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Author alexandre.vassalotti
Recipients Arfrever, alexandre.vassalotti, asvetlov, neologix, pitrou, rhettinger, serhiy.storchaka
Date 2013-05-03.22:18:42
SpamBayes Score -1.0
Marked as misclassified Yes
Message-id <1367619522.33.0.167094102273.issue17810@psf.upfronthosting.co.za>
In-reply-to
Content 
The framing patch seems to have a significant negative effect on performance.

Report on Linux avassalotti 3.2.5-gg1130 #1 SMP Mon Feb 4 02:25:47 PST 2013 x86_64 x86_64
Total CPU cores: 12

### fastpickle ###
Min: 0.447194 -> 0.505841: 1.13x slower
Avg: 0.455517 -> 0.509537: 1.12x slower
Significant (t=-22.05)
Stddev: 0.01438 -> 0.00967: 1.4875x smaller

### fastunpickle ###
Min: 0.583922 -> 0.638744: 1.09x slower
Avg: 0.589183 -> 0.649506: 1.10x slower
Significant (t=-21.77)
Stddev: 0.00939 -> 0.01720: 1.8324x larger

Would it be possible to mitigate the regression?
History
Date User Action Args
2013-05-03 22:18:42alexandre.vassalottisetrecipients: + alexandre.vassalotti, rhettinger, pitrou, Arfrever, asvetlov, neologix, serhiy.storchaka
2013-05-03 22:18:42alexandre.vassalottisetmessageid: <1367619522.33.0.167094102273.issue17810@psf.upfronthosting.co.za>
2013-05-03 22:18:42alexandre.vassalottilinkissue17810 messages
2013-05-03 22:18:42alexandre.vassalotticreate