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minor clean up of sgl-kernel/CMakeLists.txt #5393

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merged 1 commit into from
Apr 15, 2025
Merged

minor clean up of sgl-kernel/CMakeLists.txt #5393

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24 changes: 15 additions & 9 deletions sgl-kernel/CMakeLists.txt
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Original file line number Diff line number Diff line change
@@ -1,14 +1,21 @@
cmake_minimum_required(VERSION 3.26 FATAL_ERROR)
project(sgl-kernel LANGUAGES CXX CUDA)

# CMake
cmake_policy(SET CMP0169 OLD)

include(${CMAKE_CURRENT_LIST_DIR}/cmake/utils.cmake)

# Python
find_package(Python COMPONENTS Interpreter Development.Module ${SKBUILD_SABI_COMPONENT} REQUIRED)

# CXX
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3")

# Cuda
enable_language(CUDA)
find_package(CUDAToolkit REQUIRED)
set_property(GLOBAL PROPERTY CUDA_SEPARABLE_COMPILATION ON)

message(STATUS "Detected CUDA_VERSION=${CUDA_VERSION}")
if ("${CUDA_VERSION}" VERSION_GREATER_EQUAL "12.8")
Expand All @@ -21,12 +28,11 @@ elseif ("${CUDA_VERSION}" VERSION_GREATER_EQUAL "11.8")
message("CUDA_VERSION ${CUDA_VERSION} >= 11.8")
endif()

# Torch
find_package(Torch REQUIRED)
# clean Torch Flag
clear_cuda_arches(CMAKE_FLAG)

set_property(GLOBAL PROPERTY CUDA_SEPARABLE_COMPILATION ON)

include(FetchContent)

# cutlass
Expand Down Expand Up @@ -82,9 +88,6 @@ include_directories(
${repo-flashinfer_SOURCE_DIR}/csrc
)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3")

set(SGL_KERNEL_CUDA_FLAGS
"-DNDEBUG"
"-DOPERATOR_NAMESPACE=sgl-kernel"
Expand All @@ -104,20 +107,23 @@ set(SGL_KERNEL_CUDA_FLAGS
"-DCUTLASS_TEST_ENABLE_CACHED_RESULTS=1"
"-DCUTLASS_DEBUG_TRACE_LEVEL=0"
"--expt-relaxed-constexpr"
"--expt-extended-lambda"
"--threads=32"
"-Xcompiler=-Wconversion"
"-Xcompiler=-fno-strict-aliasing"
"--threads=16"

# uncomment to debug
# "--ptxas-options=-v"
# "--ptxas-options=--verbose,--register-usage-level=10,--warn-on-local-memory-usage"
)

option(SGL_KERNEL_ENABLE_SM100A "Enable SM100A" OFF)
option(SGL_KERNEL_ENABLE_SM90A "Enable SM90A" OFF)
option(SGL_KERNEL_ENABLE_BF16 "Enable BF16" ON)
option(SGL_KERNEL_ENABLE_FP8 "Enable FP8" ON)
option(SGL_KERNEL_ENABLE_FP4 "Enable FP4" OFF)

option(SGL_KERNEL_ENABLE_FA3 "Enable FA3" OFF)


if ("${CUDA_VERSION}" VERSION_GREATER_EQUAL "12.8" OR SGL_KERNEL_ENABLE_SM100A)
list(APPEND SGL_KERNEL_CUDA_FLAGS
"-gencode=arch=compute_100,code=sm_100"
Expand Down
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