On Jan 3, 2014, at 7:16 AM, Jed Brown <[email protected]> wrote: > Also, you > can't implement an efficient setup for your communication pattern > without richer semantics, see PetscCommBuildTwoSided_Ibarrier and the paper > > http://unixer.de/publications/img/hoefler-dsde-protocols.pdf
So I started reading this and came across the bottom of page 2: > Not all applications change communication patterns frequently. The static > version of the SDE has been analyzed in previous works and possible > optimizations are well documented (e.g., [3, 4]). How- ever, the dynamic > variant, which is important to many irregular applications, received less > attention so far. Right. "Important to many applications" but no references or even names given. So, in what important applications do the communication patterns change frequently? Victor. -- Victor Eijkhout, 512 471 5809 (w) Texas Advanced Computing Center, The University of Texas at Austin
