Compiler performance tests on FreeBSD 10.0-CURRENT
Steve Kargl
sgk at troutmask.apl.washington.edu
Tue Sep 4 21:43:55 UTC 2012
On Tue, Sep 04, 2012 at 10:39:40PM +0200, Dimitry Andric wrote:
>
> I recently performed a series of compiler performance tests on FreeBSD
> 10.0-CURRENT, particularly comparing gcc 4.2.1 and gcc 4.7.1 against
> clang 3.1 and 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: clang compiles mostly faster than gcc (sometimes
> much faster), and uses significantly less memory.
The benchmark is somewhat meaningless if one does not
know the options that were used during the testing.
--
Steve
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