Compiler comparision gcc/open64/llvm-gcc
AMD Phenom II X6 1090T testing with a Gigabyte GA-870A-UD3 and NVIDIA GeForce GTS 450 1024MB on Debian testing via the Phoronix Test Suite.


gcc: 

	Processor: AMD Phenom II X6 1090T @ 3.82GHz (6 Cores), Motherboard: Gigabyte GA-870A-UD3, Chipset: ATI RX780/RX790, Memory: 16384MB, Disk: 2 x 1000GB Western Digital WDC WD1002FAEX-0 + 1000GB Western Digital WDC WD10EACS-00D + 2 x 1000GB Western Digital WDC WD10EACS-14Z + 2 x 25GB OCZ REVODRIVE, Graphics: NVIDIA GeForce GTS 450 1024MB (830/1804MHz), Audio: Creative Labs SB Audigy, Network: Realtek RTL8111/8168B

	OS: Debian testing, Kernel: 3.0.4 (x86_64), Display Server: X Server 1.10.1, Display Driver: NVIDIA 280.13, OpenGL: 4.1.0 NVIDIA 280.13, Compiler: GCC 4.6.1, File-System: reiserfs, Screen Resolution: 3840x1080

gcc +omp: 

	Processor: AMD Phenom II X6 1090T @ 3.82GHz (6 Cores), Motherboard: Gigabyte GA-870A-UD3, Chipset: ATI RX780/RX790, Memory: 16384MB, Disk: 2 x 1000GB Western Digital WDC WD1002FAEX-0 + 1000GB Western Digital WDC WD10EACS-00D + 2 x 1000GB Western Digital WDC WD10EACS-14Z + 2 x 25GB OCZ REVODRIVE, Graphics: NVIDIA GeForce GTS 450 1024MB (830/1804MHz), Audio: Creative Labs SB Audigy, Network: Realtek RTL8111/8168B

	OS: Debian testing, Kernel: 3.0.4 (x86_64), Display Server: X Server 1.10.1, Display Driver: NVIDIA 280.13, OpenGL: 4.1.0 NVIDIA 280.13, Compiler: GCC 4.6.1, File-System: reiserfs, Screen Resolution: 3840x1080

llvm-gcc: 

	Processor: AMD Phenom II X6 1090T @ 3.82GHz (6 Cores), Motherboard: Gigabyte GA-870A-UD3, Chipset: ATI RX780/RX790, Memory: 16384MB, Disk: 2 x 1000GB Western Digital WDC WD1002FAEX-0 + 1000GB Western Digital WDC WD10EACS-00D + 2 x 1000GB Western Digital WDC WD10EACS-14Z + 2 x 25GB OCZ REVODRIVE, Graphics: NVIDIA GeForce GTS 450 1024MB (830/1804MHz), Audio: Creative Labs SB Audigy, Network: Realtek RTL8111/8168B

	OS: Debian testing, Kernel: 3.0.4 (x86_64), Display Server: X Server 1.10.1, Display Driver: NVIDIA 280.13, OpenGL: 4.1.0 NVIDIA 280.13, Compiler: GCC 4.6.1, File-System: reiserfs, Screen Resolution: 3840x1080

llvm-gcc +omp: 

	Processor: AMD Phenom II X6 1090T @ 3.82GHz (6 Cores), Motherboard: Gigabyte GA-870A-UD3, Chipset: ATI RX780/RX790, Memory: 16384MB, Disk: 2 x 1000GB Western Digital WDC WD1002FAEX-0 + 1000GB Western Digital WDC WD10EACS-00D + 2 x 1000GB Western Digital WDC WD10EACS-14Z + 2 x 25GB OCZ REVODRIVE, Graphics: NVIDIA GeForce GTS 450 1024MB (830/1804MHz), Audio: Creative Labs SB Audigy, Network: Realtek RTL8111/8168B

	OS: Debian testing, Kernel: 3.0.4 (x86_64), Display Server: X Server 1.10.1, Display Driver: NVIDIA 280.13, OpenGL: 4.1.0 NVIDIA 280.13, Compiler: GCC 4.6.1, File-System: reiserfs, Screen Resolution: 3840x1080

open64: 

	Processor: AMD Phenom II X6 1090T @ 3.82GHz (6 Cores), Motherboard: Gigabyte GA-870A-UD3, Chipset: ATI RX780/RX790, Memory: 16384MB, Disk: 2 x 1000GB Western Digital WDC WD1002FAEX-0 + 1000GB Western Digital WDC WD10EACS-00D + 2 x 1000GB Western Digital WDC WD10EACS-14Z + 2 x 25GB OCZ REVODRIVE, Graphics: NVIDIA GeForce GTS 450 1024MB (830/1804MHz), Audio: Creative Labs SB Audigy, Network: Realtek RTL8111/8168B

	OS: Debian testing, Kernel: 3.0.4 (x86_64), Display Server: X Server 1.10.1, Display Driver: NVIDIA 280.13, OpenGL: 4.1.0 NVIDIA 280.13, Compiler: GCC 4.6.1, File-System: reiserfs, Screen Resolution: 3840x1080

open64 +omp: 

	Processor: AMD Phenom II X6 1090T @ 3.82GHz (6 Cores), Motherboard: Gigabyte GA-870A-UD3, Chipset: ATI RX780/RX790, Memory: 16384MB, Disk: 2 x 1000GB Western Digital WDC WD1002FAEX-0 + 1000GB Western Digital WDC WD10EACS-00D + 2 x 1000GB Western Digital WDC WD10EACS-14Z + 2 x 25GB OCZ REVODRIVE, Graphics: NVIDIA GeForce GTS 450 1024MB (830/1804MHz), Audio: Creative Labs SB Audigy, Network: Realtek RTL8111/8168B

	OS: Debian testing, Kernel: 3.0.4 (x86_64), Display Server: X Server 1.10.1, Display Driver: NVIDIA 280.13, OpenGL: 4.1.0 NVIDIA 280.13, Compiler: GCC 4.6.1, File-System: reiserfs, Screen Resolution: 3840x1080


Stream 2009-04-11
Type: Copy
MB/s > Higher Is Better
gcc ........... 11345.56 |====================================
gcc +omp ...... 11429.40 |====================================
llvm-gcc ...... 12137.53 |======================================
llvm-gcc +omp . 15191.98 |================================================
open64 ........ 16730.05 |=====================================================
open64 +omp ... 16728.64 |=====================================================


Stream 2009-04-11
Type: Scale
MB/s > Higher Is Better
gcc ........... 10952.14 |===================================
gcc +omp ...... 11020.20 |===================================
llvm-gcc ...... 8020.70  |=========================
llvm-gcc +omp . 12020.69 |======================================
open64 ........ 16729.82 |=====================================================
open64 +omp ... 16696.55 |=====================================================


Stream 2009-04-11
Type: Add
MB/s > Higher Is Better
gcc ........... 11876.88 |======================================
gcc +omp ...... 11979.38 |======================================
llvm-gcc ...... 8910.58  |============================
llvm-gcc +omp . 11865.02 |======================================
open64 ........ 16599.99 |=====================================================
open64 +omp ... 16583.25 |=====================================================


Stream 2009-04-11
Type: Triad
MB/s > Higher Is Better
gcc ........... 12174.07 |=======================================
gcc +omp ...... 12218.96 |=======================================
llvm-gcc ...... 8637.00  |===========================
llvm-gcc +omp . 12176.50 |=======================================
open64 ........ 16648.09 |=====================================================
open64 +omp ... 16644.63 |=====================================================


John The Ripper 1.7.8
Test: Traditional DES
Real C/S > Higher Is Better
gcc ........... 2783000 |=============================================
gcc +omp ...... 2800000 |=============================================
llvm-gcc ...... 2990333 |=================================================
llvm-gcc +omp . 2994667 |=================================================
open64 ........ 3328333 |======================================================
open64 +omp ... 3326000 |======================================================


John The Ripper 1.7.8
Test: MD5
Real C/S > Higher Is Better
gcc ........... 17218 |========================================================
gcc +omp ...... 17223 |========================================================
llvm-gcc ...... 16463 |======================================================
llvm-gcc +omp . 16462 |======================================================
open64 ........ 10018 |=================================
open64 +omp ... 10024 |=================================


John The Ripper 1.7.8
Test: Blowfish
Real C/S > Higher Is Better
gcc ........... 1133 |==========
gcc +omp ...... 6322 |=========================================================
llvm-gcc ...... 1025 |=========
llvm-gcc +omp . 5945 |======================================================
open64 ........ 945  |=========
open64 +omp ... 5353 |================================================