Changeset 3269 in /cluster/svnroot


Ignore:
Timestamp:
Jun 26, 2011 10:11:05 PM (9 years ago)
Author:
skylar
Message:

adding top so people can see processes

File:
1 edited

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  • bccd-ng/text/intro_parallel_2011/slides.tex

    r3268 r3269  
    173173  \begin{itemize}
    174174   
    175   \item \texttt{\$ cd \$HOME/GalaxSee}
    176   \item \texttt{\$ module purge \&\& module load mpich2}
    177   \item \texttt{\$ make}
    178   \item \texttt{\$ time mpirun -np 1 \$HOME/GalaxSee 500 400 5000}
    179   \item \texttt{\$ time mpirun -np 2 \$HOME/GalaxSee 500 400 5000}
     175  \item In one terminal window, run \texttt{top}
     176  \item In the other terminal window -
     177    \subitem \texttt{\$ cd \$HOME/GalaxSee}
     178    \subitem \texttt{\$ module purge \&\& module load mpich2}
     179    \subitem \texttt{\$ make}
     180    \subitem \texttt{\$ time mpirun -np 1 \$HOME/GalaxSee 500 400 5000}
     181    \subitem \texttt{\$ time mpirun -np 2 \$HOME/GalaxSee 500 400 5000}
     182  \item Notice the number of GalaxSee processes running in the top window
    180183  \item You might not see speedup in VMware, because of virtualization overhead.
    181184
     
    193196    \subitem \texttt{/tmp/\$(hostname -s)-\$(whoami)/GalaxSee \textbackslash}
    194197    \subitem \texttt{500 400 5000}
     198  \item Notice that not all your processes are shown in the local top window.
    195199  \item Once again, speedup is limited by virtualization.
    196200   
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