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Posted to issues@systemml.apache.org by "Fei Hu (JIRA)" <ji...@apache.org> on 2017/08/01 04:44:00 UTC

[jira] [Created] (SYSTEMML-1821) Improve the training process in mnist_lenet_distrib_sgd.dml

Fei Hu created SYSTEMML-1821:
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             Summary: Improve the training process in mnist_lenet_distrib_sgd.dml
                 Key: SYSTEMML-1821
                 URL: https://issues.apache.org/jira/browse/SYSTEMML-1821
             Project: SystemML
          Issue Type: Improvement
          Components: ParFor, Runtime
    Affects Versions: SystemML 1.0
            Reporter: Fei Hu
            Assignee: Fei Hu


SystemML engine will export the intermediate matrixes into HDFS, which may impair the performance of distributed model training. Therefore the unnecessary intermediate matrixes need to be avoided, and instead we can directly use the dimension index to compute the final batch matrix. 



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