> -----Original Message----- > From: Greg KH [mailto:[email protected]] > Sent: Tuesday, June 13, 2017 1:04 PM > To: Ruxandra Ioana Radulescu <[email protected]> > Cc: [email protected]; [email protected]; [email protected]; > [email protected]; [email protected]; Bharat Bhushan > <[email protected]>; Bogdan Purcareata > <[email protected]>; [email protected]; > Laurentiu Tudor <[email protected]> > Subject: Re: [PATCH 15/18] staging: fsl-dpaa2/eth: Reorder priv fields > > On Tue, Jun 06, 2017 at 10:00:38AM -0500, Ioana Radulescu wrote: > > Reorder fields in the device's private structure such that > > the ones most used on the hotpath are at the beginning of > > the structure. > > > > This brings a small performance improvement due to better > > cache usage. > > Really? What kind of performance improvement? Always be specific.
Fair point, thanks. The test scenario was ipfwd with small frames and the improvement ~1%, but I took this patch from an internal repo, so I need to redo the measurements on the current tree before resending. > > Please fix up and resend. We're preparing a larger patchset with several optimizations, I'll probably include the v2 there. Thanks, Ioana _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
