OMAP4660 ARM LLVM-Clang On Ubuntu 12.04 Phoronix benchmarks of GCC 4.6 and LLVM/Clang 3.0 from Precise repositories on Ubuntu 12.04 LTS snapshot. Both compilers were using same test profile defaults for compile flags. Testing for a future article on Phoronix.com by Michael Larabel.
HTML result view exported from: https://openbenchmarking.org/result/1201284-BY-PANDACLAN31 .
OMAP4660 ARM LLVM-Clang On Ubuntu 12.04 Processor Motherboard Memory Disk Graphics OS Kernel Desktop Display Server Display Driver OpenGL Compiler File-System Screen Resolution GCC 4.6 LLVM-Clang 3.0 ARMv7 rev 10 (2 Cores) OMAP4 Panda board 912MB 16GB SD16G Texas Instruments OMAP Ubuntu 12.04 3.2.0-1404-omap4 (armv7l) Unity 2D X Server 1.10.4 fbdev 0.4.2 2.1 Mesa 7.11 GCC 4.6 ext4 1024x768 Clang 4.2.1 + GCC 4.6 OpenBenchmarking.org
OMAP4660 ARM LLVM-Clang On Ubuntu 12.04 cachebench: Read cachebench: Write cachebench: Read / Modify / Write c-ray: Total Time compress-7zip: Compress Speed Test compress-lzma: 256MB File Compression mafft: Multiple Sequence Alignment n-queens: Elapsed Time scimark2: Composite scimark2: Fast Fourier Transform scimark2: Jacobi Successive Over-Relaxation scimark2: Monte Carlo scimark2: Sparse Matrix Multiply scimark2: Dense LU Matrix Factorization tscp: AI Chess Performance GCC 4.6 LLVM-Clang 3.0 1015.30 1443.61 1480.92 1961.29 542 1070.19 248.76 1420.96 65.90 15.15 121.86 45.05 70.84 76.61 42620 162.32 1783.72 243.70 8180.15 548 1182.29 1175.70 1222.51 9.11 3.40 14.47 6.52 11.43 9.74 37733 OpenBenchmarking.org
CacheBench Test: Read OpenBenchmarking.org MB/s, More Is Better CacheBench Test: Read GCC 4.6 LLVM-Clang 3.0 200 400 600 800 1000 SE +/- 2.11, N = 3 SE +/- 0.45, N = 3 1015.30 162.32
CacheBench Test: Write OpenBenchmarking.org MB/s, More Is Better CacheBench Test: Write GCC 4.6 LLVM-Clang 3.0 400 800 1200 1600 2000 SE +/- 0.40, N = 3 SE +/- 2.79, N = 3 1443.61 1783.72
CacheBench Test: Read / Modify / Write OpenBenchmarking.org MB/s, More Is Better CacheBench Test: Read / Modify / Write GCC 4.6 LLVM-Clang 3.0 300 600 900 1200 1500 SE +/- 2.02, N = 3 SE +/- 0.06, N = 3 1480.92 243.70
C-Ray Total Time OpenBenchmarking.org Seconds, Fewer Is Better C-Ray 1.1 Total Time GCC 4.6 LLVM-Clang 3.0 2K 4K 6K 8K 10K SE +/- 1.15, N = 3 SE +/- 3.96, N = 3 1961.29 8180.15
7-Zip Compression Compress Speed Test OpenBenchmarking.org MIPS, More Is Better 7-Zip Compression 9.20.1 Compress Speed Test GCC 4.6 LLVM-Clang 3.0 120 240 360 480 600 SE +/- 1.53, N = 3 SE +/- 3.79, N = 3 542 548
LZMA Compression 256MB File Compression OpenBenchmarking.org Seconds, Fewer Is Better LZMA Compression 256MB File Compression GCC 4.6 LLVM-Clang 3.0 300 600 900 1200 1500 SE +/- 1.61, N = 3 SE +/- 2.64, N = 3 1070.19 1182.29
Timed MAFFT Alignment Multiple Sequence Alignment OpenBenchmarking.org Seconds, Fewer Is Better Timed MAFFT Alignment 6.864 Multiple Sequence Alignment GCC 4.6 LLVM-Clang 3.0 300 600 900 1200 1500 SE +/- 0.33, N = 3 SE +/- 2.06, N = 3 248.76 1175.70
N-Queens Elapsed Time OpenBenchmarking.org Seconds, Fewer Is Better N-Queens 1.0 Elapsed Time GCC 4.6 LLVM-Clang 3.0 300 600 900 1200 1500 SE +/- 0.03, N = 2 SE +/- 0.57, N = 2 1420.96 1222.51
SciMark Computational Test: Composite OpenBenchmarking.org Mflops, More Is Better SciMark 2.0 Computational Test: Composite GCC 4.6 LLVM-Clang 3.0 15 30 45 60 75 SE +/- 0.22, N = 4 SE +/- 0.03, N = 4 65.90 9.11
SciMark Computational Test: Fast Fourier Transform OpenBenchmarking.org Mflops, More Is Better SciMark 2.0 Computational Test: Fast Fourier Transform GCC 4.6 LLVM-Clang 3.0 4 8 12 16 20 SE +/- 0.11, N = 4 SE +/- 0.00, N = 4 15.15 3.40
SciMark Computational Test: Jacobi Successive Over-Relaxation OpenBenchmarking.org Mflops, More Is Better SciMark 2.0 Computational Test: Jacobi Successive Over-Relaxation GCC 4.6 LLVM-Clang 3.0 30 60 90 120 150 SE +/- 0.52, N = 4 SE +/- 0.08, N = 4 121.86 14.47
SciMark Computational Test: Monte Carlo OpenBenchmarking.org Mflops, More Is Better SciMark 2.0 Computational Test: Monte Carlo GCC 4.6 LLVM-Clang 3.0 10 20 30 40 50 SE +/- 0.36, N = 4 SE +/- 0.05, N = 4 45.05 6.52
SciMark Computational Test: Sparse Matrix Multiply OpenBenchmarking.org Mflops, More Is Better SciMark 2.0 Computational Test: Sparse Matrix Multiply GCC 4.6 LLVM-Clang 3.0 16 32 48 64 80 SE +/- 0.64, N = 4 SE +/- 0.09, N = 4 70.84 11.43
SciMark Computational Test: Dense LU Matrix Factorization OpenBenchmarking.org Mflops, More Is Better SciMark 2.0 Computational Test: Dense LU Matrix Factorization GCC 4.6 LLVM-Clang 3.0 20 40 60 80 100 SE +/- 0.25, N = 4 SE +/- 0.00, N = 4 76.61 9.74
TSCP AI Chess Performance OpenBenchmarking.org Nodes Per Second, More Is Better TSCP 1.81 AI Chess Performance GCC 4.6 LLVM-Clang 3.0 9K 18K 27K 36K 45K SE +/- 14.09, N = 5 SE +/- 9.43, N = 5 42620 37733
Phoronix Test Suite v10.8.4