[Python-Dev] collections module

Jeff Epler jepler at unpythonic.net
Wed Jan 14 16:42:06 EST 2004


On Wed, Jan 14, 2004 at 11:01:42AM -0600, Jeff Epler wrote:
> Here are the parrotbench results, using the "user" field from "make
[snip]

I tried to reproduce these results on a Fedora Core 1 machine (x86,
1GHz) but found that the unpatched version performed better by about
.4%.  I realized that the binary I used had threading disabled.  I
recompiled and measured the patched version as 1% slower.

Jeff

                CVS             List Optimization
FC1             28.73           28.9
No threading    28.78           28.84
"user" time     28.65           28.78
on parrotbench  28.77           28.83
                28.81           28.87
                28.84           28.9
                28.65           28.83
                28.75           28.87
                28.67           28.82
                28.79           28.95
                                
Minimum         28.65           28.78
Maximum         28.84           28.95
Median          28.76           28.86
Mean            28.74           28.86
St.Dev          0.07            0.05
T-test          0.05%           
Difference      0.11            0.40%
of means
                
FC1             29.08           29.32
Threading       29.03           29.24
"user" time     29.52           29.37
on parrotbench  29.2            29.31
                29.5            29.82
                29.12           29.81
                29.12           29.69
                29.1            29.3
                28.99           29.67
                29.11           29.12
                                
Minimum         28.99           29.12
Maximum         29.52           29.82
Median          29.12           29.35
Mean            29.18           29.47
St.Dev          0.18            0.26
T-test          1.05%           
Difference      0.29            0.99%
of means



More information about the Python-Dev mailing list