An optimized GPU implementation of the HPG-MxP benchmark achieves a 1.6x speedup with mixed single-double precision GMRES on Frontier, with a full-system run at 17.23 petaflops.
Scaling Algebraic Multigrid Solvers: On the Road to Exascale
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Scaling the memory wall using mixed-precision -- HPG-MxP on an exascale machine
An optimized GPU implementation of the HPG-MxP benchmark achieves a 1.6x speedup with mixed single-double precision GMRES on Frontier, with a full-system run at 17.23 petaflops.