[issue26201] Faster type checking in listobject.c

[STINNER Victor]

STINNER Victor added the comment:

> Unless you see an actual defect in the patch, I'm applying it.

Well, Serhiy Storchaka asked for a microbenchmark. For an optimization, it's a reasonable request no?


> Writing your own static optimizer from scratch is overkill.

My goal is to get speedup on macro benchmarks.

It's hard to get a real speedup on macro benchmark using micro-optimizations, even if we combine a lot of them. I'm not saying that micro optimization is a waste of time, I like micro-optimizing Python, but we should not abuse of it.

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<http://bugs.python.org/issue26201>
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