On Sat, Jan 3, 2009 at 12:37 PM, Ajay Shah <ajays...@mayin.org> wrote: >> As for jit and Ra, that was immediate reaction too but I found that jit does >> not help on your example. But I concur fully with what Ben said --- use the >> tool that is appropriate for the task at hand. If your task is running for >> loops, Matlab does it faster and you have Matlab, well then you should by all >> means use Matlab. > > A good chunk of statistical computation involves loops. We are all > happy R users. I was surprised to see that we are so far from matlab > in the crucial dimension of performance.
I would disagree: only a small amount of statistical computation involves explicit loops at the R level. More importantly, the time taken for this looping is a very small fraction of the total time spent doing statistical computation. Hadley -- http://had.co.nz/ ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
