Victor Eijkhout <[email protected]> writes:

> Right. "Important to many applications" but no references or even names given.

I would have asked 

> So, in what important applications do the communication patterns change 
> frequently?

Self-contact, AMR, immersed boundary, particles with non-uniform density
(e.g., NAMD and other applications using Charm++), some matrix
partitioning methods, operations like matrix-matrix multiplication using
matrices that change somehow, including coarse grids of algebraic
multigrid that are affected by thresholding, to name a few.

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