Message 274105 - Python tracker

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Author	vstinner
Recipients	barry, eli.bendersky, ethan.furman, ezio.melotti, martin.panter, python-dev, r.david.murray, rhettinger, serhiy.storchaka, veky, vstinner
Date	2016-09-01.09:04:03
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1472720643.37.0.144755923831.issue23591@psf.upfronthosting.co.za>
In-reply-to

Content
As noticed by veky on the review, _high_bit() is slow and can be optimized using int.bit_length(). Attached bit_length.patch implements this. _high_bit(0) returns -1. Maybe an exception must be raised if the argument is < 1? (also fail for negative number)

As noticed by veky on the review, _high_bit() is slow and can be optimized using int.bit_length(). Attached bit_length.patch implements this.

_high_bit(0) returns -1. Maybe an exception must be raised if the argument is < 1? (also fail for negative number)

History
Date	User	Action	Args
2016-09-01 09:04:03	vstinner	set	recipients: + vstinner, barry, rhettinger, ezio.melotti, r.david.murray, eli.bendersky, ethan.furman, python-dev, martin.panter, serhiy.storchaka, veky
2016-09-01 09:04:03	vstinner	set	messageid: <1472720643.37.0.144755923831.issue23591@psf.upfronthosting.co.za>
2016-09-01 09:04:03	vstinner	link	issue23591 messages
2016-09-01 09:04:03	vstinner	create