GCC 4.7 Intel Sandy Bridge corei7-avx

GCC testing for a future article on Phoronix.com. Benchmarks of GCC 4.7 RC2 when comparing the effects of using GCC with -march= CPU optimization flags of core2, corei7, and corei7-avx from an Intel Sandy Bridge Extreme Edition system.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1203145-BY-GCCTUNING20
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C/C++ Compiler Tests 2 Tests
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Multi-Core 3 Tests
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GCC 4.7 RC2 - Stock
March 14 2012
 
GCC 4.7 RC2 - core2
March 14 2012
 
GCC 4.7 RC2 - corei7
March 14 2012
 
GCC 4.7 RC2 - corei7-avx
March 14 2012
 
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GCC 4.7 RC2 - Stock

Compiler Notes: --enable-checking=release --enable-languages=c,c++,fortran --enable-lto
System Notes: Compiz was running on this system.

GCC 4.7 RC2 - core2

GCC 4.7 RC2 - corei7

GCC 4.7 RC2 - corei7-avx

Processor: Intel Core i7-3960X @ 3.20GHz (12 Cores), Motherboard: Intel DX79SI, Chipset: Intel Sandy DMI2, Memory: 16384MB, Disk: 240GB OCZ VERTEX3, Graphics: AMD Radeon HD 5700 1024MB, Audio: Realtek ALC892, Monitor: DELL P2210H, Network: Intel 82579LM Gigabit Connection

OS: Ubuntu 12.04, Kernel: 3.2.0-18-generic (x86_64), Desktop: Unity 5.4.0, Display Server: X Server 1.11.3, Display Driver: radeon 6.14.99, OpenGL: 2.1 Mesa 8.0.1 Gallium 0.4, Compiler: GCC 4.7.0 20120314, File-System: ext4, Screen Resolution: 1920x1080

GCC 4.7 Intel Sandy Bridge corei7-avxOpenBenchmarking.orgPhoronix Test SuiteIntel Core i7-3960X @ 3.20GHz (12 Cores)Intel DX79SIIntel Sandy DMI216384MB240GB OCZ VERTEX3AMD Radeon HD 5700 1024MBRealtek ALC892DELL P2210HIntel 82579LM Gigabit ConnectionUbuntu 12.043.2.0-18-generic (x86_64)Unity 5.4.0X Server 1.11.3radeon 6.14.992.1 Mesa 8.0.1 Gallium 0.4GCC 4.7.0 20120314ext41920x1080ProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionGCC 4.7 Intel Sandy Bridge Corei7-avx BenchmarksSystem Logs- --enable-checking=release --enable-languages=c,c++,fortran --enable-lto- Compiz was running on this system.

GCC 4.7 RC2 - StockGCC 4.7 RC2 - core2GCC 4.7 RC2 - corei7GCC 4.7 RC2 - corei7-avxResult OverviewPhoronix Test Suite100%103%106%109%113%GraphicsMagickC-RaySmallptSharpenTotal TimeG.I.R.1.S

C-Ray

This is a test of C-Ray, a simple raytracer designed to test the floating-point CPU performance. This test is multi-threaded (16 threads per core), will shoot 8 rays per pixel for anti-aliasing, and will generate a 1600 x 1200 image. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeGCC 4.7 RC2 - StockGCC 4.7 RC2 - core2GCC 4.7 RC2 - corei7GCC 4.7 RC2 - corei7-avx714212835SE +/- 0.02, N = 3SE +/- 0.05, N = 3SE +/- 0.09, N = 3SE +/- 0.09, N = 327.8627.9827.7425.80-march=core2-march=corei7-march=corei7-avx1. (CC) gcc options: -lm -lpthread -O3
OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeGCC 4.7 RC2 - StockGCC 4.7 RC2 - core2GCC 4.7 RC2 - corei7GCC 4.7 RC2 - corei7-avx612182430Min: 27.83 / Avg: 27.86 / Max: 27.91Min: 27.88 / Avg: 27.98 / Max: 28.04Min: 27.61 / Avg: 27.74 / Max: 27.91Min: 25.64 / Avg: 25.8 / Max: 25.941. (CC) gcc options: -lm -lpthread -O3

Smallpt

Smallpt is a C++ global illumination renderer written in less than 100 lines of code. Global illumination is done via unbiased Monte Carlo path tracing and there is multi-threading support via the OpenMP library. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterSmallpt 1.0Global Illumination Renderer; 100 SamplesGCC 4.7 RC2 - StockGCC 4.7 RC2 - core2GCC 4.7 RC2 - corei7GCC 4.7 RC2 - corei7-avx510152025SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 321212120-march=core2-march=corei7-march=corei7-avx1. (CXX) g++ options: -fopenmp -O3
OpenBenchmarking.orgSeconds, Fewer Is BetterSmallpt 1.0Global Illumination Renderer; 100 SamplesGCC 4.7 RC2 - StockGCC 4.7 RC2 - core2GCC 4.7 RC2 - corei7GCC 4.7 RC2 - corei7-avx510152025Min: 21 / Avg: 21 / Max: 21Min: 21 / Avg: 21 / Max: 21Min: 21 / Avg: 21 / Max: 21Min: 20 / Avg: 20.33 / Max: 211. (CXX) g++ options: -fopenmp -O3

GraphicsMagick

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.12Operation: SharpenGCC 4.7 RC2 - StockGCC 4.7 RC2 - core2GCC 4.7 RC2 - corei7GCC 4.7 RC2 - corei7-avx20406080100SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 388878898-march=core2-march=corei7-march=corei7-avx1. (CC) gcc options: -std=gnu99 -fopenmp -O3 -pthread -ltiff -lfreetype -lXext -lSM -lICE -lX11 -lbz2 -lz -lm -lrt -lpthread
OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.12Operation: SharpenGCC 4.7 RC2 - StockGCC 4.7 RC2 - core2GCC 4.7 RC2 - corei7GCC 4.7 RC2 - corei7-avx20406080100Min: 88 / Avg: 88 / Max: 88Min: 87 / Avg: 87 / Max: 87Min: 88 / Avg: 88 / Max: 88Min: 98 / Avg: 98 / Max: 981. (CC) gcc options: -std=gnu99 -fopenmp -O3 -pthread -ltiff -lfreetype -lXext -lSM -lICE -lX11 -lbz2 -lz -lm -lrt -lpthread

GCC 4.7 RC2 - Stock

Compiler Notes: --enable-checking=release --enable-languages=c,c++,fortran --enable-lto
System Notes: Compiz was running on this system.

Testing initiated at 14 March 2012 16:27 by user phoronix.

GCC 4.7 RC2 - core2

Compiler Notes: --enable-checking=release --enable-languages=c,c++,fortran --enable-lto
System Notes: Compiz was running on this system.

Testing initiated at 14 March 2012 19:11 by user phoronix.

GCC 4.7 RC2 - corei7

Compiler Notes: --enable-checking=release --enable-languages=c,c++,fortran --enable-lto
System Notes: Compiz was running on this system.

Testing initiated at 14 March 2012 18:53 by user phoronix.

GCC 4.7 RC2 - corei7-avx

Processor: Intel Core i7-3960X @ 3.20GHz (12 Cores), Motherboard: Intel DX79SI, Chipset: Intel Sandy DMI2, Memory: 16384MB, Disk: 240GB OCZ VERTEX3, Graphics: AMD Radeon HD 5700 1024MB, Audio: Realtek ALC892, Monitor: DELL P2210H, Network: Intel 82579LM Gigabit Connection

OS: Ubuntu 12.04, Kernel: 3.2.0-18-generic (x86_64), Desktop: Unity 5.4.0, Display Server: X Server 1.11.3, Display Driver: radeon 6.14.99, OpenGL: 2.1 Mesa 8.0.1 Gallium 0.4, Compiler: GCC 4.7.0 20120314, File-System: ext4, Screen Resolution: 1920x1080

Compiler Notes: --enable-checking=release --enable-languages=c,c++,fortran --enable-lto
System Notes: Compiz was running on this system.

Testing initiated at 14 March 2012 17:45 by user phoronix.