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在树莓派2上(ubuntu的系统)上编译运行比caffe慢2倍? #134

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Weyne168 opened this issue Sep 14, 2017 · 4 comments
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@Weyne168
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你好,我们在树莓派2(cortex-A7架构)的开发板上编译运行了squeezenet demo,但结果是caffe的时间大概是300ms左右,而ncnn则超过600ms,请问是否正常,或者可能是有些编译选项没设置?(我们已经加了armeabi-v7a O3)

@nihui
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nihui commented Sep 14, 2017

参考 #28

@Lebron8997
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你好,我这里也是树莓派2,从测试看squeezenet demo ,caffe+openblas 时间大概是300ms左右, 编译不用 Neon是 1100ms, 用 Neon 是 600 ms (参考 #28), 感觉比 caffe 慢得多啊? 还请多多指教
CMakeCache.txt

@wl3b10s
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wl3b10s commented Feb 11, 2018

我在 8xA53下跑squeezenet是80ms左右。 你看看你运行时是不是没打开多线程并行?

@nihui
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nihui commented Dec 22, 2018

wiki how to build 更新了树莓派3和arm-linux交叉编译方法,可参考

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