Message 401624 - Python tracker

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MSVC 2019 has a /Ob3 option:
https://docs.microsoft.com/en-us/cpp/build/reference/ob-inline-function-expansion

From the experience of another project, I conjecture /Ob3 increase the "global budget" mentioned in the blog.
I used /Ob3 for the 3.10 branch, and there seems to be no significant performance change. If you have time, neonene welcome to verify this.