[R] R enterprise for linux

Ernest Adrogué nfdisco at gmail.com
Mon Feb 6 16:15:13 CET 2012

 6-02-2012, 06:29 (-0800); Alaios escriu:
> Actually, I would like to speed up matrix multiplication
> which is really too slow.
> MatrixA %*% MatrixB (each one is a [128,128] table) is running four hours now... and just imagine that I want to calculate many of those.

It doesn't seem normal to me... in my computer such a multiplication
takes a fraction of a second:

system.time(array(rnorm(128*128), c(128,128)) %*%
            array(rnorm(128*128), c(128,128)))
   user  system elapsed 
  0.008   0.000   0.006 

Am I missing something?


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