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Here are a set of contest (http://contest.kolivas.net) benchmarks using the
osdl (http://www.osdl.org) hardware with the complete rewrite of contest
(v0.61pre):
The only change in the format is that the ratio is now the ratio vs the
no_load value for that kernel. All of these are new results as the old values
are no longer valid with the new version.
no_load:
Kernel [runs] Time CPU% Loads LCPU% Ratio
2.5.54 2 79 94.9 0 0.0 1.00
2.5.55 2 78 96.2 0 0.0 1.00
2.5.56 3 79 96.2 0 0.0 1.00
2.5.57 3 79 96.2 0 0.0 1.00
2.5.58 2 79 96.2 0 0.0 1.00
cacherun:
Kernel [runs] Time CPU% Loads LCPU% Ratio
2.5.54 2 76 98.7 0 0.0 0.96
2.5.55 2 76 98.7 0 0.0 0.97
2.5.56 3 76 100.0 0 0.0 0.96
2.5.57 3 76 100.0 0 0.0 0.96
2.5.58 2 76 100.0 0 0.0 0.96
process_load:
Kernel [runs] Time CPU% Loads LCPU% Ratio
2.5.54 2 93 81.7 29 17.2 1.18
2.5.55 2 94 79.8 30 17.0 1.21
2.5.56 3 93 80.6 29 16.1 1.18
2.5.57 3 93 81.7 28 16.1 1.18
2.5.58 2 92 81.5 27 15.2 1.16
ctar_load:
Kernel [runs] Time CPU% Loads LCPU% Ratio
2.5.54 3 133 83.5 1 3.8 1.68
2.5.55 3 133 78.9 1 3.8 1.71
2.5.56 3 152 75.7 1 4.6 1.92
2.5.57 3 132 79.5 1 3.8 1.67
2.5.58 3 117 82.1 1 6.0 1.48
xtar_load:
Kernel [runs] Time CPU% Loads LCPU% Ratio
2.5.54 3 104 80.8 1 4.8 1.32
2.5.55 3 113 79.6 1 6.2 1.45
2.5.56 3 111 78.4 1 6.3 1.41
2.5.57 3 107 80.4 1 5.6 1.35
2.5.58 3 122 80.3 1 6.6 1.54
io_load:
Kernel [runs] Time CPU% Loads LCPU% Ratio
2.5.54 3 126 61.9 6 11.8 1.59
2.5.55 3 126 63.5 6 12.7 1.62
2.5.56 3 131 59.5 7 13.0 1.66
2.5.57 5 124 64.5 5 11.3 1.57
2.5.58 3 153 54.9 8 14.3 1.94
read_load:
Kernel [runs] Time CPU% Loads LCPU% Ratio
2.5.54 3 95 82.1 9 5.3 1.20
2.5.55 3 95 82.1 9 5.3 1.22
2.5.56 3 99 80.8 6 6.1 1.25
2.5.57 3 100 80.0 6 7.0 1.27
2.5.58 3 96 82.3 9 5.2 1.22
list_load:
Kernel [runs] Time CPU% Loads LCPU% Ratio
2.5.54 3 91 84.6 0 8.8 1.15
2.5.55 3 91 84.6 0 8.8 1.17
2.5.56 3 91 84.6 0 8.8 1.15
2.5.57 3 91 84.6 0 8.8 1.15
2.5.58 3 91 85.7 0 8.8 1.15
mem_load:
Kernel [runs] Time CPU% Loads LCPU% Ratio
2.5.54 3 107 76.6 47 0.9 1.35
2.5.55 3 116 73.3 66 1.7 1.49
2.5.56 3 107 80.4 45 0.9 1.35
2.5.57 3 110 80.0 47 0.9 1.39
2.5.58 3 107 73.8 66 1.9 1.35
dbench_load:
Kernel [runs] Time CPU% Loads LCPU% Ratio
2.5.54 3 118 66.1 3 24.6 1.49
2.5.55 3 117 68.4 2 16.2 1.50
2.5.56 3 89 60.7 4 24.7 1.13
2.5.57 4 96 64.6 2 20.7 1.22
2.5.58 3 122 64.8 3 24.6 1.54
A full set of archived results and hardware specs can be found here:
http://www.osdl.org/projects/ctdevel/results/
This is a good time to repeat the bug report that looked like spam last time I
posted it (sorry my mailer seemed to bork):
Since moving contest to c I get an error trying to fork with all 2.5 kernels I
try after running it on the 6th load. The error does not occur with any 2.4
kernels. I have confirmed it is still present on 2.5.58.
To reproduce the problem:
Run the latest version of contest without arguments (0.61pre) and after
no_load,cacherun,process_load,ctar_load,xtar_load and io_load it bombs out
with:
bmark.c:43: SYSTEM ERROR: Cannot allocate memory : fork error
It seems to occur only after a few loads followed by io_load.
This is not an application error and does not occur with 2.4.x kernels. It
happens every time and with all 2.5 kernels I have tried. I can start contest
again without problems after each error and eventually will run into the same
error.
Con
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This archive was generated by hypermail 2b29 : Thu Jan 23 2003 - 22:00:12 EST