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Multi-gpu training degrades performance #95
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Just curious, how severe is the degradation? Did you also adjust for batch size and learning rate when training on multiple GPUs? |
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Hi, is there any caution with this lib when use multiple gpus in training? Like taking special attention to InnerBatchnorm, etc? I train two versions of the same network structure, one on one gpu while the other on multiple gpus and their performances differ a lot.
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