How to accelerate the permute for 3D matrix

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AniCnx
AniCnx 2021-10-25
评论： James Tursa 2021-10-25
How to accelerate the permute for the matrix 512x512x200 by using version R2020b?
such as
A=randi(512,[512 512 200]);
B=permute(A,[3,2,1]);
  1 个评论
James Tursa
James Tursa 2021-10-25
The better question is what are you doing with this result downstream in your code, and is there a way to accomplish what you want to do without permuting the data (which involves deep data copies).

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回答（1 个）

Jan
Jan 2021-10-25
You can't. permute works efficiently already.

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