Linux 4.13 I/O Scheduler Mobile

Tests by Michael Larabel for a future article on Phoronix.

HTML result view exported from: https://openbenchmarking.org/result/1708198-TY-LINUX413I65&grs&sro.

Linux 4.13 I/O Scheduler MobileProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionNoneKyber MQBFQ low_latencyBFQCFQDeadlineIntel Core i7-5600U @ 3.20GHz (4 Cores)LENOVO 20BSCTO1WWIntel Broadwell-U-OPI2 x 4096 MB DDR3-1600MHz128GB SAMSUNG MZNTE128Intel HD 5500 3072MB (950MHz)Intel Broadwell-U AudioIntel Connection + Intel Wireless 7265Ubuntu 17.044.13.0-999-generic (x86_64) 20170814Unity 7.5.0X Server 1.19.3modesetting 1.19.34.5 Mesa 17.0.7GCC 6.3.0 20170406ext41920x1080OpenBenchmarking.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- None: NONE / data=ordered,errors=remount-ro,relatime,rw- Kyber MQ: KYBER / data=ordered,errors=remount-ro,relatime,rw- BFQ low_latency: BFQ / data=ordered,errors=remount-ro,relatime,rw- BFQ: BFQ / data=ordered,errors=remount-ro,relatime,rw- CFQ: CFQ / data=ordered,errors=remount-ro,relatime,rw- Deadline: DEADLINE / data=ordered,errors=remount-ro,relatime,rwProcessor Details- Scaling Governor: intel_pstate powersave

Linux 4.13 I/O Scheduler Mobiledbench: 6fio: Seq Read - Libaio - No - Yes - 4KB - Default Test Directorydbench: 1startup-time: Seq - Only reads - Gnome terminalblogbench: Writestartup-time: Rand - Only reads - LibreOffice Writerfio: Rand Read - Libaio - No - Yes - 4KB - Default Test Directorypgbench: On-Disk - Heavy Contention - Read Writepgbench: On-Disk - Normal Load - Read Writeiozone: 4Kb - 8GB - Write Performanceblogbench: Readfs-mark: 5000 Files, 1MB Size, 4 Threadsfs-mark: 1000 Files, 1MB Sizefio: Seq Write - Libaio - No - Yes - 4KB - Default Test Directoryfio: Rand Write - Libaio - No - Yes - 4KB - Default Test Directorysqlite: Default Test Directorystartup-time: Seq - Reads and writes - LibreOffice Writerstartup-time: Seq - Reads and writes - Gnome terminalstartup-time: Rand - Reads and writes - LibreOffice Writerstartup-time: Seq - Only reads - LibreOffice Writerstartup-time: Rand - Reads and writes - Gnome terminalstartup-time: Seq - Reads and writes - xtermNoneKyber MQBFQ low_latencyBFQCFQDeadline118.25206.8358.512.8335700.31358.231351.45653.12125.5650290373.8741.50135.12125.8089.858.414.940.864.850.541.3899.79347.1153.372.0130270.31362.73977.66562.12110.4758141061.2734.07117.30107.4196.565.241.160.773.3244.75230.1327.020.2628820.35358.98744.68502.57106.0753263247.2023.63104.9389.92137.053.880.852.283.300.440.2579.25218.5945.763.8031620.31347.05790.57438.7489.6061210326.8717.8027.7226.92147.264.7086.64459.4445.742.7429180.31359.38743.33514.40104.2279805342.1325.65103.2347.83112.340.294.810.1641.2283.06458.9344.273.4431190.34364.50649.01481.6492.8664816135.6722.37103.6070.84113.641.485.380.84OpenBenchmarking.org

Dbench

Client Count: 6

OpenBenchmarking.orgMB/s, More Is BetterDbench 4.0Client Count: 6BFQBFQ low_latencyCFQDeadlineKyber MQNone306090120150SE +/- 0.22, N = 3SE +/- 0.26, N = 3SE +/- 0.87, N = 3SE +/- 1.46, N = 3SE +/- 0.38, N = 3SE +/- 0.05, N = 379.2544.7586.6483.0699.79118.251. (CC) gcc options: -lpopt -O2

Flexible IO Tester

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

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 DirectoryBFQBFQ low_latencyCFQDeadlineKyber MQNone20K40K60K80K100KSE +/- 797.79, N = 4SE +/- 1114.46, N = 3SE +/- 109.53, N = 3SE +/- 33.60, N = 3SE +/- 917.10, N = 3SE +/- 113.77, N = 3546445752911485711472986773517031. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl

Flexible IO Tester

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

OpenBenchmarking.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 DirectoryBFQBFQ low_latencyCFQDeadlineKyber MQNone100200300400500SE +/- 3.19, N = 4SE +/- 4.46, N = 3SE +/- 0.44, N = 3SE +/- 0.13, N = 3SE +/- 3.67, N = 3SE +/- 0.46, N = 3218.59230.13459.44458.93347.11206.831. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl

Dbench

Client Count: 1

OpenBenchmarking.orgMB/s, More Is BetterDbench 4.0Client Count: 1BFQBFQ low_latencyCFQDeadlineKyber MQNone1326395265SE +/- 0.38, N = 3SE +/- 0.46, N = 3SE +/- 0.43, N = 3SE +/- 0.23, N = 3SE +/- 0.44, N = 3SE +/- 0.04, N = 345.7627.0245.7444.2753.3758.511. (CC) gcc options: -lpopt -O2

Application Start-up Time

Background I/O Type: Sequential - Background I/O mix: Only reads - Application to start: Gnome terminal

OpenBenchmarking.orgsec, Fewer Is BetterApplication Start-up Time 0.1.0Background I/O Type: Sequential - Background I/O mix: Only reads - Application to start: Gnome terminalBFQBFQ low_latencyCFQDeadlineKyber MQNone0.8551.712.5653.424.275SE +/- 1.63, N = 5SE +/- 0.02, N = 6SE +/- 0.02, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 33.800.262.743.442.012.83

BlogBench

Test: Write

OpenBenchmarking.orgFinal Score, More Is BetterBlogBench 1.0Test: WriteBFQBFQ low_latencyCFQDeadlineKyber MQNone8001600240032004000SE +/- 53.19, N = 3SE +/- 125.32, N = 3SE +/- 73.37, N = 3SE +/- 123.20, N = 3SE +/- 36.13, N = 3SE +/- 26.67, N = 33162288229183119302735701. (CC) gcc options: -O2 -pthread

Application Start-up Time

Background I/O Type: Random - Background I/O mix: Only reads - Application to start: LibreOffice Writer

OpenBenchmarking.orgsec, Fewer Is BetterApplication Start-up Time 0.1.0Background I/O Type: Random - Background I/O mix: Only reads - Application to start: LibreOffice WriterBFQBFQ low_latencyCFQDeadlineKyber MQNone0.07880.15760.23640.31520.394SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 6SE +/- 0.00, N = 6SE +/- 0.00, N = 60.310.350.310.340.310.31

Flexible IO Tester

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

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 2.1.13Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test DirectoryBFQBFQ low_latencyCFQDeadlineKyber MQNone80160240320400SE +/- 0.42, N = 3SE +/- 1.00, N = 3SE +/- 1.95, N = 3SE +/- 0.05, N = 3SE +/- 0.84, N = 3SE +/- 0.04, N = 3347.05358.98359.38364.50362.73358.231. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl

Flexible IO Tester

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

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 DirectoryBFQBFQ low_latencyCFQDeadlineKyber MQNone20K40K60K80K100KSE +/- 104.86, N = 3SE +/- 251.00, N = 3SE +/- 487.32, N = 3SE +/- 11.89, N = 3SE +/- 211.01, N = 3SE +/- 9.13, N = 38676089742898429112190678895531. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl

PostgreSQL pgbench

Scaling: On-Disk - Test: Heavy Contention - Mode: Read Write

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 9.6.3Scaling: On-Disk - Test: Heavy Contention - Mode: Read WriteBFQBFQ low_latencyCFQDeadlineKyber MQNone30060090012001500SE +/- 43.96, N = 6SE +/- 38.33, N = 6SE +/- 9.04, N = 3SE +/- 10.20, N = 6SE +/- 45.49, N = 6SE +/- 8.96, N = 3790.57744.68743.33649.01977.661351.451. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -fpic -lpgcommon -lpgport -lrt -lcrypt -ldl -lm

PostgreSQL pgbench

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

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 9.6.3Scaling: On-Disk - Test: Normal Load - Mode: Read WriteBFQBFQ low_latencyCFQDeadlineKyber MQNone140280420560700SE +/- 10.63, N = 6SE +/- 28.10, N = 6SE +/- 13.09, N = 6SE +/- 30.07, N = 6SE +/- 22.48, N = 6SE +/- 15.85, N = 6438.74502.57514.40481.64562.12653.121. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -fpic -lpgcommon -lpgport -lrt -lcrypt -ldl -lm

IOzone

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

OpenBenchmarking.orgMB/s, More Is BetterIOzone 3.465Record Size: 4Kb - File Size: 8GB - Disk Test: Write PerformanceBFQBFQ low_latencyCFQDeadlineKyber MQNone306090120150SE +/- 1.78, N = 6SE +/- 1.28, N = 3SE +/- 5.23, N = 6SE +/- 6.52, N = 6SE +/- 3.80, N = 6SE +/- 2.93, N = 689.60106.07104.2292.86110.47125.561. (CC) gcc options: -O3

BlogBench

Test: Read

OpenBenchmarking.orgFinal Score, More Is BetterBlogBench 1.0Test: ReadBFQBFQ low_latencyCFQDeadlineKyber MQNone200K400K600K800K1000KSE +/- 16219.64, N = 6SE +/- 16411.27, N = 6SE +/- 33226.93, N = 6SE +/- 21980.44, N = 6SE +/- 8262.34, N = 3SE +/- 2993.42, N = 36121035326327980536481615814105029031. (CC) gcc options: -O2 -pthread

FS-Mark

Test: 5000 Files, 1MB Size, 4 Threads

OpenBenchmarking.orgFiles/s, More Is BetterFS-Mark 3.3Test: 5000 Files, 1MB Size, 4 ThreadsBFQBFQ low_latencyCFQDeadlineKyber MQNone1632486480SE +/- 5.39, N = 6SE +/- 7.20, N = 6SE +/- 5.65, N = 6SE +/- 5.13, N = 6SE +/- 4.24, N = 6SE +/- 1.09, N = 326.8747.2042.1335.6761.2773.871. (CC) gcc options: -static

FS-Mark

Test: 1000 Files, 1MB Size

OpenBenchmarking.orgFiles/s, More Is BetterFS-Mark 3.3Test: 1000 Files, 1MB SizeBFQBFQ low_latencyCFQDeadlineKyber MQNone918273645SE +/- 0.29, N = 3SE +/- 2.16, N = 6SE +/- 0.75, N = 6SE +/- 0.38, N = 6SE +/- 1.63, N = 6SE +/- 0.15, N = 317.8023.6325.6522.3734.0741.501. (CC) gcc options: -static

Flexible IO Tester

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

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 DirectoryBFQBFQ low_latencyCFQDeadlineKyber MQNone7K14K21K28K35KSE +/- 472.97, N = 6SE +/- 3698.82, N = 6SE +/- 3624.05, N = 6SE +/- 3780.94, N = 6SE +/- 3036.98, N = 6SE +/- 19.22, N = 3692626228258032589729322337771. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl

Flexible IO Tester

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

OpenBenchmarking.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 DirectoryBFQBFQ low_latencyCFQDeadlineKyber MQNone306090120150SE +/- 1.89, N = 6SE +/- 14.79, N = 6SE +/- 14.50, N = 6SE +/- 15.12, N = 6SE +/- 12.15, N = 6SE +/- 0.08, N = 327.72104.93103.23103.60117.30135.121. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl

Flexible IO Tester

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

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 DirectoryBFQBFQ low_latencyCFQDeadlineKyber MQNone7K14K21K28K35KSE +/- 497.58, N = 6SE +/- 4052.87, N = 6SE +/- 2644.91, N = 6SE +/- 3720.68, N = 6SE +/- 3604.38, N = 6SE +/- 3.51, N = 3672722477119531770626849314461. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl

Flexible IO Tester

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

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 2.1.13Type: Random Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test DirectoryBFQBFQ low_latencyCFQDeadlineKyber MQNone306090120150SE +/- 1.99, N = 6SE +/- 16.21, N = 6SE +/- 10.58, N = 6SE +/- 14.88, N = 6SE +/- 14.42, N = 6SE +/- 0.01, N = 326.9289.9247.8370.84107.41125.801. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl

SQLite

Test Target: Default Test Directory

OpenBenchmarking.orgSeconds, Fewer Is BetterSQLite 3.8.10.2Test Target: Default Test DirectoryBFQBFQ low_latencyCFQDeadlineKyber MQNone306090120150SE +/- 4.84, N = 6SE +/- 3.38, N = 6SE +/- 4.87, N = 6SE +/- 3.91, N = 6SE +/- 0.60, N = 3SE +/- 0.13, N = 3147.26137.05112.34113.6496.5689.851. (CC) gcc options: -O2 -ldl -lpthread

Application Start-up Time

Background I/O Type: Sequential - Background I/O mix: Reads and writes - Application to start: LibreOffice Writer

OpenBenchmarking.orgsec, Fewer Is BetterApplication Start-up Time 0.1.0Background I/O Type: Sequential - Background I/O mix: Reads and writes - Application to start: LibreOffice WriterBFQ low_latencyNone246810SE +/- 0.53, N = 6SE +/- 0.09, N = 33.888.41

Application Start-up Time

Background I/O Type: Sequential - Background I/O mix: Reads and writes - Application to start: Gnome terminal

OpenBenchmarking.orgsec, Fewer Is BetterApplication Start-up Time 0.1.0Background I/O Type: Sequential - Background I/O mix: Reads and writes - Application to start: Gnome terminalBFQ low_latencyKyber MQNone1.1792.3583.5374.7165.895SE +/- 0.08, N = 6SE +/- 0.03, N = 30.855.244.94

Application Start-up Time

Background I/O Type: Random - Background I/O mix: Reads and writes - Application to start: LibreOffice Writer

OpenBenchmarking.orgsec, Fewer Is BetterApplication Start-up Time 0.1.0Background I/O Type: Random - Background I/O mix: Reads and writes - Application to start: LibreOffice WriterBFQ low_latencyCFQDeadlineKyber MQNone0.5131.0261.5392.0522.565SE +/- 0.68, N = 6SE +/- 0.00, N = 3SE +/- 0.11, N = 6SE +/- 0.04, N = 6SE +/- 0.00, N = 32.280.291.481.160.86

Application Start-up Time

Background I/O Type: Sequential - Background I/O mix: Only reads - Application to start: LibreOffice Writer

OpenBenchmarking.orgsec, Fewer Is BetterApplication Start-up Time 0.1.0Background I/O Type: Sequential - Background I/O mix: Only reads - Application to start: LibreOffice WriterBFQ low_latencyCFQDeadlineNone1.21052.4213.63154.8426.0525SE +/- 0.24, N = 6SE +/- 0.04, N = 3SE +/- 0.01, N = 3SE +/- 0.03, N = 33.304.815.384.85

Application Start-up Time

Background I/O Type: Random - Background I/O mix: Reads and writes - Application to start: Gnome terminal

OpenBenchmarking.orgsec, Fewer Is BetterApplication Start-up Time 0.1.0Background I/O Type: Random - Background I/O mix: Reads and writes - Application to start: Gnome terminalBFQ low_latencyCFQDeadlineKyber MQNone0.1890.3780.5670.7560.945SE +/- 0.10, N = 6SE +/- 0.00, N = 6SE +/- 0.05, N = 6SE +/- 0.03, N = 6SE +/- 0.01, N = 30.440.160.840.770.54

Application Start-up Time

Background I/O Type: Sequential - Background I/O mix: Reads and writes - Application to start: xterm

OpenBenchmarking.orgsec, Fewer Is BetterApplication Start-up Time 0.1.0Background I/O Type: Sequential - Background I/O mix: Reads and writes - Application to start: xtermBFQBFQ low_latencyCFQKyber MQNone918273645SE +/- 1.21, N = 5SE +/- 0.04, N = 6SE +/- 2.30, N = 6SE +/- 1.96, N = 6SE +/- 0.00, N = 34.700.2541.223.321.38

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