Linux 4.9 Scheduler Tests

bfq dura2

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October 24 2016
 
CFQ
October 24 2016
 
Noop
October 24 2016
 
noop dura2
October 27 2016
 
deadline dura2
October 27 2016
 
cfq dura2
October 27 2016
 
bfq dura2
October 28 2016
 
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Linux 4.9 Scheduler TestsProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionVulkanDeadlineCFQNoopnoop dura2deadline dura2cfq dura2bfq dura2Intel Core i7-6800K @ 3.80GHz (12 Cores)MSI X99A WORKSTATION (MS-7A54) v1.0Intel Xeon E7 v4/Xeon16384MB120GB Samsung SSD 850 + 4 x 120GB TOSHIBA-TR150LLVMpipeRealtek ALC1150Intel ConnectionUbuntu 16.044.9.0-999-generic (x86_64) 20161017Unity 7.4.0X Server 1.18.3nouveau 1.0.123.3 Mesa 11.2.0 Gallium 0.4GCC 5.4.0 20160609ext41024x768Intel Core i7 950 @ 2.93GHz (8 Cores)12288MB500GB Seagate ST3500413AS + 1000GB Seagate ST31000528AS + 4001GB Seagate ST4000DM000-1F21 + 2000GB Seagate ST2000DL003-9VT1Realtek ALC889Linux From Scratch 20160219-systemd4.8.3-ck2 (x86_64)KDE 4.14.171.0.8GCC 5.3.0 + Clang 3.7.1 + LLVM 3.7.1OpenBenchmarking.orgEnvironment Details- Deadline, CFQ, Noop: LIBGL_ALWAYS_SOFTWARE=1Compiler Details- Deadline: --build=x86_64-linux-gnu --disable-browser-plugin --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-gtk-cairo --enable-java-awt=gtk --enable-java-home --enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --enable-libmpx --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-arch-directory=amd64 --with-default-libstdcxx-abi=new --with-multilib-list=m32,m64,mx32 --with-tune=generic -v - CFQ: --build=x86_64-linux-gnu --disable-browser-plugin --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-gtk-cairo --enable-java-awt=gtk --enable-java-home --enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --enable-libmpx --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-arch-directory=amd64 --with-default-libstdcxx-abi=new --with-multilib-list=m32,m64,mx32 --with-tune=generic -v - Noop: --build=x86_64-linux-gnu --disable-browser-plugin --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-gtk-cairo --enable-java-awt=gtk --enable-java-home --enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --enable-libmpx --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-arch-directory=amd64 --with-default-libstdcxx-abi=new --with-multilib-list=m32,m64,mx32 --with-tune=generic -v - noop dura2: --disable-bootstrap --disable-multilib --disable-multilib --disable-static --enable-cloog-backend=isl --enable-languages=c,c++ --with-cloog --with-local-prefix=/usr/local --with-native-system-header-dir=/usr/include- deadline dura2: --disable-bootstrap --disable-multilib --disable-multilib --disable-static --enable-cloog-backend=isl --enable-languages=c,c++ --with-cloog --with-local-prefix=/usr/local --with-native-system-header-dir=/usr/include- cfq dura2: --disable-bootstrap --disable-multilib --disable-multilib --disable-static --enable-cloog-backend=isl --enable-languages=c,c++ --with-cloog --with-local-prefix=/usr/local --with-native-system-header-dir=/usr/include- bfq dura2: --disable-bootstrap --disable-multilib --disable-multilib --disable-static --enable-cloog-backend=isl --enable-languages=c,c++ --with-cloog --with-local-prefix=/usr/local --with-native-system-header-dir=/usr/includeDisk Details- Deadline: DEADLINE / data=ordered,errors=remount-ro,relatime,rw- CFQ: CFQ / data=ordered,errors=remount-ro,relatime,rw- Noop: NOOP / data=ordered,errors=remount-ro,relatime,rw- noop dura2: NOOP / data=ordered,noatime,rw- deadline dura2: DEADLINE / data=ordered,noatime,rw- cfq dura2: CFQ / data=ordered,noatime,rw- bfq dura2: BFQ / data=ordered,noatime,rwProcessor Details- Deadline: Scaling Governor: intel_pstate powersave- CFQ: Scaling Governor: intel_pstate powersave- Noop: Scaling Governor: intel_pstate powersave- noop dura2: Scaling Governor: acpi-cpufreq ondemand- deadline dura2: Scaling Governor: acpi-cpufreq ondemand- cfq dura2: Scaling Governor: acpi-cpufreq ondemand- bfq dura2: Scaling Governor: acpi-cpufreq ondemandSystem Details- Deadline: Python 2.7.12.- CFQ: Python 2.7.12.- Noop: Python 2.7.12.- noop dura2: Python 2.7.11.- deadline dura2: Python 2.7.11.- cfq dura2: Python 2.7.11.- bfq dura2: Python 2.7.11.

DeadlineCFQNoopnoop dura2deadline dura2cfq dura2bfq dura2Logarithmic Result OverviewPhoronix Test SuiteFS-MarkSQLiteCompile BenchTimed Linux Kernel CompilationPostgreSQL pgbench

Linux 4.9 Scheduler Testssqlite: Default Test Directoryfio: Rand Read - Libaio - No - Yes - 4KB - Default Test Directory - IOPSfio: Rand Write - Libaio - No - Yes - 4KB - Default Test Directory - IOPSfio: Seq Read - Libaio - No - Yes - 4KB - Default Test Directory - IOPSfio: Seq Write - Libaio - No - Yes - 4KB - Default Test Directory - IOPSfs-mark: 1000 Files, 1MB Sizefs-mark: 5000 Files, 1MB Size, 4 Threadsfs-mark: 4000 Files, 32 Sub Dirs, 1MB Sizedbench: 1dbench: 6compilebench: Compilecompilebench: Initial Createbuild-linux-kernel: Time To Compilepgbench: On-Disk - Normal Load - Read Writepgbench: On-Disk - Single Thread - Read Writepgbench: On-Disk - Heavy Contention - Read WriteDeadlineCFQNoopnoop dura2deadline dura2cfq dura2bfq dura225.719800786329114494104307112.1078.4073.43167.46384.30666.64362.8572.061594.09247.711553.3525.539748786316114495104529119.25110.8764.4272.53228.02662.28437.2271.661596.01245.151548.9725.059803986334114456104360112.28104.3349.45632.89348.3271.881600.32244.591548.55480.2228.4738.2723.0312.3125.1052.3549.81142.44880.9797.091059.00387.3228.7036.1322.8012.3226.0256.4749.94141.13885.7295.211074.48386.3429.4337.3522.7712.4626.3057.3954.40141.81886.4495.321071.68436.5226.5538.6022.3311.5222.8160.6153.15140.40885.3095.701065.74OpenBenchmarking.org

SQLite

This is a simple benchmark of SQLite. At present this test profile just measures the time to perform a pre-defined number of insertions on an indexed database. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterSQLite 3.8.10.2Test Target: Default Test DirectoryDeadlineCFQNoopnoop dura2deadline dura2cfq dura2bfq dura2100200300400500SE +/- 0.38, N = 3SE +/- 0.16, N = 3SE +/- 0.18, N = 3SE +/- 7.04, N = 6SE +/- 5.62, N = 6SE +/- 2.69, N = 3SE +/- 1.34, N = 325.7125.5325.05480.22387.32386.34436.52-lreadline -lcurses-lreadline -lcurses-lreadline -lcurses-lreadline -lcurses1. (CC) gcc options: -O2 -ldl -lpthread
OpenBenchmarking.orgSeconds, Fewer Is BetterSQLite 3.8.10.2Test Target: Default Test DirectoryDeadlineCFQNoopnoop dura2deadline dura2cfq dura2bfq dura290180270360450Min: 24.95 / Avg: 25.71 / Max: 26.18Min: 25.22 / Avg: 25.53 / Max: 25.71Min: 24.75 / Avg: 25.05 / Max: 25.37Min: 447.91 / Avg: 480.22 / Max: 494.56Min: 371.06 / Avg: 387.32 / Max: 404.84Min: 382.19 / Avg: 386.34 / Max: 391.39Min: 434.43 / Avg: 436.52 / Max: 439.021. (CC) gcc options: -O2 -ldl -lpthread

Flexible IO Tester

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 2.1.13Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPSDeadlineCFQNoop20K40K60K80K100KSE +/- 20.90, N = 3SE +/- 539.01, N = 3SE +/- 24.85, N = 39800797487980391. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -ll -lnuma -libverbs -lrt -laio -lz -lm -lpthread -ldl
OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 2.1.13Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPSDeadlineCFQNoop20K40K60K80K100KMin: 97967 / Avg: 98007.33 / Max: 98037Min: 96409 / Avg: 97487 / Max: 98032Min: 97997 / Avg: 98039 / Max: 980831. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -ll -lnuma -libverbs -lrt -laio -lz -lm -lpthread -ldl

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 2.1.13Type: Random Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPSDeadlineCFQNoop20K40K60K80K100KSE +/- 19.46, N = 3SE +/- 9.45, N = 3SE +/- 2.89, N = 38632986316863341. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -ll -lnuma -libverbs -lrt -laio -lz -lm -lpthread -ldl
OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 2.1.13Type: Random Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPSDeadlineCFQNoop15K30K45K60K75KMin: 86302 / Avg: 86329.33 / Max: 86367Min: 86298 / Avg: 86316 / Max: 86330Min: 86329 / Avg: 86334 / Max: 863391. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -ll -lnuma -libverbs -lrt -laio -lz -lm -lpthread -ldl

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 2.1.13Type: Sequential Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPSDeadlineCFQNoop20K40K60K80K100KSE +/- 37.49, N = 3SE +/- 58.53, N = 3SE +/- 15.93, N = 31144941144951144561. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -ll -lnuma -libverbs -lrt -laio -lz -lm -lpthread -ldl
OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 2.1.13Type: Sequential Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPSDeadlineCFQNoop20K40K60K80K100KMin: 114448 / Avg: 114493.67 / Max: 114568Min: 114378 / Avg: 114495 / Max: 114557Min: 114435 / Avg: 114455.67 / Max: 1144871. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -ll -lnuma -libverbs -lrt -laio -lz -lm -lpthread -ldl

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 2.1.13Type: Sequential Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPSDeadlineCFQNoop20K40K60K80K100KSE +/- 111.86, N = 3SE +/- 78.77, N = 3SE +/- 95.28, N = 31043071045291043601. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -ll -lnuma -libverbs -lrt -laio -lz -lm -lpthread -ldl
OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 2.1.13Type: Sequential Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPSDeadlineCFQNoop20K40K60K80K100KMin: 104172 / Avg: 104307 / Max: 104529Min: 104387 / Avg: 104529.33 / Max: 104659Min: 104222 / Avg: 104360.33 / Max: 1045431. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -ll -lnuma -libverbs -lrt -laio -lz -lm -lpthread -ldl

FS-Mark

FS_Mark is designed to test a system's file-system performance. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgFiles/s, More Is BetterFS-Mark 3.3Test: 1000 Files, 1MB SizeDeadlineCFQNoopnoop dura2deadline dura2cfq dura2bfq dura2306090120150SE +/- 19.67, N = 6SE +/- 22.36, N = 6SE +/- 20.01, N = 6SE +/- 0.07, N = 3SE +/- 0.30, N = 3SE +/- 0.43, N = 3SE +/- 1.22, N = 6112.10119.25112.2828.4728.7029.4326.551. (CC) gcc options: -static
OpenBenchmarking.orgFiles/s, More Is BetterFS-Mark 3.3Test: 1000 Files, 1MB SizeDeadlineCFQNoopnoop dura2deadline dura2cfq dura2bfq dura220406080100Min: 69.6 / Avg: 112.1 / Max: 170.6Min: 73.8 / Avg: 119.25 / Max: 192.6Min: 69.3 / Avg: 112.28 / Max: 171.1Min: 28.4 / Avg: 28.47 / Max: 28.6Min: 28.1 / Avg: 28.7 / Max: 29Min: 28.7 / Avg: 29.43 / Max: 30.2Min: 22.5 / Avg: 26.55 / Max: 301. (CC) gcc options: -static

OpenBenchmarking.orgFiles/s, More Is BetterFS-Mark 3.3Test: 5000 Files, 1MB Size, 4 ThreadsDeadlineCFQNoopnoop dura2deadline dura2cfq dura2bfq dura220406080100SE +/- 9.74, N = 6SE +/- 4.27, N = 6SE +/- 7.79, N = 6SE +/- 1.69, N = 6SE +/- 0.68, N = 6SE +/- 0.72, N = 6SE +/- 0.81, N = 678.40110.87104.3338.2736.1337.3538.601. (CC) gcc options: -static
OpenBenchmarking.orgFiles/s, More Is BetterFS-Mark 3.3Test: 5000 Files, 1MB Size, 4 ThreadsDeadlineCFQNoopnoop dura2deadline dura2cfq dura2bfq dura220406080100Min: 51.2 / Avg: 78.4 / Max: 113.6Min: 90.8 / Avg: 110.87 / Max: 119.2Min: 68.4 / Avg: 104.33 / Max: 119.6Min: 34.4 / Avg: 38.27 / Max: 42.8Min: 34 / Avg: 36.13 / Max: 38.8Min: 35.6 / Avg: 37.35 / Max: 40.4Min: 36.8 / Avg: 38.6 / Max: 41.61. (CC) gcc options: -static

OpenBenchmarking.orgFiles/s, More Is BetterFS-Mark 3.3Test: 4000 Files, 32 Sub Dirs, 1MB SizeDeadlineCFQNoopnoop dura2deadline dura2cfq dura2bfq dura21632486480SE +/- 1.32, N = 6SE +/- 5.53, N = 6SE +/- 9.56, N = 6SE +/- 1.20, N = 6SE +/- 1.11, N = 6SE +/- 1.14, N = 6SE +/- 1.00, N = 673.4364.4249.4523.0322.8022.7722.331. (CC) gcc options: -static
OpenBenchmarking.orgFiles/s, More Is BetterFS-Mark 3.3Test: 4000 Files, 32 Sub Dirs, 1MB SizeDeadlineCFQNoopnoop dura2deadline dura2cfq dura2bfq dura21428425670Min: 71 / Avg: 73.43 / Max: 79.9Min: 43.6 / Avg: 64.42 / Max: 80.1Min: 25 / Avg: 49.45 / Max: 81.1Min: 19.8 / Avg: 23.03 / Max: 27.1Min: 20 / Avg: 22.8 / Max: 26.5Min: 20 / Avg: 22.77 / Max: 26.8Min: 20.1 / Avg: 22.33 / Max: 26.71. (CC) gcc options: -static

Dbench

Dbench is a benchmark designed by the Samba project as a free alternative to netbench, but dbench contains only file-system calls for testing the disk performance. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMB/s, More Is BetterDbench 4.0Client Count: 1DeadlineCFQnoop dura2deadline dura2cfq dura2bfq dura24080120160200SE +/- 3.02, N = 3SE +/- 4.75, N = 6SE +/- 0.06, N = 3SE +/- 0.07, N = 3SE +/- 0.04, N = 3SE +/- 0.04, N = 3167.4672.5312.3112.3212.4611.521. (CC) gcc options: -lpopt -O2
OpenBenchmarking.orgMB/s, More Is BetterDbench 4.0Client Count: 1DeadlineCFQnoop dura2deadline dura2cfq dura2bfq dura2306090120150Min: 164.33 / Avg: 167.46 / Max: 173.5Min: 50.17 / Avg: 72.53 / Max: 80.19Min: 12.19 / Avg: 12.31 / Max: 12.39Min: 12.21 / Avg: 12.32 / Max: 12.44Min: 12.39 / Avg: 12.46 / Max: 12.52Min: 11.45 / Avg: 11.52 / Max: 11.571. (CC) gcc options: -lpopt -O2

OpenBenchmarking.orgMB/s, More Is BetterDbench 4.0Client Count: 6DeadlineCFQnoop dura2deadline dura2cfq dura2bfq dura280160240320400SE +/- 33.74, N = 6SE +/- 5.11, N = 4SE +/- 0.21, N = 3SE +/- 0.15, N = 3SE +/- 0.33, N = 3SE +/- 0.11, N = 3384.30228.0225.1026.0226.3022.811. (CC) gcc options: -lpopt -O2
OpenBenchmarking.orgMB/s, More Is BetterDbench 4.0Client Count: 6DeadlineCFQnoop dura2deadline dura2cfq dura2bfq dura270140210280350Min: 310.57 / Avg: 384.3 / Max: 530.84Min: 214.52 / Avg: 228.02 / Max: 236.92Min: 24.86 / Avg: 25.1 / Max: 25.52Min: 25.85 / Avg: 26.02 / Max: 26.33Min: 25.68 / Avg: 26.3 / Max: 26.8Min: 22.61 / Avg: 22.81 / Max: 22.991. (CC) gcc options: -lpopt -O2

Compile Bench

Compilebench tries to age a filesystem by simulating some of the disk IO common in creating, compiling, patching, stating and reading kernel trees. It indirectly measures how well filesystems can maintain directory locality as the disk fills up and directories age. This current test is setup to use the makej mode with 10 initial directories Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMB/s, More Is BetterCompile Bench 0.6Test: CompileDeadlineCFQNoopnoop dura2deadline dura2cfq dura2bfq dura2140280420560700SE +/- 9.60, N = 3SE +/- 10.09, N = 4SE +/- 2.24, N = 3SE +/- 2.41, N = 6SE +/- 2.06, N = 6SE +/- 1.17, N = 6SE +/- 0.34, N = 3666.64662.28632.8952.3556.4757.3960.61
OpenBenchmarking.orgMB/s, More Is BetterCompile Bench 0.6Test: CompileDeadlineCFQNoopnoop dura2deadline dura2cfq dura2bfq dura2120240360480600Min: 647.45 / Avg: 666.64 / Max: 676.35Min: 638.67 / Avg: 662.28 / Max: 688Min: 629.37 / Avg: 632.89 / Max: 637.04Min: 44.53 / Avg: 52.35 / Max: 57.4Min: 50.32 / Avg: 56.47 / Max: 61.01Min: 53.88 / Avg: 57.39 / Max: 60.38Min: 60.21 / Avg: 60.61 / Max: 61.29

OpenBenchmarking.orgMB/s, More Is BetterCompile Bench 0.6Test: Initial CreateDeadlineCFQNoopnoop dura2deadline dura2cfq dura2bfq dura290180270360450SE +/- 17.06, N = 3SE +/- 16.86, N = 3SE +/- 7.20, N = 3SE +/- 0.81, N = 3SE +/- 1.61, N = 3SE +/- 0.40, N = 3SE +/- 0.78, N = 3362.85437.22348.3249.8149.9454.4053.15
OpenBenchmarking.orgMB/s, More Is BetterCompile Bench 0.6Test: Initial CreateDeadlineCFQNoopnoop dura2deadline dura2cfq dura2bfq dura280160240320400Min: 329.95 / Avg: 362.85 / Max: 387.13Min: 410.93 / Avg: 437.22 / Max: 468.66Min: 339.84 / Avg: 348.32 / Max: 362.65Min: 49 / Avg: 49.81 / Max: 51.43Min: 47.67 / Avg: 49.94 / Max: 53.05Min: 53.68 / Avg: 54.4 / Max: 55.06Min: 51.91 / Avg: 53.15 / Max: 54.6

Timed Linux Kernel Compilation

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Linux Kernel Compilation 4.3Time To CompileDeadlineCFQNoopnoop dura2deadline dura2cfq dura2bfq dura2306090120150SE +/- 1.46, N = 6SE +/- 0.65, N = 3SE +/- 1.00, N = 6SE +/- 0.40, N = 3SE +/- 0.92, N = 3SE +/- 1.04, N = 3SE +/- 0.73, N = 372.0671.6671.88142.44141.13141.81140.40
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Linux Kernel Compilation 4.3Time To CompileDeadlineCFQNoopnoop dura2deadline dura2cfq dura2bfq dura2306090120150Min: 69.58 / Avg: 72.06 / Max: 79.25Min: 71 / Avg: 71.66 / Max: 72.96Min: 70.63 / Avg: 71.88 / Max: 76.85Min: 142.03 / Avg: 142.44 / Max: 143.23Min: 139.83 / Avg: 141.13 / Max: 142.91Min: 140.03 / Avg: 141.81 / Max: 143.63Min: 139.61 / Avg: 140.4 / Max: 141.86

PostgreSQL pgbench

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 9.4.3Scaling: On-Disk - Test: Normal Load - Mode: Read WriteDeadlineCFQNoopnoop dura2deadline dura2cfq dura2bfq dura230060090012001500SE +/- 0.40, N = 3SE +/- 0.60, N = 3SE +/- 1.24, N = 3SE +/- 1.02, N = 3SE +/- 1.04, N = 3SE +/- 3.61, N = 3SE +/- 0.46, N = 31594.091596.011600.32880.97885.72886.44885.301. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -pthread -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm
OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 9.4.3Scaling: On-Disk - Test: Normal Load - Mode: Read WriteDeadlineCFQNoopnoop dura2deadline dura2cfq dura2bfq dura230060090012001500Min: 1593.37 / Avg: 1594.09 / Max: 1594.77Min: 1594.92 / Avg: 1596.01 / Max: 1597Min: 1598.8 / Avg: 1600.32 / Max: 1602.77Min: 878.96 / Avg: 880.97 / Max: 882.24Min: 883.76 / Avg: 885.72 / Max: 887.32Min: 879.35 / Avg: 886.44 / Max: 891.17Min: 884.46 / Avg: 885.3 / Max: 886.061. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -pthread -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 9.4.3Scaling: On-Disk - Test: Single Thread - Mode: Read WriteDeadlineCFQNoopnoop dura2deadline dura2cfq dura2bfq dura250100150200250SE +/- 0.71, N = 3SE +/- 0.58, N = 3SE +/- 2.38, N = 3SE +/- 0.64, N = 3SE +/- 0.57, N = 3SE +/- 0.32, N = 3SE +/- 0.21, N = 3247.71245.15244.5997.0995.2195.3295.701. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -pthread -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm
OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 9.4.3Scaling: On-Disk - Test: Single Thread - Mode: Read WriteDeadlineCFQNoopnoop dura2deadline dura2cfq dura2bfq dura24080120160200Min: 246.83 / Avg: 247.71 / Max: 249.12Min: 244.44 / Avg: 245.15 / Max: 246.3Min: 241.61 / Avg: 244.59 / Max: 249.3Min: 96.01 / Avg: 97.09 / Max: 98.22Min: 94.23 / Avg: 95.21 / Max: 96.21Min: 94.97 / Avg: 95.32 / Max: 95.97Min: 95.38 / Avg: 95.7 / Max: 96.111. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -pthread -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 9.4.3Scaling: On-Disk - Test: Heavy Contention - Mode: Read WriteDeadlineCFQNoopnoop dura2deadline dura2cfq dura2bfq dura230060090012001500SE +/- 4.54, N = 3SE +/- 4.98, N = 3SE +/- 0.65, N = 3SE +/- 5.24, N = 3SE +/- 6.61, N = 3SE +/- 7.38, N = 3SE +/- 2.29, N = 31553.351548.971548.551059.001074.481071.681065.741. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -pthread -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm
OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 9.4.3Scaling: On-Disk - Test: Heavy Contention - Mode: Read WriteDeadlineCFQNoopnoop dura2deadline dura2cfq dura2bfq dura230060090012001500Min: 1544.64 / Avg: 1553.35 / Max: 1559.95Min: 1541.31 / Avg: 1548.97 / Max: 1558.32Min: 1547.39 / Avg: 1548.55 / Max: 1549.66Min: 1051.88 / Avg: 1059 / Max: 1069.22Min: 1062.79 / Avg: 1074.48 / Max: 1085.66Min: 1059.43 / Avg: 1071.68 / Max: 1084.94Min: 1061.16 / Avg: 1065.74 / Max: 1068.211. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -pthread -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm