Re: [R] [Way OT] New hardware

From: Martin Maechler <maechler_at_stat.math.ethz.ch>
Date: Wed 26 Jul 2006 - 16:50:38 EST

>>>>> "Sean" == Sean Davis <sdavis2@mail.nih.gov>
>>>>> on Tue, 25 Jul 2006 17:16:02 -0400 writes:

    Sean> Can anyone share experience with opteron versus the
    Sean> xeon (woodcrest) for R under linux?  I am looking at
    Sean> using 16-32Gb of ram in a workstation (as opposed to a
    Sean> server).

Hmm, not that I'd be an expert...
If you want to use so much RAM you want to use a 64-bit architecture and software (OS, libraries, compilers,...), right? AFAIK, that's been known to work well with Opterons and different flavors of Linuxen (e.g. we have dual
Opterons, one with Redhat Enterprise and two with Ubuntu 6.06).

Now I read that there are 64-bit Xeons with "EMT64" (which is said to be Intel's emulation of AMD64), so in principle the same versions of Linux and R should run there as well. Since I haven't heard of any success stories I'm interested as well, in reports from R users.

Martin Maechler, ETH Zurich



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