OK, thanks for the background. On Dec 12, 2013 6:57 PM, "Ethan Jackson" <et...@nicira.com> wrote:
> > I wonder how much time it really saves? > > Jarno said offline that disabling the decision tree stuff he wrote > increases flow setup performance by roughly 5%. In the new multi > threaded revalidation setup, shaving a bit off the cost of > xlate_actions() will directly lead to larger datapath flow tables. I > haven't measured this specific optimization personally though. > > The other reason I want this, is it will make it marginally easier for > people trying to experiment in the classifier with expensive megaflow > optimization techniques. I could save it for when such a case > actually arises, but given the 5% gain Jarno mentioned and that I know > of other specific things in the pipeline, I figured I'd go for it. > > Ethan >
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