[ltp] R51 - OpenGl slow or fast depending on user

[Florian Dorpmueller]

Thanks for the explanation. Nevertheless with Debian 6 now I can watch 
videos jerk free. With Ubuntu 12.04 this was a problem.

Florian

Am 08.07.2014 09:31, schrieb Florian Reitmeir:
> Hi,
>
> the glxgears manual states .. that its not an benchmark. in newer
> version the output is synchronized to the monitor refresh rate.. and the
> monitor refresh rate is subject to power management (at least on intel
> chips) so it can vary depending on input devices.
>
> to disable the sync.. a quick search:
>
>
> ----------------------------------------------
> `--> glxgears
> Running synchronized to the vertical refresh.  The framerate should be
> approximately the same as the monitor refresh rate.
> 300 frames in 5.0 seconds = 59.973 FPS
>
> ----------------------------------------------
> `-->    vblank_mode=0 glxgears
> ATTENTION: default value of option vblank_mode overridden by environment.
> 3767 frames in 5.0 seconds = 753.229 FPS
>
>
> greetings
>
> On 07/05/14 19:11, Florian wrote:
>> Quite an old thread, but last week I reawaked my R51 with Debian 6 and
>> now I receive
>> 2115 frames in 5 .0 seconds = 422.588 FPS
>> 2118 frames in 5.0 seconds = 423.576 FPS
>> 2120 frames in 5.0 seconds = 423.633 FPS
>> 2122 frames in 5.0 seconds = 424.374 FPS
>> 2120 frames in 5.0 seconds = 423.632 FPS
>> 1848 frames in 5.0 seconds = 369.537 FPS
>>
>> Now my pretty old Thinkpad runs like a young god and Debian has promised
>> security updates for two more years.
>>
>> Florian
>>
>> ------------------------------------------------------------------------
>> From: dorpmueller@hotmail.com
>> To: linux-thinkpad@linux-thinkpad.org
>> Subject: RE: [ltp] OpenGl slow or fast depending on user
>> Date: Thu, 20 Sep 2012 19:16:28 +0000
>>
>> Nevertheless for the "fast" user with glxgears I receive:
>> 304 frames in 5.0 seconds = 60.678 FPS
>> 302 frames in 5.0 seconds = 60.266 FPS
>> 302 frames in 5.0 seconds = 60.267 FPS
>> 302 frames in 5.0 seconds = 60 .267 FPS
>>
>> For the slow user it is only
>> 190 frames in 5.0 seconds = 37.979 FPS
>> 188 frames in 5.0 seconds = 37.580 FPS
>> 193 frames in 5.1 seconds = 38.032 FPS
>> 193 frames in 5.0 seconds = 38.405 FPS
>> 197 frames in 5.0 seconds = 39.267 FPS
>>
>> Kind of strange..
>>
>> Florian
>>
>>
>>> Subject: Re: [ltp] OpenGl slow or fast depending on user
>>> From: alexdeucher@gmail.com
>>> To: linux-thinkpad@linux-thinkpad.org
>>> Date: Mon, 17 Sep 2012 12:34:41 -0400
>>>
>>> On Sun, Sep 16, 2012 at 4:34 PM, Florian Dorpmueller
>>> <dorpmueller@hotmail .com> wrote:
>>>> I adjusted all group privilleges for both users but it didn't help.
>>>> Please find attached the output of "glxinfo" for both. I cannot find any
>>>> difference but I am not a specialist in this case.
>>> Looks fine. It could be a matter of resources (not enough vram, etc.
>>> to go around). The r1xx hw is pretty old and didn't have much vram.
>>>
>>> Alex
>>>
>>>> Florian
>>>>
>>>> ----------------------------------------
>>>>> Subject: Re: [ltp] OpenGl slow or fast depending on user
>>>>> From: alexdeucher@gmail.com
>>>>> To: linux-thinkpad@linux-thinkpad.org
>>>>> Date: Sat, 15 Sep 2012 09:49:13 -0400
>>>>>
>>>>> On Sat, Sep 15, 2012 at 8:38 AM, Florian Dorpmueller
>>>>> <dorpmueller@hotmail.com> wrote:
>>>>>> Hi,
>>>>>>
>>>>>> with my Thinkpad R51 (Radeon 7500) and Xubuntu 12.04 I have the
>> problem, that the video performance is depending on the current user.
>>>>>> I am using mplayer2 and smplayer2. The video adapter is "gl". In
>> the system properties for CompizConfig for both users OpenGl is
>> activated. But when one user plays a video it jerks where for the other
>> no jerking is to be seen .
>>>>>> Since I have no idea about the reason I would appreciate any hint
>> for this matter.
>>>>> Make sure both users are in the "video" group or whatever group your
>>>>> distro uses for 3D. run glxinfo as each user and check the renderer
>>>>> string make sure both are using 3D acceleration.
>>>>>
>>>>> Alex
>>>>>
>>>>>> Cheers,
>>>>>> Florian --
>>>>>> The linux-thinkpad mailing list home page is at:
>>>>>> http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
>>>>> --
>>>>> The linux-thinkpad mailing list home page is at:
>>>>> http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
>>> --
>>> The linux-thinkpad mailing list home page is at:
>>> http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
>