From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rick Jones Subject: Re: [PATCH 1/1] network memory allocator. Date: Mon, 14 Aug 2006 10:46:17 -0700 Message-ID: <44E0B6E9.8050608@hp.com> References: <20060814110359.GA27704@2ka.mipt.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: David Miller , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Return-path: 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 To: Evgeniy Polyakov In-Reply-To: <20060814110359.GA27704@2ka.mipt.ru> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org > 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