Re: [ovs-dev] userspace datapath performance (was: Re: Threaded userspace datapath)

2012-10-24 Thread Ben Pfaff
On Thu, Oct 11, 2012 at 01:13:44AM +0200, Luigi Rizzo wrote: > Anyways, let's see if we can find some agreement on how to > proceed with a face-to-face meeting Will you attend the ONF workday next week Tuesday in Santa Clara? It is free to all ONF members (Google is one, so that's probably good e

Re: [ovs-dev] userspace datapath performance (was: Re: Threaded userspace datapath)

2012-10-10 Thread Luigi Rizzo
On Wed, Oct 10, 2012 at 09:20:19AM -0700, Ben Pfaff wrote: > More than anything I'd like to see an analysis, based on at least > simple measurements, probably including some conjecture, of the reason > or reasons that the threaded datapath yields performance that is so > much better. If it comes d

[ovs-dev] userspace datapath performance (was: Re: Threaded userspace datapath)

2012-10-10 Thread Ben Pfaff
More than anything I'd like to see an analysis, based on at least simple measurements, probably including some conjecture, of the reason or reasons that the threaded datapath yields performance that is so much better. If it comes down to something not fundamental to having threads, then we can tal