[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





More information about the Radiance-general mailing list