【Hackathon 9th No.89】为FastDeploy集成 SageAttn v2/2++ #1157
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chang-wenbin
approved these changes
Oct 14, 2025
| - qk_int8_sv_f8_accum_f16_fuse_v_scale_attn_inst_buf # FP16累积版本 | ||
| - qk_int8_sv_f8_accum_f32_fuse_v_scale_fuse_v_mean_attn # 融合V均值 | ||
| #### sm90 | ||
| - qk_int8_sv_f8_accum_f32_fuse_v_scale_attn |
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建议先接入SM90架构算子跑通流程，后续同步进行验证以及其他架构接入。
| triton算子实现sm86架构 | ||
| #### sm86 | ||
| - attn_qk_int8_block_varlen | ||
| - attn_qk_int8_per_block_causal_varlen |
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LLM服务下想要有性能收益必须要支持varlen，cudakernel可以参考paddlenlp PR中的算子修改进行验证。
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为FastDeploy集成 SageAttn v2++的RFC