INFO:root:Namespace(batch_norm=False, batch_size=256, data_dir='~/.mxnet/datasets/imagenet', dtype='float32', last_gamma=False, log_interval=50, logging_dir='logs', lr=0.4, lr_decay=0.1, lr_decay_epoch='40,60', lr_decay_period=0, lr_mode='cosine', mode='hybrid', model='resnet34_v2', momentum=0.9, num_epochs=120, num_gpus=4, num_workers=30, rec_train='/media/ramdisk/rec/train.rec', rec_train_idx='/media/ramdisk/rec/train.idx', rec_val='/media/ramdisk/rec/val.rec', rec_val_idx='/media/ramdisk/rec/val.idx', save_dir='params_resnet34_v2', save_frequency=10, use_pretrained=False, use_rec=True, use_se=False, warmup_epochs=5, warmup_lr=0.0, wd=0.0001) [16:58:37] src/io/iter_image_recordio_2.cc:170: ImageRecordIOParser2: /media/ramdisk/rec/train.rec, use 15 threads for decoding.. [16:58:39] src/io/iter_image_recordio_2.cc:170: ImageRecordIOParser2: /media/ramdisk/rec/val.rec, use 15 threads for decoding.. [16:58:59] src/operator/nn/./cudnn/./cudnn_algoreg-inl.h:107: Running performance tests to find the best convolution algorithm, this can take a while... 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