[v0.9.1][bugfix] fix accuracy prolem for deepseek V3/R1 models with torchair graph in long sequence predictions #1332
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… long sequence scenarios Signed-off-by: linfeng-yuan <1102311262@qq.com>
wangxiyuan
approved these changes
Jun 21, 2025
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What this PR does / why we need it?
Fix the issue of insufficient cached cosine and sine length in MLA's TorchAir graph mode, which causes accuracy deviation during long-sequence inference.
Backported: #1331
Does this PR introduce any user-facing change?
No.
How was this patch tested?
We tested the accuracy of this patch with DeepSeek R1 e2e becnhmark serving, and get 83.33 sore for AIME2024 dataset with DP4TP4EP16 setting.
