Wallart opened a new issue #16754: Is mirroring working with MXNet 1.5.1 Gluon ? URL: https://github.com/apache/incubator-mxnet/issues/16754 Hello everyone, I am currently implementing a Sparse/LogSparse transformer. I would like some layers results to be re-computed at backward pass to save memory. I tried the MXNET_BACKWARD_DO_MIRROR env variable. My network is hybridizable so I also tried to call _set_attr(force_mirroring='True') on the generated symbols. But, it doesn't seems to have any effect on memory consumption. Is mirroring supposed to work on Gluon API under MXNet 1.5.1 ?
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