very slow glxgears performance with Unity

[Bruce Pieterse]

On Thu 03 Nov 2011 21:30:16 SAST, Bruce Pieterse wrote:
> On Thu 03 Nov 2011 21:26:51 SAST, Hugh Caley wrote:
>>> On Wed 02 Nov 2011 21:06:44 SAST, Hugh Caley wrote:
>>>>>> I'm using an nvidia GeForce 210 card and the proprietary drivers. 
>>>>>> I'm
>>>>>> running in nvidia's "twinview" mode to get a desktop spread over two
>>>>>> monitors. With every desktop except Unity 3D (Gnome 3, Gnome 2, 
>>>>>> Gnome
>>>>>> 2 with Compiz, Unity 2D) I get well over 1000 fps with glxgears. 
>>>>>> With
>>>>>> Unity 3D I get> 100 fps.
>>>>>>
>>>>>> Any idea why it is so slow with Unity 3D only?
>>>>>>
>>>>>>
>>>>> Hi Hugh,
>>>>>
>>>>> Which version of the drivers are you using? If you are using version
>>>>> 173 try "version current" which is [recommended] using jockey-gtk.
>>>>>
>>>>> -- Best of luck, Bruce
>>>> I've tried it with both of the drivers available to me using
>>>> jockey-gtk, Bruce. Same problem.
>>>>
>>>> Hugh
>>>>
>>> Hmm, I have Zotac Geforce 9500GT 512MB and 8GB RAM and I get the
>>> following from glxgears:
>>>
>>>
>>> -- Best of luck, Bruce
>>
>> There don't seem to be any numbers, there, Bruce ;)
>>
>> Assuming that your numbers were high, are you sure you are running 
>> the default Unity 3D, and not the 2D version? As I mentioned, I got 
>> numbers > 1000 fps on every desktop except Unity 3D. Actually, that's 
>> not quite true, I think I was getting around 650 fps with Gnome 3, 
>> but that's still a lot faster than my < 100 fps with Unity 3D.
>>
>> Hugh
>>
>> -- 
>> */Hugh Caley/
>> Linux System Administrator
>> Aldon Business Area
>> Rocket Software*
>> 6001 Shellmound St. Ste. 600 · Emeryville, CA 94608 · USA
>> Tel:+1.510.285.8542
>> Email:hcaley at aldon.com
>> Web:aldon.com
>>
>>
>
> Yes, I am running 3D. I logged in to 2D earlier to test something else.
>

Here is the glxgears output:

22182 frames in 5.0 seconds = 4436.168 FPS
22641 frames in 5.0 seconds = 4528.076 FPS
21175 frames in 5.0 seconds = 4234.321 FPS
22564 frames in 5.0 seconds = 4512.769 FPS


-- 
Best of luck,

Bruce