On Sat, Sep 15, 2012 at 10:19 PM, Konstantin Belousov <kostikbel_at_gmail.com> wrote: > On Sun, Sep 16, 2012 at 12:34:45AM +0200, Dimitry Andric wrote: >> Hi all, >> >> By request, I performed a series of kernel performance tests on FreeBSD >> 10.0-CURRENT, particularly comparing the runtime performance of GENERIC >> kernels compiled by gcc 4.2.1 and by clang 3.2. >> >> The attached text file[1] contains more information about the tests, >> some semi-cooked performance data, and my conclusions. Any errors and >> omissions are also my fault, so if you notice them, please let me know. >> >> The executive summary: GENERIC kernels compiled with clang 3.2 are >> slightly faster than those compiled by gcc 4.2.1, though the difference >> will not very noticeable in practice. >> >> Last but not least, thanks to Gavin Atkinson for providing the required >> hardware. > > Thank you very much for doing this. > > I tried to map the CPUID into more human-friendly family moniker, and it > seems that these are Pentium-4 class CPUs. Am I right ? > > If yes, could you, please, rerun the tests on anything more recent than > Core2, i.e. any Core i7-whatever class of Xeons ? If you can provide the tests, I can rerun it on some Nehalem class workstations I have access to. I unfortunately don't have access to SNB/Romley hardware yet. Thanks, -GarrettReceived on Sun Sep 16 2012 - 03:25:52 UTC
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