BCache Linux 4.8 HDD + SSD Disk Test

SSD abd benchmarks by Michael Larabel for a future article. Linux 4.8 BCache tests were done with Samsung 850 EVO SSD + Hitachi HDD

HTML result view exported from: https://openbenchmarking.org/result/1610282-LO-1609260LO96&grs&sro.

BCache Linux 4.8 HDD + SSD Disk TestProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionSamsung 950 PRO 256GBIntel SSDPEKKW256G7 256GBOCZ Trion TR150 120GBCorsair Force LX 256GBPNY CS1211 120GBSamsung 850 EVO 120GBIntel SSDSC2BW12 120GBHitachi HUA72302 2TBBCache - Writethrough + DiscardBcache - Writeback + DiscardBCache - Writearound + DiscardBCache - WritethroughBCache - WritebackSAMSUNG MZ7LN256Intel Xeon E3-1280 v5 @ 4.00GHz (8 Cores)MSI C236A WORKSTATION (MS-7998) v1.0Intel Sky Lake16384MBSamsung SSD 950 PRO 256GBSapphire AMD Radeon R9 FURY / NANO 4096MBRealtek ALC1150Acer B286HKIntel ConnectionUbuntu 16.044.8.0-999-generic (x86_64) 20160920Unity 7.4.0X Server 1.18.3modesetting 1.18.34.3 Mesa 12.1.0-devel- padoka PPA Gallium 0.4GCC 5.4.0 20160609ext43840x2160256GB INTEL SSDPEKKW256G7120GB TOSHIBA-TR150 + 256GB INTEL SSDPEKKW256G7256GB CORSAIR FORCE LX + 256GB INTEL SSDPEKKW256G7PNY CS1211 120GB + 256GB INTEL SSDPEKKW256G7120GB Samsung SSD 850 + 256GB INTEL SSDPEKKW256G7120GB INTEL SSDSC2BW12 + 256GB INTEL SSDPEKKW256G72000GB Hitachi HUA72302 + 256GB INTEL SSDPEKKW256G7120GB Samsung SSD 850 + 2000GB Hitachi HUA72302 + 256GB INTEL SSDPEKKW256G7Intel Core i5-5300U @ 2.90GHz (4 Cores)LENOVO 20CLS55U00Intel Broadwell-U-OPI8192MB256GB SAMSUNG MZ7LN256Intel HD 5500Intel Broadwell-U AudioIntel Connection + Intel Wireless 7265Ubuntu 16.104.8.0-26-generic (x86_64)Unity 7.5.0X Server 1.18.4modesetting 1.18.44.3 Mesa 12.0.3GCC 6.2.0 201610051366x768OpenBenchmarking.orgCompiler Details- Samsung 950 PRO 256GB: --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- Intel SSDPEKKW256G7 256GB: --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- OCZ Trion TR150 120GB: --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- Corsair Force LX 256GB: --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- PNY CS1211 120GB: --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- Samsung 850 EVO 120GB: --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- Intel SSDSC2BW12 120GB: --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- Hitachi HUA72302 2TB: --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- BCache - Writethrough + Discard: --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- Bcache - Writeback + Discard: --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- BCache - Writearound + Discard: --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- BCache - Writethrough: --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- BCache - Writeback: --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- SAMSUNG MZ7LN256: --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 --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-tune=generic -vSystem Details- Samsung 950 PRO 256GB: Python 2.7.12.- Intel SSDPEKKW256G7 256GB: Python 2.7.12.- OCZ Trion TR150 120GB: Python 2.7.12.- Corsair Force LX 256GB: Python 2.7.12.- PNY CS1211 120GB: Python 2.7.12.- SAMSUNG MZ7LN256: This was running on battery power.Disk Mount Options Details- Samsung 950 PRO 256GB, Intel SSDPEKKW256G7 256GB: data=ordered,errors=remount-ro,relatime,rwDisk Details- OCZ Trion TR150 120GB: CFQ / data=ordered,relatime,rw- Corsair Force LX 256GB: CFQ / data=ordered,relatime,rw- PNY CS1211 120GB: CFQ / data=ordered,relatime,rw- Samsung 850 EVO 120GB: CFQ / data=ordered,relatime,rw- Intel SSDSC2BW12 120GB: CFQ / data=ordered,relatime,rw- Hitachi HUA72302 2TB: CFQ / data=ordered,relatime,rw- BCache - Writethrough + Discard: CFQ / data=ordered,relatime,rw- Bcache - Writeback + Discard: CFQ / data=ordered,relatime,rw- BCache - Writearound + Discard: CFQ / data=ordered,relatime,rw- BCache - Writethrough: CFQ / data=ordered,relatime,rw- BCache - Writeback: CFQ / data=ordered,relatime,rw- SAMSUNG MZ7LN256: DEADLINE / data=ordered,errors=remount-ro,relatime,rwProcessor Details- SAMSUNG MZ7LN256: Scaling Governor: intel_pstate powersave

BCache Linux 4.8 HDD + SSD Disk Testfio: Seq Write - POSIX AIO - No - Yes - 4KB - Default Test Directory - MB/sfs-mark: 5000 Files, 1MB Size, 4 Threadspgbench: On-Disk - Normal Load - Read Writefs-mark: 1000 Files, 1MB Sizesqlite: Default Test Directoryfio: Rand Write - POSIX AIO - No - Yes - 4KB - Default Test Directory - MB/sSamsung 950 PRO 256GBIntel SSDPEKKW256G7 256GBOCZ Trion TR150 120GBCorsair Force LX 256GBPNY CS1211 120GBSamsung 850 EVO 120GBIntel SSDSC2BW12 120GBHitachi HUA72302 2TBBCache - Writethrough + DiscardBcache - Writeback + DiscardBCache - Writearound + DiscardBCache - WritethroughBCache - WritebackSAMSUNG MZ7LN256241.37310.072790.05120.67226.49218.3895.522269.26210.7027.08205.97136.9751.471261.4064.3238.35132.36151.391862696.6588.9361.14146.8758.28193.202643.1292.6757.42135.25160.74112.001880.30103.7029.55163.10110.22124.131026.5938.57328.4195.6534.7946.27118.3621.03487.971.2928.8755.47140.7424.90495.641.2657.5658.28135.8672.40134.9042.2732.2652.27129.7524.77389.841.4829.8543.4790.7419.97580.751.2941.8048.10129.8364.53146.4842.27142.51121.48973.3980.1099.36142.81OpenBenchmarking.org

Flexible IO Tester

Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 2.1.13Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/sBCache - Writearound + DiscardBCache - WritebackBCache - WritethroughBCache - Writethrough + DiscardBcache - Writeback + DiscardCorsair Force LX 256GBHitachi HUA72302 2TBIntel SSDPEKKW256G7 256GBIntel SSDSC2BW12 120GBOCZ Trion TR150 120GBPNY CS1211 120GBSAMSUNG MZ7LN256Samsung 850 EVO 120GBSamsung 950 PRO 256GB50100150200250SE +/- 0.17, N = 3SE +/- 0.91, N = 6SE +/- 0.12, N = 3SE +/- 0.20, N = 3SE +/- 2.46, N = 6SE +/- 1.61, N = 3SE +/- 0.17, N = 3SE +/- 1.81, N = 3SE +/- 5.06, N = 6SE +/- 0.20, N = 3SE +/- 1.11, N = 3SE +/- 1.63, N = 3SE +/- 2.08, N = 3SE +/- 7.17, N = 632.2641.8029.8528.8757.56151.3934.79218.38110.22136.9758.28142.51160.74241.37-lz-lz1. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl

FS-Mark

Test: 5000 Files, 1MB Size, 4 Threads

OpenBenchmarking.orgFiles/s, More Is BetterFS-Mark 3.3Test: 5000 Files, 1MB Size, 4 ThreadsBCache - Writearound + DiscardBCache - WritebackBCache - WritethroughBCache - Writethrough + DiscardBcache - Writeback + DiscardCorsair Force LX 256GBHitachi HUA72302 2TBIntel SSDPEKKW256G7 256GBIntel SSDSC2BW12 120GBOCZ Trion TR150 120GBPNY CS1211 120GBSAMSUNG MZ7LN256Samsung 850 EVO 120GBSamsung 950 PRO 256GB70140210280350SE +/- 1.21, N = 6SE +/- 0.55, N = 3SE +/- 0.53, N = 3SE +/- 0.71, N = 3SE +/- 1.95, N = 6SE +/- 0.00, N = 3SE +/- 0.13, N = 3SE +/- 3.45, N = 6SE +/- 0.74, N = 3SE +/- 0.48, N = 3SE +/- 0.40, N = 3SE +/- 3.19, N = 6SE +/- 1.01, N = 3SE +/- 2.17, N = 352.2748.1043.4755.4758.28186.0046.2795.52124.1351.47193.20121.48112.00310.071. (CC) gcc options: -static

PostgreSQL pgbench

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

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 9.4.3Scaling: On-Disk - Test: Normal Load - Mode: Read WriteBCache - Writearound + DiscardBCache - WritebackBCache - WritethroughBCache - Writethrough + DiscardBcache - Writeback + DiscardCorsair Force LX 256GBHitachi HUA72302 2TBIntel SSDPEKKW256G7 256GBIntel SSDSC2BW12 120GBOCZ Trion TR150 120GBPNY CS1211 120GBSAMSUNG MZ7LN256Samsung 850 EVO 120GBSamsung 950 PRO 256GB6001200180024003000SE +/- 0.25, N = 3SE +/- 1.13, N = 3SE +/- 45.36, N = 3SE +/- 3.12, N = 6SE +/- 1.01, N = 3SE +/- 8.13, N = 3SE +/- 1.67, N = 3SE +/- 32.17, N = 3SE +/- 12.13, N = 3SE +/- 24.20, N = 3SE +/- 35.07, N = 6SE +/- 62.68, N = 6SE +/- 17.14, N = 3SE +/- 33.95, N = 3129.75129.8390.74140.74135.862696.65118.362269.261026.591261.402643.12973.391880.302790.051. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -pthread -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

FS-Mark

Test: 1000 Files, 1MB Size

OpenBenchmarking.orgFiles/s, More Is BetterFS-Mark 3.3Test: 1000 Files, 1MB SizeBCache - Writearound + DiscardBCache - WritebackBCache - WritethroughBCache - Writethrough + DiscardBcache - Writeback + DiscardCorsair Force LX 256GBHitachi HUA72302 2TBIntel SSDPEKKW256G7 256GBIntel SSDSC2BW12 120GBOCZ Trion TR150 120GBPNY CS1211 120GBSAMSUNG MZ7LN256Samsung 850 EVO 120GBSamsung 950 PRO 256GB50100150200250SE +/- 0.12, N = 3SE +/- 16.26, N = 6SE +/- 0.15, N = 3SE +/- 0.10, N = 3SE +/- 10.84, N = 6SE +/- 0.17, N = 3SE +/- 0.18, N = 3SE +/- 0.23, N = 3SE +/- 0.07, N = 3SE +/- 12.17, N = 6SE +/- 0.15, N = 3SE +/- 0.56, N = 3SE +/- 15.68, N = 6SE +/- 0.32, N = 324.7764.5319.9724.9072.4088.9321.03210.7038.5764.3292.6780.10103.70120.671. (CC) gcc options: -static

SQLite

Test Target: Default Test Directory

OpenBenchmarking.orgSeconds, Fewer Is BetterSQLite 3.8.10.2Test Target: Default Test DirectoryBCache - Writearound + DiscardBCache - WritebackBCache - WritethroughBCache - Writethrough + DiscardBcache - Writeback + DiscardCorsair Force LX 256GBHitachi HUA72302 2TBIntel SSDPEKKW256G7 256GBIntel SSDSC2BW12 120GBOCZ Trion TR150 120GBPNY CS1211 120GBSAMSUNG MZ7LN256Samsung 850 EVO 120GB130260390520650SE +/- 5.90, N = 3SE +/- 1.41, N = 3SE +/- 26.85, N = 6SE +/- 12.36, N = 6SE +/- 7.12, N = 6SE +/- 0.08, N = 3SE +/- 2.43, N = 3SE +/- 1.56, N = 6SE +/- 1.66, N = 3SE +/- 0.58, N = 6SE +/- 0.06, N = 3SE +/- 0.06, N = 3SE +/- 0.11, N = 3389.84146.48580.75495.64134.9061.14487.9727.08328.4138.3557.4299.3629.55-lcurses1. (CC) gcc options: -O2 -ldl -lpthread

Flexible IO Tester

Type: Random Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 2.1.13Type: Random Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/sBCache - Writearound + DiscardBCache - WritebackBCache - WritethroughBCache - Writethrough + DiscardBcache - Writeback + DiscardCorsair Force LX 256GBHitachi HUA72302 2TBIntel SSDPEKKW256G7 256GBIntel SSDSC2BW12 120GBOCZ Trion TR150 120GBPNY CS1211 120GBSAMSUNG MZ7LN256Samsung 850 EVO 120GBSamsung 950 PRO 256GB50100150200250SE +/- 0.09, N = 6SE +/- 5.06, N = 6SE +/- 0.11, N = 6SE +/- 0.10, N = 6SE +/- 3.43, N = 6SE +/- 1.47, N = 3SE +/- 0.12, N = 6SE +/- 6.87, N = 6SE +/- 1.53, N = 4SE +/- 1.51, N = 3SE +/- 1.99, N = 3SE +/- 1.95, N = 3SE +/- 0.51, N = 3SE +/- 7.69, N = 61.4842.271.291.2642.27146.871.29205.9795.65132.36135.25142.81163.10226.49-lz-lz1. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl

Phoronix Test Suite v10.8.4