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| author | Mitja Felicijan <mitja.felicijan@gmail.com> | 2026-02-12 20:57:17 +0100 |
|---|---|---|
| committer | Mitja Felicijan <mitja.felicijan@gmail.com> | 2026-02-12 20:57:17 +0100 |
| commit | b333b06772c89d96aacb5490d6a219fba7c09cc6 (patch) | |
| tree | 211df60083a5946baa2ed61d33d8121b7e251b06 /llama.cpp/ggml/src/ggml-cuda/CMakeLists.txt | |
| download | llmnpc-b333b06772c89d96aacb5490d6a219fba7c09cc6.tar.gz | |
Engage!
Diffstat (limited to 'llama.cpp/ggml/src/ggml-cuda/CMakeLists.txt')
| -rw-r--r-- | llama.cpp/ggml/src/ggml-cuda/CMakeLists.txt | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/llama.cpp/ggml/src/ggml-cuda/CMakeLists.txt b/llama.cpp/ggml/src/ggml-cuda/CMakeLists.txt new file mode 100644 index 0000000..262f882 --- /dev/null +++ b/llama.cpp/ggml/src/ggml-cuda/CMakeLists.txt @@ -0,0 +1,259 @@ +cmake_minimum_required(VERSION 3.18) # for CMAKE_CUDA_ARCHITECTURES + +find_package(CUDAToolkit) + +if (CUDAToolkit_FOUND) + message(STATUS "CUDA Toolkit found") + + if (NOT DEFINED CMAKE_CUDA_ARCHITECTURES) + # native == GPUs available at build time + # 50 == Maxwell, lowest CUDA 12 standard + # 60 == P100, FP16 CUDA intrinsics + # 61 == Pascal, __dp4a instruction (per-byte integer dot product) + # 70 == V100, FP16 tensor cores + # 75 == Turing, int8 tensor cores + # 80 == Ampere, asynchronous data loading, faster tensor core instructions + # 86 == RTX 3000, needs CUDA v11.1 + # 89 == RTX 4000, needs CUDA v11.8 + # 120 == Blackwell, needs CUDA v12.8, FP4 tensor cores + # + # XX-virtual == compile CUDA code as PTX, do JIT compilation to binary code on first run + # XX-real == compile CUDA code as device code for this specific architecture + # no suffix == compile as both PTX and device code + # + # The default behavior for a non-native is to build virtual architectures as needed to cover all features needed + # for best performance and to also build real architectures for the most commonly used GPUs. + if (GGML_NATIVE AND CUDAToolkit_VERSION VERSION_GREATER_EQUAL "11.6" AND CMAKE_VERSION VERSION_GREATER_EQUAL "3.24") + set(CMAKE_CUDA_ARCHITECTURES "native") + else() + if (CUDAToolkit_VERSION VERSION_LESS "13") + list(APPEND CMAKE_CUDA_ARCHITECTURES 50-virtual 61-virtual 70-virtual) + endif () + + list(APPEND CMAKE_CUDA_ARCHITECTURES 75-virtual 80-virtual 86-real) + + if (CUDAToolkit_VERSION VERSION_GREATER_EQUAL "11.8") + list(APPEND CMAKE_CUDA_ARCHITECTURES 89-real) + endif() + + if (CUDAToolkit_VERSION VERSION_GREATER_EQUAL "12.8") + # The CUDA architecture 120f-virtual would in principle work for Blackwell support + # but the newly added "f" suffix conflicted with a preexising regex for validating CUDA architectures in CMake. + # So either a recent CMake version or one with the backported fix is needed. + # The following versions should work: + # - CMake >= v3.31.8 && CMake < v4.0.0 + # - CMake >= v4.0.2 + # This is NOT documented in the CMake release notes, + # check Modules/Internal/CMakeCUDAArchitecturesValidate.cmake in the CMake git repository instead. + # However, the architectures 120a-real and 121a-real should work with basically any CMake version and + # until the release of e.g. Rubin there is no benefit to shipping virtual architectures for Blackwell. + list(APPEND CMAKE_CUDA_ARCHITECTURES 120a-real) + endif() + if (CUDAToolkit_VERSION VERSION_GREATER_EQUAL "12.9") + list(APPEND CMAKE_CUDA_ARCHITECTURES 121a-real) + endif() + endif() + endif() + + enable_language(CUDA) + + # TODO: Remove once CCCL 3.2 has been released and bundled with CUDA Toolkit + if (GGML_CUDA_CUB_3DOT2) + include(FetchContent) + + FetchContent_Declare( + CCCL + GIT_REPOSITORY https://github.com/nvidia/cccl.git + GIT_TAG v3.2.0 + GIT_SHALLOW TRUE + ) + + FetchContent_MakeAvailable(CCCL) + endif() + + # Replace any plain 12X CUDA architectures with their "architecture-specific" equivalents 12Xa. + # 12X is forwards-compatible, 12Xa is not. + # Notably the Blackwell FP4 tensor core instructions are not forwards compatible and therefore need 12Xa. + # But while 12X vs. 12Xa can be checked in device code there is (to my knowledge) no easy way to do the same check in host code. + # So for now just replace all instances of 12X with 12Xa, this should be fine until Rubin is released. + foreach(ARCHS IN ITEMS CMAKE_CUDA_ARCHITECTURES CMAKE_CUDA_ARCHITECTURES_NATIVE) + set(FIXED_ARCHS "") + foreach(ARCH IN LISTS ${ARCHS}) + if (ARCH MATCHES "^12[0-9](-real|-virtual)?$") + string(REGEX REPLACE "^(12[0-9])((-real|-virtual)?)$" "\\1a\\2" FIXED_ARCH ${ARCH}) + message(STATUS "Replacing ${ARCH} in ${ARCHS} with ${FIXED_ARCH}") + list(APPEND FIXED_ARCHS "${FIXED_ARCH}") + else() + list(APPEND FIXED_ARCHS "${ARCH}") + endif() + endforeach() + set(${ARCHS} ${FIXED_ARCHS}) + endforeach() + + # If we try to compile a "native" build it will use the 12X architectures and fail. + # So we should instead use the native architectures as determined by CMake after replacing 12X with 12Xa. + # But if at the time of the build no GPUs are connected at all CMAKE_CUDA_ARCHITECTURES will contain garbage that we should not use. + if (CMAKE_CUDA_ARCHITECTURES STREQUAL "native" AND CMAKE_CUDA_ARCHITECTURES_NATIVE MATCHES "^[0-9]+(a|f)?(-real|-virtual)?(;[0-9]+(a|f)?(-real|-virtual)?|;)*$") + set(CMAKE_CUDA_ARCHITECTURES ${CMAKE_CUDA_ARCHITECTURES_NATIVE}) + endif() + message(STATUS "Using CMAKE_CUDA_ARCHITECTURES=${CMAKE_CUDA_ARCHITECTURES} CMAKE_CUDA_ARCHITECTURES_NATIVE=${CMAKE_CUDA_ARCHITECTURES_NATIVE}") + + file(GLOB GGML_HEADERS_CUDA "*.cuh") + list(APPEND GGML_HEADERS_CUDA "../../include/ggml-cuda.h") + + file(GLOB GGML_SOURCES_CUDA "*.cu") + file(GLOB SRCS "template-instances/fattn-tile*.cu") + list(APPEND GGML_SOURCES_CUDA ${SRCS}) + file(GLOB SRCS "template-instances/fattn-mma*.cu") + list(APPEND GGML_SOURCES_CUDA ${SRCS}) + file(GLOB SRCS "template-instances/mmq*.cu") + list(APPEND GGML_SOURCES_CUDA ${SRCS}) + file(GLOB SRCS "template-instances/mmf*.cu") + list(APPEND GGML_SOURCES_CUDA ${SRCS}) + + if (GGML_CUDA_FA_ALL_QUANTS) + file(GLOB SRCS "template-instances/fattn-vec*.cu") + list(APPEND GGML_SOURCES_CUDA ${SRCS}) + add_compile_definitions(GGML_CUDA_FA_ALL_QUANTS) + else() + file(GLOB SRCS "template-instances/fattn-vec*q4_0-q4_0.cu") + list(APPEND GGML_SOURCES_CUDA ${SRCS}) + file(GLOB SRCS "template-instances/fattn-vec*q8_0-q8_0.cu") + list(APPEND GGML_SOURCES_CUDA ${SRCS}) + file(GLOB SRCS "template-instances/fattn-vec*f16-f16.cu") + list(APPEND GGML_SOURCES_CUDA ${SRCS}) + endif() + + ggml_add_backend_library(ggml-cuda + ${GGML_HEADERS_CUDA} + ${GGML_SOURCES_CUDA} + ) + + add_compile_definitions(GGML_CUDA_PEER_MAX_BATCH_SIZE=${GGML_CUDA_PEER_MAX_BATCH_SIZE}) + + if (GGML_CUDA_GRAPHS) + add_compile_definitions(GGML_CUDA_USE_GRAPHS) + endif() + + if (GGML_CUDA_FORCE_MMQ) + add_compile_definitions(GGML_CUDA_FORCE_MMQ) + endif() + + if (GGML_CUDA_FORCE_CUBLAS) + add_compile_definitions(GGML_CUDA_FORCE_CUBLAS) + endif() + + if (GGML_CUDA_NO_VMM) + add_compile_definitions(GGML_CUDA_NO_VMM) + endif() + + if (NOT GGML_CUDA_FA) + add_compile_definitions(GGML_CUDA_NO_FA) + endif() + + if (GGML_CUDA_NO_PEER_COPY) + add_compile_definitions(GGML_CUDA_NO_PEER_COPY) + endif() + + if (GGML_STATIC) + if (WIN32) + # As of 12.3.1 CUDA Toolkit for Windows does not offer a static cublas library + target_link_libraries(ggml-cuda PRIVATE CUDA::cudart_static CUDA::cublas) + else () + if (GGML_CUDA_CUB_3DOT2) + target_link_libraries(ggml-cuda PRIVATE CCCL::CCCL) + endif() + if (CUDAToolkit_VERSION VERSION_GREATER_EQUAL "10.1") + target_link_libraries(ggml-cuda PRIVATE CUDA::cudart_static CUDA::cublas_static CUDA::cublasLt_static) + else() + target_link_libraries(ggml-cuda PRIVATE CUDA::cudart_static CUDA::cublas_static) + endif() + endif() + else() + if (GGML_CUDA_CUB_3DOT2) + target_link_libraries(ggml-cuda PRIVATE CCCL::CCCL) + endif() + target_link_libraries(ggml-cuda PRIVATE CUDA::cudart CUDA::cublas) + endif() + + if (GGML_CUDA_NO_VMM) + # No VMM requested, no need to link directly with the cuda driver lib (libcuda.so) + else() + target_link_libraries(ggml-cuda PRIVATE CUDA::cuda_driver) + endif() + + set(CUDA_CXX_FLAGS "") + + set(CUDA_FLAGS -use_fast_math -extended-lambda) + + if (GGML_CUDA_DEBUG) + list(APPEND CUDA_FLAGS -lineinfo) + add_compile_definitions(GGML_CUDA_DEBUG) + endif() + + if (CUDAToolkit_VERSION VERSION_GREATER_EQUAL "12.8") + # Options are: + # - none (not recommended) + # - speed (nvcc's default) + # - balance + # - size + list(APPEND CUDA_FLAGS -compress-mode=${GGML_CUDA_COMPRESSION_MODE}) + endif() + + if (GGML_FATAL_WARNINGS) + list(APPEND CUDA_FLAGS -Werror all-warnings) + endif() + + if (GGML_ALL_WARNINGS AND NOT MSVC) + set(NVCC_CMD ${CMAKE_CUDA_COMPILER} .c) + if (NOT CMAKE_CUDA_HOST_COMPILER STREQUAL "") + list(APPEND NVCC_CMD -ccbin ${CMAKE_CUDA_HOST_COMPILER}) + endif() + + execute_process( + COMMAND ${NVCC_CMD} -Xcompiler --version + OUTPUT_VARIABLE CUDA_CCFULLVER + ERROR_QUIET + ) + + if (NOT CUDA_CCFULLVER MATCHES clang) + set(CUDA_CCID "GNU") + execute_process( + COMMAND ${NVCC_CMD} -Xcompiler "-dumpfullversion -dumpversion" + OUTPUT_VARIABLE CUDA_CCVER + ERROR_QUIET + OUTPUT_STRIP_TRAILING_WHITESPACE + ) + else() + if (CUDA_CCFULLVER MATCHES Apple) + set(CUDA_CCID "AppleClang") + else() + set(CUDA_CCID "Clang") + endif() + string(REGEX REPLACE "^.* version ([0-9.]*).*$" "\\1" CUDA_CCVER ${CUDA_CCFULLVER}) + endif() + + message(STATUS "CUDA host compiler is ${CUDA_CCID} ${CUDA_CCVER}") + + ggml_get_flags(${CUDA_CCID} ${CUDA_CCVER}) + list(APPEND CUDA_CXX_FLAGS ${CXX_FLAGS} ${GF_CXX_FLAGS}) # This is passed to -Xcompiler later + endif() + + if (NOT MSVC) + list(APPEND CUDA_CXX_FLAGS -Wno-pedantic) + else() + # CCCL 3.2 onwards will require a cpp-standard-compliant preprocessor for MSVC + # https://github.com/NVIDIA/cccl/pull/6827 + list(APPEND CUDA_CXX_FLAGS /Zc:preprocessor) + endif() + + list(JOIN CUDA_CXX_FLAGS " " CUDA_CXX_FLAGS_JOINED) # pass host compiler flags as a single argument + + if (NOT CUDA_CXX_FLAGS_JOINED STREQUAL "") + list(APPEND CUDA_FLAGS -Xcompiler ${CUDA_CXX_FLAGS_JOINED}) + endif() + + target_compile_options(ggml-cuda PRIVATE "$<$<COMPILE_LANGUAGE:CUDA>:${CUDA_FLAGS}>") +else() + message(FATAL_ERROR "CUDA Toolkit not found") +endif() |
