[TriLUG] Questions about Threading

[John F Davis]

http://www.sun.com/servers/highend/sunfire15k/
up to 106 cpu's in a production model.


http://www.sun.com/smi/Press/sunflash/9711/sunflash.971119.2.html
Read below for 256.
                                                                            
 The Top 500 list of the world's most powerful computer systems has been    
 compiled twice a year since June 1993 with the help of HPC experts,        
 computational scientists, manufacturers, and the Internet community in     
 general, who responded to a questionnaire. Computers are ranked by their   
 results for the Linpack Benchmark, a widely used metric emphasizing        
 floating point performance. Sun recently demonstrated 100.4 gigaflop/s for 
 the Linpack Highly Parallel Computing version of the benchmark with a 256  
 CPU, four-node cluster, proving the ability of the Sun? HPC servers to     
 provide leading price/performance and scalability while achieving          
 exceptional efficiency.                                                    
                                                                            



You gonna buy one?   BTW, you still selling iguana's?  My kid needs one.

JD


"Chris Hedemark" <chris at yonderway.com>@trilug.org on 03/27/2002 07:51:47 AM

Please respond to trilug at trilug.org

Sent by:    trilug-admin at trilug.org


To:    <trilug at trilug.org>
cc:
Subject:    Re: [TriLUG] Questions about Threading



John,

The biggest Sun I know of now is the Sun Fire 15K
(http://www.sun.com/servers/highend/sunfire15k/)

The infamous E10K "only" scales to 64 processors.

If they had a 256 CPU machine I'd love to hear more about it.

CJH

JD writes:
> I stand corrected on the number of intel cpu's in a box.  After I saw the
> bit about 16 cpu's, I went and asked one of my colleagues.  He said he
had
> heard of boxes supporting more than 4 but he didn't know the upper limit.
> He said 8 or 16 maybe the upper limit.  However, what is the upper limit
> for Sun boxes? I'm pretty sure they shipped some 256 cpu monsters and
that
> is the point about their more complex (slower)  threads.  They are slower
> (compared to linux)  on boxes with a few cpu's, but with many cpu's they
> scream.


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