[R] how to make R faster under GNU/Linux

Martyn Plummer plummer at iarc.fr
Mon Jun 20 18:14:50 CEST 2005


On Mon, 2005-06-20 at 08:29 -0400, bogdan romocea wrote:
> Dear useRs,
> 
> I timed the same code (simulation with for loops) on the same box
> (dual Xeon EM64T, 1.5 Gb RAM) under 3 OSs and was surprised by the
> results:
>   Windows XP Pro (32-bit): Time difference of 5.966667 mins
>   64-bit GNU/Linux (Fedora Core 4): Time difference of 6.966667 mins
>   32-bit GNU/Linux (FC4): Time difference of 9.2 mins
> (R 2.1.0 binaries downloaded from CRAN)
> 
> I searched the archives and found out I should compile a non-SHLIB R
> binary. Is there something else I should pay attention to when trying
> to make R faster under GNU/Linux?

On Fedora Core 4, try using gcc 3.4.4 (which you must install from
source) instead of the default gcc 4.0.0.

Martyn

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