[cfe-dev] Clang/llvm performance tests on FreeBSD 10.0-CURRENT

Sean Silva silvas at purdue.edu
Tue Sep 4 17:54:42 PDT 2012

It would be cool to have an up to date version of
<http://clang.llvm.org/performance.html>. The page is currently 3+
years old.

--Sean Silva

On Tue, Sep 4, 2012 at 4:49 PM, Dimitry Andric <dimitry at andric.com> wrote:
> Hi all,
> 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.
> Finally, please note these tests were purely about compilation speed,
> not about the performance of the resulting executables.  This still
> needs to be tested.
> -Dimitry
> [1]: Also available at:
> <http://www.andric.com/freebsd/perftest/perftest-2012-09-01a.txt>
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