very slow performance of glxgears (68 fps)

John Tapsell johnflux at gmail.com
Wed Feb 18 06:40:34 PST 2009


2009/2/18 Matthias Hopf <mhopf at suse.de>:
> On Feb 06, 09 01:56:19 +0000, John Tapsell wrote:
>> >> > glxgears is not a benchmark.
>> > At openSUSE we print out a warning now (well, this change went into
>> > *after* 11.1, unfortunately), that this is not a benchmark. We got really
>> > tired of these statements.
>> Except that it _is_ a benchmark.  Or rather waas before the change.
>
> No, it never was.
>
>> If for example, without vsync, a user gets just 100fps on their new
>> nvidia card, then that is clearly showing that something is wrong.
>
> So it is a validation tool, but not a benchmark.
>
> A benchmark - by definition - gives you performance figures that can be
> compared with other systems, which gives you a reasonable notion of
> which of the systems is better.

Right.  If one system gets 100fps and another gets 1,000fps, then you
compare the two systems and say that one is better than the other.
All you are saying is that it's not an accurate comparison if the
numbers are close.

>
> Which exactly is not the case with glxgears.
>
> Matthias
>
> --
> Matthias Hopf <mhopf at suse.de>      __        __   __
> Maxfeldstr. 5 / 90409 Nuernberg   (_   | |  (_   |__          mat at mshopf.de
> Phone +49-911-74053-715           __)  |_|  __)  |__  R & D   www.mshopf.de
> _______________________________________________
> xorg mailing list
> xorg at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/xorg
>



More information about the xorg mailing list