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Date: Wed, 13 Oct 2010 15:14:55 +0100
From: Mel Gorman <mel@....ul.ie>
To: Christoph Lameter <cl@...ux.com>
Cc: Pekka Enberg <penberg@...nel.org>,
Pekka Enberg <penberg@...helsinki.fi>, linux-mm@...ck.org,
linux-kernel@...r.kernel.org, David Rientjes <rientjes@...gle.com>,
npiggin@...nel.dk, yanmin_zhang@...ux.intel.com
Subject: Re: [UnifiedV4 00/16] The Unified slab allocator (V4)
On Wed, Oct 06, 2010 at 10:56:47AM -0500, Christoph Lameter wrote:
> On Wed, 6 Oct 2010, Pekka Enberg wrote:
>
> > Are there any stability problems left? Have you tried other benchmarks
> > (e.g. hackbench, sysbench)? Can we merge the series in smaller
> > batches? For example, if we leave out the NUMA parts in the first
> > stage, do we expect to see performance regressions?
>
> I have tried hackbench but the number seem to be unstable on my system.
> There may be various small optimizations still left to be done.
>
I still haven't reviewed this and I confess it will be some time before I
get the chance but I sent them towards some testing automation and have the
results from one machine below.
Minimally, I see the same sort of hackbench socket performance regression
as reported elsewhere (10-15% regression). Otherwise, it isn't particularly
exciting results. The machine is very basic - 2 socket, 4 cores, x86-64,
2G RAM. Macine model is an IBM BladeCenter HS20. Processor is Xeon but I'm
not sure exact what model. It appears to be from around the P4 times.
Tests were based on three kernels. I used this tarball of scripts
http://www.csn.ul.ie/~mel/projects/mmtests/mmtests-0.01-slabunified-0.01.tar.gz
. The scripts have been pulled from all over the place with varying quality
so try not cry too much if you look at scripts closely :)
This tarball is capable of multiple different types of tests and was
implemented in response to LSF/MM people asking for a suite to MM tests
"of interest". I don't think a single suite is possible without taking a
week to run a test but what is possible is to configure a bunch of tests to
answer questions about a particular series (the tarball is capable of starting
monitoring, profiling and running analysis after the fact to answer questions
related to my own recent patch series). In this case, it's configured to
run a number of benchmarks known to be sensitive to slab and page allocator
performance. Roughly speaking, to test allocators the following happens
1. Configure 2.6.36-rc7 for SLAB, no other patches, build + boot
2. ./run-slabunified.sh slab-vanilla
3. Configure 2.6.36-rc7 for SLUB, no other patches, build + boot
4. ./run-slabunified.sh slub-vanilla
5. Configure 2.6.36-rc7 for SLUB, for-next and Christophs patches
applied, build + boot
6. ./run-slabunified.sh unified-v4r1 (version 4 of patches, release
candidate 1)
7. cd work/log
8. ../../compare-kernels.sh
This should be enough to run a cross-section of tests against this
series.
Christoph, in particular while it tests netperf, it is not binding to any
particular CPU (although it can), server and client are running on the local
machine (which has particular performance characterisitcs of its own) and
the tests is STREAM, not RR so the tarball is not a replacement for more
targetting testing or workload-specific testing. Still, it should catch
some of the common snags before getting into specific workloads without
taking an extraordinary amount of time to complete. sysbench might take a
long time for many-core machines, limit the number of threads it tests with
OLTP_MAX_THREADS in the config file.
I'm not going to go into details of how the scripts work - it's as-is
only. That said, most test parameters are specified in the top-level
config file with somewhat self-explanatory names and there is a basic
README.
KERNBENCH
kernbench-slab-vanilla-kernbenchkernbench-slub-vanilla-kernbench kernbench-slub
slab-vanilla slub-vanilla unified-v4r1
Elapsed min 382.95 ( 0.00%) 383.44 (-0.13%) 385.36 (-0.63%)
Elapsed mean 383.39 ( 0.00%) 383.61 (-0.06%) 386.07 (-0.70%)
Elapsed stddev 0.32 ( 0.00%) 0.20 (64.11%) 0.76 (-57.53%)
Elapsed max 383.94 ( 0.00%) 383.97 (-0.01%) 387.17 (-0.83%)
User min 1291.99 ( 0.00%) 1290.63 ( 0.11%) 1296.50 (-0.35%)
User mean 1293.05 ( 0.00%) 1291.71 ( 0.10%) 1298.28 (-0.40%)
User stddev 1.06 ( 0.00%) 0.97 ( 8.76%) 1.56 (-32.28%)
User max 1295.01 ( 0.00%) 1293.10 ( 0.15%) 1301.16 (-0.47%)
System min 164.46 ( 0.00%) 166.34 (-1.13%) 167.82 (-2.00%)
System mean 165.50 ( 0.00%) 167.38 (-1.12%) 168.70 (-1.89%)
System stddev 0.83 ( 0.00%) 0.67 (22.71%) 0.92 (-10.53%)
System max 166.98 ( 0.00%) 168.17 (-0.71%) 170.29 (-1.94%)
CPU min 379.00 ( 0.00%) 379.00 ( 0.00%) 378.00 ( 0.26%)
CPU mean 379.80 ( 0.00%) 379.80 ( 0.00%) 379.40 ( 0.11%)
CPU stddev 0.40 ( 0.00%) 0.40 ( 0.00%) 0.80 (-50.00%)
CPU max 380.00 ( 0.00%) 380.00 ( 0.00%) 380.00 ( 0.00%)
MMTests Statistics: duration
User/Sys Time Running Test (seconds) 8784.52 8788.55 8837.18
Total Elapsed Time (seconds) 2369.98 2361.80 2384.12
FS-Mark
fsmark-slab-vanilla-fsmarkfsmark-slub-vanilla-fsmark fsmark-slub
slab-vanilla slub-vanilla unified-v4r1
Files/s min 437.30 ( 0.00%) 437.80 ( 0.11%) 436.80 (-0.11%)
Files/s mean 440.38 ( 0.00%) 440.36 (-0.00%) 440.68 ( 0.07%)
Files/s stddev 1.79 ( 0.00%) 1.91 ( 6.06%) 2.95 (39.25%)
Files/s max 442.60 ( 0.00%) 443.20 ( 0.14%) 445.90 ( 0.74%)
Overhead min 2851289.00 ( 0.00%) 2961679.00 (-3.73%) 2946715.00 (-3.24%)
Overhead mean 2964541.00 ( 0.00%) 3124801.80 (-5.13%) 3172446.40 (-6.55%)
Overhead stddev 64216.04 ( 0.00%) 115096.40 (-44.21%) 145393.19 (-55.83%)
Overhead max 3033464.00 ( 0.00%) 3269057.00 (-7.21%) 3386053.00 (-10.41%)
MMTests Statistics: duration
User/Sys Time Running Test (seconds) 2250.39 2246.04 2252.47
Total Elapsed Time (seconds) 1187.28 1184.36 1184.45
IOZone
iozone-slab-vanilla-iozoneiozone-slub-vanilla-iozone iozone-slub
slab-vanilla slub-vanilla unified-v4r1
write-64 254006 ( 0.00%) 244297 (-3.97%) 246089 (-3.22%)
write-128 268327 ( 0.00%) 268327 ( 0.00%) 262296 (-2.30%)
write-256 277969 ( 0.00%) 275544 (-0.88%) 271777 (-2.28%)
write-512 276175 ( 0.00%) 272184 (-1.47%) 272460 (-1.36%)
write-1024 270893 ( 0.00%) 269838 (-0.39%) 264178 (-2.54%)
write-2048 263917 ( 0.00%) 264698 ( 0.30%) 258976 (-1.91%)
write-4096 261593 ( 0.00%) 261108 (-0.19%) 256141 (-2.13%)
write-8192 258725 ( 0.00%) 257950 (-0.30%) 253497 (-2.06%)
write-16384 256661 ( 0.00%) 256059 (-0.24%) 252683 (-1.57%)
write-32768 255359 ( 0.00%) 255866 ( 0.20%) 251637 (-1.48%)
write-65536 254740 ( 0.00%) 255058 ( 0.12%) 250648 (-1.63%)
write-131072 254432 ( 0.00%) 254863 ( 0.17%) 251498 (-1.17%)
write-262144 251304 ( 0.00%) 252769 ( 0.58%) 246666 (-1.88%)
write-524288 102207 ( 0.00%) 103622 ( 1.37%) 106770 ( 4.27%)
rewrite-64 889431 ( 0.00%) 969761 ( 8.28%) 942521 ( 5.63%)
rewrite-128 1007629 ( 0.00%) 985435 (-2.25%) 1007629 ( 0.00%)
rewrite-256 1007446 ( 0.00%) 1027695 ( 1.97%) 1016025 ( 0.84%)
rewrite-512 1009722 ( 0.00%) 1012101 ( 0.24%) 982917 (-2.73%)
rewrite-1024 933525 ( 0.00%) 939446 ( 0.63%) 923488 (-1.09%)
rewrite-2048 808859 ( 0.00%) 816626 ( 0.95%) 822175 ( 1.62%)
rewrite-4096 781834 ( 0.00%) 788472 ( 0.84%) 783474 ( 0.21%)
rewrite-8192 756475 ( 0.00%) 771023 ( 1.89%) 764385 ( 1.03%)
rewrite-16384 754911 ( 0.00%) 766865 ( 1.56%) 756490 ( 0.21%)
rewrite-32768 752752 ( 0.00%) 760559 ( 1.03%) 758942 ( 0.82%)
rewrite-65536 747709 ( 0.00%) 720857 (-3.73%) 758353 ( 1.40%)
rewrite-131072 748085 ( 0.00%) 757120 ( 1.19%) 759824 ( 1.54%)
rewrite-262144 727700 ( 0.00%) 733333 ( 0.77%) 732503 ( 0.66%)
rewrite-524288 105288 ( 0.00%) 104058 (-1.18%) 110624 ( 4.82%)
read-64 1562436 ( 0.00%) 1879725 (16.88%) 1526887 (-2.33%)
read-128 1526043 ( 0.00%) 1111981 (-37.24%) 1557024 ( 1.99%)
read-256 1729594 ( 0.00%) 1570244 (-10.15%) 1718521 (-0.64%)
read-512 1882427 ( 0.00%) 1672748 (-12.54%) 1917728 ( 1.84%)
read-1024 2031864 ( 0.00%) 2019445 (-0.61%) 1968537 (-3.22%)
read-2048 2298737 ( 0.00%) 2216868 (-3.69%) 2204352 (-4.28%)
read-4096 2356697 ( 0.00%) 2346077 (-0.45%) 2340643 (-0.69%)
read-8192 2480882 ( 0.00%) 2418030 (-2.60%) 2511345 ( 1.21%)
read-16384 2543770 ( 0.00%) 2522203 (-0.86%) 2621399 ( 2.96%)
read-32768 2573242 ( 0.00%) 2572664 (-0.02%) 2655424 ( 3.09%)
read-65536 2597014 ( 0.00%) 2598880 ( 0.07%) 2676570 ( 2.97%)
read-131072 2606221 ( 0.00%) 2607210 ( 0.04%) 2711057 ( 3.87%)
read-262144 2623777 ( 0.00%) 2627375 ( 0.14%) 2711992 ( 3.25%)
read-524288 2626615 ( 0.00%) 2611723 (-0.57%) 2711613 ( 3.13%)
reread-64 2278628 ( 0.00%) 4274062 (46.69%) 2467108 ( 7.64%)
reread-128 3277486 ( 0.00%) 3895854 (15.87%) 2969325 (-10.38%)
reread-256 3770085 ( 0.00%) 3879045 ( 2.81%) 3159869 (-19.31%)
reread-512 3580298 ( 0.00%) 3659616 ( 2.17%) 3220553 (-11.17%)
reread-1024 2877110 ( 0.00%) 2813041 (-2.28%) 2715230 (-5.96%)
reread-2048 2608697 ( 0.00%) 2602375 (-0.24%) 2653011 ( 1.67%)
reread-4096 2578086 ( 0.00%) 2592481 ( 0.56%) 2344476 (-9.96%)
reread-8192 2610564 ( 0.00%) 2598128 (-0.48%) 2717085 ( 3.92%)
reread-16384 2606781 ( 0.00%) 2612629 ( 0.22%) 2743532 ( 4.98%)
reread-32768 2625646 ( 0.00%) 2616449 (-0.35%) 2655014 ( 1.11%)
reread-65536 2628805 ( 0.00%) 2623110 (-0.22%) 2722026 ( 3.42%)
reread-131072 2611458 ( 0.00%) 2635027 ( 0.89%) 2724020 ( 4.13%)
reread-262144 2631362 ( 0.00%) 2630644 (-0.03%) 2751359 ( 4.36%)
reread-524288 2627836 ( 0.00%) 2626339 (-0.06%) 2724960 ( 3.56%)
randread-64 1768283 ( 0.00%) 1638743 (-7.90%) 1599680 (-10.54%)
randread-128 2098744 ( 0.00%) 2784517 (24.63%) 1911894 (-9.77%)
randread-256 2371308 ( 0.00%) 1704877 (-39.09%) 2065659 (-14.80%)
randread-512 2416145 ( 0.00%) 2438090 ( 0.90%) 2294796 (-5.29%)
randread-1024 2110750 ( 0.00%) 2106609 (-0.20%) 1943594 (-8.60%)
randread-2048 2036105 ( 0.00%) 1989882 (-2.32%) 1958129 (-3.98%)
randread-4096 2060231 ( 0.00%) 2006805 (-2.66%) 1979748 (-4.07%)
randread-8192 1931211 ( 0.00%) 2022730 ( 4.52%) 1982009 ( 2.56%)
randread-16384 1994886 ( 0.00%) 1988594 (-0.32%) 1978688 (-0.82%)
randread-32768 1953151 ( 0.00%) 1964148 ( 0.56%) 1944584 (-0.44%)
randread-65536 1917719 ( 0.00%) 1931844 ( 0.73%) 1906665 (-0.58%)
randread-131072 1900225 ( 0.00%) 1908756 ( 0.45%) 1894378 (-0.31%)
randread-262144 1890443 ( 0.00%) 1888592 (-0.10%) 1868879 (-1.15%)
randread-524288 1859164 ( 0.00%) 1855099 (-0.22%) 1843896 (-0.83%)
randwrite-64 1204796 ( 0.00%) 886494 (-35.91%) 1049372 (-14.81%)
randwrite-128 1254941 ( 0.00%) 1306873 ( 3.97%) 1162547 (-7.95%)
randwrite-256 1219045 ( 0.00%) 1286217 ( 5.22%) 1035624 (-17.71%)
randwrite-512 1171691 ( 0.00%) 1224470 ( 4.31%) 1130370 (-3.66%)
randwrite-1024 953418 ( 0.00%) 1001903 ( 4.84%) 1035229 ( 7.90%)
randwrite-2048 781058 ( 0.00%) 853377 ( 8.47%) 840682 ( 7.09%)
randwrite-4096 789341 ( 0.00%) 770646 (-2.43%) 760514 (-3.79%)
randwrite-8192 737352 ( 0.00%) 762824 ( 3.34%) 760208 ( 3.01%)
randwrite-16384 721920 ( 0.00%) 726622 ( 0.65%) 742698 ( 2.80%)
randwrite-32768 713991 ( 0.00%) 716963 ( 0.41%) 711835 (-0.30%)
randwrite-65536 703869 ( 0.00%) 707189 ( 0.47%) 702806 (-0.15%)
randwrite-131072 697603 ( 0.00%) 700211 ( 0.37%) 694241 (-0.48%)
randwrite-262144 674226 ( 0.00%) 688917 ( 2.13%) 682725 ( 1.24%)
randwrite-524288 3862 ( 0.00%) 3290 (-17.39%) 3678 (-5.00%)
bkwdread-64 1255511 ( 0.00%) 1879725 (33.21%) 1780008 (29.47%)
bkwdread-128 1487977 ( 0.00%) 947186 (-57.09%) 887675 (-67.63%)
bkwdread-256 1718521 ( 0.00%) 1219045 (-40.97%) 1254656 (-36.97%)
bkwdread-512 1772135 ( 0.00%) 1455126 (-21.79%) 1689859 (-4.87%)
bkwdread-1024 1825466 ( 0.00%) 1796451 (-1.62%) 1758930 (-3.78%)
bkwdread-2048 1705432 ( 0.00%) 1937372 (11.97%) 1892971 ( 9.91%)
bkwdread-4096 2004931 ( 0.00%) 2010798 ( 0.29%) 1963457 (-2.11%)
bkwdread-8192 2123881 ( 0.00%) 2090796 (-1.58%) 2099355 (-1.17%)
bkwdread-16384 2184219 ( 0.00%) 2167136 (-0.79%) 2156053 (-1.31%)
bkwdread-32768 2183067 ( 0.00%) 2202448 ( 0.88%) 2176705 (-0.29%)
bkwdread-65536 2199044 ( 0.00%) 2217637 ( 0.84%) 2202656 ( 0.16%)
bkwdread-131072 2224130 ( 0.00%) 2232222 ( 0.36%) 2218100 (-0.27%)
bkwdread-262144 2240966 ( 0.00%) 2247557 ( 0.29%) 2216583 (-1.10%)
bkwdread-524288 2236828 ( 0.00%) 2238212 ( 0.06%) 2152063 (-3.94%)
MMTests Statistics: duration
User/Sys Time Running Test (seconds) 23.08 23.01 23.12
Total Elapsed Time (seconds) 303.03 329.62 303.42
NETPERF UDP
netperf-udp netperf-udp udp-slub
slab-vanilla slub-vanilla unified-v4r1
64 52.23 ( 0.00%)* 53.80 ( 2.92%) 50.56 (-3.30%)
1.36% 1.00% 1.00%
128 103.70 ( 0.00%) 107.43 ( 3.47%) 101.23 (-2.44%)
256 208.62 ( 0.00%)* 212.15 ( 1.66%) 202.35 (-3.10%)
1.73% 1.00% 1.00%
1024 814.86 ( 0.00%) 827.42 ( 1.52%) 799.13 (-1.97%)
2048 1585.65 ( 0.00%) 1614.76 ( 1.80%) 1563.52 (-1.42%)
3312 2512.44 ( 0.00%) 2556.70 ( 1.73%) 2460.37 (-2.12%)
4096 3016.81 ( 0.00%)* 3058.16 ( 1.35%) 2901.87 (-3.96%)
1.15% 1.00% 1.00%
8192 5384.46 ( 0.00%) 5092.95 (-5.72%) 4912.71 (-9.60%)
16384 8091.96 ( 0.00%)* 8249.26 ( 1.91%) 8004.40 (-1.09%)
1.70% 1.00% 1.00%
MMTests Statistics: duration
User/Sys Time Running Test (seconds) 3318.1 1759.32 2037.7
Total Elapsed Time (seconds) 3986.21 2114.19 2450.19
NETPERF TCP
netperf-tcp netperf-tcp tcp-slub
slab-vanilla slub-vanilla unified-v4r1
64 559.86 ( 0.00%) 561.45 ( 0.28%) 553.43 (-1.16%)
128 1015.34 ( 0.00%) 1023.43 ( 0.79%) 1010.13 (-0.52%)
256 1758.20 ( 0.00%) 1790.91 ( 1.83%) 1761.10 ( 0.16%)
1024 3657.40 ( 0.00%) 3749.93 ( 2.47%) 3617.72 (-1.10%)
2048 4237.05 ( 0.00%)* 4338.38 ( 2.34%) 4214.48 (-0.54%)*
1.05% 1.00% 1.13%
3312 4490.72 ( 0.00%)* 4469.92 (-0.47%)* 4293.97 (-4.58%)*
2.56% 1.47% 2.32%
4096 4977.91 ( 0.00%) 5158.15 ( 3.49%) 4882.70 (-1.95%)
8192 5574.82 ( 0.00%) 5629.75 ( 0.98%) 5442.13 (-2.44%)
16384 7549.99 ( 0.00%)* 7839.95 ( 3.70%)* 7582.45 ( 0.43%)*
6.34% 6.80% 4.80%
MMTests Statistics: duration
User/Sys Time Running Test (seconds) 2981.5 2171.64 2817.11
Total Elapsed Time (seconds) 3059.42 2218.98 2879.69
HACKBENCH PIPES
1 0.07 ( 0.00%) 0.06 ( 1.92%) 0.07 (-5.89%)
4 0.13 ( 0.00%) 0.14 (-8.39%) 0.14 (-7.73%)
8 0.24 ( 0.00%) 0.23 ( 3.26%) 0.23 ( 4.43%)
12 0.37 ( 0.00%) 0.37 (-1.97%) 0.37 (-1.20%)
16 0.42 ( 0.00%) 0.41 ( 2.42%) 0.44 (-4.16%)
20 0.51 ( 0.00%) 0.53 (-2.78%) 0.56 (-8.09%)
24 0.65 ( 0.00%) 0.61 ( 7.45%) 0.61 ( 7.84%)
28 0.72 ( 0.00%) 0.73 (-0.72%) 0.77 (-6.59%)
32 0.80 ( 0.00%) 0.80 (-0.12%) 0.81 (-1.32%)
36 0.97 ( 0.00%) 0.90 ( 7.69%) 0.92 ( 5.40%)
40 1.00 ( 0.00%) 0.98 ( 2.11%) 1.03 (-2.40%)
MMTests Statistics: duration
User/Sys Time Running Test (seconds) 116.79 121.81 133.8
Total Elapsed Time (seconds) 143.91 142.96 147.49
HACKBENCH SOCKETS
1 0.09 ( 0.00%) 0.10 ( 7.91%) 0.09 ( 3.37%)
4 0.31 ( 0.00%) 0.31 ( 0.34%) 0.27 (-11.78%)
8 0.58 ( 0.00%) 0.58 (-0.64%) 0.53 (-10.77%)
12 0.90 ( 0.00%) 0.86 (-4.19%) 0.78 (-14.80%)
16 1.17 ( 0.00%) 1.13 (-3.53%) 1.02 (-14.57%)
20 1.46 ( 0.00%) 1.42 (-2.63%) 1.27 (-14.77%)
24 1.75 ( 0.00%) 1.70 (-3.13%) 1.54 (-13.98%)
28 2.04 ( 0.00%) 1.96 (-4.13%) 1.75 (-16.31%)
32 2.32 ( 0.00%) 2.25 (-3.11%) 2.00 (-16.34%)
36 2.60 ( 0.00%) 2.52 (-3.00%) 2.26 (-15.21%)
40 2.90 ( 0.00%) 2.81 (-3.35%) 2.52 (-15.03%)
MMTests Statistics: duration
User/Sys Time Running Test (seconds) 1007.63 841.49 765.63
Total Elapsed Time (seconds) 348.97 339.07 309.28
CREATEDELETE
MMTests Statistics: duration
User/Sys Time Running Test (seconds) 2287.66 2174.03 2305.63
Total Elapsed Time (seconds) 1053.00 1012.81 1052.59
CACHEEFFECTS
MMTests Statistics: duration
User/Sys Time Running Test (seconds) 0.3 0.27 0.31
Total Elapsed Time (seconds) 3.87 4.35 3.96
STREAM
vmr-stream vmr-stream stream-slub
slab-vanilla slub-vanilla unified-v4r1
Add-static-small-17.0 12064.30 ( 0.00%) 12064.30 ( 0.00%) 11950.48 (-0.95%)
Add-static-small-17.33 14304.10 ( 0.00%) 14658.59 ( 2.42%) 14412.68 ( 0.75%)
Add-static-small-17.66 13037.24 ( 0.00%) 12728.52 (-2.43%) 12520.79 (-4.12%)
Add-static-small-18.0 13899.62 ( 0.00%) 13971.95 ( 0.52%) 13971.95 ( 0.52%)
Add-static-small-18.33 13602.88 ( 0.00%) 13630.44 ( 0.20%) 13562.15 (-0.30%)
Add-static-small-18.66 13140.73 ( 0.00%) 13254.87 ( 0.86%) 13588.01 ( 3.29%)
Add-static-small-19.0 11343.07 ( 0.00%) 9744.24 (-16.41%) 12011.02 ( 5.56%)
Add-static-small-19.33 10266.32 ( 0.00%) 9499.10 (-8.08%) 9659.62 (-6.28%)
Add-static-small-19.66 6755.96 ( 0.00%) 7122.05 ( 5.14%) 7167.80 ( 5.75%)
Add-static-small-20.0 5146.37 ( 0.00%) 4932.07 (-4.35%) 5014.26 (-2.63%)
Add-static-small-20.33 2797.35 ( 0.00%) 2841.12 ( 1.54%) 2913.44 ( 3.98%)
Add-static-small-20.66 2410.63 ( 0.00%) 2409.50 (-0.05%) 2444.73 ( 1.39%)
Add-static-small-21.0 2558.76 ( 0.00%) 2578.45 ( 0.76%) 2544.36 (-0.57%)
Add-static-small-21.33 2374.19 ( 0.00%) 2375.22 ( 0.04%) 2381.77 ( 0.32%)
Add-static-small-21.66 2542.64 ( 0.00%) 2548.12 ( 0.21%) 2552.61 ( 0.39%)
Add-static-small-22.0 2661.86 ( 0.00%) 2647.16 (-0.56%) 2655.80 (-0.23%)
Add-static-small-22.33 2671.42 ( 0.00%) 2677.47 ( 0.23%) 2674.40 ( 0.11%)
Add-static-small-22.66 2473.47 ( 0.00%) 2481.66 ( 0.33%) 2477.52 ( 0.16%)
Add-static-small-23.0 2709.03 ( 0.00%) 2703.36 (-0.21%) 2700.99 (-0.30%)
Add-static-small-23.33 2400.59 ( 0.00%) 2398.40 (-0.09%) 2398.53 (-0.09%)
Add-static-small-23.66 2311.42 ( 0.00%) 2314.08 ( 0.11%) 2315.33 ( 0.17%)
Add-static-small-24.0 2728.27 ( 0.00%) 2732.43 ( 0.15%) 2731.14 ( 0.11%)
Add-static-small-24.33 2671.22 ( 0.00%) 2671.66 ( 0.02%) 2667.95 (-0.12%)
Add-static-small-24.66 2537.32 ( 0.00%) 2540.08 ( 0.11%) 2540.08 ( 0.11%)
Add-static-small-25.0 2749.01 ( 0.00%) 2749.38 ( 0.01%) 2748.98 (-0.00%)
Add-static-small-25.33 2541.34 ( 0.00%) 2542.30 ( 0.04%) 2540.70 (-0.02%)
Add-static-small-25.66 2767.26 ( 0.00%) 2766.62 (-0.02%) 2766.04 (-0.04%)
Add-static-small-26.0 2762.67 ( 0.00%) 2763.35 ( 0.02%) 2763.48 ( 0.03%)
Add-static-small-26.33 2511.43 ( 0.00%) 2510.95 (-0.02%) 2511.01 (-0.02%)
Add-static-small-26.66 2612.54 ( 0.00%) 2611.50 (-0.04%) 2611.98 (-0.02%)
Add-static-small-27.0 2781.28 ( 0.00%) 2780.14 (-0.04%) 2781.63 ( 0.01%)
Add-static-small-27.33 2695.21 ( 0.00%) 2693.52 (-0.06%) 2692.99 (-0.08%)
Add-static-small-27.66 2769.12 ( 0.00%) 2768.34 (-0.03%) 2768.79 (-0.01%)
Add-static-small-28.0 2790.06 ( 0.00%) 2788.43 (-0.06%) 2791.53 ( 0.05%)
Add-static-small-28.33 2817.07 ( 0.00%) 2816.11 (-0.03%) 2816.23 (-0.03%)
Add-static-small-28.66 2733.30 ( 0.00%) 2733.20 (-0.00%) 2733.60 ( 0.01%)
Add-static-small-29.0 2797.55 ( 0.00%) 2796.75 (-0.03%) 2797.62 ( 0.00%)
Add-static-small-29.33 2747.68 ( 0.00%) 2747.16 (-0.02%) 2746.53 (-0.04%)
Add-static-small-29.66 2696.02 ( 0.00%) 2693.31 (-0.10%) 2693.99 (-0.08%)
Add-static-small-30.0 2781.97 ( 0.00%) 2779.25 (-0.10%) 2784.71 ( 0.10%)
Copy-static-small-17.0 14659.26 ( 0.00%) 14414.94 (-1.69%) 14142.10 (-3.66%)
Copy-static-small-17.33 14437.64 ( 0.00%) 14442.96 ( 0.04%) 14515.94 ( 0.54%)
Copy-static-small-17.66 11311.57 ( 0.00%) 11378.11 ( 0.58%) 11311.57 ( 0.00%)
Copy-static-small-18.0 11765.69 ( 0.00%) 11690.63 (-0.64%) 11784.45 ( 0.16%)
Copy-static-small-18.33 11623.77 ( 0.00%) 11522.60 (-0.88%) 11623.77 ( 0.00%)
Copy-static-small-18.66 11321.31 ( 0.00%) 11279.20 (-0.37%) 11443.65 ( 1.07%)
Copy-static-small-19.0 11222.00 ( 0.00%) 9620.40 (-16.65%) 11354.70 ( 1.17%)
Copy-static-small-19.33 10892.85 ( 0.00%) 9996.77 (-8.96%) 10127.48 (-7.56%)
Copy-static-small-19.66 8650.33 ( 0.00%) 8544.79 (-1.24%) 8292.51 (-4.31%)
Copy-static-small-20.0 6776.33 ( 0.00%) 5775.60 (-17.33%) 6393.53 (-5.99%)
Copy-static-small-20.33 3868.82 ( 0.00%) 3903.18 ( 0.88%) 3791.15 (-2.05%)
Copy-static-small-20.66 2962.61 ( 0.00%) 2997.96 ( 1.18%) 2945.59 (-0.58%)
Copy-static-small-21.0 2776.75 ( 0.00%) 2745.67 (-1.13%) 2767.47 (-0.34%)
Copy-static-small-21.33 2665.36 ( 0.00%) 2668.46 ( 0.12%) 2653.65 (-0.44%)
Copy-static-small-21.66 2581.35 ( 0.00%) 2568.24 (-0.51%) 2580.30 (-0.04%)
Copy-static-small-22.0 2449.33 ( 0.00%) 2448.14 (-0.05%) 2447.34 (-0.08%)
Copy-static-small-22.33 2233.25 ( 0.00%) 2229.02 (-0.19%) 2226.57 (-0.30%)
Copy-static-small-22.66 2083.14 ( 0.00%) 2090.15 ( 0.34%) 2084.96 ( 0.09%)
Copy-static-small-23.0 2376.04 ( 0.00%) 2376.96 ( 0.04%) 2374.23 (-0.08%)
Copy-static-small-23.33 2252.81 ( 0.00%) 2255.55 ( 0.12%) 2253.88 ( 0.05%)
Copy-static-small-23.66 2192.97 ( 0.00%) 2196.61 ( 0.17%) 2194.06 ( 0.05%)
Copy-static-small-24.0 2321.02 ( 0.00%) 2326.15 ( 0.22%) 2321.40 ( 0.02%)
Copy-static-small-24.33 2399.02 ( 0.00%) 2397.62 (-0.06%) 2397.38 (-0.07%)
Copy-static-small-24.66 2407.21 ( 0.00%) 2406.11 (-0.05%) 2407.45 ( 0.01%)
Copy-static-small-25.0 2312.30 ( 0.00%) 2312.73 ( 0.02%) 2313.24 ( 0.04%)
Copy-static-small-25.33 2009.71 ( 0.00%) 2008.83 (-0.04%) 2009.39 (-0.02%)
Copy-static-small-25.66 2134.22 ( 0.00%) 2132.93 (-0.06%) 2133.65 (-0.03%)
Copy-static-small-26.0 2306.28 ( 0.00%) 2306.54 ( 0.01%) 2307.05 ( 0.03%)
Copy-static-small-26.33 2184.55 ( 0.00%) 2183.33 (-0.06%) 2183.96 (-0.03%)
Copy-static-small-26.66 2234.97 ( 0.00%) 2234.81 (-0.01%) 2234.18 (-0.03%)
Copy-static-small-27.0 2317.53 ( 0.00%) 2317.06 (-0.02%) 2318.87 ( 0.06%)
Copy-static-small-27.33 2402.66 ( 0.00%) 2401.76 (-0.04%) 2402.54 (-0.00%)
Copy-static-small-27.66 2396.42 ( 0.00%) 2395.54 (-0.04%) 2395.94 (-0.02%)
Copy-static-small-28.0 2334.59 ( 0.00%) 2333.69 (-0.04%) 2334.68 ( 0.00%)
Copy-static-small-28.33 2228.03 ( 0.00%) 2226.75 (-0.06%) 2226.41 (-0.07%)
Copy-static-small-28.66 2168.20 ( 0.00%) 2168.81 ( 0.03%) 2169.26 ( 0.05%)
Copy-static-small-29.0 2343.31 ( 0.00%) 2343.03 (-0.01%) 2344.22 ( 0.04%)
Copy-static-small-29.33 2293.51 ( 0.00%) 2292.53 (-0.04%) 2293.24 (-0.01%)
Copy-static-small-29.66 2296.00 ( 0.00%) 2294.23 (-0.08%) 2296.50 ( 0.02%)
Copy-static-small-30.0 2349.76 ( 0.00%) 2348.91 (-0.04%) 2349.01 (-0.03%)
Scale-static-small-17.0 14254.87 ( 0.00%) 14198.49 (-0.40%) 14659.26 ( 2.76%)
Scale-static-small-17.33 13846.22 ( 0.00%) 13331.26 (-3.86%) 13919.20 ( 0.52%)
Scale-static-small-17.66 10460.06 ( 0.00%) 10477.91 ( 0.17%) 10477.91 ( 0.17%)
Scale-static-small-18.0 9176.40 ( 0.00%) 8959.46 (-2.42%) 9153.79 (-0.25%)
Scale-static-small-18.33 8031.20 ( 0.00%) 8043.81 ( 0.16%) 8051.07 ( 0.25%)
Scale-static-small-18.66 7882.66 ( 0.00%) 7882.66 ( 0.00%) 7923.37 ( 0.51%)
Scale-static-small-19.0 9827.80 ( 0.00%) 9196.63 (-6.86%) 9847.38 ( 0.20%)
Scale-static-small-19.33 9140.09 ( 0.00%) 9112.74 (-0.30%) 8947.76 (-2.15%)
Scale-static-small-19.66 7448.02 ( 0.00%) 7609.60 ( 2.12%) 7634.98 ( 2.45%)
Scale-static-small-20.0 5736.04 ( 0.00%) 5646.54 (-1.59%) 5499.92 (-4.29%)
Scale-static-small-20.33 3767.07 ( 0.00%) 3466.29 (-8.68%) 3731.70 (-0.95%)
Scale-static-small-20.66 2605.20 ( 0.00%) 2586.14 (-0.74%) 2591.36 (-0.53%)
Scale-static-small-21.0 2458.99 ( 0.00%) 2473.66 ( 0.59%) 2425.00 (-1.40%)
Scale-static-small-21.33 2301.60 ( 0.00%) 2316.69 ( 0.65%) 2302.14 ( 0.02%)
Scale-static-small-21.66 2113.64 ( 0.00%) 2116.43 ( 0.13%) 2111.01 (-0.12%)
Scale-static-small-22.0 2334.94 ( 0.00%) 2346.44 ( 0.49%) 2342.90 ( 0.34%)
Scale-static-small-22.33 2355.52 ( 0.00%) 2355.57 ( 0.00%) 2353.04 (-0.11%)
Scale-static-small-22.66 2374.13 ( 0.00%) 2368.80 (-0.23%) 2373.85 (-0.01%)
Scale-static-small-23.0 2193.07 ( 0.00%) 2192.18 (-0.04%) 2198.93 ( 0.27%)
Scale-static-small-23.33 1961.98 ( 0.00%) 1963.48 ( 0.08%) 1963.58 ( 0.08%)
Scale-static-small-23.66 2087.14 ( 0.00%) 2084.43 (-0.13%) 2086.74 (-0.02%)
Scale-static-small-24.0 2317.82 ( 0.00%) 2316.05 (-0.08%) 2319.08 ( 0.05%)
Scale-static-small-24.33 2088.54 ( 0.00%) 2090.38 ( 0.09%) 2090.72 ( 0.10%)
Scale-static-small-24.66 2249.70 ( 0.00%) 2248.20 (-0.07%) 2247.32 (-0.11%)
Scale-static-small-25.0 2191.54 ( 0.00%) 2191.17 (-0.02%) 2191.90 ( 0.02%)
Scale-static-small-25.33 2365.61 ( 0.00%) 2365.82 ( 0.01%) 2365.53 (-0.00%)
Scale-static-small-25.66 2353.54 ( 0.00%) 2355.43 ( 0.08%) 2353.49 (-0.00%)
Scale-static-small-26.0 2328.23 ( 0.00%) 2327.04 (-0.05%) 2327.79 (-0.02%)
Scale-static-small-26.33 2174.75 ( 0.00%) 2176.11 ( 0.06%) 2175.69 ( 0.04%)
Scale-static-small-26.66 2109.83 ( 0.00%) 2108.76 (-0.05%) 2109.16 (-0.03%)
Scale-static-small-27.0 2232.60 ( 0.00%) 2231.80 (-0.04%) 2233.96 ( 0.06%)
Scale-static-small-27.33 2298.19 ( 0.00%) 2298.13 (-0.00%) 2297.96 (-0.01%)
Scale-static-small-27.66 2210.86 ( 0.00%) 2209.71 (-0.05%) 2210.47 (-0.02%)
Scale-static-small-28.0 2347.95 ( 0.00%) 2347.62 (-0.01%) 2348.78 ( 0.04%)
Scale-static-small-28.33 2371.16 ( 0.00%) 2370.16 (-0.04%) 2370.52 (-0.03%)
Scale-static-small-28.66 2373.70 ( 0.00%) 2373.81 ( 0.00%) 2374.67 ( 0.04%)
Scale-static-small-29.0 2289.08 ( 0.00%) 2288.95 (-0.01%) 2290.30 ( 0.05%)
Scale-static-small-29.33 2251.49 ( 0.00%) 2250.53 (-0.04%) 2251.88 ( 0.02%)
Scale-static-small-29.66 2264.59 ( 0.00%) 2262.57 (-0.09%) 2263.30 (-0.06%)
Scale-static-small-30.0 2368.20 ( 0.00%) 2367.55 (-0.03%) 2368.02 (-0.01%)
Triad-static-small-17.0 12462.37 ( 0.00%) 12455.87 (-0.05%) 12405.74 (-0.46%)
Triad-static-small-17.33 13548.09 ( 0.00%) 13572.77 ( 0.18%) 13572.77 ( 0.18%)
Triad-static-small-17.66 12491.80 ( 0.00%) 12405.05 (-0.70%) 12506.85 ( 0.12%)
Triad-static-small-18.0 10050.94 ( 0.00%) 10086.65 ( 0.35%) 10050.94 ( 0.00%)
Triad-static-small-18.33 10622.90 ( 0.00%) 10408.87 (-2.06%) 10506.39 (-1.11%)
Triad-static-small-18.66 10297.50 ( 0.00%) 10025.29 (-2.72%) 10380.22 ( 0.80%)
Triad-static-small-19.0 10984.20 ( 0.00%) 9572.00 (-14.75%) 11701.99 ( 6.13%)
Triad-static-small-19.33 9854.11 ( 0.00%) 9090.86 (-8.40%) 8933.28 (-10.31%)
Triad-static-small-19.66 6082.61 ( 0.00%) 6673.00 ( 8.85%) 6430.92 ( 5.42%)
Triad-static-small-20.0 4571.62 ( 0.00%) 4482.53 (-1.99%) 4473.38 (-2.20%)
Triad-static-small-20.33 2880.73 ( 0.00%) 2891.05 ( 0.36%) 2938.72 ( 1.97%)
Triad-static-small-20.66 2326.63 ( 0.00%) 2320.30 (-0.27%) 2316.88 (-0.42%)
Triad-static-small-21.0 2759.25 ( 0.00%) 2764.61 ( 0.19%) 2744.24 (-0.55%)
Triad-static-small-21.33 2696.68 ( 0.00%) 2694.26 (-0.09%) 2700.09 ( 0.13%)
Triad-static-small-21.66 2595.89 ( 0.00%) 2590.86 (-0.19%) 2589.48 (-0.25%)
Triad-static-small-22.0 2715.27 ( 0.00%) 2709.88 (-0.20%) 2712.39 (-0.11%)
Triad-static-small-22.33 2559.21 ( 0.00%) 2560.17 ( 0.04%) 2559.76 ( 0.02%)
Triad-static-small-22.66 2780.62 ( 0.00%) 2771.40 (-0.33%) 2777.04 (-0.13%)
Triad-static-small-23.0 2725.92 ( 0.00%) 2735.80 ( 0.36%) 2734.08 ( 0.30%)
Triad-static-small-23.33 2197.15 ( 0.00%) 2197.16 ( 0.00%) 2198.22 ( 0.05%)
Triad-static-small-23.66 2491.03 ( 0.00%) 2492.60 ( 0.06%) 2490.21 (-0.03%)
Triad-static-small-24.0 2698.54 ( 0.00%) 2696.26 (-0.08%) 2696.67 (-0.07%)
Triad-static-small-24.33 2572.62 ( 0.00%) 2574.74 ( 0.08%) 2576.27 ( 0.14%)
Triad-static-small-24.66 2693.72 ( 0.00%) 2692.98 (-0.03%) 2694.17 ( 0.02%)
Triad-static-small-25.0 2727.56 ( 0.00%) 2726.54 (-0.04%) 2726.28 (-0.05%)
Triad-static-small-25.33 2774.01 ( 0.00%) 2773.77 (-0.01%) 2773.23 (-0.03%)
Triad-static-small-25.66 2568.71 ( 0.00%) 2569.79 ( 0.04%) 2569.52 ( 0.03%)
Triad-static-small-26.0 2717.27 ( 0.00%) 2717.70 ( 0.02%) 2717.99 ( 0.03%)
Triad-static-small-26.33 2627.58 ( 0.00%) 2627.41 (-0.01%) 2627.89 ( 0.01%)
Triad-static-small-26.66 2469.62 ( 0.00%) 2469.00 (-0.02%) 2468.88 (-0.03%)
Triad-static-small-27.0 2757.61 ( 0.00%) 2756.50 (-0.04%) 2757.91 ( 0.01%)
Triad-static-small-27.33 2756.80 ( 0.00%) 2756.63 (-0.01%) 2757.00 ( 0.01%)
Triad-static-small-27.66 2730.51 ( 0.00%) 2729.97 (-0.02%) 2730.23 (-0.01%)
Triad-static-small-28.0 2760.07 ( 0.00%) 2759.34 (-0.03%) 2760.34 ( 0.01%)
Triad-static-small-28.33 2724.95 ( 0.00%) 2723.63 (-0.05%) 2724.47 (-0.02%)
Triad-static-small-28.66 2818.62 ( 0.00%) 2819.25 ( 0.02%) 2820.00 ( 0.05%)
Triad-static-small-29.0 2787.79 ( 0.00%) 2787.43 (-0.01%) 2788.62 ( 0.03%)
Triad-static-small-29.33 2699.87 ( 0.00%) 2698.92 (-0.04%) 2698.81 (-0.04%)
Triad-static-small-29.66 2764.21 ( 0.00%) 2761.20 (-0.11%) 2762.21 (-0.07%)
Triad-static-small-30.0 2767.82 ( 0.00%) 2766.04 (-0.06%) 2767.55 (-0.01%)
MMTests Statistics: duration
User/Sys Time Running Test (seconds) 833.15 833.07 833.27
Total Elapsed Time (seconds) 840.38 839.78 839.63
SYSBENCH
sysbench-slab-vanilla-sysbenchsysbench-slub-vanilla-sysbench sysbench-slub
slab-vanilla slub-vanilla unified-v4r1
1 7521.24 ( 0.00%) 7719.38 ( 2.57%) 7589.13 ( 0.89%)
2 14872.85 ( 0.00%) 15275.09 ( 2.63%) 15054.08 ( 1.20%)
3 16502.53 ( 0.00%) 16676.53 ( 1.04%) 16465.69 (-0.22%)
4 17831.19 ( 0.00%) 17900.09 ( 0.38%) 17819.03 (-0.07%)
5 18158.40 ( 0.00%) 18432.74 ( 1.49%) 18341.99 ( 1.00%)
6 18673.68 ( 0.00%) 18878.41 ( 1.08%) 18614.92 (-0.32%)
7 17689.75 ( 0.00%) 17871.89 ( 1.02%) 17633.19 (-0.32%)
8 16885.68 ( 0.00%) 16838.37 (-0.28%) 16498.41 (-2.35%)
MMTests Statistics: duration
User/Sys Time Running Test (seconds) 2362.85 2367.19 2430.63
Total Elapsed Time (seconds) 2932.91 2936.30 2932.22
--
Mel Gorman
Part-time Phd Student Linux Technology Center
University of Limerick IBM Dublin Software Lab
--
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