From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Monjalon Subject: Re: [PATCH] l3fwd improve grouping by destination port a bit Date: Fri, 01 Aug 2014 18:27:22 +0200 Message-ID: <1663592.FtpoT9rkYr@xps13> References: <1406045087-9625-1-git-send-email-konstantin.ananyev@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Cc: dev-VfR2kkLFssw@public.gmane.org To: Konstantin Ananyev Return-path: In-Reply-To: <1406045087-9625-1-git-send-email-konstantin.ananyev-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces-VfR2kkLFssw@public.gmane.org Sender: "dev" 2014-07-22 17:04, Konstantin Ananyev: > Latest changes introduced a small degradation for the corner case > when each input packet is destined to the different port. > For the test-case when 1 core manages 4 ports and packet stream looks like: > IPV4_DSTPORT0, IPV4_DSTPORT1, IPV4_DSTPORT3, IPV4_DSTPORT4, IPV4_DSTPORT0, ... > non-optimised code path outperforms optimised one by 2-3%. > These changes supposed to close that gap. > From my testing: now for the case descirbed above optimised code path > produces same numbers as non-optimised one. > For other test-cases numbers remain about the same. > > Signed-off-by: Konstantin Ananyev There was no comment about this patch so it's now applied for version 1.7.1. Thanks -- Thomas