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私は如何にして心配するのを止めてPyTorchを愛するようになったか

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Chainermu2017 09-30

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私は如何にして心配するのを止めてPyTorchを愛するようになったか

  1. 1. 2017-09-30@ Chainer Meet UP
  2. 2. Yuta Kashino ( ) BakFoo, Inc. CEO Astro Physics /Observational Cosmology Zope / Python Realtime Data Platform for Enterprise / Prototyping
  3. 3. arXiv PyCon2015 Python PyCon2016 PyCon2017 DNN PPL Edward @yutakashino Yuta Kashino ( )
  4. 4. Dr. Strangelove - Dr. Strangelove or: How I Learned to Stop Worring and Love the Bomb - - 1964 - - - …
  5. 5. … TensorFlow Fold Dynamic: Define By Run Static: Define AND Run
  6. 6. TensorFlow Fold Dynamic: Define By Run
  7. 7.
  8. 8. PyTorch - Torch 7 Chainer - - Adam Paszke - Sam Gross - Soumith Chintala  - NYU FBAIR - 2017 2 v0.1.6
  9. 9. PyTorch - 2017 2 v0.1.6 Google Trend
  10. 10. PyTorch - TF/Keras … Google Trend
  11. 11. PyTorch - 2017 2 v0.1.6 Google Trend
  12. 12. - GPU(CUDA) - Define by Run: - Pythonic + python http://pytorch.org/tutorials/advanced/numpy_extensions_tutorial.html
  13. 13. autograd.Variable - - data, grad (, grad_fn) - chainer Variable - autograd.Variables Chainer fork - backward() data grad grad_fn
  14. 14. autograd.Variable data grad grad_fn x data grad grad_fn y data grad grad_fn z
  15. 15. autograd … - NLP DyNet 10 - Python addmm - ATen - https://twitter.com/kchonyc/status/899832376955744257 https://github.com/zdevito/aten https://goo.gl/Tujudr
  16. 16. - torcn.nn chainer.Chain chainer.links chainer.functions
  17. 17. chainer.ChainList
  18. 18. GPU - CPU → GPU: Variable cuda() - GPU → CPU: cpu() chainer
  19. 19. Chainer - Chainer - GPU Chainer - Chainer - torch.optim = chainer.optimizers - … - pytorch/tnt = chainer.training - Pythonic … https://github.com/pytorch/tnt
  20. 20. Chainer
  21. 21. - PyTorch - PyTorch - The Incredible PyTorch https://github.com/ritchieng/the-incredible-pytorch
  22. 22. - arXiv → → - →
  23. 23. - - StackOverFlow http://pytorch.org/tutorials/ https://discuss.pytorch.org/latest
  24. 24. - Practical Deep Learning with PyTorch on Udemy - - fast.ai https://www.udemy.com/practical-deep-learning-with-pytorch http://www.fast.ai/2017/09/08/introducing-pytorch-for-fastai/
  25. 25. Questions kashino@bakfoo.com @yutakashino
  26. 26. BakFoo, Inc. NHK NMAPS: +
  27. 27. BakFoo, Inc. PyConJP 2015 Python
  28. 28. BakFoo, Inc.
  29. 29. BakFoo, Inc. : SNS +

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