➜

This issue tracker has been migrated to GitHub, and is currently read-only.
For more information, see the GitHub FAQs in the Python's Developer Guide.

Author vstinner
Recipients alexandre.vassalotti, pitrou, vstinner
Date 2012-08-09.22:03:37
SpamBayes Score -1.0
Marked as misclassified Yes
Message-id <1344549818.53.0.700171963452.issue15596@psf.upfronthosting.co.za>
In-reply-to
Content 
For your information, results of benchmark comparing Python 3.2 to 3.3:

ned$ python3 perf.py -b fastpickle,pickle_dict,pickle_list,slowpickle ../3.2/python ../default/python 
Running fastpickle...
INFO:root:Running ../default/python performance/bm_pickle.py -n 50 --use_cpickle pickle
INFO:root:Running ../3.2/python performance/bm_pickle.py -n 50 --use_cpickle pickle
Running pickle_dict...
INFO:root:Running ../default/python performance/bm_pickle.py -n 50 --use_cpickle pickle_dict
INFO:root:Running ../3.2/python performance/bm_pickle.py -n 50 --use_cpickle pickle_dict
Running pickle_list...
INFO:root:Running ../default/python performance/bm_pickle.py -n 50 --use_cpickle pickle_list
INFO:root:Running ../3.2/python performance/bm_pickle.py -n 50 --use_cpickle pickle_list
Running slowpickle...
INFO:root:Running ../default/python performance/bm_pickle.py -n 50 pickle
INFO:root:Running ../3.2/python performance/bm_pickle.py -n 50 pickle

Report on Linux ned 3.4.4-4.fc16.x86_64 #1 SMP Thu Jul 5 20:01:38 UTC 2012 x86_64 x86_64
Total CPU cores: 8

### fastpickle ###
Min: 0.455842 -> 0.542103: 1.19x slower
Avg: 0.462334 -> 0.547271: 1.18x slower
Significant (t=-101.15)
Stddev: 0.00362 -> 0.00471: 1.3028x larger
Timeline: b'http://tinyurl.com/btr644x'

### pickle_dict ###
Min: 0.360125 -> 0.345850: 1.04x faster
Avg: 0.364019 -> 0.348431: 1.04x faster
Significant (t=30.84)
Stddev: 0.00308 -> 0.00181: 1.6973x smaller
Timeline: b'http://tinyurl.com/cd3ashu'

### pickle_list ###
Min: 0.803941 -> 0.584800: 1.37x faster
Avg: 0.811115 -> 0.589200: 1.38x faster
Significant (t=455.00)
Stddev: 0.00261 -> 0.00225: 1.1612x smaller
Timeline: b'http://tinyurl.com/8u4m2wf'

### slowpickle ###
Min: 0.409008 -> 0.461257: 1.13x slower
Avg: 0.413668 -> 0.466201: 1.13x slower
Significant (t=-115.31)
Stddev: 0.00236 -> 0.00219: 1.0772x smaller
Timeline: b'http://tinyurl.com/czrg5kf'
History
Date User Action Args
2012-08-09 22:03:38vstinnersetrecipients: + vstinner, pitrou, alexandre.vassalotti
2012-08-09 22:03:38vstinnersetmessageid: <1344549818.53.0.700171963452.issue15596@psf.upfronthosting.co.za>
2012-08-09 22:03:37vstinnerlinkissue15596 messages
2012-08-09 22:03:37vstinnercreate