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AscendAscend/agent-skills/skills/tilelang-vector-ascend-ops-migration/SKILL.md

tilelang-vector-ascend-ops-migration

Skill43 starsChanged 8 months agoMulanPSL-2.0View on GitHub

本skill用于指导TileLang算子从GPU(CUDA)平台迁移到华为昇腾NPU平台。通过分析GPU实现,自动生成对应的NPU实现代码。 在迁移过程中,GPU 和 NPU 的 API 接口存在显著差异,强烈建议参考以下文档: 最常见错误1:使用逐元素处理而非分块处理 这是 NPU 迁移中*最致命且最容易犯的错误*。NPU 的向量化架构要求使用分块处理,而不是逐元素处理。 为什么必须使用分块处理: 推荐的 block 大小: 最常见错误2:Grid 大小计算位置错误 在迁移过程中,另一个*最容易犯且最高频的错误*是在 @T.prim_func 内部定义局部变量来计算 grid 大小。 原因: T.Kernel 的 grid 参数在编译阶段求值,此时函数内部的局部变量还不存在。 解决方案: 始终在…

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