Subject: maxima is more than 500 times slower than maple
From: Valery Pipin
Date: Wed, 24 Apr 2013 09:20:20 -0700
Hi!
I guess you were running it on something like clisp compiled maxima.
I'm using sbcl (on linux laptop 2.9GHz)
I attached the result of
maxima -b test_of_lorentz_structure.mac > test.batch
Maxima 5.29.1 http://maxima.sourceforge.net
using Lisp SBCL 1.1.4
Distributed under the GNU Public License. See the file COPYING.
Dedicated to the memory of William Schelter.
The function bug_report() provides bug reporting information.
(%i1) build_info();
(%o1)
Maxima version: "5.29.1"
Maxima build date: "2013-02-03 11:53:28"
Host type: "x86_64-mageia-linux-gnu"
Lisp implementation type: "SBCL"
Lisp implementation version: "1.1.4"
(%i2)
Greetings!
V
> Hello, list. I have to verify the Lorentz structure of some quantity.
> I wrote a wxmaxima program to do this. The program was running about
> 20 hours, but gave no answer, so i just killed it.
>
> In laboratory i have access to the maple. The SAME program written on
> maple gave answer in 1.5 minutes.
>
> I have written a test subroutine to compare evaluation time on both
> systems, see (%i 19) maxima cell and next to last maple cell.
>
> Maple takes about 0.5 seconds to run the cell, while maxima takes
> about 250 seconds to do the same (the outputs are the same, so there
> is no mistake here).
>
> The wxmaxima and maple files are attached.
> So, what is going on here, why maxima is so slow?
>
>
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