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在dx算子中,B矩阵有一个转置逆序的过程,从ND format (Cout, Cin, Hk, Wk)转到Nz format (Cout1, -Hk, -Wk, Cin1, Cin0, Cout0),但是MTE2 DN2NZ的transpose的效率很低,如果将转置的过程都交给MTE2处理,会导致严重MTE2 bound。
述求来源:部分网络用例性能优化 团队:卷积反向算子开发组
/assign @Zehai
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Backgroud(背景信息)
在dx算子中,B矩阵有一个转置逆序的过程,从ND format (Cout, Cin, Hk, Wk)转到Nz format (Cout1, -Hk, -Wk, Cin1, Cin0, Cout0),但是MTE2 DN2NZ的transpose的效率很低,如果将转置的过程都交给MTE2处理,会导致严重MTE2 bound。
Origin(信息来源)
述求来源:部分网络用例性能优化
团队:卷积反向算子开发组
Benefit / Necessity (价值/作用)
Design(设计方案)