CCL: W:hardware for computational chemistry calculations
- From: Bill Ross <ross^cgl.ucsf.edu>
- Subject: CCL: W:hardware for computational chemistry
calculations
- Date: Sat, 1 Oct 2005 11:02:21 -0700 (PDT)
Sent to CCL by: Bill Ross [ross|-|cgl.ucsf.edu]
> With time, for most problems,
> the needle points more and more often towards "get more RAM" than
"get
> a faster disk". The obvious exception is stuff where getting things
> onto disk is mandatory (database servers), and where your working set
> is so large (right now past, say, 16G, soon much larger) that it is
> literally not going to be practical to get a machine with that much
> memory. Below that size, you owe it to yourself to do the calculation...
I wonder if it's worth factoring in the power cost - don't know if
disk speed costs more power for the speedup than increased memory.
Bill Ross