azai91 commented on issue #13369: MKLDNN LSTM Regression in MKLDNN 0.17 URL: https://github.com/apache/incubator-mxnet/issues/13369#issuecomment-442193464 Performance pre-mkldnn 0.17 (commit: 498e03da7ce420a48050fcd363aacb8dec2516f7) 2018-11-27 19:46:30,234 Epoch[0] Batch [0-50] Speed: 31.46 samples/sec perplexity=5543.863167 2018-11-27 19:47:14,732 Epoch[0] Batch [0-100] Speed: 35.96 samples/sec perplexity=3904.193633 2018-11-27 19:47:59,995 Epoch[0] Batch [0-150] Speed: 35.35 samples/sec perplexity=3247.239610 2018-11-27 19:48:49,773 Epoch[0] Batch [0-200] Speed: 32.14 samples/sec perplexity=2776.427683 2018-11-27 19:49:35,590 Epoch[0] Batch [0-250] Speed: 34.92 samples/sec perplexity=2494.544111 2018-11-27 19:50:23,366 Epoch[0] Batch [0-300] Speed: 33.49 samples/sec perplexity=2257.146195
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