Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756196Ab3E1Uhc (ORCPT ); Tue, 28 May 2013 16:37:32 -0400 Received: from g6t0185.atlanta.hp.com ([15.193.32.62]:15211 "EHLO g6t0185.atlanta.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756005Ab3E1Uhb (ORCPT ); Tue, 28 May 2013 16:37:31 -0400 Message-ID: <1369773466.4188.3.camel@buesod1.americas.hpqcorp.net> Subject: Re: [PATCH 0/4] ipc/sem.c: Bug fixes, regression fixes, v3 From: Davidlohr Bueso To: Manfred Spraul Cc: Rik van Riel , LKML , Andrew Morton , hhuang@redhat.com, Linus Torvalds Date: Tue, 28 May 2013 13:37:46 -0700 In-Reply-To: <51A38257.2020804@colorfullife.com> References: <1369559335-13491-1-git-send-email-manfred@colorfullife.com> <1369601453.2259.15.camel@buesod1.americas.hpqcorp.net> <51A38257.2020804@colorfullife.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.4.4 (3.4.4-2.fc17) Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1001 Lines: 32 *sigh* it seems that the email this morning wasn't sent, resending... On Mon, 2013-05-27 at 17:57 +0200, Manfred Spraul wrote: > Hi Davidlohr, > > On 05/26/2013 10:50 PM, Davidlohr Bueso wrote: > > > > In lack of getting my swingbench DSS environment back, I ran these > > changes against the semop-multi program on my laptop. For 256 threads, > > with Manfred's patchset the ops/sec suffers around -7.3%. > > Could you also check the performance of only patch#1? > I fear that it might be slower than all 4 together. Performance wise, patch 1 actually doesn't make any difference with what was already upstream. > > With regards to semop-multi: > Is this the tool? > http://marc.info/?l=linux-kernel&m=136208613626892&q=p3 Yep. Thanks, Davidlohr -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/