Message 159849 - Python tracker

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Author	vstinner
Recipients	loewis, pitrou, python-dev, serhiy.storchaka, vstinner
Date	2012-05-03.11:12:18
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1336043539.74.0.988825440924.issue14687@psf.upfronthosting.co.za>
In-reply-to

Content
Results on 32 bits (Intel Core i5 CPU 661 @ 3.33GHz) on Linux 3.0 with a new patch. Python 3.2: 10000000 loops, best of 3: 0.133 usec per loop 100000 loops, best of 3: 4.64 usec per loop 1000000 loops, best of 3: 0.637 usec per loop 1000000 loops, best of 3: 0.364 usec per loop Python 3.3 @ 1439e2d1f490 (before my first optimization on str%tuple): 10000000 loops, best of 3: 0.193 usec per loop 100000 loops, best of 3: 10.1 usec per loop 1000000 loops, best of 3: 0.838 usec per loop 1000000 loops, best of 3: 0.825 usec per loop Python 3.3 + patch, overallocate 50%: 10000000 loops, best of 3: 0.15 usec per loop 100000 loops, best of 3: 8.27 usec per loop 1000000 loops, best of 3: 0.527 usec per loop 1000000 loops, best of 3: 0.566 usec per loop Python 3.3 + patch, overallocate 25%: 10000000 loops, best of 3: 0.142 usec per loop 100000 loops, best of 3: 7.93 usec per loop 1000000 loops, best of 3: 0.532 usec per loop 1000000 loops, best of 3: 0.546 usec per loop I'm going to commit the new patch with an overallocation of 25%.

Results on 32 bits (Intel Core i5 CPU 661 @ 3.33GHz) on Linux 3.0 with a new patch.

Python 3.2:
 
10000000 loops, best of 3: 0.133 usec per loop
100000 loops, best of 3: 4.64 usec per loop
1000000 loops, best of 3: 0.637 usec per loop
1000000 loops, best of 3: 0.364 usec per loop

Python 3.3 @ 1439e2d1f490 (before my first optimization on str%tuple):

10000000 loops, best of 3: 0.193 usec per loop
100000 loops, best of 3: 10.1 usec per loop
1000000 loops, best of 3: 0.838 usec per loop
1000000 loops, best of 3: 0.825 usec per loop

Python 3.3 + patch, overallocate 50%:

10000000 loops, best of 3: 0.15 usec per loop
100000 loops, best of 3: 8.27 usec per loop
1000000 loops, best of 3: 0.527 usec per loop
1000000 loops, best of 3: 0.566 usec per loop

Python 3.3 + patch, overallocate 25%:

10000000 loops, best of 3: 0.142 usec per loop
100000 loops, best of 3: 7.93 usec per loop
1000000 loops, best of 3: 0.532 usec per loop
1000000 loops, best of 3: 0.546 usec per loop

I'm going to commit the new patch with an overallocation of 25%.

History
Date	User	Action	Args
2012-05-03 11:12:19	vstinner	set	recipients: + vstinner, loewis, pitrou, python-dev, serhiy.storchaka
2012-05-03 11:12:19	vstinner	set	messageid: <1336043539.74.0.988825440924.issue14687@psf.upfronthosting.co.za>
2012-05-03 11:12:19	vstinner	link	issue14687 messages
2012-05-03 11:12:18	vstinner	create