[Beowulf] Definition of HPC

Hearns, John john.hearns at mclaren.com
Thu Apr 18 10:07:19 PDT 2013


> cluster and build my own storage at home, so I can do research without 
> constantly having day or more delays in trying to flush a cache or do 
> something similarly simple but requiring of root.


As an aside, a normal user can trigger a drop of the caches before the start of a job.
If you have looked into it,  sudo echo 3 > /proc/sys/vm/drop_caches is well nigh impossible.
But you can run an suid  C program which does effectively the same job.


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