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Posted to commits@mxnet.apache.org by GitBox <gi...@apache.org> on 2018/09/12 06:36:34 UTC
[GitHub] vishaalkapoor commented on issue #12526: #12285 Breaks NDArrayIter
For 3D Arrays
vishaalkapoor commented on issue #12526: #12285 Breaks NDArrayIter For 3D Arrays
URL: https://github.com/apache/incubator-mxnet/issues/12526#issuecomment-420529336
@sandeep-krishnamurthy @zhreshold
Here's a specific example from the Nightly Binary test which just failed:
StraightDope: Python2 Single-GPU]
[StraightDope: Python2 Single-GPU]
[StraightDope: Python2 Single-GPU] IndexErrorTraceback (most recent call last)
[StraightDope: Python2 Single-GPU] <ipython-input-8-d40071ee971d> in <module>()
[StraightDope: Python2 Single-GPU] 20 train_data.reset()
[StraightDope: Python2 Single-GPU] 21 iter = 0
[StraightDope: Python2 Single-GPU] ---> 22 for batch in train_data:
[StraightDope: Python2 Single-GPU] 23 ############################
[StraightDope: Python2 Single-GPU] 24 # (1) Update D network: maximize log(D(x)) + log(1 - D(G(z)))
[StraightDope: Python2 Single-GPU]
[StraightDope: Python2 Single-GPU] /work/mxnet/python/mxnet/io/io.pyc in next(self)
[StraightDope: Python2 Single-GPU] 678 raise StopIteration
[StraightDope: Python2 Single-GPU] 679 data = self.getdata()
[StraightDope: Python2 Single-GPU] --> 680 label = self.getlabel()
[StraightDope: Python2 Single-GPU] 681 # iter should stop when last batch is not complete
[StraightDope: Python2 Single-GPU] 682 if data[0].shape[0] != self.batch_size:
[StraightDope: Python2 Single-GPU]
[StraightDope: Python2 Single-GPU] /work/mxnet/python/mxnet/io/io.pyc in getlabel(self)
[StraightDope: Python2 Single-GPU] 748 def getlabel(self):
[StraightDope: Python2 Single-GPU] 749 """Get label."""
[StraightDope: Python2 Single-GPU] --> 750 return self._batchify(self.label)
[StraightDope: Python2 Single-GPU] 751
[StraightDope: Python2 Single-GPU] 752 def getpad(self):
[StraightDope: Python2 Single-GPU]
[StraightDope: Python2 Single-GPU] /work/mxnet/python/mxnet/io/io.pyc in _batchify(self, data_source)
[StraightDope: Python2 Single-GPU] 730 self.cursor + self.batch_size > self.num_data:
[StraightDope: Python2 Single-GPU] 731 pad = self.batch_size - self.num_data + self.cursor
[StraightDope: Python2 Single-GPU] --> 732 first_data = self._getdata(data_source, start=self.cursor)
[StraightDope: Python2 Single-GPU] 733 second_data = self._getdata(data_source, end=pad)
[StraightDope: Python2 Single-GPU] 734 return self._concat(first_data, second_data)
[StraightDope: Python2 Single-GPU]
[StraightDope: Python2 Single-GPU] /work/mxnet/python/mxnet/io/io.pyc in _getdata(self, data_source, start, end)
[StraightDope: Python2 Single-GPU] 692 assert start is not None or end is not None, 'should at least specify start or end'
[StraightDope: Python2 Single-GPU] 693 start = start if start is not None else 0
[StraightDope: Python2 Single-GPU] --> 694 end = end if end is not None else data_source[0][1].shape[0]
[StraightDope: Python2 Single-GPU] 695 s = slice(start, end)
[StraightDope: Python2 Single-GPU] 696 return [
[StraightDope: Python2 Single-GPU]
[StraightDope: Python2 Single-GPU] IndexError: list index out of range
[StraightDope: Python2 Single-GPU] IndexError: list index out of range
[StraightDope: Python2 Single-GPU]
http://jenkins.mxnet-ci.amazon-ml.com/job/NightlyTests_onBinaries/148/console
The two notebooks are from The Straight Dope book that both repro the out of bounds error:
chapter14_generative-adversarial-networks/dcgan and
chapter14_generative-adversarial-networks/pixel2pixel available at
https://github.com/zackchase/mxnet-the-straight-dope
Vishaal
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