On Feb 5, 2014, at 2:05 PM, Jed Brown <[email protected]> wrote: > Klaus Zimmermann <[email protected]> writes: >> Isn’t that a bit pessimistic? After all there is the out-of-core >> facility with mumps. > > I'll just note that out-of-core as an algorithmic device is dead on most > HPC machines.
But what about a non-HPC machine? Not everyone has huge machines but how about a well-endowed server quality workstation setup with the best disks available? Put as much physical memory as possible and then use the disks for out of core. Barry > There are a few machines with fast local SSD, but the > majority of HPC machines need about an hour to write the contents of > memory to disk. You can get more memory by running on more cores up to > the entire machine. If that's not enough, current computing awards > (e.g,, INCITE) are not large enough to store to disk at full-machine > scale more than a few times per year.
