STINNER Victor added the comment:

> You shouldn't cache Py_SIZE(v) because it can be changed during iteration.

Oops, I fixed the code on my PC, but I generated the patch before fixing this 
issue. I agree that Py_SIZE(v) should not be cached.

> Due to benchmark results in issue15381 I afraid this patch will be much 
> slower on Windows.

See my results on Windows 7 below, the benchmark is faster is most cases. 
PyUnicodeWriter is always faster than PyAccu if I change the overallocation 
factor to 50%.

----------

_______________________________________
Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue19513>
_______________________________________
_______________________________________________
Python-bugs-list mailing list
Unsubscribe: 
https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com

Reply via email to