Linux 3.11 Kernel Btrfs File-System Benchmarks

Intel Core i7-4770K Haswell desktop benchmarks of the Linux 3.11 kernel with Btrfs and different file-system mount options / tuning parameters. Linux Btrfs benchmarks for a future article on Phoronix.com by Michael Larabel.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1307204-SO-LINUXBTRF26
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Btrfs
July 18 2013
 
Btrfs - Zlib Compression
July 20 2013
 
Btrfs - LZO Compression
July 20 2013
 
Btrfs - No Data COW
July 20 2013
 
Btrfs - No Barrier
July 20 2013
 
Btrfs - SSD Spread
July 20 2013
 
Btrfs - Auto Defrag
July 20 2013
 
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Btrfs

Compiler Notes: --build=x86_64-linux-gnu --disable-browser-plugin --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,c++,java,go,d,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --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-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64/jre --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-amd64 --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Disk Notes: DEADLINE / relatime,rw,space_cache,ssd
Processor Notes: Scaling Governor: acpi-cpufreq ondemand
System Notes: Disk Scheduler: DEADLINE. Python 2.7.5+.

Btrfs - Zlib Compression

Compiler Notes: --build=x86_64-linux-gnu --disable-browser-plugin --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,c++,java,go,d,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --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-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64/jre --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-amd64 --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Disk Notes: DEADLINE / compress=zlib,relatime,rw,space_cache,ssd
System Notes: Disk Scheduler: DEADLINE. Python 2.7.5+.

Btrfs - LZO Compression

Compiler Notes: --build=x86_64-linux-gnu --disable-browser-plugin --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,c++,java,go,d,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --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-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64/jre --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-amd64 --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Disk Notes: DEADLINE / compress=lzo,relatime,rw,space_cache,ssd
System Notes: Disk Scheduler: DEADLINE. Python 2.7.5+.

Btrfs - No Data COW

Compiler Notes: --build=x86_64-linux-gnu --disable-browser-plugin --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,c++,java,go,d,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --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-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64/jre --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-amd64 --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Disk Notes: DEADLINE / nodatacow,nodatasum,relatime,rw,space_cache,ssd
System Notes: Disk Scheduler: DEADLINE. Python 2.7.5+.

Btrfs - No Barrier

Compiler Notes: --build=x86_64-linux-gnu --disable-browser-plugin --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,c++,java,go,d,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --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-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64/jre --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-amd64 --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Disk Notes: DEADLINE / nobarrier,relatime,rw,space_cache,ssd
System Notes: Disk Scheduler: DEADLINE. Python 2.7.5+.

Btrfs - SSD Spread

Compiler Notes: --build=x86_64-linux-gnu --disable-browser-plugin --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,c++,java,go,d,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --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-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64/jre --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-amd64 --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Disk Notes: DEADLINE / relatime,rw,space_cache,ssd_spread
System Notes: Disk Scheduler: DEADLINE. Python 2.7.5+.

Btrfs - Auto Defrag

Processor: Intel Core i7-4770K @ 3.50GHz (8 Cores), Motherboard: Intel DH87RL, Chipset: Intel 4th Gen Core DRAM, Memory: 15360MB, Disk: 240GB OCZ VERTEX3, Graphics: Intel Haswell Desktop, Audio: Realtek ALC892, Network: Intel Connection I217-V

OS: Ubuntu 13.10, Kernel: 3.11.0-999-generic (x86_64), Desktop: Unity 7.0.2, Display Server: X Server 1.14.2, Display Driver: intel 2.21.12, OpenGL: 3.1 Mesa 9.2.0-devel (git-7fd30a8), Compiler: GCC 4.8 + LLVM 3.3, File-System: btrfs, Screen Resolution: 1920x1080

Compiler Notes: --build=x86_64-linux-gnu --disable-browser-plugin --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,c++,java,go,d,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --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-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64/jre --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-amd64 --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Disk Notes: DEADLINE / autodefrag,relatime,rw,space_cache,ssd
System Notes: Disk Scheduler: DEADLINE. Python 2.7.5+.

Linux 3.11 Kernel Btrfs File-System BenchmarksOpenBenchmarking.orgPhoronix Test SuiteIntel Core i7-4770K @ 3.50GHz (8 Cores)Intel DH87RLIntel 4th Gen Core DRAM15360MB240GB OCZ VERTEX3Intel Haswell DesktopRealtek ALC892Intel Connection I217-VUbuntu 13.103.11.0-999-generic (x86_64)Unity 7.0.2X Server 1.14.2intel 2.21.123.1 Mesa 9.2.0-devel (git-7fd30a8)GCC 4.8 + LLVM 3.3btrfs1920x1080ProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionLinux 3.11 Kernel Btrfs File-System Benchmarks PerformanceSystem Logs- --build=x86_64-linux-gnu --disable-browser-plugin --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,c++,java,go,d,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --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-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64/jre --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-amd64 --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v - Btrfs: DEADLINE / relatime,rw,space_cache,ssd- Btrfs - Zlib Compression: DEADLINE / compress=zlib,relatime,rw,space_cache,ssd- Btrfs - LZO Compression: DEADLINE / compress=lzo,relatime,rw,space_cache,ssd- Btrfs - No Data COW: DEADLINE / nodatacow,nodatasum,relatime,rw,space_cache,ssd- Btrfs - No Barrier: DEADLINE / nobarrier,relatime,rw,space_cache,ssd- Btrfs - SSD Spread: DEADLINE / relatime,rw,space_cache,ssd_spread- Btrfs - Auto Defrag: DEADLINE / autodefrag,relatime,rw,space_cache,ssd- Btrfs: Scaling Governor: acpi-cpufreq ondemand- Disk Scheduler: DEADLINE. Python 2.7.5+.

BtrfsBtrfs - Zlib CompressionBtrfs - LZO CompressionBtrfs - No Data COWBtrfs - No BarrierBtrfs - SSD SpreadBtrfs - Auto DefragLogarithmic Result OverviewPhoronix Test SuiteIOzoneFS-MarkCompile BenchFlexible IO TesterDbenchCompile BenchFS-MarkFS-MarkIOzone64Kb - 8GB - Write Performance5.F.1.S.4.TCompileI.I.F.S.A.P1Initial Create1.F.1.S4.F.3.S.D.1.S64Kb - 8GB - Read Performance

Linux 3.11 Kernel Btrfs File-System Benchmarkscompilebench: Initial Createcompilebench: Compileiozone: 64Kb - 8GB - Write Performanceiozone: 64Kb - 8GB - Read Performancedbench: 1fs-mark: 4000 Files, 32 Sub Dirs, 1MB Sizefs-mark: 5000 Files, 1MB Size, 4 Threadsfs-mark: 1000 Files, 1MB Sizefio: Intel IOMeter File Server Access PatternBtrfsBtrfs - Zlib CompressionBtrfs - LZO CompressionBtrfs - No Data COWBtrfs - No BarrierBtrfs - SSD SpreadBtrfs - Auto Defrag144.69406.92494.585998.34292.19229.47391.57247.52163.33108.02494.311110.896005.05266.28208.70781.83208.28164.42133.271009.672208.606051.92271.96261.531344.43265.80163.25148.06558.63494.815934.64304.08222.73404.13229.52201.06145.86405.65493.916062.90370.81237.62427.33250.90162.16145.15406.15493.855977.28293.14242.12390.17232.88162.48146.14408.87493.396031.25292.24231.40393.17217.83333.12OpenBenchmarking.org

Compile Bench

OpenBenchmarking.orgMB/s, More Is BetterCompile Bench 0.6Test: Initial CreateBtrfsBtrfs - Auto DefragBtrfs - LZO CompressionBtrfs - No BarrierBtrfs - No Data COWBtrfs - SSD SpreadBtrfs - Zlib Compression306090120150SE +/- 0.50, N = 3SE +/- 1.05, N = 3SE +/- 0.51, N = 3SE +/- 2.08, N = 3SE +/- 2.51, N = 3SE +/- 1.34, N = 3SE +/- 0.71, N = 3144.69146.14133.27145.86148.06145.15108.02

OpenBenchmarking.orgMB/s, More Is BetterCompile Bench 0.6Test: CompileBtrfsBtrfs - Auto DefragBtrfs - LZO CompressionBtrfs - No BarrierBtrfs - No Data COWBtrfs - SSD SpreadBtrfs - Zlib Compression2004006008001000SE +/- 0.23, N = 3SE +/- 0.24, N = 3SE +/- 4.00, N = 3SE +/- 0.92, N = 3SE +/- 1.27, N = 3SE +/- 0.38, N = 3SE +/- 1.51, N = 3406.92408.871009.67405.65558.63406.15494.31

IOzone

The IOzone benchmark tests the hard disk drive / file-system performance. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMB/s, More Is BetterIOzone 3.405Record Size: 64Kb - File Size: 8GB - Disk Test: Write PerformanceBtrfsBtrfs - Auto DefragBtrfs - LZO CompressionBtrfs - No BarrierBtrfs - No Data COWBtrfs - SSD SpreadBtrfs - Zlib Compression5001000150020002500SE +/- 0.24, N = 3SE +/- 0.23, N = 3SE +/- 10.46, N = 3SE +/- 0.55, N = 3SE +/- 0.52, N = 3SE +/- 0.42, N = 3SE +/- 11.48, N = 3494.58493.392208.60493.91494.81493.851110.891. (CC) gcc options: -O3

OpenBenchmarking.orgMB/s, More Is BetterIOzone 3.405Record Size: 64Kb - File Size: 8GB - Disk Test: Read PerformanceBtrfsBtrfs - Auto DefragBtrfs - LZO CompressionBtrfs - No BarrierBtrfs - No Data COWBtrfs - SSD SpreadBtrfs - Zlib Compression13002600390052006500SE +/- 23.16, N = 3SE +/- 32.93, N = 3SE +/- 12.00, N = 3SE +/- 13.08, N = 3SE +/- 28.14, N = 3SE +/- 49.13, N = 3SE +/- 26.92, N = 35998.346031.256051.926062.905934.645977.286005.051. (CC) gcc options: -O3

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: 1BtrfsBtrfs - Auto DefragBtrfs - LZO CompressionBtrfs - No BarrierBtrfs - No Data COWBtrfs - SSD SpreadBtrfs - Zlib Compression80160240320400SE +/- 0.42, N = 3SE +/- 0.74, N = 3SE +/- 0.59, N = 3SE +/- 1.31, N = 3SE +/- 0.33, N = 3SE +/- 0.44, N = 3SE +/- 0.29, N = 3292.19292.24271.96370.81304.08293.14266.281. (CC) gcc options: -lpopt -O2

FS-Mark

OpenBenchmarking.orgFiles/s, More Is BetterFS-Mark 3.3Test: 4000 Files, 32 Sub Dirs, 1MB SizeBtrfsBtrfs - Auto DefragBtrfs - LZO CompressionBtrfs - No BarrierBtrfs - No Data COWBtrfs - SSD SpreadBtrfs - Zlib Compression60120180240300SE +/- 5.25, N = 6SE +/- 5.94, N = 6SE +/- 4.02, N = 3SE +/- 8.55, N = 6SE +/- 3.92, N = 3SE +/- 11.51, N = 6SE +/- 2.77, N = 3229.47231.40261.53237.62222.73242.12208.701. (CC) gcc options: -static

OpenBenchmarking.orgFiles/s, More Is BetterFS-Mark 3.3Test: 5000 Files, 1MB Size, 4 ThreadsBtrfsBtrfs - Auto DefragBtrfs - LZO CompressionBtrfs - No BarrierBtrfs - No Data COWBtrfs - SSD SpreadBtrfs - Zlib Compression30060090012001500SE +/- 0.93, N = 3SE +/- 0.44, N = 3SE +/- 2.49, N = 3SE +/- 1.28, N = 3SE +/- 1.32, N = 3SE +/- 1.13, N = 3SE +/- 3.58, N = 3391.57393.171344.43427.33404.13390.17781.831. (CC) gcc options: -static

OpenBenchmarking.orgFiles/s, More Is BetterFS-Mark 3.3Test: 1000 Files, 1MB SizeBtrfsBtrfs - Auto DefragBtrfs - LZO CompressionBtrfs - No BarrierBtrfs - No Data COWBtrfs - SSD SpreadBtrfs - Zlib Compression60120180240300SE +/- 14.07, N = 6SE +/- 15.56, N = 6SE +/- 1.80, N = 3SE +/- 14.22, N = 6SE +/- 10.07, N = 6SE +/- 12.08, N = 6SE +/- 3.09, N = 4247.52217.83265.80250.90229.52232.88208.281. (CC) gcc options: -static

Flexible IO Tester

OpenBenchmarking.orgSeconds (Run Time), Fewer Is BetterFlexible IO Tester 1.57Test: Intel IOMeter File Server Access PatternBtrfsBtrfs - Auto DefragBtrfs - LZO CompressionBtrfs - No BarrierBtrfs - No Data COWBtrfs - SSD SpreadBtrfs - Zlib Compression70140210280350SE +/- 1.40, N = 3SE +/- 2.63, N = 3SE +/- 1.10, N = 3SE +/- 1.15, N = 3SE +/- 1.84, N = 3SE +/- 0.57, N = 3SE +/- 2.10, N = 3163.33333.12163.25162.16201.06162.48164.421. (CC) gcc options: -std=gnu99 -O2 -rdynamic -lm -lpthread -ldl -lrt -laio

Btrfs

Compiler Notes: --build=x86_64-linux-gnu --disable-browser-plugin --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,c++,java,go,d,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --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-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64/jre --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-amd64 --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Disk Notes: DEADLINE / relatime,rw,space_cache,ssd
Processor Notes: Scaling Governor: acpi-cpufreq ondemand
System Notes: Disk Scheduler: DEADLINE. Python 2.7.5+.

Testing initiated at 18 July 2013 13:53 by user phoronix.

Btrfs - Zlib Compression

Compiler Notes: --build=x86_64-linux-gnu --disable-browser-plugin --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,c++,java,go,d,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --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-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64/jre --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-amd64 --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Disk Notes: DEADLINE / compress=zlib,relatime,rw,space_cache,ssd
System Notes: Disk Scheduler: DEADLINE. Python 2.7.5+.

Testing initiated at 20 July 2013 07:45 by user phoronix.

Btrfs - LZO Compression

Compiler Notes: --build=x86_64-linux-gnu --disable-browser-plugin --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,c++,java,go,d,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --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-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64/jre --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-amd64 --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Disk Notes: DEADLINE / compress=lzo,relatime,rw,space_cache,ssd
System Notes: Disk Scheduler: DEADLINE. Python 2.7.5+.

Testing initiated at 20 July 2013 08:50 by user phoronix.

Btrfs - No Data COW

Compiler Notes: --build=x86_64-linux-gnu --disable-browser-plugin --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,c++,java,go,d,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --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-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64/jre --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-amd64 --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Disk Notes: DEADLINE / nodatacow,nodatasum,relatime,rw,space_cache,ssd
System Notes: Disk Scheduler: DEADLINE. Python 2.7.5+.

Testing initiated at 20 July 2013 09:51 by user phoronix.

Btrfs - No Barrier

Compiler Notes: --build=x86_64-linux-gnu --disable-browser-plugin --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,c++,java,go,d,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --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-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64/jre --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-amd64 --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Disk Notes: DEADLINE / nobarrier,relatime,rw,space_cache,ssd
System Notes: Disk Scheduler: DEADLINE. Python 2.7.5+.

Testing initiated at 20 July 2013 11:01 by user phoronix.

Btrfs - SSD Spread

Compiler Notes: --build=x86_64-linux-gnu --disable-browser-plugin --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,c++,java,go,d,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --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-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64/jre --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-amd64 --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Disk Notes: DEADLINE / relatime,rw,space_cache,ssd_spread
System Notes: Disk Scheduler: DEADLINE. Python 2.7.5+.

Testing initiated at 20 July 2013 12:16 by user phoronix.

Btrfs - Auto Defrag

Processor: Intel Core i7-4770K @ 3.50GHz (8 Cores), Motherboard: Intel DH87RL, Chipset: Intel 4th Gen Core DRAM, Memory: 15360MB, Disk: 240GB OCZ VERTEX3, Graphics: Intel Haswell Desktop, Audio: Realtek ALC892, Network: Intel Connection I217-V

OS: Ubuntu 13.10, Kernel: 3.11.0-999-generic (x86_64), Desktop: Unity 7.0.2, Display Server: X Server 1.14.2, Display Driver: intel 2.21.12, OpenGL: 3.1 Mesa 9.2.0-devel (git-7fd30a8), Compiler: GCC 4.8 + LLVM 3.3, File-System: btrfs, Screen Resolution: 1920x1080

Compiler Notes: --build=x86_64-linux-gnu --disable-browser-plugin --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,c++,java,go,d,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --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-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64/jre --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-amd64 --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Disk Notes: DEADLINE / autodefrag,relatime,rw,space_cache,ssd
System Notes: Disk Scheduler: DEADLINE. Python 2.7.5+.

Testing initiated at 20 July 2013 13:55 by user phoronix.