how to get the performance by using linpack in scyld beowulf?

Yoon Jae Ho yoon at bh.kyungpook.ac.kr
Sun Jul 1 22:58:20 EDT 2001


----- Original Message ----- 
From: 邹 光先 <zouguangxian at hotmail.com>
To: <beowulf at beowulf.org>
Sent: Monday, July 02, 2001 11:03 AM
Subject: how to get the performance by using linpack in scyld beowulf?


> now,i am using scyld beowulf.when i use linpack to benchmark the 
> performace of my cluster(PIII 933 ,1G Memory,41 G Harddisk,8 nodes),i find 
> that the linpack use the parameter :p=1;q=8 and i get the result:
>   N=3000 NB=60 p=1 q=4 time =14.56 Gflops=1.23

nb = 64  p=2 q=4 (or p=4 q=2) and increase the number N=3000 to  100000 step by step

then you get fast results than the 1.23 Gflops.


>  how can i change the parameter?such as p=2;q=4 or p=4;q=2?
>  is  the result correct?
>  can somebody give me some advice?
>  thank you!:)


---------------------------------------------------------------------
Yoon Jae Ho
Economist
POSCO Research Institute
 
yoon at bh.kyungpook.ac.kr
jhyoon at mail.posri.re.kr
http://ie.korea.ac.kr/~supercom/  Korea Beowulf Supercomputer
http://members.ud.com/services/teams/team.htm?id=264C68D5-CB71-429F-923D-8614F419065D     Help the people with your PC 
 
Imagination is more important than knowledge.  A. Einstein


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