[meta-freescale] GPU tests on master next - core-image-x11 - sfp

Daiane Angolini daiane.angolini at freescale.com
Thu Aug 29 04:49:14 PDT 2013


On 08/28/2013 05:27 PM, Eric Bénard wrote:
> Le Wed, 28 Aug 2013 15:29:29 -0300,
> Daiane Angolini <daiane.angolini at freescale.com> a écrit :
>
>> On 08/28/2013 03:00 PM, Eric Bénard wrote:
>>> Le Wed, 28 Aug 2013 14:20:25 -0300,
>>> Daiane Angolini <daiane.angolini at freescale.com> a écrit :
>>>
>>>> On 08/28/2013 01:43 PM, Daiane Angolini wrote:
>>>>> I've been running some tests on master-next.
>>>>>
>>>>> I used the following commands. Do you know any other I could run?
>>>>>
>>>>>
>>>>
>>>> The past email, was for SOFT fp
>>>>> RESULTS:
>>>>> $ DISPLAY=:0 glxgears
>>>>> 108 frames in 5.0 seconds = 21.508 FPS
>>>>>
>>>>> $ DISPLAY=:0 es2gears_x11
>>>>> 1494 frames in 5.0 seconds = 298.740 FPS
>>>>>
>>>>> $ DISPLAY=:0 glmark2-es2
>>>>> glmark2 Score: 212
>>>>>
>>>>> $ DISPLAY=:0 glmark2-es2 --fullscreen
>>>>> glmark2 Score: 229
>>>>
>>>> The results for HARD fp:
>>>>
>>>>
>>>> $ DISPLAY=:0 glxgears
>>>> 107 frames in 5.0 seconds = 21.395 FPS
>>>>
>>>> $ DISPLAY=:0 es2gears_x11
>>>> 1451 frames in 5.0 seconds = 290.200 FPS
>>>>
>>>> $ DISPLAY=:0 glmark2-es2
>>>> glmark2 Score: 213
>>>>
>>>> $ DISPLAY=:0 glmark2-es2 --fullscreen
>>>> glmark2 Score: 228
>>>>
>>> so hardfp brings lower results than softfp ... interesting ;-)
>>
>> I took only measure. One time. I haven't calculated the standard
>> deviation or error from measures.
>>
>> I would say the results is just "equal".
>>
>> And, I'm not sure how much hfp and sfp impacts the result of a task
>> executed mainly by hardware (gpu).
>>
>>
>> Do you think, by the results, that there is still any bug?
>>
> on the GPU point of view no.

Great, the most important question I need to answer is "is that working".
>
> I find interesting that the hardfp gives lower results than the
> softfp : maybe that would be interesting to have true real life
> benchmarks on this side (not GPU centric) before defaulting hardfp in
> meta-fsl-arm for i.MX6 platforms.

With some time/test we can decide "which is the best"

Nice ;-)


>
> Eric
>


-- 
Daiane




More information about the meta-freescale mailing list