How reliable are glxgears statistics? My FPS increased from 650 to 1100 by using Option "EnablePageFlip" "true" in xorg.conf!!!

[Greg Wildman]

On Sat, 2004-10-23 at 06:27 -0400, Gene Heskett wrote:
> On Saturday 23 October 2004 02:49, Greg Wildman wrote:
> >On Fri, 2004-10-22 at 12:05 +0100, VJ wrote:
> >> Hi,
> >>     I used to get 650FPS with glxgears before I added this option
> >> (at the end ofthis mail ) to my xorg.conf. Now I get 1100FPS. Is
> >> it true that this option increased the FPS of my card? I am using
> >> "ATI Rage 128 Pro" as video card. Is glxgears reliable for such
> >> tests?
> >>
> >> Option "EnablePageFlip" "true"
> >
> >Thanks for the tip. I have an ATI Radeon 9200 and I am running the
> >standard Xorg driver on FC2.
> >
> >My FPS was around 450 with the cog's turning very very slowly. If I
> > put a terminal window over the glxgears windows then it shot up to
> > 4500 FPS. Not that that helps much. :-)
> >
> >I put in the setting you suggested and bingo, my FPS is now at 650.
> > The desktop also got a lot quicker, especially switching between
> > virtual desktops.
> >
> What 'section' of the xorg.conf file did you put that in?  I tried it 
> in the "Device' section, no errors, and slowed me by 5 fps.

My xorg.conf looks like so:

Section "Device"
        Identifier  "Videocard0"
        Driver      "radeon"
        VendorName  "ATI"
        BoardName   "Radeon 9200"
        BusID       "1:5:0"
        Option      "EnablePageFlip" "true"
EndSection


output of lspci:

01:05.0 VGA compatible controller: ATI Technologies Inc RV280 [Radeon
9200] (rev 01) (prog-if 00 [VGA])
        Subsystem: Giga-byte Technology: Unknown device 4018
        Flags: bus master, 66Mhz, medium devsel, latency 32, IRQ 17
        Memory at d8000000 (32-bit, prefetchable)
        I/O ports at 9000 [size=256]
        Memory at e9000000 (32-bit, non-prefetchable) [size=64K]
        Capabilities: [58] AGP version 2.0
        Capabilities: [50] Power Management version 2
 
01:05.1 Display controller: ATI Technologies Inc RV280 [Radeon 9200]
(Secondary) (rev 01)
        Subsystem: Giga-byte Technology: Unknown device 4019
        Flags: 66Mhz, medium devsel
        Memory at e0000000 (32-bit, prefetchable) [disabled]
        Memory at e9010000 (32-bit, non-prefetchable) [disabled]
[size=64K]
        Capabilities: [50] Power Management version 2



--
Greg