altosaar commented on issue #10508: MXNet much slower than TensorFlow
   Dang, I knew it was a silly bug on my end–thanks for catching that 
@ThomasDelteil :) I just pushed the 
 You're right, should have caught that by realizing that millions of 
iterations/s is very unreasonable.
   Here are the new timings I get:
   TensorFlow 1.7.0 CPU:
   Iteration: 1000 ELBO: -131.288 s/iter: 5.380e-03
   Iteration: 2000 ELBO: -122.167 s/iter: 5.253e-03
   TensorFlow 1.7.0 GPU:
   Iteration: 1000 ELBO: -142.142 s/iter: 3.681e-03
   Iteration: 2000 ELBO: -114.007 s/iter: 3.725e-03
   This matches the MXNet timings 👍 :)
   P.S. I agree examples/s is good in some cases. For generative models, I find 
time/iteration more informative (the convergence of the objective should be 
measured in number of parameter updates, not epochs, so this is what I focus 

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