Message 361533 - Python tracker

Message361533

Author	shihai1991
Recipients	eric.snow, ncoghlan, petr.viktorin, shihai1991, vstinner
Date	2020-02-07.02:59:23
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1581044363.25.0.714382126411.issue39465@roundup.psfhosted.org>
In-reply-to

Content
> The GIL avoids any risk of race condition, no? Looks like the GIL would affect performance more or less? >_Py_IDENTIFIER() would only be a "key" and _PyUnicode_FromId() would >store the value somewhere in a hash table stored in PyInterpreterState. +1. IMHO, for those two cases, the simplest idea is move IDENTIFIER to moduleState which would increase more memory usage than InterpreterState.

Content

> The GIL avoids any risk of race condition, no?

Looks like the GIL would affect performance more or less?

>_Py_IDENTIFIER() would only be a "key" and _PyUnicode_FromId() would >store the value somewhere in a hash table stored in PyInterpreterState.

+1.

IMHO, for those two cases, the simplest idea is move IDENTIFIER to moduleState which would increase more memory usage than InterpreterState.

History
Date	User	Action	Args
2020-02-07 02:59:23	shihai1991	set	recipients: + shihai1991, ncoghlan, vstinner, petr.viktorin, eric.snow
2020-02-07 02:59:23	shihai1991	set	messageid: <1581044363.25.0.714382126411.issue39465@roundup.psfhosted.org>
2020-02-07 02:59:23	shihai1991	link	issue39465 messages
2020-02-07 02:59:23	shihai1991	create