[petsc-users] Choosing VecScatter Method in Matrix-Vector Product

Wed Jan 22 11:03:08 CST 2020

On , 2020Jan22, at 09:11, Felix Huber <st107539 at stud.uni-stuttgart.de<mailto:st107539 at stud.uni-stuttgart.de>> wrote:

weak scaling behaviour in a CG solver

Norms and inner products have Log(P) complexity, so you’ll never get perfect weak scaling.

Victor.

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