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opencv resize函数导致cpu占用率过高 #36

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lblbk opened this issue Nov 14, 2022 · 0 comments
Closed

opencv resize函数导致cpu占用率过高 #36

lblbk opened this issue Nov 14, 2022 · 0 comments

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@lblbk
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lblbk commented Nov 14, 2022 •
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nihui 大大，最近在搞项目的时候，用了你的 ncnn 和 opencv-mobile ,大体是依据这个大佬的项目修改的，其他环境是

ncnn-20210720-android-vulkan
opencv-mobile-3.4.16-android

我在运行的时候发现 resize 函数cpu占用率特别高，处理器是骁龙865，手机是find x
image
后面我想自己编译一下是否也一样，就用了其他人编译好的应该是官方库，链接在这, 结果占用率直接降下来了，当然这过程也会有一个 ncnn 的编译问题，我是按照你在ncnn issue中的回答编译的, 我换完库后cpu占用立马下来了
image
所以 nihui 大大如果有时间可以看下 opencv-mobile 中的 resize 是否有问题，哈哈哈

大大，我刚又去测了一下，官方版本的 android 版本 3 和 4 都不会出现问题，所以可能是 opencv-mobile 库的问题
@lblbk lblbk closed this as completed Oct 11, 2023
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@lblbk