[Scip] how to run using FiberSCIP?

Gerald Gamrath gamrath at zib.de
Fri Sep 20 22:44:45 CEST 2013


Hi George,

the PARASCIP compile flag is only used to compile SCIP threadsafe. If 
you want to use FiberSCIP you need to compile the ug framework supplied 
with the SCIP optimization suite (FiberSCIP is the ug framework applied 
to SCIP on a shared memory machine). From the main directory, run "make 
PARASCIP=true ug"; the FiberSCIP binary is than located in 
"ug-0.7.1/bin/fscip".

Best,
Gerald


Am 20.09.2013 21:20, schrieb George Nychis:
> Hi,
>
> I have a quad core machine and I would like to run SCIP using all 4 
> cores using the recent FiberSCIP work.  I have scip opt suite 3.0.1 
> and built from the main directory using "make PARASCIP=true"
>
> I didn't find any documentation on how exactly things should work 
> there forward (e.g., are flags needed?).  But it appears that only one 
> of my cores is being used, and the process manager suggested there was 
> only 1 thread from scip:
>
> Inline image 1
>
> Does anyone know how I can trigger FiberSCIP to split the work across 
> the cores?
>
> Thanks!
> George
>
>
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> Scip at zib.de
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