[FLYDSL] [TRITON] Attention backward mxfp8 gfx950#3094
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[FLYDSL] [TRITON] Attention backward mxfp8 gfx950#3094
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Extended tests (opt-in via labels):
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![github-actions[bot]](https://avatars.githubusercontent.com/in/15368?s=60&v=4){kind=small}
| qk = qk * sm_scale | ||
| m = qk.max(dim=-1)[0] | ||
| p = (qk - m[:, :, None]).exp() | ||
| l = p.sum(dim=-1) |
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| causal=causal, | ||
| waves_per_eu=_wpe, | ||
| ) | ||
| print(f"✓ Kernel prepared") |
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| qk = qk * sm_scale | ||
| m = qk.max(dim=-1)[0] | ||
| p = (qk - m[:, :, None]).exp() | ||
| l = p.sum(dim=-1) |
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Comment on lines
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| import time | ||
| import numpy as np |
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| ) | ||
| non_torch_memory_before = cuda_memory_before - torch_memory_before | ||
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| data = func(*args, **kwargs) |
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Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
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Motivation
Support mxfp8 attention backward in FlyDSL on gfx950.
Technical Details
Test Plan
Correctness tests for each kernel.
Test Result
Tests pass.
Submission Checklist