Benchmarking LLVM-Clang and GCC from Ubuntu 12.10 Quantal repository for performance comparison of a single-node 1.1GHz Calxeda Highbank node.
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Phoronix Test Suite by running the command:
phoronix-test-suite benchmark 1210189-RA-LLVMCLANG48 LLVM-Clang vs. GCC On Calxeda ARMv7 Quad-Core - Phoronix Test Suite LLVM-Clang vs. GCC On Calxeda ARMv7 Quad-Core Benchmarking LLVM-Clang and GCC from Ubuntu 12.10 Quantal repository for performance comparison of a single-node 1.1GHz Calxeda Highbank node.
HTML result view exported from: https://openbenchmarking.org/result/1210189-RA-LLVMCLANG48&export=txt&rdt&grt .
LLVM-Clang vs. GCC On Calxeda ARMv7 Quad-Core Processor Motherboard Memory Disk OS Kernel Compiler File-System Clang 3.0 GCC 4.7.2 ARMv7 rev 0 (4 Cores) Highbank 4096MB 256GB SAMSUNG MZ7PC256 Ubuntu 12.10 3.5.0-1000-highbank (armv7l) Clang 3.0-6ubuntu3 ext4 GCC 4.7 OpenBenchmarking.org Compiler Details - GCC 4.7.2: --build=arm-linux-gnueabihf --disable-libitm --disable-sjlj-exceptions --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-languages=c,c++,go,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multilib --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=arm-linux-gnueabihf --target=arm-linux-gnueabihf --with-arch=armv7-a --with-float=hard --with-fpu=vfpv3-d16 --with-mode=thumb -v
LLVM-Clang vs. GCC On Calxeda ARMv7 Quad-Core compress-7zip: Compress Speed Test c-ray: Total Time ffte: N=64, 1D Complex FFT Routine encode-mp3: WAV To MP3 Clang 3.0 GCC 4.7.2 1689 574.35 499.91 119.26 1665 390.20 506.93 121.79 OpenBenchmarking.org
7-Zip Compression Compress Speed Test OpenBenchmarking.org MIPS, More Is Better 7-Zip Compression 9.20.1 Compress Speed Test Clang 3.0 GCC 4.7.2 400 800 1200 1600 2000 SE +/- 7.75, N = 3 SE +/- 11.06, N = 3 1689 1665 1. (CXX) g++ options: -pipe -lpthread
C-Ray Total Time OpenBenchmarking.org Seconds, Fewer Is Better C-Ray 1.1 Total Time Clang 3.0 GCC 4.7.2 120 240 360 480 600 SE +/- 0.54, N = 3 SE +/- 0.60, N = 3 574.35 390.20 1. (CC) gcc options: -lm -lpthread -O3 -march=armv7
FFTE Test: N=64, 1D Complex FFT Routine OpenBenchmarking.org MFLOPS, More Is Better FFTE 5.0 Test: N=64, 1D Complex FFT Routine Clang 3.0 GCC 4.7.2 110 220 330 440 550 SE +/- 7.55, N = 3 SE +/- 0.03, N = 3 499.91 506.93 1. (F9X) gfortran options: -O3 -fomit-frame-pointer -fopenmp -lmpichf90 -lmpich -lopa -lmpl -lrt -lcr -lpthread
LAME MP3 Encoding WAV To MP3 OpenBenchmarking.org Seconds, Fewer Is Better LAME MP3 Encoding 3.99.3 WAV To MP3 Clang 3.0 GCC 4.7.2 30 60 90 120 150 SE +/- 1.68, N = 5 SE +/- 1.55, N = 5 119.26 121.79
Phoronix Test Suite v10.8.4