Le 02/07/2014 19:51, clipka nous fit lire :
> Am 02.07.2014 19:25, schrieb Le_Forgeron:
>> Le 02/07/2014 19:22, clipka nous fit lire :
>>> Am 02.07.2014 18:44, schrieb Le_Forgeron:
>>>
>>>> Yes. Compile, link, run.
>>>>
>>>> * make check : ok for the 3 (g++, icpc, clang++)
>>>>
>>>> Yet, it seems gcc (only) is too fast on benchmark. (4 seconds on 12
>>>> threads)
>>>>
>>>> Rendering benchmark gives the attached pictures (the icpc seems ok,
>>>> within usual time, but gcc is bogus and too fast, far too fast)
>>>
>>> Did you do a clean build for the gcc version? Maybe one of the earlier
>>> builds left some crap behind.
>>>
>>> If the bug persists even with a clean build, please open a new issue on
>>> GitHub, as we're no longer talking about build problems now.
>>>
>> I rebuilt it two times. So the issue is on its way. :-)
> 
> From what you wrote earlier, I take it that the biscuits scene renders
> fine.
> 
> Can you narrow down which feature causes the problems in the benchmark
> scene? Photons? Media? Radiosity?
> 
> It would also be helpful if you could figure out which version was the
> last one that compiled & rendered ok. (If the one after that still
> compiled ok, but rendered bogus, that would also be useful to know.)
> 
It might be a long road.
I just went back to compile 3.7-stable with gcc and the image of
benchmark is even a bit different from the one at head with icpc.

There is a change in the clouds, basically the same place and
shape...but some holes...



-- 
IQ of crossposters with FU: 100 / (number of groups)
IQ of crossposters without FU: 100 / (1 + number of groups)
IQ of multiposters: 100 / ( (number of groups) * (number of groups))

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