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Device and Runtime Facts

【免费下载链接】cannbot-skillsCANNBot 是面向 CANN 开发的用于提升开发效率的系列智能体，本仓库为其提供可复用的 Skills 模块。项目地址: https://gitcode.com/cann/cannbot-skills

Use this file for device caps, pipe mappings, supportedauto_sync()pairs, and cross-side mutex signatures. Detailed reasoning still lives in the constraint and pattern pages.

Devices

Source:easyasc/globvars.py(defaults),easyasc/a5.py(overrides).

Pipe / op mapping (used byauto_sync())

Supportedauto_sync()pipe pairs:

• vec:MTE2 -> V(ubin),V -> MTE3(ubout)
• cube:MTE2 -> MTE1(l1),MTE1 -> M(l0),M -> FIX(fix)

Important reminders:

• there is noV -> MTE2pair
• dup()beforegm_to_ub_padis not auto-ordered
• l0c_to_l1is a real FIX-side republish path, not just a codegen detail
• practical consequence: when one matmul'sL0Cresult feeds a later cube-side matmul, and the intermediate value does not need vec-side UB math first, prefer directL0C -> L1reuse over detouring throughUB

Detail:agent/references/constraints/autosync.md.

Cross-side mutex patterns

• a5 cube -> vec:CvMutex(src_end_pipe=Pipe.FIX, dst_end_pipe=Pipe.V)
• a2 cube -> vec:CvMutex(src_end_pipe=Pipe.FIX, dst_end_pipe=Pipe.MTE2); requires GM workspace bridge
• a5 vec -> cube:VcMutex(src_end_pipe=Pipe.MTE3, dst_end_pipe=Pipe.FIX)
• a2 vec -> cube: sameVcMutexsignature, but the path still goes through GM workspace

Pattern references:

• a2 cube -> vec bridge:agent/references/patterns/a2-cube-vec.md
• a2 vec -> cube bridge:agent/references/patterns/a2-cube-vec-cube.md

【免费下载链接】cannbot-skillsCANNBot 是面向 CANN 开发的用于提升开发效率的系列智能体，本仓库为其提供可复用的 Skills 模块。项目地址: https://gitcode.com/cann/cannbot-skills