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model-infer-multi-stream

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UpdatedJuly 2, 2026 at 09:07

NPU 多流技术知识技能。提供整网模块 / 算子 DAG 拆解、模块间与模块内并行性判断、多流候选编排派生、TorchAir(Ascend IR/GE) 与 npugraph_ex/aclgraph 的多流 API 路由、切流 / 同步 / 控核实现,以及假并行(overlap_pct)排查与 Profile 验证等技术规则。供两类工作引用:形成多流优化候选 plan,以及实施 / review 多流改造。触发场景包括:多流、双流、stream overlap、控核、limit_core_num、整网 DAG、模块拆解、npu_stream_switch、npu_wait_tensor、TorchAir 多流、record_stream、多流假并行排查。本技能只提供多流技术规则,不做 Plan / round 编排。

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