rahul003 commented on issue #9774: mx.io.ImageRecordIter does not respect dtype argument / FP16 performance on Volta URL: https://github.com/apache/incubator-mxnet/issues/9774#issuecomment-367141388 Okay cool, I'll try to document that. I was using the maximum batch size which is a multiple of 8 that I could fit with p3.16x, i.e. 960 for the imagenet script, and set data-nthreads to 24. ```python train_imagenet.py --data-train ... --data-val ... --batch-size 960 --gpus 0,1,2,3,4,5,6,7 --dtype float16```
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