Linux 3.8 Btrfs EXT4 File-System Benchmarks

Intel Core laptop backed by an Intel solid-state drive (SSD) being used for EXT4 and Btrfs file-system benchmarks looking at the Linux 3.8 kernel. Benchmarks by Michael Larabel for a future article on Phoronix.com.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1302139-FO-LINUX38BT70
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Btrfs: Linux 3.5
February 12 2013
 
Btrfs: Linux 3.7
February 12 2013
 
Btrfs: Linux 3.8
February 12 2013
 
EXT4: Linux 3.5
February 13 2013
 
EXT4: Linux 3.7
February 13 2013
 
EXT4: Linux 3.8
February 12 2013
 
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Btrfs: Linux 3.8

Processor: Intel Core i5-2520M @ 2.50GHz (4 Cores), Motherboard: HP 161C, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 1 x 4096 MB DDR3-1333MHz, Disk: 160GB INTEL SSDSA2M160, Graphics: Intel Gen6 Mobile (1300MHz), Audio: IDT 92HD81B1X5, Network: Intel 82579LM Gigabit Connection + Intel Centrino Advanced-N 6205

OS: Ubuntu 13.04, Kernel: 3.8.0-999-generic (x86_64), Desktop: Unity 6.6.0, Display Server: X Server 1.13.2, Display Driver: intel 2.21.2, OpenGL: 3.0 Mesa 9.0.2, Compiler: GCC 4.7, File-System: btrfs, Screen Resolution: 1600x900

Compiler Notes: --build=x86_64-linux-gnu --disable-cloog-version-check --disable-ppl-version-check --disable-werror --enable-checking=release --enable-clocale=gnu --enable-cloog-backend=ppl --enable-gnu-unique-object --enable-languages=c,c++,go,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-cloog --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Disk Notes: DEADLINE / relatime,rw,space_cache,ssd
Processor Notes: Scaling Governor: ondemand
System Notes: Disk Scheduler: DEADLINE. Python 2.7.3.

Btrfs: Linux 3.7

OS: Ubuntu 13.04, Kernel: 3.7.0-030700-generic (x86_64), Desktop: Unity 6.6.0, Display Server: X Server 1.13.2, Display Driver: intel 2.21.2, OpenGL: 3.0 Mesa 9.0.2, Compiler: GCC 4.7, File-System: btrfs, Screen Resolution: 1600x900

Btrfs: Linux 3.5

OS: Ubuntu 13.04, Kernel: 3.5.0-030500-generic (x86_64), Desktop: Unity 6.6.0, Display Server: X Server 1.13.2, Display Driver: intel 2.21.2, OpenGL: 3.0 Mesa 9.0.2, Compiler: GCC 4.7, File-System: btrfs, Screen Resolution: 1600x900

Compiler Notes: --build=x86_64-linux-gnu --disable-cloog-version-check --disable-ppl-version-check --disable-werror --enable-checking=release --enable-clocale=gnu --enable-cloog-backend=ppl --enable-gnu-unique-object --enable-languages=c,c++,go,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-cloog --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Disk Notes: CFQ / relatime,rw,space_cache,ssd
Processor Notes: Scaling Governor: ondemand
System Notes: Disk Scheduler: CFQ. Python 2.7.3.

EXT4: Linux 3.8

OS: Ubuntu 13.04, Kernel: 3.8.0-999-generic (x86_64), Desktop: Unity 6.6.0, Display Server: X Server 1.13.2, Display Driver: intel 2.21.2, OpenGL: 3.0 Mesa 9.0.2, Compiler: GCC 4.7, File-System: ext4, Screen Resolution: 1600x900

Compiler Notes: --build=x86_64-linux-gnu --disable-cloog-version-check --disable-ppl-version-check --disable-werror --enable-checking=release --enable-clocale=gnu --enable-cloog-backend=ppl --enable-gnu-unique-object --enable-languages=c,c++,go,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-cloog --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Disk Notes: DEADLINE / data=ordered,relatime,rw
Processor Notes: Scaling Governor: ondemand
System Notes: Disk Scheduler: DEADLINE. Python 2.7.3.

EXT4: Linux 3.7

OS: Ubuntu 13.04, Kernel: 3.7.0-030700-generic (x86_64), Desktop: Unity 6.6.0, Display Server: X Server 1.13.2, Display Driver: intel 2.21.2, OpenGL: 3.0 Mesa 9.0.2, Compiler: GCC 4.7, File-System: ext4, Screen Resolution: 1600x900

EXT4: Linux 3.5

OS: Ubuntu 13.04, Kernel: 3.5.0-030500-generic (x86_64), Desktop: Unity 6.6.0, Display Server: X Server 1.13.2, Display Driver: intel 2.21.2, OpenGL: 3.0 Mesa 9.0.2, Compiler: GCC 4.7, File-System: ext4, Screen Resolution: 1600x900

Compiler Notes: --build=x86_64-linux-gnu --disable-cloog-version-check --disable-ppl-version-check --disable-werror --enable-checking=release --enable-clocale=gnu --enable-cloog-backend=ppl --enable-gnu-unique-object --enable-languages=c,c++,go,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-cloog --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Disk Notes: CFQ / data=ordered,relatime,rw
Processor Notes: Scaling Governor: ondemand
System Notes: Disk Scheduler: CFQ. Python 2.7.3.

ProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionBtrfsEXT4 Linux 3.8 Linux 3.7 Linux 3.5 Linux 3.8 Linux 3.7 Linux 3.5Intel Core i5-2520M @ 2.50GHz (4 Cores)HP 161CIntel 2nd Generation Core Family DRAM1 x 4096 MB DDR3-1333MHz160GB INTEL SSDSA2M160Intel Gen6 Mobile (1300MHz)IDT 92HD81B1X5Intel 82579LM Gigabit Connection + Intel Centrino Advanced-N 6205Ubuntu 13.043.8.0-999-generic (x86_64)Unity 6.6.0X Server 1.13.2intel 2.21.23.0 Mesa 9.0.2GCC 4.7btrfs1600x9003.7.0-030700-generic (x86_64)3.5.0-030500-generic (x86_64)3.8.0-999-generic (x86_64)ext43.7.0-030700-generic (x86_64)3.5.0-030500-generic (x86_64)OpenBenchmarking.orgCompiler Details- --build=x86_64-linux-gnu --disable-cloog-version-check --disable-ppl-version-check --disable-werror --enable-checking=release --enable-clocale=gnu --enable-cloog-backend=ppl --enable-gnu-unique-object --enable-languages=c,c++,go,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-cloog --with-multilib-list=m32,m64,mx32 --with-tune=generic -v Disk Details- Btrfs: Linux 3.8: DEADLINE / relatime,rw,space_cache,ssd- Btrfs: Linux 3.7: DEADLINE / relatime,rw,space_cache,ssd- Btrfs: Linux 3.5: CFQ / relatime,rw,space_cache,ssd- EXT4: Linux 3.8: DEADLINE / data=ordered,relatime,rw- EXT4: Linux 3.7: DEADLINE / data=ordered,relatime,rw- EXT4: Linux 3.5: CFQ / data=ordered,relatime,rwProcessor Details- Scaling Governor: ondemandSystem Details- Btrfs: Linux 3.8: Disk Scheduler: DEADLINE. Python 2.7.3.- Btrfs: Linux 3.7: Disk Scheduler: DEADLINE. Python 2.7.3.- Btrfs: Linux 3.5: Disk Scheduler: CFQ. Python 2.7.3.- EXT4: Linux 3.8: Disk Scheduler: DEADLINE. Python 2.7.3.- EXT4: Linux 3.7: Disk Scheduler: DEADLINE. Python 2.7.3.- EXT4: Linux 3.5: Disk Scheduler: CFQ. Python 2.7.3.

fio: Intel IOMeter File Server Access Patterncompilebench: Initial Createdbench: 1postmark: Disk Transaction Performancefs-mark: 1000 Files, 1MB Sizefs-mark: 4000 Files, 32 Sub Dirs, 1MB Sizeiozone: 64Kb - 8GB - Read Performanceiozone: 1MB - 8GB - Read Performanceiozone: 4Kb - 8GB - Read Performanceapache: Static Web Page Servingfs-mark: 5000 Files, 1MB Size, 4 Threadsiozone: 1MB - 8GB - Write Performanceiozone: 64Kb - 8GB - Write Performanceiozone: 4Kb - 8GB - Write Performancecompilebench: CompileBtrfsEXT4 Linux 3.8 Linux 3.7 Linux 3.5 Linux 3.8 Linux 3.7 Linux 3.5592.0773.40165.37115466.3765.17213.98211.11213.6618112.6994.63101.29101.05100.97106.96480.9560.50292.62112483.7382.20206.23214.26213.7517757.2895.63102.18102.21102.05105.08579.0061.25164.82113365.4365.47231.98233.77237.3819719.3594.6098.7698.9698.83105.50101.86109.52195.24167478.6778.80236.29239.71235.3518295.9099.60101.89101.66101.93107.13102.63105.63200.04166275.0776.77235.97238.53235.4417967.1996.53101.74101.55101.61106.15117.7397.91209.03167476.1376.20254.78254.75254.6619635.8296.23100.41100.35100.24103.97OpenBenchmarking.org

Flexible IO Tester

MinAvgMaxBtrfs481.0550.7592.1EXT4101.9107.4117.7OpenBenchmarking.orgSeconds (Run Time), Fewer Is BetterFlexible IO Tester 1.57Test: Intel IOMeter File Server Access PatternLinux 3.8Linux 3.7Linux 3.5160320480640800

Compile Bench

MinAvgMaxBtrfs60.565.173.4EXT497.9104.4109.5OpenBenchmarking.orgMB/s, More Is BetterCompile Bench 0.6Test: Initial CreateLinux 3.8Linux 3.7Linux 3.520406080100

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.

MinAvgMaxBtrfs164.8207.6292.6EXT4195.2201.4209.0OpenBenchmarking.orgMB/s, More Is BetterDbench 4.0Client Count: 1Linux 3.8Linux 3.7Linux 3.570140210280350

PostMark

This is a test of NetApp's PostMark benchmark designed to simulate small-file testing similar to the tasks endured by web and mail servers. This test profile will set PostMark to perform 25,000 transactions with 500 files simultaneously with the file sizes ranging between 5 and 512 kilobytes. Learn more via the OpenBenchmarking.org test page.

MinAvgMaxBtrfs112411371154EXT4166216701674OpenBenchmarking.orgTPS, More Is BetterPostMark 1.51Disk Transaction PerformanceLinux 3.8Linux 3.7Linux 3.55001000150020002500

FS-Mark

MinAvgMaxBtrfs65.471.883.7EXT475.176.678.7OpenBenchmarking.orgFiles/s, More Is BetterFS-Mark 3.3Test: 1000 Files, 1MB SizeLinux 3.8Linux 3.7Linux 3.520406080100

MinAvgMaxBtrfs65.270.982.2EXT476.277.378.8OpenBenchmarking.orgFiles/s, More Is BetterFS-Mark 3.3Test: 4000 Files, 32 Sub Dirs, 1MB SizeLinux 3.8Linux 3.7Linux 3.520406080100

IOzone

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

MinAvgMaxBtrfs206.2217.4232.0EXT4236.0242.3254.8OpenBenchmarking.orgMB/s, More Is BetterIOzone 3.405Record Size: 64Kb - File Size: 8GB - Disk Test: Read PerformanceLinux 3.8Linux 3.7Linux 3.570140210280350

MinAvgMaxBtrfs211.1219.7233.8EXT4238.5244.3254.8OpenBenchmarking.orgMB/s, More Is BetterIOzone 3.405Record Size: 1MB - File Size: 8GB - Disk Test: Read PerformanceLinux 3.8Linux 3.7Linux 3.570140210280350

MinAvgMaxBtrfs213.7221.6237.4EXT4235.4241.8254.7OpenBenchmarking.orgMB/s, More Is BetterIOzone 3.405Record Size: 4Kb - File Size: 8GB - Disk Test: Read PerformanceLinux 3.8Linux 3.7Linux 3.570140210280350

Apache Benchmark

MinAvgMaxBtrfs177571853019719EXT4179671863319636OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.3Static Web Page ServingLinux 3.8Linux 3.7Linux 3.55K10K15K20K25K

FS-Mark

MinAvgMaxBtrfs94.695.095.6EXT496.297.599.6OpenBenchmarking.orgFiles/s, More Is BetterFS-Mark 3.3Test: 5000 Files, 1MB Size, 4 ThreadsLinux 3.8Linux 3.7Linux 3.520406080100

IOzone

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

MinAvgMaxBtrfs98.8100.7102.2EXT4100.4101.3101.9OpenBenchmarking.orgMB/s, More Is BetterIOzone 3.405Record Size: 1MB - File Size: 8GB - Disk Test: Write PerformanceLinux 3.8Linux 3.7Linux 3.520406080100

MinAvgMaxBtrfs99.0100.7102.2EXT4100.4101.2101.7OpenBenchmarking.orgMB/s, More Is BetterIOzone 3.405Record Size: 64Kb - File Size: 8GB - Disk Test: Write PerformanceLinux 3.8Linux 3.7Linux 3.520406080100

MinAvgMaxBtrfs98.8100.6102.1EXT4100.2101.3101.9OpenBenchmarking.orgMB/s, More Is BetterIOzone 3.405Record Size: 4Kb - File Size: 8GB - Disk Test: Write PerformanceLinux 3.8Linux 3.7Linux 3.520406080100

Compile Bench

MinAvgMaxBtrfs105.1105.8107.0EXT4104.0105.8107.1OpenBenchmarking.orgMB/s, More Is BetterCompile Bench 0.6Test: CompileLinux 3.8Linux 3.7Linux 3.520406080100

Btrfs: Linux 3.8

Processor: Intel Core i5-2520M @ 2.50GHz (4 Cores), Motherboard: HP 161C, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 1 x 4096 MB DDR3-1333MHz, Disk: 160GB INTEL SSDSA2M160, Graphics: Intel Gen6 Mobile (1300MHz), Audio: IDT 92HD81B1X5, Network: Intel 82579LM Gigabit Connection + Intel Centrino Advanced-N 6205

OS: Ubuntu 13.04, Kernel: 3.8.0-999-generic (x86_64), Desktop: Unity 6.6.0, Display Server: X Server 1.13.2, Display Driver: intel 2.21.2, OpenGL: 3.0 Mesa 9.0.2, Compiler: GCC 4.7, File-System: btrfs, Screen Resolution: 1600x900

Compiler Notes: --build=x86_64-linux-gnu --disable-cloog-version-check --disable-ppl-version-check --disable-werror --enable-checking=release --enable-clocale=gnu --enable-cloog-backend=ppl --enable-gnu-unique-object --enable-languages=c,c++,go,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-cloog --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Disk Notes: DEADLINE / relatime,rw,space_cache,ssd
Processor Notes: Scaling Governor: ondemand
System Notes: Disk Scheduler: DEADLINE. Python 2.7.3.

Testing initiated at 12 February 2013 12:01 by user root.

Btrfs: Linux 3.7

Processor: Intel Core i5-2520M @ 2.50GHz (4 Cores), Motherboard: HP 161C, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 1 x 4096 MB DDR3-1333MHz, Disk: 160GB INTEL SSDSA2M160, Graphics: Intel Gen6 Mobile (1300MHz), Audio: IDT 92HD81B1X5, Network: Intel 82579LM Gigabit Connection + Intel Centrino Advanced-N 6205

OS: Ubuntu 13.04, Kernel: 3.7.0-030700-generic (x86_64), Desktop: Unity 6.6.0, Display Server: X Server 1.13.2, Display Driver: intel 2.21.2, OpenGL: 3.0 Mesa 9.0.2, Compiler: GCC 4.7, File-System: btrfs, Screen Resolution: 1600x900

Compiler Notes: --build=x86_64-linux-gnu --disable-cloog-version-check --disable-ppl-version-check --disable-werror --enable-checking=release --enable-clocale=gnu --enable-cloog-backend=ppl --enable-gnu-unique-object --enable-languages=c,c++,go,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-cloog --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Disk Notes: DEADLINE / relatime,rw,space_cache,ssd
Processor Notes: Scaling Governor: ondemand
System Notes: Disk Scheduler: DEADLINE. Python 2.7.3.

Testing initiated at 12 February 2013 14:50 by user root.

Btrfs: Linux 3.5

Processor: Intel Core i5-2520M @ 2.50GHz (4 Cores), Motherboard: HP 161C, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 1 x 4096 MB DDR3-1333MHz, Disk: 160GB INTEL SSDSA2M160, Graphics: Intel Gen6 Mobile (1300MHz), Audio: IDT 92HD81B1X5, Network: Intel 82579LM Gigabit Connection + Intel Centrino Advanced-N 6205

OS: Ubuntu 13.04, Kernel: 3.5.0-030500-generic (x86_64), Desktop: Unity 6.6.0, Display Server: X Server 1.13.2, Display Driver: intel 2.21.2, OpenGL: 3.0 Mesa 9.0.2, Compiler: GCC 4.7, File-System: btrfs, Screen Resolution: 1600x900

Compiler Notes: --build=x86_64-linux-gnu --disable-cloog-version-check --disable-ppl-version-check --disable-werror --enable-checking=release --enable-clocale=gnu --enable-cloog-backend=ppl --enable-gnu-unique-object --enable-languages=c,c++,go,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-cloog --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Disk Notes: CFQ / relatime,rw,space_cache,ssd
Processor Notes: Scaling Governor: ondemand
System Notes: Disk Scheduler: CFQ. Python 2.7.3.

Testing initiated at 12 February 2013 17:37 by user root.

EXT4: Linux 3.8

Processor: Intel Core i5-2520M @ 2.50GHz (4 Cores), Motherboard: HP 161C, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 1 x 4096 MB DDR3-1333MHz, Disk: 160GB INTEL SSDSA2M160, Graphics: Intel Gen6 Mobile (1300MHz), Audio: IDT 92HD81B1X5, Network: Intel 82579LM Gigabit Connection + Intel Centrino Advanced-N 6205

OS: Ubuntu 13.04, Kernel: 3.8.0-999-generic (x86_64), Desktop: Unity 6.6.0, Display Server: X Server 1.13.2, Display Driver: intel 2.21.2, OpenGL: 3.0 Mesa 9.0.2, Compiler: GCC 4.7, File-System: ext4, Screen Resolution: 1600x900

Compiler Notes: --build=x86_64-linux-gnu --disable-cloog-version-check --disable-ppl-version-check --disable-werror --enable-checking=release --enable-clocale=gnu --enable-cloog-backend=ppl --enable-gnu-unique-object --enable-languages=c,c++,go,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-cloog --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Disk Notes: DEADLINE / data=ordered,relatime,rw
Processor Notes: Scaling Governor: ondemand
System Notes: Disk Scheduler: DEADLINE. Python 2.7.3.

Testing initiated at 12 February 2013 23:14 by user root.

EXT4: Linux 3.7

Processor: Intel Core i5-2520M @ 2.50GHz (4 Cores), Motherboard: HP 161C, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 1 x 4096 MB DDR3-1333MHz, Disk: 160GB INTEL SSDSA2M160, Graphics: Intel Gen6 Mobile (1300MHz), Audio: IDT 92HD81B1X5, Network: Intel 82579LM Gigabit Connection + Intel Centrino Advanced-N 6205

OS: Ubuntu 13.04, Kernel: 3.7.0-030700-generic (x86_64), Desktop: Unity 6.6.0, Display Server: X Server 1.13.2, Display Driver: intel 2.21.2, OpenGL: 3.0 Mesa 9.0.2, Compiler: GCC 4.7, File-System: ext4, Screen Resolution: 1600x900

Compiler Notes: --build=x86_64-linux-gnu --disable-cloog-version-check --disable-ppl-version-check --disable-werror --enable-checking=release --enable-clocale=gnu --enable-cloog-backend=ppl --enable-gnu-unique-object --enable-languages=c,c++,go,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-cloog --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Disk Notes: DEADLINE / data=ordered,relatime,rw
Processor Notes: Scaling Governor: ondemand
System Notes: Disk Scheduler: DEADLINE. Python 2.7.3.

Testing initiated at 13 February 2013 07:56 by user root.

EXT4: Linux 3.5

Processor: Intel Core i5-2520M @ 2.50GHz (4 Cores), Motherboard: HP 161C, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 1 x 4096 MB DDR3-1333MHz, Disk: 160GB INTEL SSDSA2M160, Graphics: Intel Gen6 Mobile (1300MHz), Audio: IDT 92HD81B1X5, Network: Intel 82579LM Gigabit Connection + Intel Centrino Advanced-N 6205

OS: Ubuntu 13.04, Kernel: 3.5.0-030500-generic (x86_64), Desktop: Unity 6.6.0, Display Server: X Server 1.13.2, Display Driver: intel 2.21.2, OpenGL: 3.0 Mesa 9.0.2, Compiler: GCC 4.7, File-System: ext4, Screen Resolution: 1600x900

Compiler Notes: --build=x86_64-linux-gnu --disable-cloog-version-check --disable-ppl-version-check --disable-werror --enable-checking=release --enable-clocale=gnu --enable-cloog-backend=ppl --enable-gnu-unique-object --enable-languages=c,c++,go,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-cloog --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Disk Notes: CFQ / data=ordered,relatime,rw
Processor Notes: Scaling Governor: ondemand
System Notes: Disk Scheduler: CFQ. Python 2.7.3.

Testing initiated at 13 February 2013 10:15 by user root.