Re: [BENCHMARK] I/O regression after 2.6.0-test5

From: rwhron
Date: Fri Oct 24 2003 - 07:44:33 EST

>> NOTPM was better with AS in test5? Does using as-iosched.c from test5
>> in a test8 kernel help?

> If that helps, can you try this patch.

That patch helps the AIM7 database load a little, but the
big regression is still there.

2.6.0-test8 = vanilla
2.6.0-test8-as = vanilla + as-iosched.c from test5
2.6.0-test8-asc2 = vanilla + patch.

AIM7 dbase workloa
kernel Tasks Jobs/Min Real CPU
2.6.0-test8-as 32 601.0 316.3 134.0
2.6.0-test8-as2 32 304.3 624.6 128.8
2.6.0-test8 32 299.8 634.0 128.6

2.6.0-test8-as 64 782.6 485.8 259.2
2.6.0-test8-as2 64 458.2 829.8 245.7
2.6.0-test8 64 450.5 843.9 246.5

2.6.0-test8-as 96 869.1 656.1 387.6
2.6.0-test8 96 549.7 1037.4 366.0
2.6.0-test8-as2 96 543.4 1049.4 370.0

2.6.0-test8-as 128 919.3 827.0 522.8
2.6.0-test8-as2 128 564.1 1348.0 496.6
2.6.0-test8 128 558.7 1360.8 497.6

2.6.0-test8-as 160 955.0 995.2 650.3
2.6.0-test8-as2 160 534.2 1779.2 618.2
2.6.0-test8 160 522.1 1820.2 612.2

2.6.0-test8-as 192 981.9 1161.5 790.9
2.6.0-test8-as2 192 535.6 2129.3 746.5
2.6.0-test8 192 515.5 2212.4 742.7

2.6.0-test8-as 224 1002.3 1327.5 910.2
2.6.0-test8 224 529.9 2510.8 859.5
2.6.0-test8-as2 224 526.4 2527.5 852.9

2.6.0-test8-as 256 1009.9 1505.7 1027.7
2.6.0-test8 256 552.4 2753.0 980.4
2.6.0-test8-as2 256 548.9 2770.4 975.3


AIM7 fserver workload
kernel Tasks Jobs/Min Real CPU
2.6.0-test8-as 4 80.5 301.0 37.0
2.6.0-test8-as2 4 46.4 521.9 42.5
2.6.0-test8 4 42.3 573.6 40.9

2.6.0-test8-as 8 133.0 364.6 64.0
2.6.0-test8 8 63.3 765.7 71.6
2.6.0-test8-as2 8 59.9 809.1 74.4

2.6.0-test8-as 12 166.7 436.3 93.4
2.6.0-test8 12 83.2 874.2 95.0
2.6.0-test8-as2 12 62.6 1161.5 99.5

2.6.0-test8-as 16 175.9 551.2 111.5
2.6.0-test8 16 87.5 1108.4 102.5
2.6.0-test8-as2 16 84.1 1152.9 109.6

2.6.0-test8-as 20 186.3 650.7 133.8
2.6.0-test8 20 105.0 1154.6 136.7
2.6.0-test8-as2 20 101.3 1196.4 135.8

2.6.0-test8-as 24 202.8 717.3 161.2
2.6.0-test8-as2 24 121.4 1198.0 164.1
2.6.0-test8 24 111.2 1308.1 162.2

2.6.0-test8-as 28 207.1 819.3 200.0
2.6.0-test8 28 130.7 1297.9 185.8
2.6.0-test8-as2 28 128.0 1326.1 190.3

2.6.0-test8-as 32 210.6 920.7 226.5
2.6.0-test8 32 134.2 1444.5 212.9
2.6.0-test8-as2 32 122.4 1583.7 217.5


AIM7 shared workload
kernel Tasks Jobs/Min Real CPU
2.6.0-test8-as 64 1949.6 191.1 170.8
2.6.0-test8-as2 64 880.0 423.3 166.6
2.6.0-test8 64 829.1 449.3 167.8

2.6.0-test8-as 128 2148.3 346.8 339.2
2.6.0-test8-as2 128 1128.7 660.0 331.4
2.6.0-test8 128 1105.2 674.1 330.5

2.6.0-test8-as 192 2265.7 493.2 507.1
2.6.0-test8 192 1320.0 846.6 504.7
2.6.0-test8-as2 192 1317.8 848.0 503.3

2.6.0-test8-as 256 2382.9 625.3 678.0
2.6.0-test8 256 1462.1 1019.0 672.7
2.6.0-test8-as2 256 1453.3 1025.2 670.9

2.6.0-test8-as 320 2450.5 760.0 853.7
2.6.0-test8 320 1573.0 1184.0 845.2
2.6.0-test8-as2 320 1564.0 1190.8 848.2

2.6.0-test8-as 384 2517.4 887.8 1030.6
2.6.0-test8-as2 384 1609.8 1388.3 1026.2
2.6.0-test8 384 1601.1 1395.9 1028.7

2.6.0-test8-as 448 2547.5 1023.5 1214.4
2.6.0-test8 448 1659.7 1571.0 1205.2
2.6.0-test8-as2 448 1656.4 1574.2 1201.6

2.6.0-test8-as 512 2594.6 1148.5 1389.7
2.6.0-test8-as2 512 1620.4 1839.0 1378.0
2.6.0-test8 512 1614.4 1845.8 1381.5

--
Randy Hron
http://home.earthlink.net/~rwhron/kernel/bigbox.html

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