[Scip] multi-threading disabled for cplex?

[Noseong Park]

Thanks, Benny. I did misunderstood in the opposite way. Thanks for your
email.

2015년 8월 7일 금요일, Benjamin Müller<benjamin.mueller at zib.de>님이 작성한 메시지:

> Hi Noseong,
>
> I guess you have misunderstood the code:
>
>    case SCIP_LPPAR_THREADS:
> #if (CPX_VERSION == 1100 || (CPX_VERSION == 1220 && (CPX_SUBVERSION == 0
> || CPX_SUBVERSION == 2)))
>       /* Due to CPLEX bug, we always set the thread count to 1. In order
> to fulfill an assert in lp.c, we have to
>        * store the value set by SCIP and return it later instead of the
> real thread count */
>       lpi->pseudonthreads = ival;
>       ival = 1;
> #else
>       ival = MIN(ival, CPX_INT_MAX);
> #endif
>       setIntParam(lpi, CPX_PARAM_THREADS, ival);
>
>
> The multi-threading feature is disabled for (CPX_VERSION == 1100 ||
> (CPX_VERSION == 1220 && (CPX_SUBVERSION == 0 || CPX_SUBVERSION == 2))).
>
>
> Best,
>
> Benny
>
> On 08/06/2015 09:20 PM, Noseong Park wrote:
>
> Hi All,
> I have seen that multithreading is enabled for cplex only if (CPX_VERSION
> == 1100 || (CPX_VERSION == 1220 && (CPX_SUBVERSION == 0 || CPX_SUBVERSION
> == 2))). Is it a bad idea to enable it manually for cplex 12.6 whose
> CPX_VERSION value is 12060000?
>
> By the way, CPX_VERSION = 1100 or 1220 sounds like a very old version of
> cplex. Is 1100 (or 1220) a typo?
>
> Best,
> Noseong
> *Noseong Park*
>
>
> *Ph.D. Student **Department of **Computer Science -*
> *University of Maryland **Laboratory for Computational Cultural Dynamics*
>
> *http://www.cs.umd.edu/~npark <http://www.cs.umd.edu/%7Enpark>*
>
>
>
>
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>
> --
> ______________________________
> Benjamin Müller
> Zuse Institute Berlin
> Takustr. 7, 14195 Berlinbenjamin.mueller at zib.de <javascript:_e(%7B%7D,'cvml','benjamin.mueller at zib.de');>
> +49 30 841 85-195
>
>

-- 
*Noseong Park*


*Ph.D. Student**Department of **Computer Science -*
*University of Maryland**Laboratory for Computational Cultural Dynamics*

*http://www.cs.umd.edu/~npark <http://www.cs.umd.edu/~npark>*
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