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FromCon Kolivas <>
SubjectRe: [BENCHMARK] vm swappiness with contest
DateFri, 27 Dec 2002 21:00:36 +1100
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On Fri, 27 Dec 2002 04:46 pm, Con Kolivas wrote:
> Here is a family of contest benchmarks using the osdl hardware in
> uniprocessor mode on 2.5.53-mm1 while varying vm swappiness. s020 is vm
> swappiness=20 and so on:
SNIP--->
Heres a set with 50 as well

noload:
Kernel [runs]           Time    CPU%    Loads   LCPU%   Ratio
s000 [3]                71.1    95      0       0       1.07
s020 [5]                71.9    95      0       0       1.08
s040 [5]                71.7    95      0       0       1.07
s050 [5]                71.4    96      0       0       1.07
s060 [5]                71.3    96      0       0       1.07
s080 [5]                71.3    95      0       0       1.07
s100 [5]                71.6    95      0       0       1.07

cacherun:
Kernel [runs]           Time    CPU%    Loads   LCPU%   Ratio
s000 [3]                68.4    99      0       0       1.02
s020 [5]                68.8    99      0       0       1.03
s040 [5]                68.7    99      0       0       1.03
s050 [5]                68.8    99      0       0       1.03
s060 [5]                68.6    99      0       0       1.03
s080 [5]                68.5    99      0       0       1.03
s100 [5]                68.7    99      0       0       1.03

process_load:
Kernel [runs]           Time    CPU%    Loads   LCPU%   Ratio
s000 [3]                119.0   57      49      41      1.78
s020 [5]                119.4   57      49      41      1.79
s040 [5]                118.6   57      48      41      1.78
s050 [5]                116.5   58      46      40      1.75
s060 [5]                117.6   57      47      41      1.76
s080 [5]                119.5   57      49      41      1.79
s100 [5]                118.4   58      48      40      1.77

dbench_load:
Kernel [runs]           Time    CPU%    Loads   LCPU%   Ratio
s000 [3]                191.6   41      1       43      2.87
s020 [5]                195.5   40      1       44      2.93
s040 [5]                197.9   41      1       43      2.96
s050 [5]                914.6   15      0       6       13.70
s060 [5]                331.4   32      0       23      4.96
s080 [5]                439.4   24      0       10      6.58
s100 [5]                883.6   13      1       9       13.24
woah hitting some sort of resonance here with 50

ctar_load:
Kernel [runs]           Time    CPU%    Loads   LCPU%   Ratio
s000 [3]                113.4   81      3       10      1.70
s020 [5]                103.3   80      2       9       1.55
s040 [5]                110.0   79      3       9       1.65
s050 [5]                97.8    82      2       7       1.46
s060 [5]                103.0   80      3       9       1.54
s080 [5]                104.4   80      2       8       1.56
s100 [5]                100.2   80      2       8       1.50
and a dip here

xtar_load:
Kernel [runs]           Time    CPU%    Loads   LCPU%   Ratio
s000 [3]                139.2   65      3       8       2.09
s020 [5]                128.7   70      2       7       1.93
s040 [5]                152.8   59      3       7       2.29
s050 [5]                112.7   75      1       5       1.69
s060 [5]                137.0   64      2       6       2.05
s080 [5]                124.6   66      2       6       1.87
s100 [5]                127.6   66      2       6       1.91
dip here

io_load:
Kernel [runs]           Time    CPU%    Loads   LCPU%   Ratio
s000 [3]                121.8   63      21      17      1.82
s020 [5]                125.9   61      22      17      1.89
s040 [5]                130.1   59      22      17      1.95
s050 [5]                220.0   40      28      12      3.30
s080 [5]                174.6   47      27      15      2.62
s100 [5]                208.1   42      25      11      3.12
peak here

io_other:
Kernel [runs]           Time    CPU%    Loads   LCPU%   Ratio
s000 [3]                103.6   73      18      17      1.55
s020 [5]                135.4   62      25      18      2.03
s040 [5]                157.7   57      28      18      2.36
s050 [5]                154.7   56      22      14      2.32
s060 [5]                188.1   48      32      16      2.82
s080 [5]                246.2   37      38      15      3.69
s100 [5]                378.8   24      45      11      5.67

read_load:
Kernel [runs]           Time    CPU%    Loads   LCPU%   Ratio
s000 [3]                89.7    80      15      7       1.34
s020 [5]                91.1    79      13      6       1.36
s040 [5]                90.6    79      12      6       1.36
s050 [5]                89.1    81      12      5       1.33
s060 [5]                90.3    79      12      6       1.35
s080 [5]                90.3    79      12      6       1.35
s100 [5]                92.2    78      10      5       1.38

list_load:
Kernel [runs]           Time    CPU%    Loads   LCPU%   Ratio
s000 [3]                81.8    85      0       9       1.23
s020 [5]                81.9    85      0       9       1.23
s040 [5]                82.0    85      0       9       1.23
s050 [5]                82.9    85      0       8       1.24
s060 [5]                82.2    85      0       8       1.23
s080 [5]                82.7    85      0       8       1.24
s100 [5]                83.1    85      0       8       1.24

mem_load:
Kernel [runs]           Time    CPU%    Loads   LCPU%   Ratio
s000 [3]                233.2   32      65      1       3.49
s020 [5]                172.3   42      50      1       2.58
s040 [5]                163.8   46      44      1       2.45
s050 [5]                223.6   33      36      1       3.35
s060 [5]                192.2   39      38      1       2.88
s080 [5]                186.4   42      37      0       2.79
s100 [5]                128.2   57      37      1       1.92
and peak here

50 seems real bad for some things. Some sort of algorithm resonance occurs at 
50

Con
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