[GitHub] [incubator-mxnet] TaoLv edited a comment on issue #16735: Use single-bit for mask in dropout operator

[GitBox <gi...@apache.org>]

TaoLv edited a comment on issue #16735: Use single-bit for mask in dropout operator
URL: https://github.com/apache/incubator-mxnet/pull/16735#issuecomment-586662412
 
 
   > Why does it increase memory load?
   
   If there are N elements, per the Bernoulli distribution generation in VSL, we still need to allocate memory and write `N*4` bytes to it. To generate bit mask, we need load the `N*4` bytes back and write `N/8` bytes with bits.

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