xidulu commented on issue #16373: Round and sign straight-through-estimators C operators. URL: https://github.com/apache/incubator-mxnet/pull/16373#issuecomment-538607576 @sxjscience You are right, `straight through estimator` could be useful when performing hard assignment on relaxed discrete variable. (e.g. https://arxiv.org/pdf/1611.01144.pdf section 2.2).
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