On Mon, Jun 8, 2009 at 20:05, M. Warner Losh<[email protected]> wrote:
> In message: <[email protected]>
> Ed Schouten <[email protected]> writes:
> : Good news everyone!
> ...
> : So far we've only done testing on amd64 and i386. A lot of ports are
> : probably still broken. Caveat emptor. Beware of dog. Slippery when wet.
>
> "objects in mirror may be larger than they appear"
>
> Do you have size or run-time performance comparisons yet?
>
Here is a semi-recent build-time benchmark for a stipped down amd64 kernel
clang:
182.04 real 166.68 user 13.29 sys
gcc:
217.79 real 211.00 user 13.22 sys
libmicro runtime syscall benchmark results from April:
http://www.vlakno.cz/~pwo/lm/2009-04-11/lm.html
So runtime performance is on par with gcc, code size is a bit bigger
so there is still room for optimization in LLVM.
--
Pawel
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