whitehole_spin: always 0?

Edward Z. Yang ezyang at MIT.EDU
Fri Jul 26 23:31:01 CEST 2013

Excerpts from Patrick Palka's message of Fri Jul 26 14:21:11 -0700 2013:
> Looks like whitehole_spin is _not_ always 0. Contention just seems to be
> really rare.

I think the paper "Parallel Generational-Copying Garbage Collection with
a Block-Structured Heap" can give some intuition on why contention is low.


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