HTT and SMP question

Pete French petefrench at keithprowse.com
Tue Apr 20 06:48:29 PDT 2004


> Would you please point out some cases when HTT with machdep.hlt_logical_cpus=0
> causes worse performance than machdep.hlt_logical_cpus=1?

Doing a large 'make' does it for me - small difference, but measurable.
I get the best poerformance by compiling out SMP alltogether though.
As my machine spends most of its time doing 'make' then for me it's worth
removing it entirely (aside from the fact that my machine isnt stable
under HTT)

-pcf.


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