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Re: select/poll optimization
On Fri, Mar 21, 2008 at 03:53:28PM +0000, Andrew Doran wrote:
> On Fri, Mar 21, 2008 at 07:56:53PM +0900, YAMAMOTO Takashi wrote:
> > > On Thu, Feb 28, 2008 at 03:00:44PM +0000, Mindaugas Rasiukevicius wrote:
> > >
> > > > As discussed with Andrew, here is the per-thread approach with the
> > > > array of
> > > > descriptors to store state:
> > is there any benchmark result to compare these approaches?
> Updated percpu/combined patches:
> Results from an 8-core box. The perthread patch crashed because the 'selfd'
> handling is incorrect (fixed in the combined patch). Note that the combined
> patch still also has bugs.
> percpu: 744993 / 60 = 12416.550000
> HEAD: 502141 / 60 = 8369.016667
> combined: 224090 / 60 = 3734.833333
Note, these are from running src/regress/sys/kern/select.
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