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ccJia avatar ccJia commented on May 12, 2024 3

@aitaoquanyi 在一些传统的模型里面IM2COL+GEMM的效果还不错( 非separate convolution的情景)，但是在新的 像 mobilenet这样的网络里面，IM2COL会占用掉大多数的时间，甚至大于GEMM的时间，感觉还是要根据实际的网络来定的。

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zsffq999 avatar zsffq999 commented on May 12, 2024

哪个卷积类是基类，针对android的卷积派生类是用汇编写的

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sunjunlishi avatar sunjunlishi commented on May 12, 2024

是的img2col的话，速度会提高一倍多（不用多指令加速，不用openblas）

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interqhq avatar interqhq commented on May 12, 2024

@ccJia 赞同你的观点，im2col也是要消耗时间的，要根据实际的特点来采用合适的方法

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nihui avatar nihui commented on May 12, 2024

最新代码已有 im2col + gemm 的实现

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