GCC 4.7.0 compiler tuning with Intel Ivy Bridge looking at the performance of various compiler flags. Testing for a future article on Phoronix.com. Tested options were march=nocona, march=core2, march=corei7, march=corei7-avx, and march=core-avx-i. The -O3 was also set for the CFLAG/CXXFLAGS for all runs.
Compare your own system(s) to this result file with the
Phoronix Test Suite by running the command:
phoronix-test-suite benchmark 1206055-SU-INTELCORE01
Intel Core i7 Ivy Bridge GCC Compiler Tuning
GCC 4.7.0 compiler tuning with Intel Ivy Bridge looking at the performance of various compiler flags. Testing for a future article on Phoronix.com. Tested options were march=nocona, march=core2, march=corei7, march=corei7-avx, and march=core-avx-i. The -O3 was also set for the CFLAG/CXXFLAGS for all runs.
,,"march=nocona","march=core2","march=corei7","march=corei7-avx","march=core-avx-i"
Processor,,Intel Core i7-3770K @ 3.50GHz (8 Cores),Intel Core i7-3770K @ 3.50GHz (8 Cores),Intel Core i7-3770K @ 3.50GHz (8 Cores),Intel Core i7-3770K @ 3.50GHz (8 Cores),Intel Core i7-3770K @ 3.50GHz (8 Cores)
Motherboard,,ECS Z77H2-A2X v1.0,ECS Z77H2-A2X v1.0,ECS Z77H2-A2X v1.0,ECS Z77H2-A2X v1.0,ECS Z77H2-A2X v1.0
Chipset,,Intel Ivy Bridge DRAM,Intel Ivy Bridge DRAM,Intel Ivy Bridge DRAM,Intel Ivy Bridge DRAM,Intel Ivy Bridge DRAM
Memory,,15360MB,15360MB,15360MB,15360MB,15360MB
Disk,,240GB OCZ VERTEX3,240GB OCZ VERTEX3,240GB OCZ VERTEX3,240GB OCZ VERTEX3,240GB OCZ VERTEX3
Graphics,,Intel Ivy Bridge,Intel Ivy Bridge,Intel Ivy Bridge,Intel Ivy Bridge,Intel Ivy Bridge
Audio,,Realtek ALC892,Realtek ALC892,Realtek ALC892,Realtek ALC892,Realtek ALC892
Monitor,,DELL P2210H,DELL P2210H,DELL P2210H,DELL P2210H,DELL P2210H
Network,,Realtek RTL8111/8168B,Realtek RTL8111/8168B,Realtek RTL8111/8168B,Realtek RTL8111/8168B,Realtek RTL8111/8168B
OS,,Ubuntu 12.04,Ubuntu 12.04,Ubuntu 12.04,Ubuntu 12.04,Ubuntu 12.04
Kernel,,3.4.0-999-generic (x86_64),3.4.0-999-generic (x86_64),3.4.0-999-generic (x86_64),3.4.0-999-generic (x86_64),3.4.0-999-generic (x86_64)
Desktop,,Unity 5.10.0,Unity 5.10.0,Unity 5.10.0,Unity 5.10.0,Unity 5.10.0
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,,intel 2.18.0,intel 2.18.0,intel 2.18.0,intel 2.18.0,intel 2.18.0
OpenGL,,2.1 Mesa 8.1-devel (git-137c5ec),2.1 Mesa 8.1-devel (git-137c5ec),2.1 Mesa 8.1-devel (git-137c5ec),2.1 Mesa 8.1-devel (git-137c5ec),2.1 Mesa 8.1-devel (git-137c5ec)
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=nocona","march=core2","march=corei7","march=corei7-avx","march=core-avx-i"
"Apache Benchmark - Static Web Page Serving (Reqs/sec)",HIB,33671.40,33993.62,34158.30,34163.64,33480.13
"PostgreSQL pgbench - TPC-B Transactions Per Second (TPS)",HIB,3066.14,3063.39,3060.46,3038.40,3028.57
"Open FMM Nero2D - Total Time (sec)",LIB,414.67,410.68,408.94,409.41,408.70
"LAME MP3 Encoding - WAV To MP3 (sec)",LIB,13.16,13.50,13.35,13.22,13.25
"dcraw - RAW To PPM Image Conversion (sec)",LIB,16.09,15.90,15.81,16.15,16.18
"LZMA Compression - 256MB File Compression (sec)",LIB,132.49,132.60,132.47,132.66,132.32
"Smallpt - Global Illumination Renderer; 100 Samples (sec)",LIB,25,25,25,24,25
"C-Ray - Total Time (sec)",LIB,80.37,101.14,90.94,86.31,89.82
"Timed PHP Compilation - Time To Compile (sec)",LIB,24.91,26.55,26.64,27.09,27.05
"Himeno Benchmark - Poisson Pressure Solver (MFLOPS)",HIB,1620.37,1646.22,1636.54,1655.26,1646.10
"GraphicsMagick - Operation: Local Adaptive Thresholding (Iterations/min)",HIB,84,83,83,84,84
"GraphicsMagick - Operation: HWB Color Space (Iterations/min)",HIB,204,202,202,204,204
"GraphicsMagick - Operation: Resizing (Iterations/min)",HIB,166,165,165,173,173
"GraphicsMagick - Operation: Sharpen (Iterations/min)",HIB,84,84,83,96,96
"GraphicsMagick - Operation: Blur (Iterations/min)",HIB,136,135,134,144,144
"TTSIOD 3D Renderer - Phong Rendering With Soft-Shadow Mapping (FPS)",HIB,132.95,133.03,132.44,136.93,137.13
"BYTE Unix Benchmark - Computational Test: Dhrystone 2 (LPS)",HIB,27036432.83,26589940.70,26626074.10,26633781.23,26620703.27
"Timed HMMer Search - Pfam Database Search (sec)",LIB,10.15,10.12,10.18,10.14,10.07