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

From: Ciyou Zhu
Subject: [Help-glpk] Performance of GLPK-4.4 vs. GLPK3.2.3
Date: Mon, 1 Mar 2004 11:57:38 -0500

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


Attachment: comparison.txt
Description: Text document

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