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Re: [Help-glpk] interrupt glpk using JNI

From: Andrew Makhorin
Subject: Re: [Help-glpk] interrupt glpk using JNI
Date: Wed, 19 Apr 2006 22:08:30 +0400

> I am using GLPK JNI for my problem. For the small instances it's ok
>  since the solver doesn't take much time to solve. But sometimes
>  when the instances are large GLPK takes few minutes to solve the
>  instance. Now what if the user wants to interrupt the solver and
>  not continue the solution process. I have tried to find out how to
>  stop the solver while it is still running but no luck. I have tried
>  to stop the java thread that starts GLPK solver native thread but it
>  didn't help. Is there any API call or any specific method to interrupt
>  the solver? I would highly appreciate any help.

You can limit the solution time. I'm not sure about jni (since never
used it); however, in c this can be attained by the following call:

   lpx_set_real_parm(prob, LPX_K_TMLIM, tmlim);

where tmlim is the time limit, in secs, of double type.

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