jonatan1626 commented on issue #17159: Performance regression from 1.4.1 to 1.5.1 URL: https://github.com/apache/incubator-mxnet/issues/17159#issuecomment-569095188 Thanks @wuxun-zhang! Here are the results of my run (I switched the iterations to 10000): **mxnet-mkl==1.4.1** ``` operator ================= Name Total Count Time (ms) Min Time (ms) Max Time (ms) Avg Time (ms) ---- ----------- --------- ------------- ------------- ------------- SoftmaxOutput 40000 1150.4480 0.0200 15.1680 0.0288 DeleteVariable 100000 398.5110 0.0000 0.0290 0.0040 Reorder 120000 284.6760 0.0010 0.2120 0.0024 WaitForVar 40000 394.4030 0.0050 0.0280 0.0099 Pooling 80000 3309.8770 0.0180 19.7900 0.0414 _sg_mkldnn_conv 2120000 425492.1875 0.0320 32.0680 0.2007 BatchNorm 40000 4496.3232 0.0350 31.7840 0.1124 FullyConnected 40000 11512.5957 0.2460 27.1810 0.2878 Flatten 40000 6089.9600 0.1300 12.0980 0.1522 CopyCPU2CPU 60002 7034.2251 0.0890 0.1550 0.1172 ``` **mxnet-mkl==1.5.1** ``` operator ================= Name Total Count Time (ms) Min Time (ms) Max Time (ms) Avg Time (ms) ---- ----------- --------- ------------- ------------- ------------- _sg_mkldnn_conv 2120000 382184.0938 0.0340 32.2100 0.1803 _sg_mkldnn_fully_connected 40000 5580.2979 0.1250 13.9900 0.1395 CopyCPU2CPU 60002 6630.0391 0.0780 0.2140 0.1105 BatchNorm 40000 3444.3301 0.0360 20.4180 0.0861 SoftmaxOutput 40000 2328.8540 0.0420 23.9040 0.0582 Pooling 80000 3521.3201 0.0200 21.3320 0.0440 Flatten 40000 889.5670 0.0170 17.4920 0.0222 WaitForVar 40000 518.3480 0.0060 0.0290 0.0130 DeleteVariable 20000 169.5460 0.0040 0.0310 0.0085 Reorder 40000 75.0850 0.0010 0.0190 0.0019 ``` **mxnet-mkl==1.6** ``` operator ================= Name Total Count Time (ms) Min Time (ms) Max Time (ms) Avg Time (ms) ---- ----------- --------- ------------- ------------- ------------- _sg_mkldnn_conv 1060000 196001.8281 0.0360 31.9680 0.1849 CopyCPU2CPU 30001 3590.7620 0.0860 0.1810 0.1197 _sg_mkldnn_fully_connected 20000 3062.9231 0.1370 25.2740 0.1531 BatchNorm 20000 1971.8280 0.0570 26.9690 0.0986 Pooling 40000 1834.4380 0.0210 21.8530 0.0459 SoftmaxOutput 20000 987.8520 0.0370 19.0080 0.0494 Flatten 20000 462.1840 0.0170 11.9900 0.0231 WaitForVar 19999 264.5960 0.0080 0.0300 0.0132 DeleteVariable 10000 90.5490 0.0050 0.0310 0.0091 Reorder 20000 48.6460 0.0020 0.0180 0.0024 ```
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