.metal ${METALLIB_COMMON} + COMMENT "Compiling Metal kernels" + ) + + # FIXME: only add to the ggml-metal target? + add_custom_target( + ggml-metal-lib ALL + DEPENDS ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/default.metallib + ) +endif() # GGML_METAL_EMBED_LIBRARY + +if (NOT GGML_METAL_EMBED_LIBRARY) + install( + FILES src/ggml-metal/ggml-metal.metal + PERMISSIONS + OWNER_READ + OWNER_WRITE + GROUP_READ + WORLD_READ + DESTINATION ${CMAKE_INSTALL_BINDIR}) + + install( + FILES ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/default.metallib + DESTINATION ${CMAKE_INSTALL_BINDIR} + ) +endif() -- cgit v1.2.3