Memory allocation performance
rwatson at FreeBSD.org
Sat Feb 2 15:17:53 PST 2008
On Sun, 3 Feb 2008, Alexander Motin wrote:
> Robert Watson wrote:
>> Basically, the goal would be to make the pcpu cache FIFO as much as
>> possible as that maximizes the chances that the newly allocated object
>> already has lines in the cache.
> Why FIFO? I think LIFO (stack) should be better for this goal as the last
> freed object has more chances to be still present in cache.
Sorry, brain-o -- indeed, as I described, LIFO, rather than as a I wrote. :-)
Robert N M Watson
University of Cambridge
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