eric-haibin-lin edited a comment on issue #14760: upcasting accumulation type in norm increases loss/Perplexity URL: https://github.com/apache/incubator-mxnet/issues/14760#issuecomment-485476287 Backward incompatibility is a concern. What about adding env var like MXNET_ENFORCE_SAFE_ACCUMULATION = 1 to trigger safe accumulation with higher precision on existing ops?
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