LLVM Clang 3.3, Clang 3.2, GCC 4.8 Compilers Benchmarking LLVM Clang 3.2, LLVM Clang 3.3 RC1, and GCC 4.8.0 on various Linux systems. Benchmarking by Michael Larabel for a future article on Phoronix.com.
HTML result view exported from: https://openbenchmarking.org/result/1305170-UT-LLVMCLANG75&sor&grr .
Processor Motherboard Chipset Memory Disk Graphics Audio Monitor Network OS Kernel Desktop Display Server Display Driver OpenGL Compiler File-System Screen Resolution Intel Core i7 3960X AMD FX-8350 Intel Core i3 3217U GCC 4.8.0 Clang 3.2 Clang 3.3-rc1 GCC 4.8.0 Clang 3.2 Clang 3.3-rc1 GCC 4.8.0 Clang 3.2 Clang 3.3-rc1 Intel Core i7-3960X @ 3.30GHz (12 Cores) Intel DX79SI Intel Xeon E5/Core 8192MB 64GB OCZ VERTEX AMD Radeon HD 4650 512MB Realtek ALC892 DELL S2409W Intel 82579LM Gigabit Connection Ubuntu 13.04 3.8.0-19-generic (x86_64) Unity 7.0.0 X Server 1.13.3 radeon 7.1.0 3.0 Mesa 9.1.1 Gallium 0.4 GCC 4.8.0 ext4 1920x1080 Clang 3.2 + LLVM 3.2svn Clang 3.3 + LLVM 3.3svn AMD FX-8350 Eight-Core @ 4.00GHz (8 Cores) ASUS Crosshair V Formula AMD ATI RD890 bridge 60GB OCZ VERTEX2 AMD Radeon HD 4870 512MB Realtek ALC889 VA2431 Intel 82583V Gigabit Connection 3.0 Mesa 9.2.0 (git-a67b18e) Gallium 0.4 GCC 4.8.0 Clang 3.2 + LLVM 3.2svn Clang 3.3 + LLVM 3.3svn Intel Core i3-3217U @ 1.80GHz (4 Cores) ASUS K56CA v1.0 Intel 3rd Gen Core DRAM 4096MB 500GB Hitachi HTS54505 + 24GB SanDisk SSD i100 Intel 3rd Gen Core Realtek ALC270 Realtek RTL8111/8168 + Atheros AR9485 Wireless Ubuntu 13.10 3.10.0-999-generic (x86_64) intel 2.21.6 3.0 Mesa 9.2.0 (git-4f518e1) GCC 4.8.0 1366x768 Clang 3.2 + LLVM 3.2svn Clang 3.3 + LLVM 3.3svn OpenBenchmarking.org Compiler Details - Intel Core i7 3960X: GCC 4.8.0: --disable-multilib --enable-checking=release --enable-languages=c,c++ - Intel Core i7 3960X: Clang 3.2: Optimized build; Built May 12 2013 (18:35:01); Default target: x86_64-unknown-linux-gnu; Host CPU: corei7-avx - Intel Core i7 3960X: Clang 3.3-rc1: Optimized build; Built May 12 2013 (23:22:45); Default target: x86_64-unknown-linux-gnu; Host CPU: corei7-avx - AMD FX-8350: GCC 4.8.0: --disable-multilib --enable-checking=release --enable-languages=c,c++ - AMD FX-8350: Clang 3.2: Optimized build; Built May 14 2013 (10:55:50); Default target: x86_64-unknown-linux-gnu; Host CPU: bdver1 - AMD FX-8350: Clang 3.3-rc1: Optimized build; Built May 14 2013 (11:07:41); Default target: x86_64-unknown-linux-gnu; Host CPU: bdver1 - Intel Core i3 3217U: GCC 4.8.0: --disable-multilib --enable-checking=release --enable-languages=c,c++ - Intel Core i3 3217U: Clang 3.2: Optimized build; Built May 16 2013 (23:24:18); Default target: x86_64-unknown-linux-gnu; Host CPU: core-avx-i - Intel Core i3 3217U: Clang 3.3-rc1: Optimized build; Built May 17 2013 (00:03:18); Default target: x86_64-unknown-linux-gnu; Host CPU: core-avx-i Processor Details - Scaling Governor: ondemand
apache: Static Web Page Serving pgbench: TPC-B Transactions Per Second ffmpeg: H.264 HD To NTSC DV smallpt: Global Illumination Renderer; 100 Samples c-ray: Total Time build-php: Time To Compile build-imagemagick: Time To Compile himeno: Poisson Pressure Solver graphics-magick: Local Adaptive Thresholding graphics-magick: HWB Color Space graphics-magick: Resizing graphics-magick: Sharpen graphics-magick: Blur blake2: Phoronix Test Suite v4.6.0m1 mafft: Multiple Sequence Alignment hmmer: Pfam Database Search Intel Core i7 3960X AMD FX-8350 Intel Core i3 3217U GCC 4.8.0 Clang 3.2 Clang 3.3-rc1 GCC 4.8.0 Clang 3.2 Clang 3.3-rc1 GCC 4.8.0 Clang 3.2 Clang 3.3-rc1 14318.97 18.09 19 18.41 22.59 49.99 1629.42 133 192 175 117 143 5.00 7.19 15.91 14267.94 354.32 18.35 165 21.05 15.58 21.18 1562.31 44 124 89 31 82 5.52 7.42 15.42 14662.33 351.51 18.43 163 20.81 16.80 22.63 1597.62 49 123 89 31 81 5.50 7.54 15.94 19810.73 20.35 33 19.26 31.17 102.92 731.99 99 159 148 112 116 8.99 6.42 11.52 20186.40 2438.64 20.42 248 32.87 19.37 26.94 650.02 38 105 73 23 64 9.63 7.09 12.57 19950.55 2412.86 20.30 248 32.80 20.82 28.65 667.68 37 104 73 22 64 9.80 6.86 11.02 11374.96 34.34 117 116.29 98.29 208.42 779.65 39 81 63 29 54 6.03 20.34 38.39 12063.12 521.66 34.45 341 133.72 57.64 97.07 781.12 21 69 42 15 40 6.48 23.88 48.17 12423.85 542.70 344 132.37 59.27 104.36 758.34 23 68 42 15 40 6.48 21.67 40.11 OpenBenchmarking.org
Apache Benchmark Static Web Page Serving AMD FX-8350 Intel Core i7 3960X Intel Core i3 3217U OpenBenchmarking.org Requests Per Second, More Is Better Apache Benchmark 2.4.3 Static Web Page Serving Clang 3.2 Clang 3.3-rc1 GCC 4.8.0 4K 8K 12K 16K 20K SE +/- 302.76, N = 3 SE +/- 112.88, N = 3 SE +/- 54.62, N = 3 SE +/- 19.13, N = 3 SE +/- 176.48, N = 3 SE +/- 119.56, N = 3 SE +/- 81.41, N = 3 SE +/- 180.33, N = 3 SE +/- 97.71, N = 3 20186.40 19950.55 19810.73 14662.33 14318.97 14267.94 12423.85 12063.12 11374.96 1. (CC) gcc options: -shared -fPIC -pthread -O3 -march=native
PostgreSQL pgbench TPC-B Transactions Per Second AMD FX-8350 Intel Core i3 3217U Intel Core i7 3960X OpenBenchmarking.org TPS, More Is Better PostgreSQL pgbench 8.4.11 TPC-B Transactions Per Second Clang 3.2 Clang 3.3-rc1 500 1000 1500 2000 2500 SE +/- 36.10, N = 4 SE +/- 61.65, N = 6 SE +/- 7.11, N = 3 SE +/- 8.57, N = 4 SE +/- 0.80, N = 3 SE +/- 4.34, N = 3 2438.64 2412.86 542.70 521.66 354.32 351.51 1. (CC) gcc options: -O3 -march=native -fno-strict-aliasing -fwrapv -lpgport -lpq -lcrypt -ldl -lm
FFmpeg H.264 HD To NTSC DV Intel Core i7 3960X AMD FX-8350 Intel Core i3 3217U OpenBenchmarking.org Seconds, Fewer Is Better FFmpeg 1.1 H.264 HD To NTSC DV GCC 4.8.0 Clang 3.2 Clang 3.3-rc1 8 16 24 32 40 SE +/- 0.12, N = 3 SE +/- 0.12, N = 3 SE +/- 0.18, N = 3 SE +/- 0.08, N = 3 SE +/- 0.01, N = 3 SE +/- 0.15, N = 3 SE +/- 0.04, N = 3 SE +/- 0.03, N = 3 18.09 18.35 18.43 20.30 20.35 20.42 34.34 34.45 1. (CC) gcc options: -lavdevice -lavfilter -lavformat -lavcodec -lswresample -lswscale -lavutil -ldl -lasound -lm -pthread -O3 -march=native -std=c99 -fomit-frame-pointer -fno-math-errno -fno-signed-zeros -MMD
Smallpt Global Illumination Renderer; 100 Samples Intel Core i7 3960X AMD FX-8350 Intel Core i3 3217U OpenBenchmarking.org Seconds, Fewer Is Better Smallpt 1.0 Global Illumination Renderer; 100 Samples GCC 4.8.0 Clang 3.3-rc1 Clang 3.2 70 140 210 280 350 SE +/- 0.00, N = 3 SE +/- 0.33, N = 3 SE +/- 1.20, N = 3 SE +/- 0.33, N = 3 SE +/- 0.58, N = 3 SE +/- 0.88, N = 3 SE +/- 0.00, N = 3 SE +/- 0.33, N = 3 SE +/- 3.67, N = 3 19 163 165 33 248 248 117 341 344 1. (CXX) g++ options: -fopenmp -O3 -march=native
C-Ray Total Time Intel Core i7 3960X AMD FX-8350 Intel Core i3 3217U OpenBenchmarking.org Seconds, Fewer Is Better C-Ray 1.1 Total Time GCC 4.8.0 Clang 3.3-rc1 Clang 3.2 30 60 90 120 150 SE +/- 0.03, N = 3 SE +/- 0.02, N = 3 SE +/- 0.05, N = 3 SE +/- 0.01, N = 3 SE +/- 0.01, N = 3 SE +/- 0.02, N = 3 SE +/- 0.01, N = 3 SE +/- 0.11, N = 3 SE +/- 0.03, N = 3 18.41 20.81 21.05 19.26 32.80 32.87 116.29 132.37 133.72 1. (CC) gcc options: -lm -lpthread -O3 -march=native
Timed PHP Compilation Time To Compile Intel Core i7 3960X AMD FX-8350 Intel Core i3 3217U OpenBenchmarking.org Seconds, Fewer Is Better Timed PHP Compilation 5.2.9 Time To Compile Clang 3.2 Clang 3.3-rc1 GCC 4.8.0 20 40 60 80 100 SE +/- 0.05, N = 3 SE +/- 0.10, N = 3 SE +/- 0.12, N = 3 SE +/- 0.12, N = 3 SE +/- 0.06, N = 3 SE +/- 0.02, N = 3 SE +/- 0.34, N = 3 SE +/- 0.13, N = 3 SE +/- 0.32, N = 3 15.58 16.80 22.59 19.37 20.82 31.17 57.64 59.27 98.29 1. (CC) gcc options: -O3 -march=native -pedantic -ldl -lz -lm
Timed ImageMagick Compilation Time To Compile Intel Core i7 3960X AMD FX-8350 Intel Core i3 3217U OpenBenchmarking.org Seconds, Fewer Is Better Timed ImageMagick Compilation 6.8.1-10 Time To Compile Clang 3.2 Clang 3.3-rc1 GCC 4.8.0 50 100 150 200 250 SE +/- 0.19, N = 3 SE +/- 0.06, N = 3 SE +/- 0.10, N = 3 SE +/- 0.15, N = 3 SE +/- 0.05, N = 3 SE +/- 0.14, N = 3 SE +/- 0.17, N = 3 SE +/- 0.11, N = 3 SE +/- 0.14, N = 3 21.18 22.63 49.99 26.94 28.65 102.92 97.07 104.36 208.42
Himeno Benchmark Poisson Pressure Solver Intel Core i7 3960X Intel Core i3 3217U AMD FX-8350 OpenBenchmarking.org MFLOPS, More Is Better Himeno Benchmark 3.0 Poisson Pressure Solver GCC 4.8.0 Clang 3.3-rc1 Clang 3.2 400 800 1200 1600 2000 SE +/- 1.14, N = 3 SE +/- 1.53, N = 3 SE +/- 4.41, N = 3 SE +/- 1.54, N = 3 SE +/- 0.50, N = 3 SE +/- 0.37, N = 3 SE +/- 0.30, N = 3 SE +/- 0.11, N = 3 SE +/- 0.79, N = 3 1629.42 1597.62 1562.31 781.12 779.65 758.34 731.99 667.68 650.02 1. (CC) gcc options: -O3 -march=native
GraphicsMagick Operation: Local Adaptive Thresholding Intel Core i7 3960X AMD FX-8350 Intel Core i3 3217U OpenBenchmarking.org Iterations Per Minute, More Is Better GraphicsMagick 1.3.16 Operation: Local Adaptive Thresholding GCC 4.8.0 Clang 3.3-rc1 Clang 3.2 30 60 90 120 150 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.33, N = 3 SE +/- 0.33, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 133 49 44 99 38 37 39 23 21 1. (CC) gcc options: -O3 -march=native -pthread -lXext -lSM -lICE -lX11 -lz -lm -lpthread
GraphicsMagick Operation: HWB Color Space Intel Core i7 3960X AMD FX-8350 Intel Core i3 3217U OpenBenchmarking.org Iterations Per Minute, More Is Better GraphicsMagick 1.3.16 Operation: HWB Color Space GCC 4.8.0 Clang 3.2 Clang 3.3-rc1 40 80 120 160 200 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.33, N = 3 SE +/- 0.00, N = 3 SE +/- 0.33, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 192 124 123 159 105 104 81 69 68 1. (CC) gcc options: -O3 -march=native -pthread -lXext -lSM -lICE -lX11 -lz -lm -lpthread
GraphicsMagick Operation: Resizing Intel Core i7 3960X AMD FX-8350 Intel Core i3 3217U OpenBenchmarking.org Iterations Per Minute, More Is Better GraphicsMagick 1.3.16 Operation: Resizing GCC 4.8.0 Clang 3.3-rc1 Clang 3.2 40 80 120 160 200 SE +/- 0.33, N = 3 SE +/- 0.33, N = 3 SE +/- 0.00, N = 3 SE +/- 0.33, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 175 89 89 148 73 73 63 42 42 1. (CC) gcc options: -O3 -march=native -pthread -lXext -lSM -lICE -lX11 -lz -lm -lpthread
GraphicsMagick Operation: Sharpen Intel Core i7 3960X AMD FX-8350 Intel Core i3 3217U OpenBenchmarking.org Iterations Per Minute, More Is Better GraphicsMagick 1.3.16 Operation: Sharpen GCC 4.8.0 Clang 3.3-rc1 Clang 3.2 30 60 90 120 150 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 117 31 31 112 23 22 29 15 15 1. (CC) gcc options: -O3 -march=native -pthread -lXext -lSM -lICE -lX11 -lz -lm -lpthread
GraphicsMagick Operation: Blur Intel Core i7 3960X AMD FX-8350 Intel Core i3 3217U OpenBenchmarking.org Iterations Per Minute, More Is Better GraphicsMagick 1.3.16 Operation: Blur GCC 4.8.0 Clang 3.2 Clang 3.3-rc1 30 60 90 120 150 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.33, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.33, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 143 82 81 116 64 64 54 40 40 1. (CC) gcc options: -O3 -march=native -pthread -lXext -lSM -lICE -lX11 -lz -lm -lpthread
BLAKE2 Phoronix Test Suite v4.6.0m1 Intel Core i7 3960X Intel Core i3 3217U AMD FX-8350 OpenBenchmarking.org Cycles Per Byte, Fewer Is Better BLAKE2 20121223 Phoronix Test Suite v4.6.0m1 GCC 4.8.0 Clang 3.3-rc1 Clang 3.2 3 6 9 12 15 SE +/- 0.00, N = 3 SE +/- 0.01, N = 3 SE +/- 0.01, N = 3 SE +/- 0.10, N = 4 SE +/- 0.00, N = 3 SE +/- 0.01, N = 3 SE +/- 0.01, N = 3 SE +/- 0.01, N = 3 SE +/- 0.17, N = 3 5.00 5.50 5.52 6.03 6.48 6.48 8.99 9.63 9.80 1. (CC) gcc options: -std=gnu99 -O3 -march=native -lcrypto -lz
Timed MAFFT Alignment Multiple Sequence Alignment AMD FX-8350 Intel Core i7 3960X Intel Core i3 3217U OpenBenchmarking.org Seconds, Fewer Is Better Timed MAFFT Alignment 6.864 Multiple Sequence Alignment GCC 4.8.0 Clang 3.3-rc1 Clang 3.2 6 12 18 24 30 SE +/- 0.11, N = 4 SE +/- 0.05, N = 3 SE +/- 0.15, N = 6 SE +/- 0.07, N = 3 SE +/- 0.18, N = 6 SE +/- 0.18, N = 6 SE +/- 0.09, N = 3 SE +/- 0.13, N = 3 SE +/- 0.06, N = 3 6.42 6.86 7.09 7.19 7.42 7.54 20.34 21.67 23.88 1. (CC) gcc options: -O3 -lm -lpthread
Timed HMMer Search Pfam Database Search AMD FX-8350 Intel Core i7 3960X Intel Core i3 3217U OpenBenchmarking.org Seconds, Fewer Is Better Timed HMMer Search 2.3.2 Pfam Database Search Clang 3.3-rc1 GCC 4.8.0 Clang 3.2 11 22 33 44 55 SE +/- 0.17, N = 3 SE +/- 0.20, N = 6 SE +/- 0.11, N = 3 SE +/- 0.03, N = 3 SE +/- 0.01, N = 3 SE +/- 0.02, N = 3 SE +/- 0.10, N = 3 SE +/- 0.01, N = 3 SE +/- 0.06, N = 3 11.02 11.52 12.57 15.42 15.91 15.94 38.39 40.11 48.17 1. (CC) gcc options: -O3 -march=native -pthread -lhmmer -lsquid -lm
Phoronix Test Suite v10.8.5