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子线程推理的环境下，开启OpenMP存在内存泄漏，定位到是在ncnn::copy_make_border处产生的 #5865

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hchen2862 opened this issue Jan 2, 2025 · 1 comment
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子线程推理的环境下，开启OpenMP存在内存泄漏，定位到是在ncnn::copy_make_border处产生的 #5865

hchen2862 opened this issue Jan 2, 2025 · 1 comment

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@hchen2862
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hchen2862 commented Jan 2, 2025 •
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开启OpenMP:
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关闭OpenMP:
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@hchen2862 hchen2862 changed the title 子线程推理下，开启OpenMP存在内存泄漏，定位到是在ncnn::copy_make_border处产生的 子线程推理的环境下，开启OpenMP存在内存泄漏，定位到是在ncnn::copy_make_border处产生的 Jan 2, 2025
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nihui commented Jan 2, 2025

每个用户态的子线程，比如 pthread std::thread，都会自动创建一个子线程作用域内的 openmp 线程池，这是 libgomp / libomp 内部控制的，这个线程池不会立即释放

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