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Date: Wed, 18 Nov 2009 08:22:58 -0500
From: "Alan D. Brunelle" <Alan.Brunelle@...com>
To: Vivek Goyal <vgoyal@...hat.com>
Cc: Jens Axboe <jens.axboe@...cle.com>, linux-kernel@...r.kernel.org
Subject: Re: [RFC] Block IO Controller V3 - some results
Hi Vivek -
Here are the results w/ Jens' for-2.6.33 branch + your V3 +
http://groups.google.com/group/linux.kernel/browse_thread/thread/3b62f0665f0912b6/34ec9456c7da1bb7?lnk=raot
(slightly modified to work w/ V3 - see attached patch). These runs also
use direct I/O - a new fio job file looks like:
[global]
size=8g
overwrite=0
runtime=120
ioengine=libaio
iodepth=128
iodepth_low=128
iodepth_batch=128
iodepth_batch_complete=32
direct=1
bs=256k
readwrite=write
[/mnt/sdl/data.7]
filename=/mnt/sdl/data.7
I need to do a base run (no ioc patches) to see how that looks w/ direct
I/O - will start that today, but won't get to the results until later
(vacation day today...).
We'll know more when I get the base runs done.
As before: i1==ioc control enabled, g0=group_idle=1(default),
g1=group_idle=0, s8=slice_idle=8(default), s0=slice_idle=0.
---- ---- - --------- --------- --------- ---------
Mode RdWr N i1,g1,s8 i1,g0,s8 i1,g1,s0 i1,g0,s0
---- ---- - --------- --------- --------- ---------
rnd rd 2 33.7 33.2 33.2 33.2
rnd rd 4 28.6 26.8 26.7 26.7
rnd rd 8 20.8 17.6 17.8 17.7
rnd wr 2 57.4 55.8 55.9 55.8
rnd wr 4 52.1 47.8 47.6 47.6
rnd wr 8 41.6 30.8 30.7 30.7
rnd rdwr 2 39.0 38.3 38.3 38.5
rnd rdwr 4 33.2 30.5 30.4 30.7
rnd rdwr 8 24.0 19.0 19.2 19.5
seq rd 2 609.5 609.6 608.4 608.5
seq rd 4 612.1 612.3 613.5 613.7
seq rd 8 614.8 615.4 616.3 616.2
seq wr 2 716.2 722.7 732.2 736.9
seq wr 4 710.5 734.2 737.4 734.4
seq wr 8 700.6 714.0 720.1 715.8
seq rdwr 2 666.7 669.1 673.4 673.1
seq rdwr 4 668.1 668.5 667.5 667.9
seq rdwr 8 674.0 674.9 675.6 676.2
----------- ---- ---- - ----- ----- ----- ----- ----- ----- ----- -----
Test Mode RdWr N test0 test1 test2 test3 test4 test5 test6 test7
----------- ---- ---- - ----- ----- ----- ----- ----- ----- ----- -----
i1,g1,s8 rnd rd 2 11.1 22.6
i1,g1,s8 rnd rd 4 0.8 2.6 10.4 14.8
i1,g1,s8 rnd rd 8 0.4 0.7 1.0 1.4 2.0 3.2 5.3 6.8
i1,g1,s8 rnd wr 2 12.2 45.3
i1,g1,s8 rnd wr 4 0.6 1.3 16.7 33.5
i1,g1,s8 rnd wr 8 0.3 0.5 0.7 0.9 1.4 2.2 11.7 24.0
i1,g1,s8 rnd rdwr 2 12.6 26.4
i1,g1,s8 rnd rdwr 4 0.7 2.2 12.3 18.0
i1,g1,s8 rnd rdwr 8 0.3 0.5 0.8 1.2 1.8 3.5 7.1 8.7
i1,g1,s8 seq rd 2 234.7 374.8
i1,g1,s8 seq rd 4 89.7 130.1 171.8 220.4
i1,g1,s8 seq rd 8 34.7 59.1 65.2 74.6 85.4 89.8 97.9 108.1
i1,g1,s8 seq wr 2 264.4 451.9
i1,g1,s8 seq wr 4 98.4 151.5 203.8 256.8
i1,g1,s8 seq wr 8 37.7 65.0 74.3 86.5 96.0 102.8 113.7 124.6
i1,g1,s8 seq rdwr 2 240.0 426.7
i1,g1,s8 seq rdwr 4 92.3 139.5 191.0 245.3
i1,g1,s8 seq rdwr 8 33.7 59.7 68.0 80.2 94.1 103.2 111.9 123.3
----------- ---- ---- - ----- ----- ----- ----- ----- ----- ----- -----
Test Mode RdWr N test0 test1 test2 test3 test4 test5 test6 test7
----------- ---- ---- - ----- ----- ----- ----- ----- ----- ----- -----
i1,g0,s8 rnd rd 2 12.1 21.1
i1,g0,s8 rnd rd 4 2.2 5.8 8.1 10.7
i1,g0,s8 rnd rd 8 1.2 1.3 1.6 2.2 2.3 2.5 3.1 3.4
i1,g0,s8 rnd wr 2 21.1 34.7
i1,g0,s8 rnd wr 4 11.9 12.2 11.9 11.9
i1,g0,s8 rnd wr 8 4.0 4.0 4.0 3.9 3.8 3.7 3.7 3.6
i1,g0,s8 rnd rdwr 2 13.9 24.3
i1,g0,s8 rnd rdwr 4 3.1 7.5 9.3 10.5
i1,g0,s8 rnd rdwr 8 1.5 1.6 1.8 2.2 2.5 2.7 3.4 3.3
i1,g0,s8 seq rd 2 264.1 345.4
i1,g0,s8 seq rd 4 92.7 133.2 169.1 217.3
i1,g0,s8 seq rd 8 41.5 64.5 67.1 76.1 85.0 84.6 91.0 105.5
i1,g0,s8 seq wr 2 319.1 403.6
i1,g0,s8 seq wr 4 108.4 164.0 210.2 251.6
i1,g0,s8 seq wr 8 50.8 72.3 78.5 87.3 94.2 99.9 109.0 122.0
i1,g0,s8 seq rdwr 2 267.4 401.7
i1,g0,s8 seq rdwr 4 94.0 138.5 191.8 244.3
i1,g0,s8 seq rdwr 8 38.9 61.5 72.2 83.0 95.1 100.1 106.0 118.1
----------- ---- ---- - ----- ----- ----- ----- ----- ----- ----- -----
Test Mode RdWr N test0 test1 test2 test3 test4 test5 test6 test7
----------- ---- ---- - ----- ----- ----- ----- ----- ----- ----- -----
i1,g1,s0 rnd rd 2 12.1 21.1
i1,g1,s0 rnd rd 4 2.4 6.3 8.4 9.5
i1,g1,s0 rnd rd 8 1.0 1.4 1.7 2.1 2.5 2.7 3.1 3.4
i1,g1,s0 rnd wr 2 21.8 34.1
i1,g1,s0 rnd wr 4 12.6 12.4 11.4 11.2
i1,g1,s0 rnd wr 8 5.0 4.5 3.9 3.7 3.5 3.4 3.4 3.3
i1,g1,s0 rnd rdwr 2 14.1 24.2
i1,g1,s0 rnd rdwr 4 3.6 7.7 9.0 10.1
i1,g1,s0 rnd rdwr 8 1.2 1.7 1.9 2.2 2.4 2.8 3.3 3.8
i1,g1,s0 seq rd 2 299.7 308.7
i1,g1,s0 seq rd 4 102.6 159.5 171.3 180.2
i1,g1,s0 seq rd 8 60.2 71.0 61.8 65.6 73.4 87.3 96.9 100.3
i1,g1,s0 seq wr 2 351.3 380.9
i1,g1,s0 seq wr 4 119.1 181.9 206.2 230.2
i1,g1,s0 seq wr 8 63.9 74.9 74.0 81.3 92.2 101.3 111.7 120.8
i1,g1,s0 seq rdwr 2 296.1 377.4
i1,g1,s0 seq rdwr 4 99.8 137.6 188.5 241.7
i1,g1,s0 seq rdwr 8 53.9 64.7 70.5 82.5 92.9 92.5 102.0 116.6
----------- ---- ---- - ----- ----- ----- ----- ----- ----- ----- -----
Test Mode RdWr N test0 test1 test2 test3 test4 test5 test6 test7
----------- ---- ---- - ----- ----- ----- ----- ----- ----- ----- -----
i1,g0,s0 rnd rd 2 12.3 20.9
i1,g0,s0 rnd rd 4 2.6 6.5 7.8 9.8
i1,g0,s0 rnd rd 8 1.0 1.4 1.7 2.1 2.4 2.7 3.2 3.4
i1,g0,s0 rnd wr 2 21.7 34.2
i1,g0,s0 rnd wr 4 13.8 11.9 11.1 10.8
i1,g0,s0 rnd wr 8 5.1 4.5 3.9 3.6 3.5 3.4 3.3 3.3
i1,g0,s0 rnd rdwr 2 14.1 24.4
i1,g0,s0 rnd rdwr 4 3.9 7.6 8.4 10.8
i1,g0,s0 rnd rdwr 8 1.1 1.6 1.9 2.3 2.6 3.0 3.3 3.6
i1,g0,s0 seq rd 2 300.0 308.5
i1,g0,s0 seq rd 4 101.8 160.1 171.4 180.4
i1,g0,s0 seq rd 8 61.3 71.7 61.3 65.6 73.9 85.5 96.4 100.4
i1,g0,s0 seq wr 2 354.1 382.8
i1,g0,s0 seq wr 4 117.6 182.2 206.1 228.4
i1,g0,s0 seq wr 8 64.5 75.1 75.7 81.3 90.3 100.4 110.0 118.5
i1,g0,s0 seq rdwr 2 297.8 375.3
i1,g0,s0 seq rdwr 4 100.1 137.8 190.6 239.3
i1,g0,s0 seq rdwr 8 54.4 64.1 71.1 81.9 92.7 93.0 103.2 115.9
View attachment "corrado_patch.txt" of type "text/plain" (1670 bytes)
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