Re: [CFT] faster athlon/duron memory copy implementation

Dave Jones (davej@codemonkey.org.uk)
Thu, 24 Oct 2002 21:26:54 +0100


On Thu, Oct 24, 2002 at 04:09:41PM -0400, Ed Sweetman wrote:
>
> I seem to be seeing compiler optimizations come into play with the
> numbers and not any mention of them that i've seen has been talked
> about. That could be causing any discrepencies with predicted values. So
> not only would we have to look at algorithms, but also the compilers and
> what optimizations we plan on using them with. Some do better on
> certain compilers+flags than others. It's a mixmatch that seems to only
> get complicated the more realistic you make it.

The functions being benchmarked are written in assembly.
gcc will not change these in any way, making compiler flags
or revision irrelevant.

Dave

-- 
| Dave Jones.        http://www.codemonkey.org.uk
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/