I/O Scheduler Testing HDD SSD Linux 4.12

I/O scheduler testing by Michael Larabel for a future article on Phoronix.

HTML result view exported from: https://openbenchmarking.org/result/1706265-TR-IOSCHEDUL10&export=pdf&sor&rro.

ProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLVulkanCompilerFile-SystemScreen ResolutionHDDSSD CFQ Noop Deadline MQ None MQ Kyber MQ BFQ MQ Deadline CFQ Deadline Noop MQ None MQ Deadline MQ Kyber MQ BFQIntel Core i7-7700K @ 4.50GHz (8 Cores)MSI Z270-A PRO (MS-7A71) v1.0Intel Device 591f + Z27016384MB1000GB Western Digital WD10EZRX-00A + Samsung SSD 950 PRO 256GBMSI AMD Radeon RX 470/480 8192MBRealtek ALC892Acer B286HKRealtek RTL8111/8168/8411Ubuntu 17.044.12.0-999-generic (x86_64) 20170618Unity 7.5.0X Server 1.19.3modesetting 1.19.34.5 Mesa 17.2.0-devel- padoka PPA Gallium 0.4 (LLVM 5.0.0)1.0.42GCC 6.3.0 20170406ext43840x2160128GB ADATA SU800 + Samsung SSD 950 PRO 256GBOpenBenchmarking.orgCompiler Details- --build=x86_64-linux-gnu --disable-browser-plugin --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --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=auto --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=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-target-system-zlib --with-tune=generic -v Disk Details- HDD: CFQ: CFQ / data=ordered,relatime,rw- HDD: Noop: NOOP / data=ordered,relatime,rw- HDD: Deadline: DEADLINE / data=ordered,relatime,rw- HDD: MQ None: NONE / data=ordered,relatime,rw- HDD: MQ Kyber: KYBER / data=ordered,relatime,rw- HDD: MQ BFQ: BFQ / data=ordered,relatime,rw- HDD: MQ Deadline: MQ-DEADLINE / data=ordered,relatime,rw- SSD: CFQ: CFQ / data=ordered,relatime,rw- SSD: Deadline: DEADLINE / data=ordered,relatime,rw- SSD: Noop: NOOP / data=ordered,relatime,rw- SSD: MQ None: NONE / data=ordered,relatime,rw- SSD: MQ Deadline: MQ-DEADLINE / data=ordered,relatime,rw- SSD: MQ Kyber: KYBER / data=ordered,relatime,rw- SSD: MQ BFQ: BFQ / data=ordered,relatime,rwProcessor Details- Scaling Governor: intel_pstate powersaveSystem Details- Python 2.7.13.

sqlite: Default Test Directoryfio: Seq Read - Libaio - No - Yes - 4KB - Default Test Directoryfio: Seq Write - Libaio - No - Yes - 4KB - Default Test Directorydbench: 6iozone: 4Kb - 8GB - Write Performancecompilebench: Initial Createpgbench: On-Disk - Normal Load - Read WriteHDDSSD CFQ Noop Deadline MQ None MQ Kyber MQ BFQ MQ Deadline CFQ Deadline Noop MQ None MQ Deadline MQ Kyber MQ BFQ341.7078.8272.9138.2270.18515.0571.65338.0478.7167.7340.74142.08498.7171.83337.5681.8667.7838.8969.75486.2566.38336.2346.5335.2938.0368.62547.9973.78338.7841.5820.9337.8064.57534.1476.39818.4046.4921.1521.8566.55536.1934.06337.4643.6622.3038.7374.19544.0661.8039.62448.25258.47339.7846.29501.1039.76402.53231.40334.0441.10514.28854.7637.81392.37272.82331.6849.09531.90666.1038.32210.69188.06335.2741.94531.69795.1438.53283.50170.61332.9948.91552.72790.9238.50234.97145.41334.6449.54588.01880.1851.15290.11229.4156.1751.20560.98768.92OpenBenchmarking.org

SQLite

Test Target: Default Test Directory

HDDSSDOpenBenchmarking.orgSeconds, Fewer Is BetterSQLite 3.8.10.2Test Target: Default Test DirectoryMQ BFQCFQMQ KyberNoopDeadlineMQ DeadlineMQ None2004006008001000SE +/- 4.45, N = 3SE +/- 4.99, N = 5SE +/- 1.44, N = 3SE +/- 1.10, N = 3SE +/- 0.37, N = 3SE +/- 0.46, N = 3SE +/- 0.50, N = 3SE +/- 4.60, N = 6SE +/- 3.77, N = 6SE +/- 3.10, N = 6SE +/- 2.04, N = 6SE +/- 1.40, N = 6SE +/- 2.80, N = 6SE +/- 2.15, N = 6818.40341.70338.78338.04337.56337.46336.2351.1539.7639.6238.5338.5038.3237.811. (CC) gcc options: -O2 -ldl -lpthread

Flexible IO Tester

Type: Sequential Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory

HDDSSDOpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 2.1.13Type: Sequential Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test DirectoryMQ KyberMQ DeadlineMQ BFQMQ NoneNoopCFQDeadline100200300400500SE +/- 1.14, N = 6SE +/- 1.69, N = 6SE +/- 2.01, N = 6SE +/- 0.17, N = 3SE +/- 1.29, N = 3SE +/- 0.42, N = 3SE +/- 0.44, N = 3SE +/- 1.91, N = 3SE +/- 35.72, N = 6SE +/- 0.49, N = 3SE +/- 1.08, N = 3SE +/- 0.23, N = 3SE +/- 0.56, N = 3SE +/- 0.68, N = 341.5843.6646.4946.5378.7178.8281.86210.69234.97283.50290.11392.37402.53448.251. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lnuma -libverbs -lrt -laio -lz -lm -lpthread -ldl

Flexible IO Tester

Type: Sequential Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory

HDDSSDOpenBenchmarking.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 DirectoryMQ KyberMQ DeadlineMQ BFQMQ NoneNoopCFQDeadline20K40K60K80K100KSE +/- 286.16, N = 6SE +/- 423.30, N = 6SE +/- 502.38, N = 6SE +/- 41.20, N = 3SE +/- 321.92, N = 3SE +/- 105.30, N = 3SE +/- 108.91, N = 3SE +/- 477.54, N = 3SE +/- 8929.58, N = 6SE +/- 121.94, N = 3SE +/- 269.62, N = 3SE +/- 56.40, N = 3SE +/- 140.58, N = 3SE +/- 168.96, N = 31039110911116191162819675197012046152670587397087272524980901006281120591. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lnuma -libverbs -lrt -laio -lz -lm -lpthread -ldl

Flexible IO Tester

Type: Sequential Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory

HDDSSDOpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 2.1.13Type: Sequential Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test DirectoryMQ KyberMQ BFQMQ DeadlineMQ NoneNoopDeadlineCFQ60120180240300SE +/- 0.14, N = 3SE +/- 0.10, N = 3SE +/- 0.55, N = 6SE +/- 0.65, N = 6SE +/- 1.72, N = 6SE +/- 0.98, N = 3SE +/- 1.32, N = 3SE +/- 21.16, N = 6SE +/- 22.35, N = 6SE +/- 32.92, N = 6SE +/- 26.61, N = 6SE +/- 17.02, N = 6SE +/- 18.53, N = 6SE +/- 19.63, N = 620.9321.1522.3035.2967.7367.7872.91145.41170.61188.06229.41231.40258.47272.821. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lnuma -libverbs -lrt -laio -lz -lm -lpthread -ldl

Flexible IO Tester

Type: Sequential Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory

HDDSSDOpenBenchmarking.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 DirectoryMQ KyberMQ BFQMQ DeadlineMQ NoneNoopDeadlineCFQ15K30K45K60K75KSE +/- 34.02, N = 3SE +/- 26.18, N = 3SE +/- 138.39, N = 6SE +/- 161.26, N = 6SE +/- 428.90, N = 6SE +/- 245.71, N = 3SE +/- 329.04, N = 3SE +/- 5290.73, N = 6SE +/- 5587.60, N = 6SE +/- 8230.37, N = 6SE +/- 6652.20, N = 6SE +/- 4254.36, N = 6SE +/- 4632.36, N = 6SE +/- 4907.39, N = 65229528355728818169291694218223363484265047011573505784764615682001. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lnuma -libverbs -lrt -laio -lz -lm -lpthread -ldl

Dbench

Client Count: 6

HDDSSDOpenBenchmarking.orgMB/s, More Is BetterDbench 4.0Client Count: 6MQ BFQMQ KyberMQ NoneCFQMQ DeadlineDeadlineNoop70140210280350SE +/- 3.69, N = 6SE +/- 0.27, N = 3SE +/- 0.16, N = 3SE +/- 0.74, N = 3SE +/- 0.19, N = 3SE +/- 0.31, N = 3SE +/- 0.45, N = 3SE +/- 0.62, N = 3SE +/- 1.61, N = 3SE +/- 3.70, N = 3SE +/- 1.51, N = 3SE +/- 0.92, N = 3SE +/- 4.65, N = 3SE +/- 2.66, N = 321.8537.8038.0338.2238.7338.8940.7456.17331.68332.99334.04334.64335.27339.781. (CC) gcc options: -lpopt -O2

IOzone

Record Size: 4Kb - File Size: 8GB - Disk Test: Write Performance

SSDHDDOpenBenchmarking.orgMB/s, More Is BetterIOzone 3.405Record Size: 4Kb - File Size: 8GB - Disk Test: Write PerformanceDeadlineMQ NoneCFQMQ DeadlineNoopMQ KyberMQ BFQ306090120150SE +/- 2.13, N = 6SE +/- 3.14, N = 6SE +/- 3.07, N = 6SE +/- 3.17, N = 6SE +/- 2.75, N = 6SE +/- 3.19, N = 6SE +/- 1.44, N = 6SE +/- 0.86, N = 3SE +/- 0.87, N = 3SE +/- 0.81, N = 3SE +/- 0.93, N = 3SE +/- 0.75, N = 3SE +/- 0.49, N = 3SE +/- 0.54, N = 341.1041.9446.2948.9149.0949.5451.2064.5766.5568.6269.7570.1874.19142.081. (CC) gcc options: -O3

Compile Bench

Test: Initial Create

HDDSSDOpenBenchmarking.orgMB/s, More Is BetterCompile Bench 0.6Test: Initial CreateDeadlineNoopCFQMQ NoneMQ KyberMQ BFQMQ Deadline130260390520650SE +/- 25.27, N = 6SE +/- 18.12, N = 6SE +/- 25.26, N = 6SE +/- 25.14, N = 6SE +/- 23.07, N = 6SE +/- 6.02, N = 3SE +/- 20.19, N = 6SE +/- 8.17, N = 4SE +/- 9.64, N = 3SE +/- 14.76, N = 6SE +/- 17.28, N = 6SE +/- 17.66, N = 6SE +/- 13.74, N = 6SE +/- 10.08, N = 3486.25498.71515.05534.14536.19544.06547.99501.10514.28531.69531.90552.72560.98588.01

PostgreSQL pgbench

Scaling: On-Disk - Test: Normal Load - Mode: Read Write

HDDSSDOpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 9.6.3Scaling: On-Disk - Test: Normal Load - Mode: Read WriteMQ BFQMQ DeadlineDeadlineCFQNoopMQ NoneMQ Kyber200400600800100034.0661.8066.3871.6571.8373.7876.39666.10768.92790.92795.14854.76880.181. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -fpic -lpgcommon -lpgport -lrt -lcrypt -ldl -lm

Phoronix Test Suite v10.8.5