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In terms of nstlim and dt, would that be:
ps per day = (nstlim * dt)/(total time of job in seconds/86400)
I ask because this contradicts the posting from 2005 and my usage of
nstlim and dt could be wrong.
Thank you.
Steven Winfield wrote:
> Hello
>
> How about:
>
> (Number of picoseconds your simulation ran for) / (Number of days
> it took to run)
>
> Steve :-)
>
> Andrew Ring wrote: Hello All,
>
> Could someone provide a simple equation for calculating ps/day from
> benchmark results. I am failing to understand the two
> explanations I have located.
>
> One post from 2005
> (http://amber.ch.ic.ac.uk/archive/200508/0205.html) on the Amber
> mailing list contains the equation: ps per day = total_time *
> nstlim * dt / 86400 This equation gives me numbers which are
> unreasonably low and vary directly with total process time (higher
> wall time results in higher ps/day).
>
> Unfortunately, I am missing something important to understanding
> the explanation at (http://amber.ch.ic.ac.uk/amber8.bench1.html):
> The value of ps per day = 86.4/(seconds per step), for a time step
> of 1 fs. Double this value if you plan to use 2 fs time steps.
>
> Thank you, Andrew Ring
>>
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Received on Sun Feb 03 2008 - 06:07:20 PST
