PandaBoard ES Texas Instruments OMAP4460 ARMv7 dual-core ARM Cortex A9 1.2GHz benchmarking of Ubuntu 12.04 LTS hard-float with Linux 3.2 kernel. This ARMv7 compiler testing of the Precise packages for LLVM Clang 3.0 versus GCC 4.6.3 compilers. Same compiler flags used each time with -O3 CFLAGS/CXXFLAGS. Initial look at LLVM Clang C/C++ compiler performance under dual-core ARMv7 platform dual-core. ARM Linux benchmarking for a future article on Phoronix.com.
Compare your own system(s) to this result file with the
Phoronix Test Suite by running the command:
phoronix-test-suite benchmark 1204218-SU-ARMCLANG163
Ubuntu 12.04 LTS ARMv7 LLVM Clang 3.0 vs. GCC 4.6 Compiler,
"VP8 libvpx Encoding 0.9.7-p1 - vpxenc",
Higher Results Are Better
"ARM GCC 4.6.3",1.01,1.01,1.01
"x264 2011-12-06 - H.264 Video Encoding",
Higher Results Are Better
"ARM GCC 4.6.3",4.06,4.03,4
"CacheBench - Test: Read",
Higher Results Are Better
"ARM GCC 4.6.3",1705.965047,1651.486323,1672.319313
"ARM LLVM-Clang 3.0",275.961834,276.24955,269.322045
"CacheBench - Test: Write",
Higher Results Are Better
"ARM GCC 4.6.3",2442.990903,2446.871713,2302.36709
"ARM LLVM-Clang 3.0",2960.577321,2934.026524,3066.454958
"CacheBench - Test: Read / Modify / Write",
Higher Results Are Better
"ARM GCC 4.6.3",2551.642697,2440.423664,2146.190297,2440.471552,2296.390207,2382.212988
"ARM LLVM-Clang 3.0",418.726023,411.070673,419.079385
"FFTE 5.0 - Test: N=64, 1D Complex FFT Routine",
Higher Results Are Better
"ARM GCC 4.6.3",466.8310569273,467.42643632543,467.90383560713
"ARM LLVM-Clang 3.0",465.90791922432,469.30183585258,466.01323522384
"SciMark 2.0 - Computational Test: Composite",
Higher Results Are Better
"ARM GCC 4.6.3",101.94,101.72,101.53,102.69
"ARM LLVM-Clang 3.0",15.3,15.31,15.32,15.51
"SciMark 2.0 - Computational Test: Monte Carlo",
Higher Results Are Better
"ARM GCC 4.6.3",76.7,77.14,76.48,76.92
"ARM LLVM-Clang 3.0",11.3,11.26,11.3,11.37
"SciMark 2.0 - Computational Test: Fast Fourier Transform",
Higher Results Are Better
"ARM GCC 4.6.3",16.45,15.41,15.48,15.32
"ARM LLVM-Clang 3.0",5.14,5.07,5.03,5.25
"SciMark 2.0 - Computational Test: Sparse Matrix Multiply",
Higher Results Are Better
"ARM GCC 4.6.3",104.07,103.23,103.64,108.02
"ARM LLVM-Clang 3.0",19.1,18.99,18.93,19.34
"SciMark 2.0 - Computational Test: Dense LU Matrix Factorization",
Higher Results Are Better
"ARM GCC 4.6.3",107.53,107.87,108.23,107.7
"ARM LLVM-Clang 3.0",16.38,16.41,16.44,16.58
"SciMark 2.0 - Computational Test: Jacobi Successive Over-Relaxation",
Higher Results Are Better
"ARM GCC 4.6.3",204.94,204.94,203.85,205.49
"ARM LLVM-Clang 3.0",24.57,24.82,24.89,25.02
"7-Zip Compression 9.20.1 - Compress Speed Test",
Higher Results Are Better
"ARM GCC 4.6.3",841,877,858
"ARM LLVM-Clang 3.0",839,838,856
"TSCP 1.81 - AI Chess Performance",
Higher Results Are Better
"ARM GCC 4.6.3",75356,75109,75325,75376,75562
"ARM LLVM-Clang 3.0",64014,63991,63836,64148,63858
"OpenSSL 1.0.0e - RSA 4096-bit Performance",
Higher Results Are Better
"ARM GCC 4.6.3",4.6,4.6,4.6,4.6
"ARM LLVM-Clang 3.0",4.6,4.6,4.6,4.6
"N-Queens 1.0 - Elapsed Time",
Lower Results Are Better
"ARM GCC 4.6.3",822.772,820.8
"ARM LLVM-Clang 3.0",704.738,705.437
"C-Ray 1.1 - Total Time",
Lower Results Are Better
"ARM GCC 4.6.3",1158.149,1178.806,1175.342
"ARM LLVM-Clang 3.0",5337.612,5460.217,5558.385
"Smallpt 1.0 - Global Illumination Renderer; 100 Samples",
Lower Results Are Better
"ARM GCC 4.6.3",591,591,592