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

From: Martyn Plummer <plummer_at_iarc.fr>
Date: Tue 21 Jun 2005 - 02:14:50 EST

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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