Deliberate vs. Intuitive CPU Affinity Brings PGO-like Performance Benefits

[Mark E. Dawson, Jr.]

As a benchmark tool, I use a slightly modified version of Martin Thompson's InterThreadLatency code from the Aug 9 2011 article of his Mechanical Sympathy blog (and yes, he is credited and his article is linked in the writeup):

https://www.jabperf.com/cpu-affinity-because-even-a-single-chip-is-nonuniform/