e46dc142bf
What this PR does / why we need it? Enable kvcache_nz for the decode process in torchair graph mode, which reduces the time consumed by FA in long sequences. Does this PR introduce any user-facing change? If need to enable kvcache_nz, should set the additional_config.torchair_graph_config.enable_kv_nz=True How was this patch tested? 1. Tested in deepseek model: with batchsize 64 and seq_len 1k+3k, 61 layers FA total time improves 20.80ms -> 19.76ms 2. operator precision test: [aclnnFusedInferAttentionScoreV3_result.csv](https://github.com/user-attachments/files/20664138/aclnnFusedInferAttentionScoreV3_result.csv) 3. tpot test from @ttanzhiqiang, and curl one result is normal https://github.com/vllm-project/vllm-ascend/pull/1098#issuecomment-2948542159 https://github.com/vllm-project/vllm-ascend/pull/1098#issuecomment-2954496588 --------- Signed-off-by: chenwaner <861645847@qq.com>