Date: Mon, 04 Apr 2005 16:09:09 -0700 From: John Pettitt <jpp@cloudview.com> To: cpghost@cordula.ws Cc: freebsd-questions <freebsd-questions@freebsd.org> Subject: Re: HZ=1000 ? Message-ID: <4251C915.1000009@cloudview.com> In-Reply-To: <20050404093755.GA48928@epia2.farid-hajji.net> References: <20050404091719.GA9748@lothlorien.nagual.st> <20050404093755.GA48928@epia2.farid-hajji.net>
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cpghost@cordula.ws wrote: > >Interestingly, HZ=100 has remained constant for decades (!), despite >CPUs getting faster all the time. This is an excellent value for most >typical usage patterns. Cranking it up should only be required for >special cases. Anyway, the HZ knob is there. Experiment with it until >you get optimal performance. > > > > > > In the dim and distant past (like 1983) some systems used HZ=50 or HZ=60 depending on where in the world they were. I used an MP/M based box that took it's clock tick from the power line (no good RTC hardware available but the power company keeps pretty good time). John
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