Skip to content

[Bugfix] Re-enable FP8 MoE on NVIDIA Thor #46339

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
vllm-bot merged 3 commits into from
Jun 24, 2026
+3 −3
Merged

[Bugfix] Re-enable FP8 MoE on NVIDIA Thor #46339

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
7fa23c4
[Bugfix] Re-enable FP8 on NVIDIA Thor
DarkLight1337 Jun 22, 2026
b67b57a
Unify
DarkLight1337 Jun 22, 2026
c542f9f
Merge branch 'main' into fix-fp8-thor
DarkLight1337 Jun 23, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 2 additions & 2 deletions CMakeLists.txt
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -843,9 +843,9 @@ if(VLLM_GPU_LANG STREQUAL "CUDA" OR VLLM_GPU_LANG STREQUAL "HIP")
endif()

if(${CMAKE_CUDA_COMPILER_VERSION} VERSION_GREATER_EQUAL 13.0)
cuda_archs_loose_intersection(SCALED_MM_ARCHS "10.0f" "${CUDA_ARCHS}")
cuda_archs_loose_intersection(SCALED_MM_ARCHS "10.0f;11.0f" "${CUDA_ARCHS}")
else()
cuda_archs_loose_intersection(SCALED_MM_ARCHS "10.0a;10.3a" "${CUDA_ARCHS}")
cuda_archs_loose_intersection(SCALED_MM_ARCHS "10.0a;10.1a;10.3a" "${CUDA_ARCHS}")
endif()
if(${CMAKE_CUDA_COMPILER_VERSION} VERSION_GREATER_EQUAL 12.8 AND SCALED_MM_ARCHS)
set(CUTLASS_MOE_SM100_SRCS "csrc/libtorch_stable/quantization/w8a8/cutlass/moe/grouped_mm_c3x_sm100.cu")
Expand Down
2 changes: 1 addition & 1 deletion csrc/libtorch_stable/quantization/w8a8/cutlass/scaled_mm_entry.cu
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -180,7 +180,7 @@ bool cutlass_group_gemm_supported(int64_t cuda_device_capability) {

#if defined CUDA_VERSION
#if defined ENABLE_CUTLASS_MOE_SM100 && ENABLE_CUTLASS_MOE_SM100
if (cuda_device_capability >= 100 && cuda_device_capability < 110) {
if (cuda_device_capability >= 100 && cuda_device_capability < 120) {
return CUDA_VERSION >= 12080;
}
#endif
Expand Down
Loading