Performance Model of ZPL

Rules of Operation (continued)

<##[I1, I2] -- Permutation

•(Potential) all-to-all processors communication to distribute routing information implied by I1, I2

•(Potential) all-to-all processors communication to route the elements of A

•

•Full information on all of ZPL in Chapter 8 of ZPL Programmer’s Guide

•“What you see is what you get” performance model … large performance features visible

ZPL is only parallel language with performance model