Re: Hugin ignoring the number of processors settings?

On 06/17/2012 10:51 PM, Harry van der Wolf wrote:
> Hi,
>
> 2012/6/18 Gnome Nomad <gnomenomad <at> gmail.com <mailto:gnomenomad <at> gmail.com>>
>
>     Hugin version 2011.4.0.cf9be9344356 on Debian Sid 64-bit running on
>     AMD Phenom II 4-core processor. Previous version of hugin used
>     multiple cores for cpfind without me setting anything about number
>     of processors to use. This version set itself to use only 1
>     processor. I edited preferences and set number of processors to 4.
>     Closed Hugin, restarted it, the # of processors value is still 4,
>     but it's still only using 1 processor when running CPfind (can see
>     this in HTOP).
>
>     Makes thing a lot slower than they used to be!
>
>     Other programs that use multiple cores (such as Rawtherapee) use all
>     four cores (even hyperthreading on most of them).
>
>     Is this Hugin or CPFind's issue?
>
>
> What happens if you specify the "-n <int>" or "--ncores <int>" in the
> cpfind parameters in Preferences->CP detectors?

CPFind uses all 4 cores.

> cpfind should normally design automatically how much processes to use
> but maybe this automatic feature is not good enough.

It used to be. I never had to set the number of cores before, it just 
used them.

> I don't know whether the hugin parameter is promoted to cpfind or any
> other (possibily exotic) CP detector.

I don't know, I only use CPFind now.

linefind only seems to use 1 core, too, I'd think it could be able to 
use 4 cores, since it's also analyzing a single image at a time?

-- 
Gnome Nomad
gnomenomad <at> gmail.com
wandering the landscape of god
http://www.clanjones.org/david/
http://dancing-treefrog.deviantart.com/
http://www.cafepress.com/otherend/

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