liumilan commented on issue #8500: program crash when run sparse model predict URL: https://github.com/apache/incubator-mxnet/issues/8500#issuecomment-349613974 If I skip the forward/backward/update/update_metric,the cost time is reduced from 1303.680s to 276.323s.It did cost much time when get batch data. It may be a issue for every io iter,not only libsvmIter? @eric-haibin-lin
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