[singa] branch dev updated (2c08b40 -> 84c920c)

[wa...@apache.org]

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wangwei pushed a change to branch dev
in repository https://gitbox.apache.org/repos/asf/singa.git.


    from 2c08b40  Merge pull request #766 from chrishkchris/testfix
     new 850c8ba  add where operator
     new 61891a7  add onnx gpt2 example
     new 6ac87ea  Merge branch 'dev' of https://github.com/apache/singa into add-onnx-gpt-model
     new 84c920c  Merge pull request #755 from joddiy/add-onnx-gpt-model

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Summary of changes:
 examples/onnx/gpt2/gpt2.py          | 110 +++++++++++++++++++++++++++++++++++
 examples/onnx/gpt2/requirements.txt |   1 +
 python/singa/autograd.py            | 111 +++++++++++++++++++++++++++++++++---
 python/singa/sonnx.py               |  18 +++++-
 test/python/test_operation.py       |  30 ++++++++++
 5 files changed, 259 insertions(+), 11 deletions(-)
 create mode 100644 examples/onnx/gpt2/gpt2.py
 create mode 100644 examples/onnx/gpt2/requirements.txt