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`F.triplet` test still fails sometime

See original GitHub issue

The test of F.triplet sometime fails because of unreasonably large value of numerical grad result in FP16 double backward test. It may be because that input of the second order backward would contain some values around non-differentiable points.

Issue Analytics

  • State:closed
  • Created 5 years ago
  • Comments:8 (6 by maintainers)

github_iconTop GitHub Comments

2reactions
crcrparcommented, Feb 7, 2019

I rewrote the test just now using chainer.testing.FunctionTestCase with dodge_nondifferentiable = True and it looks stable (I ran the test >100 times w/o failures). ref: https://github.com/crcrpar/chainer/blob/rewrite-triplet/tests/chainer_tests/functions_tests/loss_tests/test_triplet.py

0reactions
toslunarcommented, Oct 15, 2019

The issue is now tracked by #8024.

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