[cfe-dev] GCC 4.6, LLVM/Clang 2.9, DragonEgg Five-System Benchmarks

[Tobias Grosser]

On 03/30/2011 05:25 AM, Frits van Bommel wrote:
> On Wed, Mar 30, 2011 at 10:16 AM, Konstantin Tokarev<annulen at yandex.ru>  wrote:
>> Can anyone explain significant superiority of DragonEgg over Clang is some tests?
>
> IIRC someone on #llvm mentioned that clang's lack of OpenMP support is
> likely the reason for some of the most significant differences, where
> dragonegg is twice as fast as clang on a duo-core, four times as fast
> on a quad-core, and so on.

Yes, that's what I also believe.

Here a link to the original test results:

http://openbenchmarking.org/result/1103264-IV-1103253IV95

And here some of the test descriptions:

GraphicsMagick: This is a test of GraphicsMagick with its >>OpenMP<< 
implementation that performs various imaging tests to stress the 
system's CPU.

Cheers
Tobi