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Re: [Help-glpk] Multi-thread questions

From: Meketon, Marc
Subject: Re: [Help-glpk] Multi-thread questions
Date: Fri, 11 Oct 2013 06:54:25 -0500

One easy form of parallelization involves using "glpsol" (the command-line 
version of GLPK) instead of calling the API.  Have the controlling program 
launch multiple "system" windows that execute glpsol.  That way each run 
maintains its own memory space.

-----Original Message-----
From: address@hidden [mailto:address@hidden On Behalf Of Paolo Bolzoni
Sent: Friday, October 11, 2013 7:31 AM
To: address@hidden
Subject: [Help-glpk] Multi-thread questions

Dear list,
the Reference Manual of Version 4.38 states that GLPK routines are 
non-reentrant and so they cannot be used in multi-thread programs.

I was wondering, it is at least possible to solve two different problems in two 
different threads?

In my scenario, I have many linear problems and I have to find the one with the 
maximum solution. Parallelism is easy for this scenario since there is nothing 
to share, just find the best.

I read there are previous email in this list about multi-thread safety, but 
they are fairly old. So I prefer to send a new one. Thanks.

Yours faithfully,

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