GCC LLVM Compilers Intel Core 2 Duo
GCC 4.7.3, LLVM Clang 3.2, and LLVM Clang 3.3 x86_64 Linux benchmarks on Ubuntu 13.04. Benchmarks by Michael Larabel of Phoronix.com for a future article.


GCC 4.7.3: 

	Processor: Intel Core 2 T5600 @ 1.83GHz (2 Cores), Motherboard: Apple Mac-F4208EAA, Chipset: Intel Mobile 945GM/PM/GMS + ICH7-M, Memory: 1024MB, Disk: 80GB Hitachi HTS54258, Graphics: Intel Mobile 945GM/GMS 943/940GML IGP, Audio: SigmaTel STAC9221 A1, Monitor: VA2431, Network: Marvell 88E8053 PCI-E Gigabit

	OS: Ubuntu 13.04, Kernel: 3.8.0-18-generic (x86_64), Desktop: Unity 7.0.0, Display Server: X Server 1.13.3, Display Driver: intel 2.21.6, OpenGL: 1.4 Mesa 9.2.0 (git-9fb5b2f), Compiler: GCC 4.7 + LLVM 3.2, File-System: ext4, Screen Resolution: 1920x1080

LLVM Clang 3.2: 

	Processor: Intel Core 2 T5600 @ 1.83GHz (2 Cores), Motherboard: Apple Mac-F4208EAA, Chipset: Intel Mobile 945GM/PM/GMS + ICH7-M, Memory: 1024MB, Disk: 80GB Hitachi HTS54258, Graphics: Intel Mobile 945GM/GMS 943/940GML IGP, Audio: SigmaTel STAC9221 A1, Monitor: VA2431, Network: Marvell 88E8053 PCI-E Gigabit

	OS: Ubuntu 13.04, Kernel: 3.8.0-18-generic (x86_64), Desktop: Unity 7.0.0, Display Server: X Server 1.13.3, Display Driver: intel 2.21.6, OpenGL: 1.4 Mesa 9.2.0 (git-9fb5b2f), Compiler: Clang 3.2-1~exp9ubuntu1 + LLVM 3.2, File-System: ext4, Screen Resolution: 1920x1080

LLVM Clang 3.3 SVN: 

	Processor: Intel Core 2 T5600 @ 1.83GHz (2 Cores), Motherboard: Apple Mac-F4208EAA, Chipset: Intel Mobile 945GM/PM/GMS + ICH7-M, Memory: 1024MB, Disk: 80GB Hitachi HTS54258, Graphics: Intel Mobile 945GM/GMS 943/940GML IGP, Audio: SigmaTel STAC9221 A1, Monitor: VA2431, Network: Marvell 88E8053 PCI-E Gigabit

	OS: Ubuntu 13.04, Kernel: 3.8.0-18-generic (x86_64), Desktop: Unity 7.0.0, Display Server: X Server 1.13.3, Display Driver: intel 2.21.6, OpenGL: 1.4 Mesa 9.2.0 (git-9fb5b2f), Compiler: Clang 3.3 (SVN 180035) + LLVM 3.3svn, File-System: ext4, Screen Resolution: 1920x1080


Timed HMMer Search 2.3.2
Pfam Database Search
Seconds < Lower Is Better
GCC 4.7.3 .......... 66.08 |==========================================
LLVM Clang 3.2 ..... 80.87 |===================================================
LLVM Clang 3.3 SVN . 79.50 |==================================================


Timed MAFFT Alignment 6.864
Multiple Sequence Alignment
Seconds < Lower Is Better
GCC 4.7.3 .......... 34.24 |==================================================
LLVM Clang 3.2 ..... 35.15 |===================================================
LLVM Clang 3.3 SVN . 35.22 |===================================================


GMPbench 0.2
Total Time
GMPbench Score > Higher Is Better
GCC 4.7.3 . 1118.30 |==========================================================


GraphicsMagick 1.3.16
Operation: Blur
Iterations Per Minute > Higher Is Better
GCC 4.7.3 .......... 30 |================================================
LLVM Clang 3.2 ..... 34 |======================================================
LLVM Clang 3.3 SVN . 34 |======================================================


GraphicsMagick 1.3.16
Operation: Sharpen
Iterations Per Minute > Higher Is Better
GCC 4.7.3 .......... 16 |=======================================
LLVM Clang 3.2 ..... 22 |======================================================
LLVM Clang 3.3 SVN . 22 |======================================================


GraphicsMagick 1.3.16
Operation: Resizing
Iterations Per Minute > Higher Is Better
GCC 4.7.3 .......... 41 |======================================================
LLVM Clang 3.2 ..... 40 |=====================================================
LLVM Clang 3.3 SVN . 40 |=====================================================


GraphicsMagick 1.3.16
Operation: HWB Color Space
Iterations Per Minute > Higher Is Better
GCC 4.7.3 .......... 55 |======================================================
LLVM Clang 3.2 ..... 42 |=========================================
LLVM Clang 3.3 SVN . 42 |=========================================


GraphicsMagick 1.3.16
Operation: Local Adaptive Thresholding
Iterations Per Minute > Higher Is Better
GCC 4.7.3 .......... 28 |======================================================
LLVM Clang 3.2 ..... 18 |===================================
LLVM Clang 3.3 SVN . 18 |===================================


Himeno Benchmark 3.0
Poisson Pressure Solver
MFLOPS > Higher Is Better
GCC 4.7.3 .......... 672.19 |==================================================
LLVM Clang 3.2 ..... 636.89 |===============================================
LLVM Clang 3.3 SVN . 624.09 |==============================================


Timed PHP Compilation 5.2.9
Time To Compile
Seconds < Lower Is Better
GCC 4.7.3 .......... 151.53 |==================================================
LLVM Clang 3.2 ..... 99.76  |=================================
LLVM Clang 3.3 SVN . 98.55  |=================================


C-Ray 1.1
Total Time
Seconds < Lower Is Better
GCC 4.7.3 .......... 169.96 |================================================
LLVM Clang 3.2 ..... 177.33 |==================================================
LLVM Clang 3.3 SVN . 178.17 |==================================================


Primesieve 4.2
1e12 Prime Number Generation
Seconds < Lower Is Better
GCC 4.7.3 .......... 466.51 |=========================
LLVM Clang 3.2 ..... 937.36 |==================================================
LLVM Clang 3.3 SVN . 938.54 |==================================================


Apache Benchmark 2.4.3
Static Web Page Serving
Requests Per Second > Higher Is Better
GCC 4.7.3 .......... 5814.74 |================================================
LLVM Clang 3.2 ..... 5928.59 |=================================================
LLVM Clang 3.3 SVN . 5943.17 |=================================================