NVIDIA / NVIDIA/TransformerEngine

[BUG] fp8blockscaled training not converging on sm120

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Python
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Description

I have tried nvfp4 training which converges on sm120, but fp8blockscaled recipe won't converge for any of its available options. Is it because of power of 2 scale (cannot be set False for sm120 arch) that causes the problem?

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Research direction

The issue names no file, test, or entry point. Begin by reproducing fp8blockscaled training on sm120 across its available options, then determine whether the power-of-two scale setting explains non-convergence; done means the cause is established and a validated fix or documented limitation is available.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
machine-learning
Issue type
Bug
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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