[plug] Debian x86_64 port ready

[Rob Dunne]

Chris Caston writes:
 > Hello,
 > 
 > It looks like buying 64 bit hardware is now becoming a *real* option
 > with the increasing availability of open source software.
 > 
 > This is great because most Athlon 64-bit motherboards have inbuilt
 > 1394b.
 > 
 > *drools thinking about running a lightning fast sid system on an Athlon
 > 64 with native fw800 ports*... 
 > 
 > http://lwn.net/Articles/89290/
 > 
 > regards,

we're getting one at work -- but going with Red Hat Enterprise 3.0. 
I dont follow everything in the article but the timings we have done are
below. These are on a relatively small job -- ie the 32 bit machines have
no trouble with this one.
 


time                   machine                  notes 
############################################################################
320.85                 opteron                  untreaded (but optimized ) 
                                                           blas (atlas)
213.63                 opteron                  treaded,  optimized blas
                                                yes -- but is the timing done correctly when 
                                                the program is treaded?  
###########################################################################

472.08                 2 Xeon 1.6GHz           untreaded (but optimized ) blas

473.11                                          untreaded libgoto blas
###########################################################################

4358.20                sun4u sparc               unoptimized blas
###########################################################################

3757.98535             itanium1                   unoptimized blas
694.73828                                        optimized blas (atlas)
683.75586                                         optimized blas (atlas) threaded
###########################################################################

1303.54785            itanium2                  unoptimized blas
274.85547             itanium2                  untreaded (but optimized ) 
                                                      blas (atlas) gcc
273.71875             itanium2                  RatlasIntel     intel compiler
###########################################################################

348.02                2 Xeon 2.66GHz              optimized blas (atlas)
###########################################################################

1765.5333333        alpha e6                  standard R
1777.0000000                                   blas atlas
718.1667                                       blas cxml

###########################################################################

-- 
Rob Dunne         Fax: +61 2 9325 3200     Tel: +61 2 9325 3263
CSIRO Mathematical and Information Sciences     +61 2 9325 3100
Locked Bag 17, North Ryde, New South Wales, Australia, 1670         
http://matilda.vu.edu.au/~dunne  Email: Rob.Dunne at csiro.au

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