fix(cuda): include Blackwell SM 120 in default CUDA builds - #805
Merged
PabloCarmona merged 1 commit intoOct 4, 2026
Merged
Conversation
Signed-off-by: Zhaoxian Wu <wuzhaoxian97@gmail.com>
PabloCarmona
approved these changes
Oct 4, 2026
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Related issues
None.
Description
Default CUDA builds target SM 75, 80, and 89, leaving the native extension without an SM 120 cubin for Blackwell GPUs.
Details
Add SM 120 to the default
RPU_CUDA_ARCHITECTURESlist. CMake already applies this list to the CUDA library and extension targets. With CUDA 12.9,cuobjdump --list-elfshowedsm_75,sm_80, andsm_89on upstream, and those three plussm_120on this branch.