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配置项只改了下面两项, visible_devices: '0, 1' multiprocessing_num: 24 因为:我的主机是2块2080ti显卡,cpu是2颗12核 可是我训练速度很慢,cpu, gpu, 内存利用率都很低
如果我只用一张gpu卡,速度反而加快了,
不知道为什么,各位大牛,帮帮忙!谢谢
The text was updated successfully, but these errors were encountered:
查看cpu、gpu的使用情况,发现: 1、在gpu开始训练前,只有一个cpu核在预加载数据,利用率近100% 2、在预加载第一批数据后,gpu开始训练,只配了一张卡,利率用近50%,此时cpu全空闲 3、第一批预加载的数据训练完,就进入到cpu加载一个batchsize,然后gpu训练一个batchsize的阶段,此时,cpu,gpu利用率超低,估计不是并行的
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配置项只改了下面两项,
visible_devices: '0, 1'
multiprocessing_num: 24
因为:我的主机是2块2080ti显卡,cpu是2颗12核
可是我训练速度很慢,cpu, gpu, 内存利用率都很低
如果我只用一张gpu卡,速度反而加快了,
不知道为什么,各位大牛,帮帮忙!谢谢
The text was updated successfully, but these errors were encountered: