[R] Performance difference between 32-bit build and 64-bit bu ild on Solaris 8

Scott Gilpin sgilpin at gmail.com
Sun Jun 12 01:32:37 CEST 2005


On 6/11/05, Prof Brian Ripley <ripley at stats.ox.ac.uk> wrote:
> For the record, I timed 1000x1000 not 3000x3000 (and said so).  I was not
> proposing to spend several hours running timings at ca 2200s each, not
> least as I used a public machine with a ban on running long jobs (we have
> other much faster machines for that purpose).

My mistake. 

For the 1000x1000 problem on my system, I got the following:

32-bit
[1] 23.37  0.03 23.41  0.00  0.00
64-bit
[1] 80.99  0.02 81.03  0.00  0.00

So it looks like I've still got some work to do.  Thanks for the suggestions.




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