running Fortran code on Linux

James Knott james.knott-bJEeYj9oJeDQT0dZR+AlfA at public.gmane.org
Fri May 13 11:42:31 UTC 2005


Walter Dnes wrote:
> On Thu, May 12, 2005 at 07:26:35AM -0400, James Knott wrote
> 
>>Walter Dnes wrote:
>>  It would take a bit of analysis to decide where your bottleneck is.
>>
>>>If it's CPU bound, a faster CPU would help.  If it's disk access, get
>>>more memory to cut down on swapping and consider moving temp files to
>>>/dev/shm to reduce disk access.
>>>
>>
>>What's /dev/shm?
> 
> 
>   Think of it as a dynamic ramdisk.  It only uses memory when it's
> actually required.  Check your /etc/fstab and you should see an entry
> there, unless it's an older distro.
> 

It's not mentioned in my fstab (SuSE 9.2), but it does exist.  The only 
thing currently in it, is "Desktop", last written on Apr 24.  It's owned 
by root.

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