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&grs&sor .
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 scimark2: Jacobi Successive Over-Relaxation scimark2: Dense LU Matrix Factorization scimark2: Composite scimark2: Monte Carlo cachebench: Read scimark2: Sparse Matrix Multiply cachebench: Read / Modify / Write mafft: Multiple Sequence Alignment scimark2: Fast Fourier Transform c-ray: Total Time cachebench: Write n-queens: Elapsed Time tscp: AI Chess Performance compress-lzma: 256MB File Compression compress-7zip: Compress Speed Test GCC 4.6 LLVM-Clang 3.0 121.86 76.61 65.90 45.05 1015.30 70.84 1480.92 248.76 15.15 1961.29 1443.61 1420.96 42620 1070.19 542 14.47 9.74 9.11 6.52 162.32 11.43 243.70 1175.70 3.40 8180.15 1783.72 1222.51 37733 1182.29 548 OpenBenchmarking.org
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: 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
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: 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
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
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
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
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
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
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
CacheBench Test: Write OpenBenchmarking.org MB/s, More Is Better CacheBench Test: Write LLVM-Clang 3.0 GCC 4.6 400 800 1200 1600 2000 SE +/- 2.79, N = 3 SE +/- 0.40, N = 3 1783.72 1443.61
N-Queens Elapsed Time OpenBenchmarking.org Seconds, Fewer Is Better N-Queens 1.0 Elapsed Time LLVM-Clang 3.0 GCC 4.6 300 600 900 1200 1500 SE +/- 0.57, N = 2 SE +/- 0.03, N = 2 1222.51 1420.96
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
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
7-Zip Compression Compress Speed Test OpenBenchmarking.org MIPS, More Is Better 7-Zip Compression 9.20.1 Compress Speed Test LLVM-Clang 3.0 GCC 4.6 120 240 360 480 600 SE +/- 3.79, N = 3 SE +/- 1.53, N = 3 548 542
Phoronix Test Suite v10.8.4