LLVM Clang 3.2 vs. GCC 4.8 - Intel Ivy Bridge

Intel Core i7-3517UE Ivy Bridge quick comparison of LLVM 3.2 SVN and GCC 4.8 SVN as of 17 August 2012 for a quick future article on phoronix.com by Michael Larabel looking at the GCC vs. LLVM/Clang compiler performance on this latest Intel hardware.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1208179-SU-LLVMCLANG08
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LLVM 3.2 SVN 2012-08-17
August 17 2012
 
GCC 4.8.0 2012-08-17
August 17 2012
 
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LLVM Clang 3.2 vs. GCC 4.8 - Intel Ivy Bridge Intel Core i7-3517UE Ivy Bridge quick comparison of LLVM 3.2 SVN and GCC 4.8 SVN as of 17 August 2012 for a quick future article on phoronix.com by Michael Larabel looking at the GCC vs. LLVM/Clang compiler performance on this latest Intel hardware. ,,"LLVM 3.2 SVN 2012-08-17","GCC 4.8.0 2012-08-17" Processor,,Intel Core i7-3517UE @ 2.10GHz (4 Cores),Intel Core i7-3517UE @ 2.10GHz (4 Cores) Motherboard,,CompuLab Intense-PC,CompuLab Intense-PC Chipset,,Intel 3rd Gen Core DRAM,Intel 3rd Gen Core DRAM Memory,,8192MB,8192MB Disk,,500GB Hitachi HCC54755,500GB Hitachi HCC54755 Graphics,,Intel 3rd Gen Core,Intel 3rd Gen Core Audio,,Realtek ALC888,Realtek ALC888 Monitor,,VA2431,VA2431 Network,,Intel 82579LM Gigabit Connection + Realtek RTL8188CE 802.11b/g/n,Intel 82579LM Gigabit Connection + Realtek RTL8188CE 802.11b/g/n OS,,Ubuntu 12.10,Ubuntu 12.10 Kernel,,3.6.0-999-generic (x86_64),3.6.0-999-generic (x86_64) Desktop,,Unity 2D 6.2.0,Unity 2D 6.2.0 Display Server,,X Server 1.12.1.902 (1.12.2 RC 2),X Server 1.12.1.902 (1.12.2 RC 2) Display Driver,,intel 2.20.3,intel 2.20.3 OpenGL,,2.1 Mesa 8.1-devel (git-6a3ac03),2.1 Mesa 8.1-devel (git-6a3ac03) Compiler,,Clang 3.2 (SVN 162102) + LLVM 3.2svn,GCC 4.8.0 20120817 File-System,,ext4,ext4 Screen Resolution,,1920x1080,1920x1080 ,,"LLVM 3.2 SVN 2012-08-17","GCC 4.8.0 2012-08-17" "FFTE - Test: N=64, 1D Complex FFT Routine (MFLOPS)",HIB,4174.48,4144.41 "Timed HMMer Search - Pfam Database Search (sec)",LIB,32.57,26.31 "Timed MAFFT Alignment - Multiple Sequence Alignment (sec)",LIB,15.58,13.60 "Timed MrBayes Analysis - Primate Phylogeny Analysis (sec)",LIB,32.40,26.48 "John The Ripper - Test: Blowfish (Real C/S)",HIB,721,2102 "VP8 libvpx Encoding - vpxenc (FPS)",HIB,13.94,14.79 "Himeno Benchmark - Poisson Pressure Solver (MFLOPS)",HIB,1170.53,1210.23 "7-Zip Compression - Compress Speed Test (MIPS)",HIB,8261,7958 "C-Ray - Total Time (sec)",LIB,92.01,91.87 "Smallpt - Global Illumination Renderer; 100 Samples (sec)",LIB,205,70 "Crafty - Elapsed Time (sec)",LIB,99.85,103.38 "LAME MP3 Encoding - WAV To MP3 (sec)",LIB,20.64,18.86 "FFmpeg - AVI To NTSC VCD (sec)",LIB,13.55, "Minion - Benchmark: Bibd (sec)",LIB,160.66,153.65 "Minion - Benchmark: Graceful (sec)",LIB,91.00,94.20 "Minion - Benchmark: Solitaire (sec)",LIB,154.67,143.26 "Minion - Benchmark: Quasigroup (sec)",LIB,209.94,204.23 "OpenSSL - RSA 4096-bit Performance (Signs/sec)",HIB,70.90,71.70 "NGINX Benchmark - Static Web Page Serving (Reqs/sec)",HIB,23429.56,22927.29 "Apache Benchmark - Static Web Page Serving (Reqs/sec)",HIB,16978.74,16801.78