Beowulf Cluster Help

Data that travels over the air and how to protect (or decipher) it

Beowulf Cluster Help

Post by Aloneness on Sun Mar 06, 2011 11:21 am
([msg=54723]see Beowulf Cluster Help[/msg])

Hey, I'm working on a Beowulf Cluster for a class project, and we are using PelicanHPC for the OS ... anyhow the problem is, is we are trying to find a way to show the technologically impaired people that will be judging this project and currently we are trying to use srry i'm in a hurry

mpirun -np # octave -q --eval "kernal_example (2000, true)"

They say to set # at +1 of the number of cores you have ... however when i'm running/unplugging computers the number stays the same which doesn't make since ie: (these where all done with the same # of computers ( 3 computers 4 cores))

ser@pel1:~$ mpirun -np 3 octave -q --eval "kernel_example(2000,true)"
Just received fits for points 1 though 1000 out of 2000
Just received fits for points 1001 though 2000 out of 2000
Just received fits for points 1 though 1000 out of 2000
Just received fits for points 1001 though 2000 out of 2000
Just received fits for points 1 though 200 out of 400
Just received fits for points 201 though 400 out of 400
time for kernel regression example using 2000 data points on 3 nodes:
6.445394
time for kernel density example using 2000 data points on 3 nodes:
5.064756
time for bivariate kernel density example using 2000 data points on 3
nodes: 0.311769
==========================================================================


user@pel1:~$ mpirun -np 2 octave -q --eval "kernel_example(2000,true,
true)"
Just received fits for points 1 though 2000 out of 2000
Just received fits for points 1 though 2000 out of 2000
Just received fits for points 1 though 400 out of 400
time for kernel regression example using 2000 data points on 2 nodes:
7.768675
time for kernel density example using 2000 data points on 2 nodes:
7.539565
time for bivariate kernel density example using 2000 data points on 2
nodes: 0.519606
==========================================================================


user@pel1:~$ mpirun -np 9 octave -q --eval "kernel_example(2000,true,
true)"
Just received fits for points 1 though 2000 out of 2000
Just received fits for points 1 though 2000 out of 2000
Just received fits for points 1 though 400 out of 400
time for kernel regression example using 2000 data points on 2 nodes:
4.768675
time for kernel density example using 2000 data points on 2 nodes:
4.539565
time for bivariate kernel density example using 2000 data points on 2
nodes: 0.419606
Aloneness
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