zixuanweeei commented on issue #17086: [MKLDNN] RNN Op gradient computation is broken URL: https://github.com/apache/incubator-mxnet/issues/17086#issuecomment-566022563 @liuzh91 I can reproduce the result. The gradients of bias in LSTM are very large as you mentioned, and the gradient of weights in LSTM looks normal. Currently, we can `export MXNET_USE_MKLDNN_RNN=0` for a workaround. It would be highly appreciated if you could give a try upon 52c9a45abc8d1f8228ec9ed1bad7f137137fd96b.
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