LLVM Clang 3.1 GCC 4.7 Intel Core i7 Benchmarks Benchmarking of GCC 4.6.3, GCC 4.7.0, LLVM Clang 3.0, and LLVM Clang 3.1 SVN compilers for a future article on Phoronix.com. Compilers built all test binaries with CFLAGS/CXXFLAGS of -O3 -march=native from this Intel Core i7 Clarksfield notebook. Ubuntu 12.04 LTS x86_64 was used with the Linux 3.2 kernel.
HTML result view exported from: https://openbenchmarking.org/result/1208156-BY-1204215SU21&grs&rdt .
LLVM Clang 3.1 GCC 4.7 Intel Core i7 Benchmarks Processor Motherboard Chipset Memory Disk Graphics Audio Network Monitor OS Kernel Desktop Display Server Display Driver OpenGL Compiler File-System Screen Resolution GCC 4.6.3 GCC 4.7.0 LLVM-Clang 3.0 LLVM-Clang 3.1 SVN Open64 5.0 trumpetR0CKS091 Intel Core i7 720Q @ 1.60GHz (8 Cores) LENOVO 4318CTO Intel Core DMI 4096MB 160GB INTEL SSDSA2M160 NVIDIA Quadro FX 880M 1024MB (405/324MHz) Conexant CX20585 Intel 82577LM Gigabit Connection + Intel Centrino Ultimate-N 6300 Ubuntu 12.04 3.4.0-999-generic (x86_64) Unity 5.10.0 X Server 1.11.3 nouveau 0.0.16 2.1 Mesa 8.0.2 Gallium 0.4 GCC 4.6.3 ext4 1600x900 GCC 4.7.0 Clang 3.0 + LLVM 3.0 Clang 3.1 (SVN 155295) + LLVM 3.1svn Open64 5.0 Intel Xeon E3-1230 V2 @ 3.70GHz (8 Cores) Gigabyte H77M-D3H Intel Ivy DRAM 8192MB 1500GB Seagate ST31500541AS + 64GB M4-CT064M4SSD2 + 500GB Western Digital WD5000BPVT-0 ATI Radeon HD 6800 1024MB (775/1000MHz) VIA VT2020 Acer G215HV Atheros AR8151 v2.0 Gigabit Fedora 17 3.5.1-1.fc17.x86_64 (x86_64) KDE 4.8.4 X Server 1.12.2 radeon 6.14.99 2.1 Mesa 8.0.3 Gallium 0.4 GCC 4.7.0 20120507 + Clang 3.0 + LLVM 3.0 1920x1080 OpenBenchmarking.org Compiler Details - GCC 4.6.3: --enable-checking=release --enable-languages=c,c++ --enable-lto - GCC 4.7.0: --enable-checking=release --enable-languages=c,c++ --enable-lto - LLVM-Clang 3.0: Optimized build; Built Apr 21 2012 (12:40:14); Host: x86_64-unknown-linux-gnu; Host CPU: corei7 - LLVM-Clang 3.1 SVN: Optimized build; Built Apr 21 2012 (14:54:30); Default target: x86_64-unknown-linux-gnu; Host CPU: corei7 - trumpetR0CKS091: --build=x86_64-redhat-linux --disable-build-poststage1-with-cxx --disable-build-with-cxx --disable-dssi --disable-libjava-multilib --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-checking=release --enable-gnu-unique-object --enable-initfini-array --enable-java-awt=gtk --enable-java-maintainer-mode --enable-languages=c,c++,objc,obj-c++,java,fortran,ada,go,lto --enable-libgcj-multifile --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=i686 --with-cloog --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre --with-linker-hash-style=gnu --with-ppl --with-tune=generic Processor Details - GCC 4.6.3, GCC 4.7.0, LLVM-Clang 3.0, LLVM-Clang 3.1 SVN, Open64 5.0: Scaling Governor: ondemand System Details - GCC 4.6.3: Compiz was running on this system. - GCC 4.7.0: Compiz was running on this system. - LLVM-Clang 3.0: Compiz was running on this system. - LLVM-Clang 3.1 SVN: Compiz was running on this system. - Open64 5.0: Compiz was running on this system. - trumpetR0CKS091: SELinux: Enabled.
LLVM Clang 3.1 GCC 4.7 Intel Core i7 Benchmarks john-the-ripper: Blowfish smallpt: Global Illumination Renderer; 100 Samples hmmer: Pfam Database Search mrbayes: Primate Phylogeny Analysis vpxenc: vpxenc mafft: Multiple Sequence Alignment compress-pbzip2: 256MB File Compression compress-7zip: Compress Speed Test x264: H.264 Video Encoding openssl: RSA 4096-bit Performance build-php: Time To Compile minion: Solitaire ttsiod-renderer: Phong Rendering With Soft-Shadow Mapping gmpbench: Total Time encode-flac: WAV To FLAC minion: Bibd minion: Quasigroup ffte: N=64, 1D Complex FFT Routine encode-mp3: WAV To MP3 minion: Graceful fhourstones: Complex Connect-4 Solving himeno: Poisson Pressure Solver ffmpeg: AVI To NTSC VCD crafty: Elapsed Time nero2d: Total Time byte: Dhrystone 2 nginx: Static Web Page Serving apache: Static Web Page Serving tachyon: Total Time pgbench: TPC-B Transactions Per Second c-ray: Total Time GCC 4.6.3 GCC 4.7.0 LLVM-Clang 3.0 LLVM-Clang 3.1 SVN Open64 5.0 trumpetR0CKS091 2215 69 26.52 37.07 9.93 13.73 19.34 8849 58.46 42.23 50.42 203.00 63.32 1739 9.97 206.67 255.83 3276.19 23.58 111.35 8643.40 1060.59 15.87 109.88 640.17 18737961.27 15482.08 14290.99 36.05 2375.18 139.01 2211 68 26.63 32.38 9.76 13.60 22.30 8890 58.26 42.08 54.74 211.57 59.50 1751.20 9.32 217.34 253.16 3156.92 23.10 122.41 8631.43 1142.97 15.73 108.29 638.60 18075520.17 14956.30 14322.05 37.21 2405.91 91.18 234 33.02 16.14 9108 224.90 223.86 277.69 3270.19 110.30 1002.87 15559.96 14867.10 118.20 662 251 32.63 40.09 9.07 14.73 23.21 9166 42.08 47.49 217.96 10.85 219.58 262.50 3197.68 23.81 110.04 8551.90 1053.29 16.09 107.85 15767.21 14834.66 36.17 2426.91 109.11 3267.81 5701 93 10.86 13.99 25.49 5.82 8.70 22322 143.72 95.15 26.57 109.19 119.00 3374.30 5.63 124.40 154.55 5496.71 13.80 72.61 13813.13 1574.90 10.25 74.90 438.84 25118068.50 16689.40 14503.85 35.49 OpenBenchmarking.org
John The Ripper Test: Blowfish OpenBenchmarking.org Real C/S, More Is Better John The Ripper 1.7.9 Test: Blowfish GCC 4.6.3 GCC 4.7.0 LLVM-Clang 3.1 SVN trumpetR0CKS091 1200 2400 3600 4800 6000 SE +/- 1.67, N = 3 SE +/- 1.67, N = 3 SE +/- 1.53, N = 3 SE +/- 14.52, N = 3 2215 2211 662 5701 1. (CC) gcc options: -fopenmp -lcrypt
Smallpt Global Illumination Renderer; 100 Samples OpenBenchmarking.org Seconds, Fewer Is Better Smallpt 1.0 Global Illumination Renderer; 100 Samples GCC 4.6.3 GCC 4.7.0 LLVM-Clang 3.0 LLVM-Clang 3.1 SVN trumpetR0CKS091 50 100 150 200 250 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.33, N = 3 SE +/- 0.67, N = 3 SE +/- 0.00, N = 3 69 68 234 251 93 -O3 -march=native -O3 -march=native -O3 -march=native -O3 -march=native 1. (CXX) g++ options: -fopenmp
Timed HMMer Search Pfam Database Search OpenBenchmarking.org Seconds, Fewer Is Better Timed HMMer Search 2.3.2 Pfam Database Search GCC 4.6.3 GCC 4.7.0 LLVM-Clang 3.0 LLVM-Clang 3.1 SVN trumpetR0CKS091 8 16 24 32 40 SE +/- 0.03, N = 3 SE +/- 0.01, N = 3 SE +/- 0.04, N = 3 SE +/- 0.06, N = 3 SE +/- 0.10, N = 3 26.52 26.63 33.02 32.63 10.86 -O3 -march=native -O3 -march=native -O3 -march=native -O3 -march=native -O2 1. (CC) gcc options: -pthread -lhmmer -lsquid -lm
Timed MrBayes Analysis Primate Phylogeny Analysis OpenBenchmarking.org Seconds, Fewer Is Better Timed MrBayes Analysis 3.1.2 Primate Phylogeny Analysis GCC 4.6.3 GCC 4.7.0 LLVM-Clang 3.1 SVN trumpetR0CKS091 9 18 27 36 45 SE +/- 0.03, N = 3 SE +/- 0.09, N = 3 SE +/- 0.25, N = 3 SE +/- 0.27, N = 3 37.07 32.38 40.09 13.99
VP8 libvpx Encoding vpxenc OpenBenchmarking.org Frames Per Second, More Is Better VP8 libvpx Encoding 0.9.7-p1 vpxenc GCC 4.6.3 GCC 4.7.0 LLVM-Clang 3.1 SVN trumpetR0CKS091 6 12 18 24 30 SE +/- 0.09, N = 3 SE +/- 0.07, N = 3 SE +/- 0.06, N = 3 SE +/- 0.20, N = 3 9.93 9.76 9.07 25.49 1. (CC) gcc options: -m64 -lvpx -lm -lpthread
Timed MAFFT Alignment Multiple Sequence Alignment OpenBenchmarking.org Seconds, Fewer Is Better Timed MAFFT Alignment 6.864 Multiple Sequence Alignment GCC 4.6.3 GCC 4.7.0 LLVM-Clang 3.0 LLVM-Clang 3.1 SVN trumpetR0CKS091 4 8 12 16 20 SE +/- 0.18, N = 6 SE +/- 0.04, N = 3 SE +/- 0.28, N = 4 SE +/- 0.07, N = 3 SE +/- 0.11, N = 3 13.73 13.60 16.14 14.73 5.82 1. (CC) gcc options: -O3 -lm -lpthread
Parallel BZIP2 Compression 256MB File Compression OpenBenchmarking.org Seconds, Fewer Is Better Parallel BZIP2 Compression 1.0.5 256MB File Compression GCC 4.6.3 GCC 4.7.0 LLVM-Clang 3.1 SVN trumpetR0CKS091 6 12 18 24 30 SE +/- 0.05, N = 3 SE +/- 0.03, N = 3 SE +/- 0.03, N = 3 SE +/- 0.04, N = 3 19.34 22.30 23.21 8.70 1. (CXX) g++ options: -O2 -pthread -lpthread -lbz2
7-Zip Compression Compress Speed Test OpenBenchmarking.org MIPS, More Is Better 7-Zip Compression 9.20.1 Compress Speed Test GCC 4.6.3 GCC 4.7.0 LLVM-Clang 3.0 LLVM-Clang 3.1 SVN trumpetR0CKS091 5K 10K 15K 20K 25K SE +/- 65.12, N = 3 SE +/- 42.67, N = 3 SE +/- 11.50, N = 3 SE +/- 7.55, N = 3 SE +/- 260.73, N = 3 8849 8890 9108 9166 22322 1. (CXX) g++ options: -pipe -lpthread
x264 H.264 Video Encoding OpenBenchmarking.org Frames Per Second, More Is Better x264 2011-12-06 H.264 Video Encoding GCC 4.6.3 GCC 4.7.0 trumpetR0CKS091 30 60 90 120 150 SE +/- 0.05, N = 3 SE +/- 0.12, N = 3 SE +/- 1.45, N = 3 58.46 58.26 143.72
OpenSSL RSA 4096-bit Performance OpenBenchmarking.org Signs Per Second, More Is Better OpenSSL 1.0.0e RSA 4096-bit Performance GCC 4.6.3 GCC 4.7.0 LLVM-Clang 3.1 SVN trumpetR0CKS091 20 40 60 80 100 SE +/- 0.10, N = 4 SE +/- 0.03, N = 4 SE +/- 0.05, N = 4 SE +/- 0.17, N = 4 42.23 42.08 42.08 95.15 1. (CC) gcc options: -m64 -O3 -lssl -lcrypto -ldl
Timed PHP Compilation Time To Compile OpenBenchmarking.org Seconds, Fewer Is Better Timed PHP Compilation 5.2.9 Time To Compile GCC 4.6.3 GCC 4.7.0 LLVM-Clang 3.1 SVN trumpetR0CKS091 12 24 36 48 60 SE +/- 0.07, N = 3 SE +/- 0.05, N = 3 SE +/- 0.06, N = 3 SE +/- 0.03, N = 3 50.42 54.74 47.49 26.57 -O3 -march=native -O3 -march=native -O3 -march=native -lpthread -O2 1. (CC) gcc options: -pedantic -ldl -lz -lm
Minion Benchmark: Solitaire OpenBenchmarking.org Seconds, Fewer Is Better Minion 0.12 Benchmark: Solitaire GCC 4.6.3 GCC 4.7.0 LLVM-Clang 3.0 LLVM-Clang 3.1 SVN trumpetR0CKS091 50 100 150 200 250 SE +/- 0.36, N = 3 SE +/- 0.22, N = 3 SE +/- 0.44, N = 3 SE +/- 0.41, N = 3 SE +/- 1.15, N = 3 203.00 211.57 224.90 217.96 109.19 -mdynamic-no-pic -lz -lbz2 -mdynamic-no-pic -lz -lbz2 -lz -lbz2 1. (CXX) g++ options: -O3 -fomit-frame-pointer -rdynamic -lboost_iostreams-mt
TTSIOD 3D Renderer Phong Rendering With Soft-Shadow Mapping OpenBenchmarking.org FPS, More Is Better TTSIOD 3D Renderer 2.2w Phong Rendering With Soft-Shadow Mapping GCC 4.6.3 GCC 4.7.0 trumpetR0CKS091 30 60 90 120 150 SE +/- 0.04, N = 3 SE +/- 0.12, N = 3 SE +/- 1.30, N = 3 63.32 59.50 119.00 -march=native -march=native -lpthread 1. (CXX) g++ options: -O3 -fomit-frame-pointer -ffast-math -mtune=native -flto -msse -mrecip -mfpmath=sse -msse2 -mssse3 -lSDL -lstdc++
GMPbench Total Time OpenBenchmarking.org GMPbench Score, More Is Better GMPbench 0.2 Total Time GCC 4.6.3 GCC 4.7.0 trumpetR0CKS091 700 1400 2100 2800 3500 1739.00 1751.20 3374.30 -march=native -march=native -fomit-frame-pointer 1. (CC) gcc options: -O3
FLAC Audio Encoding WAV To FLAC OpenBenchmarking.org Seconds, Fewer Is Better FLAC Audio Encoding 1.2.1 WAV To FLAC GCC 4.6.3 GCC 4.7.0 LLVM-Clang 3.1 SVN trumpetR0CKS091 3 6 9 12 15 SE +/- 0.01, N = 5 SE +/- 0.02, N = 5 SE +/- 0.02, N = 5 SE +/- 0.02, N = 5 9.97 9.32 10.85 5.63 -O3 -march=native -O3 -march=native -O3 -march=native -O2 1. (CXX) g++ options: -lm
Minion Benchmark: Bibd OpenBenchmarking.org Seconds, Fewer Is Better Minion 0.12 Benchmark: Bibd GCC 4.6.3 GCC 4.7.0 LLVM-Clang 3.0 LLVM-Clang 3.1 SVN trumpetR0CKS091 50 100 150 200 250 SE +/- 0.63, N = 3 SE +/- 0.27, N = 3 SE +/- 0.43, N = 3 SE +/- 0.37, N = 3 SE +/- 1.42, N = 3 206.67 217.34 223.86 219.58 124.40 -mdynamic-no-pic -lz -lbz2 -mdynamic-no-pic -lz -lbz2 -lz -lbz2 1. (CXX) g++ options: -O3 -fomit-frame-pointer -rdynamic -lboost_iostreams-mt
Minion Benchmark: Quasigroup OpenBenchmarking.org Seconds, Fewer Is Better Minion 0.12 Benchmark: Quasigroup GCC 4.6.3 GCC 4.7.0 LLVM-Clang 3.0 LLVM-Clang 3.1 SVN trumpetR0CKS091 60 120 180 240 300 SE +/- 0.25, N = 3 SE +/- 0.04, N = 3 SE +/- 0.27, N = 3 SE +/- 0.21, N = 3 SE +/- 0.41, N = 3 255.83 253.16 277.69 262.50 154.55 -mdynamic-no-pic -lz -lbz2 -mdynamic-no-pic -lz -lbz2 -lz -lbz2 1. (CXX) g++ options: -O3 -fomit-frame-pointer -rdynamic -lboost_iostreams-mt
FFTE Test: N=64, 1D Complex FFT Routine OpenBenchmarking.org MFLOPS, More Is Better FFTE 5.0 Test: N=64, 1D Complex FFT Routine GCC 4.6.3 GCC 4.7.0 LLVM-Clang 3.0 LLVM-Clang 3.1 SVN Open64 5.0 trumpetR0CKS091 1200 2400 3600 4800 6000 SE +/- 11.98, N = 3 SE +/- 48.14, N = 3 SE +/- 7.30, N = 3 SE +/- 29.94, N = 3 SE +/- 6.76, N = 3 SE +/- 11.03, N = 3 3276.19 3156.92 3270.19 3197.68 3267.81 5496.71 -pthread -lmpi_f90 -lmpi_f77 -lmpi -lopen-rte -lopen-pal -ldl -lnsl -lutil -lm -pthread -lmpi_f90 -lmpi_f77 -lmpi -lopen-rte -lopen-pal -ldl -lnsl -lutil -lm -pthread -lmpi_f90 -lmpi_f77 -lmpi -lopen-rte -lopen-pal -ldl -lnsl -lutil -lm -pthread -lmpi_f90 -lmpi_f77 -lmpi -lopen-rte -lopen-pal -ldl -lnsl -lutil -lm -pthread -lmpi_f90 -lmpi_f77 -lmpi -lopen-rte -lopen-pal -ldl -lnsl -lutil -lm 1. (F9X) gfortran options: -O3 -fomit-frame-pointer -fopenmp
LAME MP3 Encoding WAV To MP3 OpenBenchmarking.org Seconds, Fewer Is Better LAME MP3 Encoding 3.99.3 WAV To MP3 GCC 4.6.3 GCC 4.7.0 LLVM-Clang 3.1 SVN trumpetR0CKS091 6 12 18 24 30 SE +/- 0.04, N = 5 SE +/- 0.02, N = 5 SE +/- 0.04, N = 5 SE +/- 0.02, N = 5 23.58 23.10 23.81 13.80
Minion Benchmark: Graceful OpenBenchmarking.org Seconds, Fewer Is Better Minion 0.12 Benchmark: Graceful GCC 4.6.3 GCC 4.7.0 LLVM-Clang 3.0 LLVM-Clang 3.1 SVN trumpetR0CKS091 30 60 90 120 150 SE +/- 0.27, N = 3 SE +/- 0.33, N = 3 SE +/- 0.08, N = 3 SE +/- 0.31, N = 3 SE +/- 0.73, N = 3 111.35 122.41 110.30 110.04 72.61 -mdynamic-no-pic -lz -lbz2 -mdynamic-no-pic -lz -lbz2 -lz -lbz2 1. (CXX) g++ options: -O3 -fomit-frame-pointer -rdynamic -lboost_iostreams-mt
Fhourstones Complex Connect-4 Solving OpenBenchmarking.org Kpos / sec, More Is Better Fhourstones 3.1 Complex Connect-4 Solving GCC 4.6.3 GCC 4.7.0 LLVM-Clang 3.1 SVN trumpetR0CKS091 3K 6K 9K 12K 15K SE +/- 22.37, N = 3 SE +/- 5.11, N = 3 SE +/- 5.30, N = 3 SE +/- 80.71, N = 3 8643.40 8631.43 8551.90 13813.13 1. (CC) gcc options: -O3
Himeno Benchmark Poisson Pressure Solver OpenBenchmarking.org MFLOPS, More Is Better Himeno Benchmark 3.0 Poisson Pressure Solver GCC 4.6.3 GCC 4.7.0 LLVM-Clang 3.0 LLVM-Clang 3.1 SVN trumpetR0CKS091 300 600 900 1200 1500 SE +/- 16.23, N = 3 SE +/- 2.04, N = 3 SE +/- 5.12, N = 3 SE +/- 9.10, N = 3 SE +/- 0.71, N = 3 1060.59 1142.97 1002.87 1053.29 1574.90 -march=native -march=native -march=native -march=native 1. (CC) gcc options: -O3
FFmpeg AVI To NTSC VCD OpenBenchmarking.org Seconds, Fewer Is Better FFmpeg 0.10 AVI To NTSC VCD GCC 4.6.3 GCC 4.7.0 LLVM-Clang 3.1 SVN trumpetR0CKS091 4 8 12 16 20 SE +/- 0.01, N = 3 SE +/- 0.02, N = 3 SE +/- 0.01, N = 3 SE +/- 0.03, N = 3 15.87 15.73 16.09 10.25 -lpthread 1. (CC) gcc options: -lavdevice -lavfilter -lavformat -lavcodec -lswresample -lswscale -lavutil -ldl -lasound -lSDL -lm -pthread -lbz2
Crafty Elapsed Time OpenBenchmarking.org Seconds, Fewer Is Better Crafty 23.4 Elapsed Time GCC 4.6.3 GCC 4.7.0 LLVM-Clang 3.1 SVN trumpetR0CKS091 20 40 60 80 100 SE +/- 0.11, N = 3 SE +/- 0.05, N = 3 SE +/- 0.06, N = 3 SE +/- 0.13, N = 3 109.88 108.29 107.85 74.90 1. (CC) gcc options: -lstdc++ -lm
Open FMM Nero2D Total Time OpenBenchmarking.org Seconds, Fewer Is Better Open FMM Nero2D 2.0.2 Total Time GCC 4.6.3 GCC 4.7.0 trumpetR0CKS091 140 280 420 560 700 640.17 638.60 438.84 -O3 -march=native -O3 -march=native -O2 -lquadmath 1. (CXX) g++ options: -lfftw3 -llapack -lblas -lgfortran -lm
BYTE Unix Benchmark Computational Test: Dhrystone 2 OpenBenchmarking.org LPS, More Is Better BYTE Unix Benchmark 3.6 Computational Test: Dhrystone 2 GCC 4.6.3 GCC 4.7.0 trumpetR0CKS091 5M 10M 15M 20M 25M SE +/- 36800.75, N = 3 SE +/- 14064.68, N = 3 SE +/- 112665.75, N = 3 18737961.27 18075520.17 25118068.50 -O3 -march=native -O3 -march=native 1. (CC) gcc options:
NGINX Benchmark Static Web Page Serving OpenBenchmarking.org Requests Per Second, More Is Better NGINX Benchmark 1.0.11 Static Web Page Serving GCC 4.6.3 GCC 4.7.0 LLVM-Clang 3.0 LLVM-Clang 3.1 SVN trumpetR0CKS091 4K 8K 12K 16K 20K SE +/- 89.02, N = 3 SE +/- 54.72, N = 3 SE +/- 184.13, N = 3 SE +/- 141.05, N = 3 SE +/- 125.49, N = 3 15482.08 14956.30 15559.96 15767.21 16689.40 1. (CC) gcc options: -lpthread -lcrypt -lcrypto -lz
Apache Benchmark Static Web Page Serving OpenBenchmarking.org Requests Per Second, More Is Better Apache Benchmark 2.2.21 Static Web Page Serving GCC 4.6.3 GCC 4.7.0 LLVM-Clang 3.0 LLVM-Clang 3.1 SVN trumpetR0CKS091 3K 6K 9K 12K 15K SE +/- 14.58, N = 3 SE +/- 59.62, N = 3 SE +/- 62.06, N = 3 SE +/- 131.26, N = 3 SE +/- 83.30, N = 3 14290.99 14322.05 14867.10 14834.66 14503.85 -O3 -march=native -lexpat -O3 -march=native -lexpat -O3 -march=native -lexpat -O3 -march=native -lexpat -O2 1. (CC) gcc options: -pthread -lm -lrt -lcrypt -lpthread -ldl
Tachyon Total Time OpenBenchmarking.org Seconds, Fewer Is Better Tachyon 0.98.9 Total Time GCC 4.6.3 GCC 4.7.0 LLVM-Clang 3.1 SVN 9 18 27 36 45 SE +/- 0.02, N = 3 SE +/- 0.02, N = 3 SE +/- 0.02, N = 3 36.05 37.21 36.17 1. (CC) gcc options: -m32 -O3 -fomit-frame-pointer -ffast-math -ltachyon -lm -lpthread
PostgreSQL pgbench TPC-B Transactions Per Second OpenBenchmarking.org TPS, More Is Better PostgreSQL pgbench 8.4.11 TPC-B Transactions Per Second GCC 4.6.3 GCC 4.7.0 LLVM-Clang 3.1 SVN 500 1000 1500 2000 2500 SE +/- 12.24, N = 3 SE +/- 10.83, N = 3 SE +/- 16.75, N = 3 2375.18 2405.91 2426.91 1. (CC) gcc options: -O3 -march=native -fno-strict-aliasing -fwrapv -lpgport -lpq -lcrypt -ldl -lm
C-Ray Total Time OpenBenchmarking.org Seconds, Fewer Is Better C-Ray 1.1 Total Time GCC 4.6.3 GCC 4.7.0 LLVM-Clang 3.0 LLVM-Clang 3.1 SVN trumpetR0CKS091 30 60 90 120 150 SE +/- 12.48, N = 6 SE +/- 3.00, N = 6 SE +/- 3.60, N = 6 SE +/- 4.36, N = 6 SE +/- 0.03, N = 3 139.01 91.18 118.20 109.11 35.49 -march=native -march=native -march=native -march=native 1. (CC) gcc options: -lm -lpthread -O3
Phoronix Test Suite v10.8.4