svn commit: r274739 - head/sys/mips/conf
Dag-Erling Smørgrav
des at des.no
Tue Nov 25 08:46:43 UTC 2014
"Poul-Henning Kamp" <phk at phk.freebsd.dk> writes:
> Warner Losh <imp at bsdimp.com> writes:
> > What's the minimum specs required for get_cyclecount()?
> In randomness context: That there exists a complex and unpredictable
> cache-hierarchy which makes the exact number of cycles for any one
> instruction pseudo-random.
No. It just needs to be monotonic across cores and have reasonably high
resolution.
DES
--
Dag-Erling Smørgrav - des at des.no
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