larroy commented on issue #12160: Remove conflicting llvm OpenMP from cmake builds URL: https://github.com/apache/incubator-mxnet/pull/12160#issuecomment-502308095 Mnist results: This PR: ``` (py3_venv) piotr@ec2 cpu:0: ~/m/e/module [omp]> /usr/bin/time python mnist_mlp.py [23:07:54] ../src/io/iter_mnist.cc:110: MNISTIter: load 60000 images, shuffle=1, shape=(100,784) [23:07:54] ../src/io/iter_mnist.cc:110: MNISTIter: load 10000 images, shuffle=1, shape=(100,784) epoch 000: accuracy=0.123883 epoch 001: accuracy=0.679983 INFO:root:Epoch[0] Train-accuracy=0.133283 INFO:root:Epoch[0] Time cost=1.047 INFO:root:Epoch[0] Validation-accuracy=0.252500 INFO:root:Epoch[1] Train-accuracy=0.725100 INFO:root:Epoch[1] Time cost=1.017 INFO:root:Epoch[1] Validation-accuracy=0.866900 batch 000 acc: 0.910 batch 020 acc: 0.890 batch 040 acc: 0.870 batch 060 acc: 0.910 batch 080 acc: 0.840 validation Accuracy: 0.867 accuracy=0.866900 174.10user 8.20system 0:07.17elapsed 2541%CPU (0avgtext+0avgdata 501636maxresident) #### 100 epoch: 4733.37user 13.77system 2:14.40elapsed 3531%CPU (0avgtext+0avgdata 501476maxresident)k 0inputs+0outputs (0major+649505minor)pagefaults 0swaps ``` Master 3b663ef6cc9bc6992d769b8ae7fa8e72e4f3201b ``` (py3_venv) piotr@ec2 cpu:0: ~/m/e/module [master]> /usr/bin/time python mnist_mlp.py [23:08:09] ../src/io/iter_mnist.cc:110: MNISTIter: load 60000 images, shuffle=1, shape=(100,784) [23:08:09] ../src/io/iter_mnist.cc:110: MNISTIter: load 10000 images, shuffle=1, shape=(100,784) epoch 000: accuracy=0.123883 epoch 001: accuracy=0.679983 INFO:root:Epoch[0] Train-accuracy=0.133283 INFO:root:Epoch[0] Time cost=0.781 INFO:root:Epoch[0] Validation-accuracy=0.252500 INFO:root:Epoch[1] Train-accuracy=0.725100 INFO:root:Epoch[1] Time cost=0.935 INFO:root:Epoch[1] Validation-accuracy=0.866900 batch 000 acc: 0.910 batch 020 acc: 0.890 batch 040 acc: 0.870 batch 060 acc: 0.910 batch 080 acc: 0.840 validation Accuracy: 0.867 accuracy=0.866900 105.58user 83.53system 0:06.92elapsed 2733%CPU (0avgtext+0avgdata 502812maxresident)k 0inputs+0outputs (0major+266146minor)pagefaults 0swaps ##### With 100 epochs: 2654.15user 2779.46system 2:33.42elapsed 3541%CPU (0avgtext+0avgdata 503584maxresident)k 0inputs+0outputs (0major+697918minor)pagefaults 0swaps ```
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