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Fix reduce_kernel_M1 #12026

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merged 2 commits into from
Aug 4, 2018
Merged

Fix reduce_kernel_M1 #12026

merged 2 commits into from
Aug 4, 2018

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leezu
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@leezu leezu commented Aug 3, 2018

Description

reduce_kernel_M1 did not call Reducer::Reduce and Reducer::Finalize. This was OK before #11573 introduced Reducer::Finalize but would result in wrong results now (see below). It was not caught by CI, as CI only tested the reduce_kernel_M1 only in a small number of runs (depending on the shape returned by rand_shape_nd).

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

  • Fix norm(ord=2) reduction along axis of dim 1

Comments

Example of wrong result

In [1]: arr
Out[1]:

[[-1.7136755 ]
[ 0.87057507]]
<NDArray 2x1 @gpu(0)>

In [62]: mx.nd.norm(arr, ord=2, axis=1)
Out[62]:

[-1.7136755 0.87057507]
<NDArray 2 @gpu(0)>

@leezu leezu requested a review from anirudh2290 as a code owner August 3, 2018 21:18
@leezu leezu force-pushed the fixbroadcastreducecu branch from 3e1932e to 82bca38 Compare August 3, 2018 22:24
@leezu leezu force-pushed the fixbroadcastreducecu branch from 82bca38 to 873ba00 Compare August 4, 2018 00:15
@szha szha merged commit 6f7ef57 into apache:master Aug 4, 2018
@leezu leezu deleted the fixbroadcastreducecu branch August 4, 2018 06:03
aaronmarkham pushed a commit to aaronmarkham/incubator-mxnet that referenced this pull request Aug 6, 2018
@leezu @aaronmarkham
Fix reduce_kernel_M1 (apache#12026)
bcf50c1 
* Fix reduce_kernel_M1

* Improve test_norm
aaronmarkham added a commit to aaronmarkham/incubator-mxnet that referenced this pull request Aug 7, 2018
@aaronmarkham
turning off r docs until CI can handle it
65abe1e 
[MXNET-750] fix nested call on CachedOp. (apache#11951)

* fix nested call on cachedop.

* fix.

extend reshape op to allow reverse shape inference (apache#11956)

Improve sparse embedding index out of bound error message; (apache#11940)

[MXNET-770] Remove fixed seed in flaky test (apache#11958)

* Remove fixed seed in flaky test

* Remove fixed seed in flaky test

Update ONNX docs with the latest supported ONNX version (apache#11936)

Reduced test to 3 epochs and made gpu only (apache#11863)

* Reduced test to 3 epochs and made GPU only

* Moved logger variable so that it's accessible

Fix flaky tests for test_laop_4 (apache#11972)

Updating R client docs (apache#11954)

* Updating R client docs

* Forcing build

Fix install instructions for MXNET-R (apache#11976)

* fix install instructions for MXNET-R

* fix install instructions for MXNET-R

* fix default cuda version for MXNet-R

[MXNET-751] fix ce_loss flaky (apache#11971)

* add xavier initializer

* remove comment line

[MXNET-769] set MXNET_HOME as base for downloaded models through base.data_dir() (apache#11636)

* set MXNET_DATA_DIR as base for downloaded models through base.data_dir()
push joblib to save containers so is not required when running

* MXNET_DATA_DIR -> MXNET_HOME

[MXNET-748] linker fixed on Scala issues (apache#11989)

* put force load back as a temporary solution

* use project.basedir as relative path for OSX linker

[MXNET-772] Re-enable test_module.py:test_module_set_params (apache#11979)

[MXNET-771] Fix Flaky Test test_executor.py:test_dot (apache#11978)

* use assert_almost_equal, increase rtol, reduce matrix size

* remove seed in test_bind

* add seed 0 to test_bind, it is still flaky

* add comments for tracking

remove mod from arity 2 version of load-checkpoint in clojure-package (apache#11808)

* remove mod from arity 2 version of load-checkpoint

* load-checkpoint arity 2 test

Add unit test stage for mxnet cpu in debug mode (apache#11974)

Website broken link fixes (apache#12014)

* fix broken link

* fix broken link

* switch to .md links

* fix broken link

removed seed from flaky test (apache#11975)

Disable ccache log print due to threadunsafety (apache#11997)

Added default tolerance levels for regression checks for MBCC (apache#12006)

* Added tolerance level for assert_almost_equal for MBCC

* Nudge to CI

Disable flaky mkldnn test_requantize_int32_to_int8 (apache#11748)

[MXNET-769] Usability improvements to windows builds (apache#11947)

* Windows scripted build
Adjust Jenkins builds to use ci/build_windows.py

Issues:

    apache#8714
    apache#11100
    apache#10166
    apache#10049

* Fix bug

* Fix non-portable ut

* add xunit

Fix import statement (apache#12005)

array and multiply are undefined. Importing them from
ndarray

Disable flaky test test_random.test_gamma_generator (apache#12022)

[MXNET-770] Fix flaky test: test_factorization_machine_module (apache#12023)

* Remove fixed seed in flaky test

* Remove fixed seed in flaky test

* Update random seed to reproduce the issue

* Fix Flaky unit test and add a training test

* Remove fixed seed in flaky test

* Update random seed to reproduce the issue

* Fix Flaky unit test and add a training test

* Increase accuracy check

disable opencv threading for forked process (apache#12025)

Bug fixes in control flow operators (apache#11942)

Fix data narrowing warning on graph_executor.cc (apache#11969)

Fix flaky tests for test_squared_hinge_loss (apache#12017)

Fix flaky tests for test_hinge_loss (apache#12020)

remove fixed seed for test_sparse_ndarray/test_operator_gpu.test_sparse_nd_pickle (apache#12012)

Removed fixed seed from , test_loss:test_ctc_loss_train (apache#11985)

Removed fixed seed from , test_loss:test_sample_weight_loss (apache#11986)

Fix reduce_kernel_M1 (apache#12026)

* Fix reduce_kernel_M1

* Improve test_norm

Update test_loss.py to remove fixed seed (apache#11995)

[MXNET-23] Adding support to profile kvstore server during distributed training  (apache#11215)

* server profiling

merge with master

cleanup old code

added a check and better info message

add functions for C compatibility

fix doc

lint fixes

fix compile issues

lint fix

build error

update function signatures to preserve compatibility

fix comments

lint

* add part1 of test

* add integration test

Re-enabling test_ndarray/test_cached (apache#11950)

Test passes on CPU and GPU (10000 runs)

make gluon rnn layers hybrid blocks (apache#11482)

* make Gluon RNN layer hybrid block

* separate gluon gpu tests

* remove excess assert_raises_cudnn_disabled usage

* add comments and refactor

* add bidirectional test

* temporarily remove hybridize in test_gluon_rnn.test_layer_fill_shape

[MXNET-751] fix bce_loss flaky (apache#11955)

* add fix to bce_loss

* add comments

* remove unecessary comments

Doc fix for a few optimizers (apache#12034)

* Update optimizer.py

* Update optimizer.py
XinYao1994 pushed a commit to XinYao1994/incubator-mxnet that referenced this pull request Aug 29, 2018
@leezu @szha
Fix reduce_kernel_M1 (apache#12026)
48f8d03 
* Fix reduce_kernel_M1

* Improve test_norm
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@leezu @szha