cpghost wrote:
On Fri, Nov 25, 2005 at 07:45:03AM +0100, Markus Trippelsdorf wrote:
Yes, I guess it increases performance on a high throughput webserver or
router that uses polling. But on the Desktop it only increases the
overhead without any benefits at all. 2000 interrupts per second per core
for the timer is a ridiculous high number and I reduce it simply for
aesthetic reasons.
The default settings try to give a 1-millisecond timing granularity, which
seems to work pretty well on Pentium-grade and above hardware. Desktop tasks
now include soft realtime work like displaying video clips, and obviously
realtime 3D games benefit from it HZ=1000.
I'm also wondering wether 1000 Hz on a Soekris net4801 (Geode 266 MHz)
won't be overkill. I'm planning to migrate some of them from 5.4 to 6.0,
and doubting wether to change the new default to its more conservative
previous setting of 100 Hz.
For what it's worth, I have kern.hz="200" in /boot/loader.conf on an EPIA-M6000
running 6.0-STABLE...
--
-Chuck
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