I have found a related issue here: https://github.com/apache/incubator-mxnet/issues/18667 If I change the last line to `self.assign(out_data[0], req[0], y.as_in_context(out_data[0].context))` or `self.assign(out_data[0], req[0], y)`, then I will receive the same error as the issue I mention above. However, my different ranks are in the same machine so the endian format should be the same?
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