AMD FX-8150 Bulldozer bdver1 GCC 4.7 Tuning

Using GCC 4.7.0 on an AMD FX-8150 Bulldozer eight-core CPU from an ASUS motherboard running a near final Ubuntu 12.04 LTS x86_64 with the Linux 3.2 kernel. Testing of vanilla GCC 4.7..0 and running some open-source computational tests when using CFLAGS/CXXFLAGS of -O3 and then varying -march= flags. The march= GCC 4.7 options tested for the AMD Bulldozer FX-8150 were k8, k8-sse3, barcelona, btver1, and bdver1 (optimal). Testing for a future article on Phoronix.com by Michael Larabel.

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AMD FX-8150 Bulldozer bdver1 GCC 4.7 Tuning Using GCC 4.7.0 on an AMD FX-8150 Bulldozer eight-core CPU from an ASUS motherboard running a near final Ubuntu 12.04 LTS x86_64 with the Linux 3.2 kernel. Testing of vanilla GCC 4.7..0 and running some open-source computational tests when using CFLAGS/CXXFLAGS of -O3 and then varying -march= flags. The march= GCC 4.7 options tested for the AMD Bulldozer FX-8150 were k8, k8-sse3, barcelona, btver1, and bdver1 (optimal). Testing for a future article on Phoronix.com by Michael Larabel. ,,"march=k8","march=k8-sse3","march=btver1","march=barcelona","march=bdver1" Processor,,AMD FX-8150 Eight-Core @ 3.60GHz (8 Cores),AMD FX-8150 Eight-Core @ 3.60GHz (8 Cores),AMD FX-8150 Eight-Core @ 3.60GHz (8 Cores),AMD FX-8150 Eight-Core @ 3.60GHz (8 Cores),AMD FX-8150 Eight-Core @ 3.60GHz (8 Cores) Motherboard,,ASUS Crosshair V Formula,ASUS Crosshair V Formula,ASUS Crosshair V Formula,ASUS Crosshair V Formula,ASUS Crosshair V Formula Chipset,,AMD nee ATI RD890,AMD nee ATI RD890,AMD nee ATI RD890,AMD nee ATI RD890,AMD nee ATI RD890 Memory,,16384MB,16384MB,16384MB,16384MB,16384MB Disk,,240GB OCZ VERTEX3,240GB OCZ VERTEX3,240GB OCZ VERTEX3,240GB OCZ VERTEX3,240GB OCZ VERTEX3 Graphics,,AMD Radeon HD 6570 512MB,AMD Radeon HD 6570 512MB,AMD Radeon HD 6570 512MB,AMD Radeon HD 6570 512MB,AMD Radeon HD 6570 512MB Audio,,Realtek ALC889,Realtek ALC889,Realtek ALC889,Realtek ALC889,Realtek ALC889 Monitor,,DELL P2210H,DELL P2210H,DELL P2210H,DELL P2210H,DELL P2210H Network,,Intel 82583V Gigabit Connection,Intel 82583V Gigabit Connection,Intel 82583V Gigabit Connection,Intel 82583V Gigabit Connection,Intel 82583V Gigabit Connection OS,,Ubuntu 12.04,Ubuntu 12.04,Ubuntu 12.04,Ubuntu 12.04,Ubuntu 12.04 Kernel,,3.2.0-20-generic (x86_64),3.2.0-20-generic (x86_64),3.2.0-20-generic (x86_64),3.2.0-20-generic (x86_64),3.2.0-20-generic (x86_64) Desktop,,Unity 5.6.0,Unity 5.6.0,Unity 5.6.0,Unity 5.6.0,Unity 5.6.0 Display Server,,X Server 1.11.3,X Server 1.11.3,X Server 1.11.3,X Server 1.11.3,X Server 1.11.3 Display Driver,,radeon 6.14.99,radeon 6.14.99,radeon 6.14.99,radeon 6.14.99,radeon 6.14.99 OpenGL,,2.1 Mesa 8.0.2 Gallium 0.4,2.1 Mesa 8.0.2 Gallium 0.4,2.1 Mesa 8.0.2 Gallium 0.4,2.1 Mesa 8.0.2 Gallium 0.4,2.1 Mesa 8.0.2 Gallium 0.4 Compiler,,GCC 4.7.0,GCC 4.7.0,GCC 4.7.0,GCC 4.7.0,GCC 4.7.0 File-System,,ext4,ext4,ext4,ext4,ext4 Screen Resolution,,1920x1080,1920x1080,1920x1080,1920x1080,1920x1080 ,,"march=k8","march=k8-sse3","march=btver1","march=barcelona","march=bdver1" "Himeno Benchmark - Poisson Pressure Solver (MFLOPS)",HIB,533.49,651.44,661.76,662.40,596.68 "GraphicsMagick - Operation: Blur (Iterations/min)",HIB,99,95,98,107,117 "GraphicsMagick - Operation: Resizing (Iterations/min)",HIB,130,129,130,140,148 "GraphicsMagick - Operation: Sharpen (Iterations/min)",HIB,64,64,65,88,102 "C-Ray - Total Time (sec)",LIB,52.73,52.75,47.30,36.00,26.92