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fix recordfile dataset with multi worker #11370

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merged 3 commits into from
Jun 25, 2018
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Description

Con't fix as #10628 is closed.
This is considered a temporary solution, until a backend support is merged.
No API change.

Checklist

Essentials

Please feel free to remove inapplicable items for your PR.

  • The PR title starts with [MXNET-$JIRA_ID], where $JIRA_ID refers to the relevant JIRA issue created (except PRs with tiny changes)
  • Changes are complete (i.e. I finished coding on this PR)
  • All changes have test coverage:
  • Unit tests are added for small changes to verify correctness (e.g. adding a new operator)
  • Nightly tests are added for complicated/long-running ones (e.g. changing distributed kvstore)
  • Build tests will be added for build configuration changes (e.g. adding a new build option with NCCL)
  • Code is well-documented:
  • For user-facing API changes, API doc string has been updated.
  • For new C++ functions in header files, their functionalities and arguments are documented.
  • For new examples, README.md is added to explain the what the example does, the source of the dataset, expected performance on test set and reference to the original paper if applicable
  • Check the API doc at http://mxnet-ci-doc.s3-accelerate.dualstack.amazonaws.com/PR-$PR_ID/$BUILD_ID/index.html
  • To the my best knowledge, examples are either not affected by this change, or have been fixed to be compatible with this change

Changes

  • Feature1, tests, (and when applicable, API doc)
  • Feature2, tests, (and when applicable, API doc)

Comments

  • If this change is a backward incompatible change, why must this change be made.
  • Interesting edge cases to note here

@@ -72,6 +72,18 @@ def test_recordimage_dataset():
assert x.shape[0] == 1 and x.shape[3] == 3
assert y.asscalar() == i

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@with_seed

@szha szha merged commit 72fa6a9 into apache:master Jun 25, 2018
@zhreshold zhreshold deleted the fix-mp-fseek branch June 25, 2018 23:37
XinYao1994 pushed a commit to XinYao1994/incubator-mxnet that referenced this pull request Aug 29, 2018
* fix recordfile dataset with multi worker

* fix another test

* fix
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2 participants