> -----Original Message----- > From: Greg KH [mailto:gre...@linuxfoundation.org] > Sent: Tuesday, June 13, 2017 1:04 PM > To: Ruxandra Ioana Radulescu <ruxandra.radule...@nxp.com> > Cc: de...@driverdev.osuosl.org; stuyo...@gmail.com; a...@arndb.de; > linux-ker...@vger.kernel.org; ag...@suse.de; Bharat Bhushan > <bharat.bhus...@nxp.com>; Bogdan Purcareata > <bogdan.purcare...@nxp.com>; linux-arm-ker...@lists.infradead.org; > Laurentiu Tudor <laurentiu.tu...@nxp.com> > 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 de...@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
