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 ``` python train_imagenet.py --data-train data/imagenet1k-train.rec --data-val data/imagenet1k-val.rec --gpus 0,1,2,3,4,5,6,7 --dtype float16 --num-epochs 1 --batch-size 1280 --data-nthreads 24 ``` ```python train_imagenet.py --data-train ... --data-val ... --batch-size 960 --gpus 0,1,2,3,4,5,6,7 --dtype float16 --data-nthreads 24```
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