On 06/14/04 02:24, Luigi Rizzo wrote: > On Mon, Jun 14, 2004 at 01:36:58AM +0300, Ruslan Ermilov wrote: >> On Sun, Jun 13, 2004 at 04:07:13PM -0500, Jon Noack wrote: >>> On 06/13/04 13:13, Ruslan Ermilov wrote: >>>> On Sun, Jun 13, 2004 at 01:07:28PM -0500, Jon Noack wrote: >>>>> I just tested this on my SMP all-in-one home server (Web, >>>>> Mail, > ... >> Bump HZ. If you were using the 64-bit PCI I'd say bump it to 5000, >> but since you're using 32-bit PCI, bumping it that high just >> doesn't make sense, so raise it up to 2000-3000. >> >> Set kern.polling.idle_poll=1. > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > this is the part that cannot possibly work with SMP, > and that seems to have problem with current even on !SMP Well, in limited testing it doesn't seem to have any effect. After a lot of tweaking, polling on my SMP box appears to lower throughput by ~50Mbps (~370 down to ~320). It does improve performance on my single-processor machines, though. Again, if I have more time I'll give the netperf patches a shot. JonReceived on Mon Jun 14 2004 - 05:56:55 UTC
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