ThomasDelteil commented on issue #10508: MXNet much slower than TensorFlow URL: https://github.com/apache/incubator-mxnet/issues/10508#issuecomment-380675020 You have an error in your tensorflow code @altosaar You are setting `t0 = time.time()` right before computing: `(time.time() - t0)` Hence the number through the roof for tensorflow (0.5M iter/sec on CPU should have startled you 😄 ) After fixing that, using your benchmark and rewriting the metrics, MXNet is twice faster 🎉 : MXNet: ``` Iter 11000 ELBO: -132.9 Examples/s: 24981.99 Iter 12000 ELBO: -124.8 Examples/s: 26717.71 ``` Tensorflow: ``` Iteration: 10000 ELBO: -96.456 Examples/s: 10878.597 Iteration: 11000 ELBO: -103.466 Examples/s: 10898.741 ```
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