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Old 11th May 2012, 11:09 PM
mmix Offline
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Join Date: Aug 2009
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GCC vs. LLVM/Clang Compilers On ARMv7 Linux


LLVM/Clang still doesn't have support for OpenMP. More result data from this GCC vs. LLVM/Clang compiler comparison on ARM can be found on OpenBenchmarking.org (though ignore the Fortran FFTE test that accidentally slipped in there). LLVM/Clang on this dual-core OMAP4460 SoC was much less competitive than GCC 4.6, though it will be interesting to do this comparison with GCC 4.7 and the forthcoming LLVM/Clang 3.1. I'll also run some compiler benchmarks from the quad-core NVIDIA Tegra 3 ARM tablet.

On the ARM side, there is great interest with LLVM/Clang. Qualcomm is even trying to use Clang to build an ARM Linux kernel and other software with the LLVM-based compiler rather than GCC. Going forward the ARM Clang performance on Linux should certainly improve.

Last edited by mmix; 19th May 2012 at 04:34 PM. Reason: fixed wrong quotation.
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