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openmp crash #297

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tfzhou opened this issue Mar 16, 2018 · 3 comments
Closed

openmp crash #297

tfzhou opened this issue Mar 16, 2018 · 3 comments

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@tfzhou
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tfzhou commented Mar 16, 2018

在android端，使用自带的example调用openmp没有问题。但是在自己封装的一个jni中使用openmp，程序会crash，即使jni只有一个最简单的for循环。

调用omp_get_thread_num()没有问题，其它调用会crash。猜想是不是因为在spawn threads的时候出问题。唯一觉得有关的就是set_cpu_powersave函数，但是并没有找到其被调用的地方。

@nihui 请问有没有什么地方可能导致这个问题
@nihui
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nihui commented Mar 16, 2018

android ndk 版本是 r15c 或者更新版本？

@tfzhou
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tfzhou commented Mar 16, 2018

r15c

@tfzhou
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tfzhou commented Mar 16, 2018

我用r11c编译没有问题了，看来时ndk的问题

@tfzhou tfzhou closed this as completed Mar 16, 2018
@zhu-zhaofei zhu-zhaofei mentioned this issue Dec 19, 2021
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@nihui @tfzhou