Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764106AbXHXRpf (ORCPT ); Fri, 24 Aug 2007 13:45:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759023AbXHXRpY (ORCPT ); Fri, 24 Aug 2007 13:45:24 -0400 Received: from e32.co.us.ibm.com ([32.97.110.150]:60696 "EHLO e32.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752485AbXHXRpW (ORCPT ); Fri, 24 Aug 2007 13:45:22 -0400 In-Reply-To: <20070824165110.GH4282@austin.ibm.com> To: linas@austin.ibm.com (Linas Vepstas) Cc: akepner@sgi.com, linux-kernel , linux-ppc , Marcus@ozlabs.org, Eder , netdev , netdev-owner@vger.kernel.org, Jan-Bernd Themann , Christoph Raisch , Stephen Hemminger , Stefan Roscher , Jan-Bernd Themann , Thomas Klein MIME-Version: 1.0 Subject: Re: RFC: issues concerning the next NAPI interface X-Mailer: Lotus Notes Release 7.0 HF144 February 01, 2006 Message-ID: From: Shirley Ma Date: Fri, 24 Aug 2007 10:45:17 -0700 X-MIMETrack: Serialize by Router on D03MC012/03/M/IBM(Release 7.0.2HF32 | October 17, 2006) at 08/24/2007 11:45:20, Serialize complete at 08/24/2007 11:45:20 Content-Type: text/plain; charset="US-ASCII" Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 633 Lines: 14 > Just to be clear, in the previous email I posted on this thread, I > described a worst-case network ping-pong test case (send a packet, wait > for reply), and found out that a deffered interrupt scheme just damaged > the performance of the test case. When splitting rx and tx handler, I found some performance gain by deffering interrupt scheme in tx not rx in IPoIB driver. Shirley - 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/