apeforest commented on a change in pull request #17547: Fix cudnn Dropout
reproducibility
URL: https://github.com/apache/incubator-mxnet/pull/17547#discussion_r382968025
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File path: src/operator/nn/dropout-inl.h
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@@ -255,8 +255,13 @@ class DropoutOp {
Stream<xpu> *s = ctx.get_stream<xpu>();
// set dropout state.
- ctx.requested[0].get_cudnn_dropout_desc(&dropout_desc_, s, 1.0f -
this->pkeep_, seed_);
-
+ Random<xpu, unsigned> *prnd = ctx.requested[1].get_random<xpu,
unsigned>(s);
+ uint64_t rng_seed = (uint64_t) prnd->GetSeed();
Review comment:
If GetSeed() returns uint64_t you don't need the cast here
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