tiobench-all

QEMU testing on CentOS 6.3 (Final) via the Phoronix Test Suite.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1207308-BY-TIOBENCHA23
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UNCACHED
July 30 2012
 
CACHED
July 30 2012
 
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UNCACHED

System Notes: SELinux: Enabled.
Disk Mount Options Notes: barrier=1,data=ordered,relatime,rw,seclabel

CACHED

Processor: QEMU Virtual @ 2.20GHz (4 Cores), Motherboard: Red Hat KVM, Memory: 490MB, Disk: 16GB

OS: CentOS 6.3 (Final), Kernel: 2.6.32-279.2.1.el6.x86_64 (x86_64), Compiler: GCC 4.4.6 20120305, File-System: ext4, System Layer: QEMU

tiobench-allOpenBenchmarking.orgPhoronix Test SuiteQEMU Virtual @ 2.20GHz (4 Cores)Red Hat KVM490MB16GBCentOS 6.3 (Final)2.6.32-279.2.1.el6.x86_64 (x86_64)GCC 4.4.6 20120305ext4QEMUProcessorMotherboardMemoryDiskOSKernelCompilerFile-SystemSystem LayerTiobench-all BenchmarksSystem Logs- SELinux: Enabled.- barrier=1,data=ordered,relatime,rw,seclabel

UNCACHED vs. CACHED ComparisonPhoronix Test SuiteBaseline+238.1%+238.1%+476.2%+476.2%+714.3%+714.3%883.4%881.3%721%711.9%674.3%663.2%639.8%606.9%575.9%575.6%551%411.8%319.8%311.5%256.6%240.6%177.2%170.4%166.1%148.9%139.4%133.7%120.9%118.1%117.7%117.4%110.3%103.5%101.5%952.2%929.6%97.8%97.1%85.5%73.5%64%52.2%48.3%45.4%21.4%19.2%11.8%9.5%9%7%6.8%5.5%5.1%4.7%4.6%3.7%3.5%3.5%3.3%2.7%2.7%2.6%2.4%Rand Read - 64MB - 32Rand Read - 128MB - 8Rand Read - 256MB - 4Rand Read - 256MB - 8Rand Read - 128MB - 16Rand Read - 128MB - 32Rand Read - 128MB - 4Rand Read - 256MB - 32Rand Read - 32MB - 16Rand Read - 256MB - 16Rand Read - 64MB - 8Rand Write - 256MB - 32Rand Write - 256MB - 4Rand Write - 256MB - 16Rand Write - 128MB - 32Rand Write - 256MB - 8Read - 32MB - 32Rand Write - 32MB - 32Rand Write - 128MB - 16Read - 128MB - 32Rand Write - 64MB - 32Rand Write - 32MB - 16Rand Write - 32MB - 4Rand Write - 64MB - 16Rand Write - 128MB - 8Rand Write - 32MB - 8Rand Write - 64MB - 8Rand Write - 64MB - 4Read - 32MB - 16Rand Read - 32MB - 32Rand Read - 64MB - 16Rand Write - 128MB - 4Read - 256MB - 8Read - 64MB - 32Read - 256MB - 32Read - 256MB - 4Read - 128MB - 16Read - 64MB - 16Read - 256MB - 16Read - 128MB - 8Read - 64MB - 8Write - 64MB - 4Write - 32MB - 32Write - 64MB - 32Write - 256MB - 16Write - 32MB - 4Write - 256MB - 8Rand Read - 32MB - 85.5%Write - 128MB - 32Write - 32MB - 16Write - 256MB - 4Write - 128MB - 16Write - 256MB - 32Rand Read - 64MB - 43.5%Write - 128MB - 4Write - 64MB - 16Read - 128MB - 4Read - 32MB - 4Read - 64MB - 4Write - 128MB - 8Threaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterThreaded I/O TesterUNCACHEDCACHED

tiobench-alltiobench: Write - 32MB - 4tiobench: Write - 32MB - 8tiobench: Write - 32MB - 16tiobench: Write - 32MB - 32tiobench: Write - 64MB - 4tiobench: Write - 64MB - 8tiobench: Write - 64MB - 16tiobench: Write - 64MB - 32tiobench: Write - 128MB - 4tiobench: Write - 128MB - 8tiobench: Write - 128MB - 16tiobench: Write - 128MB - 32tiobench: Write - 256MB - 4tiobench: Write - 256MB - 8tiobench: Write - 256MB - 16tiobench: Write - 256MB - 32tiobench: Rand Write - 32MB - 4tiobench: Rand Write - 32MB - 8tiobench: Rand Write - 32MB - 16tiobench: Rand Write - 32MB - 32tiobench: Rand Write - 64MB - 4tiobench: Rand Write - 64MB - 8tiobench: Rand Write - 64MB - 16tiobench: Rand Write - 64MB - 32tiobench: Rand Write - 128MB - 4tiobench: Rand Write - 128MB - 8tiobench: Rand Write - 128MB - 16tiobench: Rand Write - 128MB - 32tiobench: Rand Write - 256MB - 4tiobench: Rand Write - 256MB - 8tiobench: Rand Write - 256MB - 16tiobench: Rand Write - 256MB - 32tiobench: Read - 32MB - 4tiobench: Read - 32MB - 8tiobench: Read - 32MB - 16tiobench: Read - 32MB - 32tiobench: Read - 64MB - 4tiobench: Read - 64MB - 8tiobench: Read - 64MB - 16tiobench: Read - 64MB - 32tiobench: Read - 128MB - 4tiobench: Read - 128MB - 8tiobench: Read - 128MB - 16tiobench: Read - 128MB - 32tiobench: Read - 256MB - 4tiobench: Read - 256MB - 8tiobench: Read - 256MB - 16tiobench: Read - 256MB - 32tiobench: Rand Read - 32MB - 4tiobench: Rand Read - 32MB - 8tiobench: Rand Read - 32MB - 16tiobench: Rand Read - 32MB - 32tiobench: Rand Read - 64MB - 4tiobench: Rand Read - 64MB - 8tiobench: Rand Read - 64MB - 16tiobench: Rand Read - 64MB - 32tiobench: Rand Read - 128MB - 4tiobench: Rand Read - 128MB - 8tiobench: Rand Read - 128MB - 16tiobench: Rand Read - 128MB - 32tiobench: Rand Read - 256MB - 4tiobench: Rand Read - 256MB - 8tiobench: Rand Read - 256MB - 16tiobench: Rand Read - 256MB - 32UNCACHEDCACHED104.10105.4299.8495.48102.03103.38100.1492.60104.35104.07101.1994.53109.48104.86100.1695.585.375.395.024.334.004.003.813.253.173.112.922.442.482.392.261.873228.793297.03126.8277.763242.66177.39151.30115.98180.05168.48147.2785.62111.29105.11151.91123.282833.812968.4012.154.642869.977.433.652.954.822.672.762.662.102.102.422.47111.23103.62104.50104.54114.11105.11103.47100.93107.96106.58104.8999.38114.49110.64107.2298.9311.8611.7211.7311.718.148.418.317.786.276.777.778.7010.418.149.309.573314.573350.41255.60215.533326.38211.37224.45215.11184.86204.55224.08213.14182.49207.14220.91213.832843.742813.3582.1248.822772.9648.3737.5829.0135.6626.2021.3720.3017.2417.0516.3517.46OpenBenchmarking.org

Threaded I/O Tester

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Write - Size Per Thread: 32MB - Thread Count: 4UNCACHEDCACHED20406080100SE +/- 2.07, N = 8SE +/- 3.75, N = 8104.10111.23

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Write - Size Per Thread: 32MB - Thread Count: 8UNCACHEDCACHED20406080100SE +/- 1.57, N = 4SE +/- 1.47, N = 4105.42103.62

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Write - Size Per Thread: 32MB - Thread Count: 16UNCACHEDCACHED20406080100SE +/- 0.88, N = 4SE +/- 1.46, N = 699.84104.50

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Write - Size Per Thread: 32MB - Thread Count: 32UNCACHEDCACHED20406080100SE +/- 0.58, N = 4SE +/- 1.41, N = 495.48104.54

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Write - Size Per Thread: 64MB - Thread Count: 4UNCACHEDCACHED306090120150SE +/- 3.01, N = 8SE +/- 1.94, N = 8102.03114.11

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Write - Size Per Thread: 64MB - Thread Count: 8UNCACHEDCACHED20406080100SE +/- 1.08, N = 4SE +/- 1.20, N = 4103.38105.11

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Write - Size Per Thread: 64MB - Thread Count: 16UNCACHEDCACHED20406080100SE +/- 0.87, N = 4SE +/- 1.40, N = 4100.14103.47

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Write - Size Per Thread: 64MB - Thread Count: 32UNCACHEDCACHED20406080100SE +/- 1.10, N = 4SE +/- 1.62, N = 492.60100.93

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Write - Size Per Thread: 128MB - Thread Count: 4UNCACHEDCACHED20406080100SE +/- 1.10, N = 4SE +/- 1.53, N = 8104.35107.96

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Write - Size Per Thread: 128MB - Thread Count: 8UNCACHEDCACHED20406080100SE +/- 1.35, N = 4SE +/- 2.26, N = 8104.07106.58

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Write - Size Per Thread: 128MB - Thread Count: 16UNCACHEDCACHED20406080100SE +/- 0.24, N = 4SE +/- 1.06, N = 4101.19104.89

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Write - Size Per Thread: 128MB - Thread Count: 32UNCACHEDCACHED20406080100SE +/- 0.43, N = 4SE +/- 0.92, N = 494.5399.38

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Write - Size Per Thread: 256MB - Thread Count: 4UNCACHEDCACHED306090120150SE +/- 0.56, N = 4SE +/- 2.67, N = 8109.48114.49

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Write - Size Per Thread: 256MB - Thread Count: 8UNCACHEDCACHED20406080100SE +/- 0.30, N = 4SE +/- 0.65, N = 4104.86110.64

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Write - Size Per Thread: 256MB - Thread Count: 16UNCACHEDCACHED20406080100SE +/- 0.17, N = 4SE +/- 0.67, N = 4100.16107.22

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Write - Size Per Thread: 256MB - Thread Count: 32UNCACHEDCACHED20406080100SE +/- 0.10, N = 4SE +/- 0.59, N = 495.5898.93

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Write - Size Per Thread: 32MB - Thread Count: 4UNCACHEDCACHED3691215SE +/- 0.12, N = 8SE +/- 0.26, N = 85.3711.86

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Write - Size Per Thread: 32MB - Thread Count: 8UNCACHEDCACHED3691215SE +/- 0.08, N = 8SE +/- 0.23, N = 85.3911.72

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Write - Size Per Thread: 32MB - Thread Count: 16UNCACHEDCACHED3691215SE +/- 0.08, N = 8SE +/- 0.08, N = 45.0211.73

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Write - Size Per Thread: 32MB - Thread Count: 32UNCACHEDCACHED3691215SE +/- 0.06, N = 4SE +/- 0.16, N = 44.3311.71

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Write - Size Per Thread: 64MB - Thread Count: 4UNCACHEDCACHED246810SE +/- 0.03, N = 4SE +/- 0.12, N = 44.008.14

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Write - Size Per Thread: 64MB - Thread Count: 8UNCACHEDCACHED246810SE +/- 0.06, N = 8SE +/- 0.21, N = 84.008.41

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Write - Size Per Thread: 64MB - Thread Count: 16UNCACHEDCACHED246810SE +/- 0.05, N = 4SE +/- 0.13, N = 53.818.31

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Write - Size Per Thread: 64MB - Thread Count: 32UNCACHEDCACHED246810SE +/- 0.03, N = 4SE +/- 0.14, N = 83.257.78

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Write - Size Per Thread: 128MB - Thread Count: 4UNCACHEDCACHED246810SE +/- 0.03, N = 4SE +/- 0.29, N = 83.176.27

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Write - Size Per Thread: 128MB - Thread Count: 8UNCACHEDCACHED246810SE +/- 0.05, N = 4SE +/- 0.19, N = 83.116.77

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Write - Size Per Thread: 128MB - Thread Count: 16UNCACHEDCACHED246810SE +/- 0.02, N = 4SE +/- 0.43, N = 82.927.77

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Write - Size Per Thread: 128MB - Thread Count: 32UNCACHEDCACHED246810SE +/- 0.02, N = 4SE +/- 0.24, N = 82.448.70

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Write - Size Per Thread: 256MB - Thread Count: 4UNCACHEDCACHED3691215SE +/- 0.02, N = 4SE +/- 1.50, N = 82.4810.41

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Write - Size Per Thread: 256MB - Thread Count: 8UNCACHEDCACHED246810SE +/- 0.02, N = 4SE +/- 0.33, N = 82.398.14

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Write - Size Per Thread: 256MB - Thread Count: 16UNCACHEDCACHED3691215SE +/- 0.01, N = 4SE +/- 0.09, N = 42.269.30

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Write - Size Per Thread: 256MB - Thread Count: 32UNCACHEDCACHED3691215SE +/- 0.03, N = 4SE +/- 0.26, N = 81.879.57

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Read - Size Per Thread: 32MB - Thread Count: 4UNCACHEDCACHED7001400210028003500SE +/- 44.47, N = 4SE +/- 36.95, N = 43228.793314.57

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Read - Size Per Thread: 32MB - Thread Count: 8UNCACHEDCACHED7001400210028003500SE +/- 46.21, N = 6SE +/- 62.59, N = 83297.033350.41

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Read - Size Per Thread: 32MB - Thread Count: 16UNCACHEDCACHED60120180240300SE +/- 3.55, N = 8SE +/- 10.59, N = 8126.82255.60

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Read - Size Per Thread: 32MB - Thread Count: 32UNCACHEDCACHED50100150200250SE +/- 2.11, N = 8SE +/- 2.06, N = 477.76215.53

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Read - Size Per Thread: 64MB - Thread Count: 4UNCACHEDCACHED7001400210028003500SE +/- 45.93, N = 4SE +/- 60.33, N = 83242.663326.38

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Read - Size Per Thread: 64MB - Thread Count: 8UNCACHEDCACHED50100150200250SE +/- 4.34, N = 8SE +/- 3.06, N = 8177.39211.37

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Read - Size Per Thread: 64MB - Thread Count: 16UNCACHEDCACHED50100150200250SE +/- 2.45, N = 8SE +/- 2.52, N = 4151.30224.45

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Read - Size Per Thread: 64MB - Thread Count: 32UNCACHEDCACHED50100150200250SE +/- 2.80, N = 8SE +/- 1.18, N = 4115.98215.11

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Read - Size Per Thread: 128MB - Thread Count: 4UNCACHEDCACHED4080120160200SE +/- 0.91, N = 4SE +/- 1.74, N = 4180.05184.86

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Read - Size Per Thread: 128MB - Thread Count: 8UNCACHEDCACHED4080120160200SE +/- 2.55, N = 4SE +/- 1.26, N = 4168.48204.55

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Read - Size Per Thread: 128MB - Thread Count: 16UNCACHEDCACHED50100150200250SE +/- 1.95, N = 4SE +/- 0.73, N = 4147.27224.08

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Read - Size Per Thread: 128MB - Thread Count: 32UNCACHEDCACHED50100150200250SE +/- 9.59, N = 8SE +/- 1.26, N = 485.62213.14

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Read - Size Per Thread: 256MB - Thread Count: 4UNCACHEDCACHED4080120160200SE +/- 3.12, N = 8SE +/- 1.05, N = 4111.29182.49

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Read - Size Per Thread: 256MB - Thread Count: 8UNCACHEDCACHED50100150200250SE +/- 15.44, N = 8SE +/- 1.07, N = 4105.11207.14

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Read - Size Per Thread: 256MB - Thread Count: 16UNCACHEDCACHED50100150200250SE +/- 3.21, N = 8SE +/- 1.44, N = 4151.91220.91

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Read - Size Per Thread: 256MB - Thread Count: 32UNCACHEDCACHED50100150200250SE +/- 2.90, N = 8SE +/- 1.00, N = 4123.28213.83

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Read - Size Per Thread: 32MB - Thread Count: 4UNCACHEDCACHED6001200180024003000SE +/- 61.69, N = 8SE +/- 47.78, N = 42833.812843.74

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Read - Size Per Thread: 32MB - Thread Count: 8UNCACHEDCACHED6001200180024003000SE +/- 50.23, N = 4SE +/- 53.80, N = 82968.402813.35

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Read - Size Per Thread: 32MB - Thread Count: 16UNCACHEDCACHED20406080100SE +/- 0.22, N = 8SE +/- 5.41, N = 812.1582.12

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Read - Size Per Thread: 32MB - Thread Count: 32UNCACHEDCACHED1122334455SE +/- 0.14, N = 8SE +/- 3.16, N = 84.6448.82

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Read - Size Per Thread: 64MB - Thread Count: 4UNCACHEDCACHED6001200180024003000SE +/- 24.53, N = 4SE +/- 78.57, N = 82869.972772.96

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Read - Size Per Thread: 64MB - Thread Count: 8UNCACHEDCACHED1122334455SE +/- 0.10, N = 4SE +/- 4.58, N = 87.4348.37

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Read - Size Per Thread: 64MB - Thread Count: 16UNCACHEDCACHED918273645SE +/- 0.05, N = 8SE +/- 0.73, N = 83.6537.58

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Read - Size Per Thread: 64MB - Thread Count: 32UNCACHEDCACHED714212835SE +/- 0.05, N = 4SE +/- 1.56, N = 82.9529.01

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Read - Size Per Thread: 128MB - Thread Count: 4UNCACHEDCACHED816243240SE +/- 0.08, N = 8SE +/- 2.41, N = 84.8235.66

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Read - Size Per Thread: 128MB - Thread Count: 8UNCACHEDCACHED612182430SE +/- 0.04, N = 8SE +/- 1.69, N = 82.6726.20

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Read - Size Per Thread: 128MB - Thread Count: 16UNCACHEDCACHED510152025SE +/- 0.04, N = 4SE +/- 1.66, N = 82.7621.37

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Read - Size Per Thread: 128MB - Thread Count: 32UNCACHEDCACHED510152025SE +/- 0.07, N = 8SE +/- 0.49, N = 82.6620.30

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Read - Size Per Thread: 256MB - Thread Count: 4UNCACHEDCACHED48121620SE +/- 0.03, N = 8SE +/- 0.93, N = 82.1017.24

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Read - Size Per Thread: 256MB - Thread Count: 8UNCACHEDCACHED48121620SE +/- 0.03, N = 4SE +/- 0.83, N = 82.1017.05

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Read - Size Per Thread: 256MB - Thread Count: 16UNCACHEDCACHED48121620SE +/- 0.03, N = 4SE +/- 0.41, N = 82.4216.35

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Read - Size Per Thread: 256MB - Thread Count: 32UNCACHEDCACHED48121620SE +/- 0.05, N = 8SE +/- 0.45, N = 82.4717.46

64 Results Shown

Threaded I/O Tester:
  Write - 32MB - 4
  Write - 32MB - 8
  Write - 32MB - 16
  Write - 32MB - 32
  Write - 64MB - 4
  Write - 64MB - 8
  Write - 64MB - 16
  Write - 64MB - 32
  Write - 128MB - 4
  Write - 128MB - 8
  Write - 128MB - 16
  Write - 128MB - 32
  Write - 256MB - 4
  Write - 256MB - 8
  Write - 256MB - 16
  Write - 256MB - 32
  Rand Write - 32MB - 4
  Rand Write - 32MB - 8
  Rand Write - 32MB - 16
  Rand Write - 32MB - 32
  Rand Write - 64MB - 4
  Rand Write - 64MB - 8
  Rand Write - 64MB - 16
  Rand Write - 64MB - 32
  Rand Write - 128MB - 4
  Rand Write - 128MB - 8
  Rand Write - 128MB - 16
  Rand Write - 128MB - 32
  Rand Write - 256MB - 4
  Rand Write - 256MB - 8
  Rand Write - 256MB - 16
  Rand Write - 256MB - 32
  Read - 32MB - 4
  Read - 32MB - 8
  Read - 32MB - 16
  Read - 32MB - 32
  Read - 64MB - 4
  Read - 64MB - 8
  Read - 64MB - 16
  Read - 64MB - 32
  Read - 128MB - 4
  Read - 128MB - 8
  Read - 128MB - 16
  Read - 128MB - 32
  Read - 256MB - 4
  Read - 256MB - 8
  Read - 256MB - 16
  Read - 256MB - 32
  Rand Read - 32MB - 4
  Rand Read - 32MB - 8
  Rand Read - 32MB - 16
  Rand Read - 32MB - 32
  Rand Read - 64MB - 4
  Rand Read - 64MB - 8
  Rand Read - 64MB - 16
  Rand Read - 64MB - 32
  Rand Read - 128MB - 4
  Rand Read - 128MB - 8
  Rand Read - 128MB - 16
  Rand Read - 128MB - 32
  Rand Read - 256MB - 4
  Rand Read - 256MB - 8
  Rand Read - 256MB - 16
  Rand Read - 256MB - 32

UNCACHED

System Notes: SELinux: Enabled.
Disk Mount Options Notes: barrier=1,data=ordered,relatime,rw,seclabel

Testing initiated at 30 July 2012 10:45 by user root.

CACHED

Processor: QEMU Virtual @ 2.20GHz (4 Cores), Motherboard: Red Hat KVM, Memory: 490MB, Disk: 16GB

OS: CentOS 6.3 (Final), Kernel: 2.6.32-279.2.1.el6.x86_64 (x86_64), Compiler: GCC 4.4.6 20120305, File-System: ext4, System Layer: QEMU

System Notes: SELinux: Enabled.
Disk Mount Options Notes: barrier=1,data=ordered,relatime,rw,seclabel

Testing initiated at 30 July 2012 14:32 by user root.