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【训练营】BF16 Kernel 优化 #227

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【训练营】BF16 Kernel 优化 #227

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7 changes: 6 additions & 1 deletion CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -107,7 +107,12 @@ if(USE_CUDA)
file(GLOB_RECURSE CUDA_KERNELS ${PROJECT_SOURCE_DIR}/infini_train/src/*.cu)

add_library(infini_train_cuda_kernels STATIC ${CUDA_KERNELS})
set_target_properties(infini_train_cuda_kernels PROPERTIES CUDA_ARCHITECTURES "75;80;90")
# 默认与上游一致（三档 SASS）；可用 -DINFINI_TRAIN_CUDA_ARCHS=... 覆盖。
# 若本机 GPU 比 nvcc 支持的架构更新（例如 GPU 为 sm_120 而 nvcc 只支持到 sm_90），
# 必须额外产出 PTX（*-virtual）交给驱动 JIT，否则运行时报 "no kernel image is available"。
set(INFINI_TRAIN_CUDA_ARCHS "75;80;90" CACHE STRING "CUDA architectures to compile for")
set_target_properties(infini_train_cuda_kernels PROPERTIES
CUDA_ARCHITECTURES "${INFINI_TRAIN_CUDA_ARCHS}")

target_link_libraries(infini_train_cuda_kernels
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