On Wed, Aug 20, 2014 at 4:31 PM, Jed Brown <[email protected]> wrote:
> Barry Smith <[email protected]> writes: > > My statement is based on experience, not models. I stand by it and > > yes it can be factors of that magnitude. Now one could argue 3 > > times faster so what, but if you are doing this solve millions of > > times and it is the most time consuming part of the simulation (by > > far) then it adds up. > > Here is one comparison: > > http://dx.doi.org/10.1103/PhysRevE.88.063308 > Can you understand the scaling plots in that thing? And they make no attempt at modeling. These kind of paper may help a small segment of people running that exact problem on a similar architecture, but they really do not help sort this out. Matt -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener
