[R-SIG-Mac] timer (for those who like that sort of thing)

[Jan de Leeuw]

Just for completeness, here are the MacPro timings using the R-devel
nightly from Simon's website. Hilbert is slower than with my version
of R-devel, and loess is faster (though still slower than on the G5).

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On Sep 7, 2006, at 11:54 , Jan de Leeuw wrote:

> This gives timer.R, as well as results for
>
> -- a quad G5 with 4GB RAM and R-devel compiled with vecLib and gcc-3.x
> -- a quad MacPro with 5GB RAM and R-devel compiled with vecLib and  
> gcc-4.2.0
>
> You'll see the MacPro/G5 time ratio is about 0.60, almost twice
> as fast, for the hilbert and sort tasks. For loess the MacPro is  
> slower (!!),
> but that probably is a function of the two different versions of  
> vecLib.
>
> I'll try the Intel compilers and the appropriate ATLAS (or Intel  
> MKL/IPP
> frameworks) later.
>
> <timings_MP.R>
> <timings_G5.R>
> <timer.R>
> ===
> Jan de Leeuw; Distinguished Professor and Chair, UCLA Department of  
> Statistics;
> Editor: Journal of Multivariate Analysis, Journal of Statistical  
> Software
> US mail: 8125 Math Sciences Bldg, Box 951554, Los Angeles, CA  
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==========================================================
Jan de Leeuw, 11667 Steinhoff Rd, Frazier Park, CA 93225
home phone 661-245-1725 ++++++ SkypeIn 661-347-0667
.mac: jdeleeuw +++  aim: deleeuwjan +++ skype: j_deleeuw
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