On Tue, 2019-03-26 at 12:06 +0000, Pavan Nikhilesh Bhagavatula wrote: > > -----Original Message----- > > From: Iremonger, Bernard <bernard.iremon...@intel.com> > > Sent: Tuesday, March 26, 2019 5:20 PM > > To: Thomas Monjalon <tho...@monjalon.net>; Pavan Nikhilesh > > Bhagavatula <pbhagavat...@marvell.com> > > Cc: dev@dpdk.org; Jerin Jacob Kollanukkaran <jer...@marvell.com>; > > arybche...@solarflare.com; Yigit, Ferruh <ferruh.yi...@intel.com> > > Subject: [EXT] RE: [dpdk-dev] [PATCH v2] app/testpmd: add mempool > > bulk > > get for txonly mode > > > > > > > Then we'll be able to examine it and check the performance. > > > > > > We need to have more tests with more hardware in order to better > > > understand the performance improvement. > > > For info, a degradation is seen in Mellanox lab. > > The only real change was that we introduced mempool_bulk get to avoid > multiple calls to mempool layer. > I don't see how that would degrade the performance.
I don't think, it is CPU instruction based degradation as it gives better performance on x86 and arm64. Adding Mellanox maintainers to comment on, How does it impact on Mellanox NIC hardware?