HyperZealot commented on issue #12997: A better take forward kernel for CPU URL: https://github.com/apache/incubator-mxnet/pull/12997#issuecomment-434436260 @rongzha1 Your memory bandwidth seems suspiciously high to me (>100GB/s), are you using a special type of memory? You can measure the memory bandwidth using STREAM: http://www.cs.virginia.edu/stream/ref.html to determine whether the numbers you get are not exceeding the actual peak memory bandwidth of your machine or not. I got about ~30GB/s on my machine.
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