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onnxruntime/docs/Python_Dev_Notes.md
Pranav Sharma 89618e8f1e Initial bootstrap commit.
2018-11-19 16:48:22 -08:00

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Python Dev Notes

Each Python version uses a specific compiler version. In most cases, you should use the same compiler version for building python extensions.

Which Microsoft Visual C++ compiler to use with a specific Python version ?

Visual C++ CPython
2015, 2017 3.7
2015 3.5,3.6
2010 3.3,3.4
2008 2.6, 2.7, 3.0, 3.1, 3.2

Currently, ONNXRuntime only supports Visual C++ 2017. Therefore, Python 3.7 seems to be the best choice.

CPython 3.7 is distributed with a VC++ 2017 runtime. Unlike the earlier VC++ version, VC++ 2017 Runtime is binary backward compatible with VC++ 2015. Which means you could build your application with VC++ 2015 then run it with VC++ 2017 runtime.