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adding preliminary Blackwell support #51

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Merged
merged 2 commits into from
Mar 4, 2025
Merged

adding preliminary Blackwell support #51

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5aecd78
adding priimary Blackwell support
kushanam Feb 25, 2025
e6e0733
guarding blackwell build against cuda < 12.8
kushanam Mar 4, 2025
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8 changes: 6 additions & 2 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,9 @@ set(PYTHON_SUPPORTED_VERSIONS "3.8" "3.9" "3.10" "3.11" "3.12")

# Supported NVIDIA architectures.
set(CUDA_SUPPORTED_ARCHS "8.0;8.6;8.9;9.0")
if(${CMAKE_CUDA_COMPILER_VERSION} VERSION_GREATER_EQUAL 12.8)
list(APPEND CUDA_SUPPORTED_ARCHS "10.0" "10.1" "12.0")
endif()

# Supported AMD GPU architectures.
set(HIP_SUPPORTED_ARCHS "gfx906;gfx908;gfx90a;gfx940;gfx941;gfx942;gfx1030;gfx1100")
Expand Down Expand Up @@ -132,7 +135,7 @@ if (FA2_ENABLED)

# For CUDA we set the architectures on a per file basis
if (VLLM_GPU_LANG STREQUAL "CUDA")
cuda_archs_loose_intersection(FA2_ARCHS "8.0;9.0" "${CUDA_ARCHS}")
cuda_archs_loose_intersection(FA2_ARCHS "8.0;9.0;10.0;10.1;12.0" "${CUDA_ARCHS}")
message(STATUS "FA2_ARCHS: ${FA2_ARCHS}")

set_gencode_flags_for_srcs(
Expand Down Expand Up @@ -196,8 +199,9 @@ if (FA3_ENABLED AND ${CMAKE_CUDA_COMPILER_VERSION} GREATER_EQUAL 12.0)
set(FA3_GEN_SRCS ${FA3_BF16_GEN_SRCS} ${FA3_FP16_GEN_SRCS})

# For CUDA we set the architectures on a per file basis
# FaV3 is not yet supported in Blackwell
if (VLLM_GPU_LANG STREQUAL "CUDA")
cuda_archs_loose_intersection(FA3_ARCHS "8.0;9.0a" "${CUDA_ARCHS}")
cuda_archs_loose_intersection(FA3_ARCHS "8.0;9.0a;" "${CUDA_ARCHS}")
message(STATUS "FA3_ARCHS: ${FA3_ARCHS}")

set_gencode_flags_for_srcs(
Expand Down
2 changes: 1 addition & 1 deletion csrc/cutlass
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Submodule cutlass updated 169 files