[petsc-users] Fwd: direct solvers on KNL

[Jed Brown]

Matthew Knepley <knepley at gmail.com> writes:

> Admittedly it was for different computations, but we saw strong scaling
> degradation after 32 cores of KNL
> in https://arxiv.org/abs/1705.09907, 

What is "heterogeneous" about KNL?  Also, how is it an "accelerator"
(a term created by NVIDIA marketing to replace "coprocessor").
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