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Hot-fix CCCL based TMA by simply disabling it for the moment - #2777

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seberg wants to merge 1 commit into
NVIDIA:mainfrom
seberg:disable-tma-cccl
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Hot-fix CCCL based TMA by simply disabling it for the moment#2777
seberg wants to merge 1 commit into
NVIDIA:mainfrom
seberg:disable-tma-cccl

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@seberg

@seberg seberg commented Sep 6, 2026

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As linked in the referenced issue, my current understanding is that CCCL will stop requiring loading nvrtc which totally changes how we should be fixing things.

So the full fix which should rely on using CCCL as a submodule needs to wait for that.
Until then, let's maybe just disable it as a very minimal fix that bakes in status-quo but doesn't go up in flames on systems where CCCL headers happen to be found...

See also: NVIDIA/cccl#11231
(We can work around this part, which is already the state of gh-2428, but if CCCL fixes it on main soonish and we vendor CCCL, then it feels like we might as well wait a bit.)

Checklist

  • New or existing tests cover these changes.
  • The documentation is up to date with these changes.

As linked in the referenced issue, my current understanding is that
CCCL will stop requiring loading nvrtc which totally changes how
we should be fixing things.

So the full fix which should rely on using CCCL as a submodule needs
to wait for that.
Until then, let's maybe just disable it as a very minimal fix that
bakes in status-quo but doesn't go up in flames on systems where
CCCL headers happen to be found...
@github-actions github-actions Bot added the cuda.core Everything related to the cuda.core module label Sep 6, 2026
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github-actions Bot commented Sep 6, 2026

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@seberg seberg self-assigned this Sep 6, 2026
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