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Re: [Help-glpk] Performance of GLPK-4.4 vs. GLPK3.2.3

From: cgi2
Subject: Re: [Help-glpk] Performance of GLPK-4.4 vs. GLPK3.2.3
Date: Thu, 04 Mar 2004 10:15:46 -0800

On Mon, 1 Mar 2004 11:57:38 -0500 
Ciyou Zhu <address@hidden> wrote:
>Any one has any performance comparisons of GLPK-4.4 vs. its earlier
>versions, say GLPK-3.2.3 ?
>On my test set of 41 problems(ranging from small toy problems up to 600
>rows/300,000 columns), I found GLKP-4.4 is usually slower, especially on
>some more difficult problems.  (See attached.)  Moreover, it also uses a few
>more percent of memory.
>Any explanations and/or different observations?
>Ciyou Zhu

I've compared version 4.0 with 4.4 for my specific problems and found 4.4 to be 
much faster when writing a big problem
(I use the JNI) but slightly slower in solution.
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