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CUDA: mix virt/real CUDA archs for GGML_NATIVE=OFF (llama/13135)

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Johannes Gäßler 2025-05-06 23:35:51 +02:00 committed by Georgi Gerganov
parent 3c67195be9
commit d41cf26a0f
1 changed files with 20 additions and 2 deletions
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22
ggml/src/ggml-cuda/CMakeLists.txt
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@ -12,12 +12,30 @@ if (CUDAToolkit_FOUND)
# 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
#
# 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")
elseif(GGML_CUDA_F16 OR GGML_CUDA_DMMV_F16)
set(CMAKE_CUDA_ARCHITECTURES "60;61;70;75;80")
if (CUDAToolkit_VERSION VERSION_GREATER_EQUAL "11.8")
set(CMAKE_CUDA_ARCHITECTURES "60-virtual;61-virtual;70-virtual;75-virtual;80-virtual;86-real;89-real")
else()
set(CMAKE_CUDA_ARCHITECTURES "60-virtual;61-virtual;70-virtual;75-virtual;80-virtual;86-real")
endif()
else()
set(CMAKE_CUDA_ARCHITECTURES "50;61;70;75;80")
if (CUDAToolkit_VERSION VERSION_GREATER_EQUAL "11.8")
set(CMAKE_CUDA_ARCHITECTURES "50-virtual;61-virtual;70-virtual;75-virtual;80-virtual;86-real;89-real")
else()
set(CMAKE_CUDA_ARCHITECTURES "50-virtual;61-virtual;70-virtual;75-virtual;80-virtual;86-real")
endif()
endif()
endif()
message(STATUS "Using CUDA architectures: ${CMAKE_CUDA_ARCHITECTURES}")