Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932333AbWHNRqU (ORCPT ); Mon, 14 Aug 2006 13:46:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932444AbWHNRqU (ORCPT ); Mon, 14 Aug 2006 13:46:20 -0400 Received: from palrel12.hp.com ([156.153.255.237]:6854 "EHLO palrel12.hp.com") by vger.kernel.org with ESMTP id S932333AbWHNRqT (ORCPT ); Mon, 14 Aug 2006 13:46:19 -0400 Message-ID: <44E0B6E9.8050608@hp.com> Date: Mon, 14 Aug 2006 10:46:17 -0700 From: Rick Jones User-Agent: Mozilla/5.0 (X11; U; HP-UX 9000/785; en-US; rv:1.7.13) Gecko/20060601 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Evgeniy Polyakov Cc: David Miller , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH 1/1] network memory allocator. References: <20060814110359.GA27704@2ka.mipt.ru> In-Reply-To: <20060814110359.GA27704@2ka.mipt.ru> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 790 Lines: 18 > Benchmarks with trivial epoll based web server showed noticeble (more > than 40%) imrovements of the request rates (1600-1800 requests per > second vs. more than 2300 ones). It can be described by more > cache-friendly freeing algorithm, by tighter objects packing and thus > reduced cache line ping-pongs, reduced lookups into higher-layer caches > and so on. Is that an hypothesis, or did you get a chance to gather cache stats with something like http://www.hp.com/go/Caliper or the like on the platform(s) you were testing? rick jones - 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/