Message 281763 - Python tracker

Message281763

Author	rhettinger
Recipients	larry, martin.panter, mdk, rhettinger, vstinner
Date	2016-11-26.10:19:49
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1480155590.08.0.901636725856.issue28754@psf.upfronthosting.co.za>
In-reply-to

Content
Curiously, this patch gives about a 10% to 15% speedup. Any sense of how that improvement arises? $ py3.7 -m timeit -s 'from bisect import bisect' -s 'a=list(range(100))' 'bisect(a, 10)' 229 nsec # Clang baseline 202 nsec # Clang with patch 189 nsec # GCC-6 baseline 156 nsec # Gcc-6 with patch

Content

Curiously, this patch gives about a 10% to 15% speedup.  Any sense of how that improvement arises?

$ py3.7 -m timeit -s 'from bisect import bisect' -s 'a=list(range(100))' 'bisect(a, 10)'

229 nsec     # Clang baseline 
202 nsec     # Clang with patch

189 nsec     # GCC-6 baseline
156 nsec     # Gcc-6 with patch

History
Date	User	Action	Args
2016-11-26 10:19:50	rhettinger	set	recipients: + rhettinger, vstinner, larry, martin.panter, mdk
2016-11-26 10:19:50	rhettinger	set	messageid: <1480155590.08.0.901636725856.issue28754@psf.upfronthosting.co.za>
2016-11-26 10:19:50	rhettinger	link	issue28754 messages
2016-11-26 10:19:49	rhettinger	create