Maxima Lapack is very slow: 7 seconds versus 0.002 seconds in Julia.
Subject: Maxima Lapack is very slow: 7 seconds versus 0.002 seconds in Julia.
From: James Cloos
Date: Sun, 06 May 2012 12:14:45 -0400
I tried playing along. I had to pass:
--lisp-options='--dynamic-space-size 2048'
to have enough heap for sbcl to compile the lapack lisp. (I didn't
determine exactly what would have been enough, but 1024 was not.)
On a 2.8 GHz amd64 box, after 135 seconds of lisp compilation,
the dgeev() call took:
Evaluation took 0.0240 seconds (0.0240 elapsed) using 2.661 MB.
-JimC
--
James Cloos <cloos at jhcloos.com> OpenPGP: 1024D/ED7DAEA6