[Radiance-general] running radiance on multiple cores
Randolph M. Fritz
RFritz at lbl.gov
Wed May 23 13:54:22 PDT 2012
On 2012-05-23 16:15:36 +0000, Greg Ward said:
> Some people have complained about misplaced or incomplete tiles using
> rpiece, but I haven't been able to reproduce or find the problem.
The problem seems--I say cautiously--to occur on Linux systems and not
BSD systems. I think I'm going to run a test.
Randolph
> As for varying tile brightness, this is usually caused by forgetting to
> specify an ambient file (rad AMBFILE variable), causing redundant and
> wasteful as well as inconsistent calculations.
>
> -Greg
>
>> From: "Giovanni Betti"
>> <gbetti at fosterandpartners.com>
>> Date: May 23, 2012 8:50:40 AM PDT
>>
>> Dear List,
>>
>> I am running into some issues while running radiance on multiple cores.
>> I have radiance running on a Linux virtual machine and I am using the
>> rad –N option.
>> Sometimes though, I happen to notice in the final image tiles of
>> varying brightness or even misplaced tiles.
>> I thought it had to do with poor synchronization because of reading and
>> writing on the network, but it seem to happen also when I have all the
>> files on my local drive.
>> Has anyone run into a similar problem and/or knows a solution for it?
>>
>> Thanks in advance,
>>
>> Giovanni
--
Randolph M. Fritz
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