Message 287113 - Python tracker

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In-reply-to
Author	vstinner
Recipients	serhiy.storchaka, vstinner
Date	2017年02月06日.09:45:46
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1486374346.45.0.948958746074.issue29461@psf.upfronthosting.co.za>

Content
Copy of msg287111 (issue #29460), Serhiy Storchaka (serhiy.storchaka): > The next question might it: would it be worth it to try using unlikely() > macro on (kwargs == NULL) test in the macro? ;-) Perhaps this may help in some critical tight loops (in implementations of dict, string operations or long integer arithmetic), but I doubt it can have any measurable effect when used once per a call of a function calling PyArg_Parse* and using many other stuff.

Content

Copy of msg287111 (issue #29460), Serhiy Storchaka (serhiy.storchaka):
> The next question might it: would it be worth it to try using unlikely()
> macro on (kwargs == NULL) test in the macro? ;-)
Perhaps this may help in some critical tight loops (in implementations of 
dict, string operations or long integer arithmetic), but I doubt it can have 
any measurable effect when used once per a call of a function calling 
PyArg_Parse* and using many other stuff.

History
Date	User	Action	Args
2017年02月06日 09:45:46	vstinner	set	recipients: + vstinner, serhiy.storchaka
2017年02月06日 09:45:46	vstinner	set	messageid: <1486374346.45.0.948958746074.issue29461@psf.upfronthosting.co.za>
2017年02月06日 09:45:46	vstinner	link	issue29461 messages
2017年02月06日 09:45:46	vstinner	create

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