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Re: Speed issues taken seriously?
> Jan Hubicka wrote:
>
> >3.4 seems to be overall somewhat slower than 3.3 again when optimizing
> >for sources where inlining does not make important difference.
> >I plan to do some oprofiling and analysis of SPEC data we have
> >accumulated during stage3 to figure out what are the main reasons for
> >this. (I am experimenting with a tool automatically looking for changes
> >of performance in Andrea's SPEC testers and logging changelogs so we at
> >least can identify offending patches more easilly. Very first results
> >are at http://www.ucw.cz/~hubicka/analysis.html
> >I don't have currently much time to improve my tool but I will try to do
> >so after hunting all the bugs in my TODO list.
> >
> >
> Sounds potentially helpful but the links are broken on the top table.
The page is supposed to sit in the same directory as others pages
produced by Andreas' scripts. I hope that we will merge our scripts
soonish.
>
> The size tester that someone has posted information about is also a
> useful metric.
I also included size differences in the script, it will be interesting
to compare these. Additionally we should have some checking of speed,
but the data of SPEC compilations appears to be way too noisy to be
usefull to be processed automatically (even the speed metrics are in
many cases)
Honza
>
> --joel sherrill
>
>