[daip] Workstation Advice

[Wes Young]

In general the more memory you have the better. More memory means  
less swapping, which is fewer disk accesses which is better response.  
I have found that my old (>4 years) slow machines tend to be quite  
adequate as long as I've max'd out the memory.

wes
wyoung at aoc.nrao.edu


On 10 Sep 2006, at 13:38, Eric Greisen wrote:

> Liz Humphreys writes:
>> We are looking to buy a new computer for AIPS processing
>> in which we'll be using IMAGR for cubes 8192 sq. x 512.
>>
>> We don't know whether it would be optimal to have more memory,
>> and slower processors, or vice-versa. Is it better to have
>> 4 GB RAM and faster FSB w/ 20% slower processor than the reverse?
>> (2 x 3 GHz dual core processors 1333 FSB rather than 2 x 3.7 GHz dual
>> processors 1066 FSB)
>>
>
> At present aips does not dircetly use a ton of memory but the disk I/O
> system does use spare ram to buffer the I/O which will be your main
> issue.  Faster buses and disks (SCSCI) will be most important.  In the
> future, aips may make more use of ram but not for a while yet.
>
> Beyonf that I have no strong opinion - Pat, Wes??
>
> Eric Greisen
>
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