2009/5/7 Barney Cordoba <barney_cordoba_at_yahoo.com>: > > I just got a shiny new nehalem box and it comes up with 16 processors with dual quads installed. Is there any benefit or should hyperthreading be disabled? > Hi. There is a measurable win if hyperthreading is enabled [1]. You can switch it off via machdep.hyperthreading_enabled loader tunable. [1] http://lists.freebsd.org/pipermail/freebsd-stable/2009-January/047460.html -- wbr, pluknetReceived on Thu May 07 2009 - 00:55:19 UTC
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