Mail Archives: pgcc/1999/03/27/09:05:46
On Sat, 27 Mar 1999, Wolfgang Reimer wrote:
> John Wehle wrote:
> >
[snip]
> >
> > Keep in mind that integer code doesn't benefit from more alignment and
> > that it's desirable to avoid impacting integer performance. As with
> > many things it is a question of tradeoffs.
> >
Why??????
> [ lines deleted ]
> >
> > -- John
[snip]
> fibers. So for me (and other number crunching guys) the alignment of
> 8-byte operands (doubles) on stack would improve Intel P6 performance
> much more than any other sophisticated Pentium optimization strategy.
> That's why it should be the "Number ONE" on the TODO list of the egcs
> compiler development group, IMHO.
>
I agree. I think that it is not worth the effort if the gain in speed
is marginal (say less than 10%). That is what I obtain. I belong also
to the number crunching people.
Regards,
Michael
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