Cactus Code Thorn MemSpeed
Author(s)    : Erik Schnetter <eschnetter@perimeterinstitute.ca>
Maintainer(s): Erik Schnetter <eschnetter@perimeterinstitute.ca>
Licence      : LGPL
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1. Purpose

Determine the speed of the CPU, as well as latencies and bandwidths of
caches and main memory. These provides ideal, but real-world values
against which the performance of other routines can be compared.
