From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail143.messagelabs.com (mail143.messagelabs.com [216.82.254.35]) by kanga.kvack.org (Postfix) with ESMTP id 83B1A6B007B for ; Wed, 15 Sep 2010 04:17:01 -0400 (EDT) Date: Wed, 15 Sep 2010 10:16:53 +0200 From: Ingo Molnar Subject: Re: [RFC][PATCH] Cross Memory Attach Message-ID: <20100915081653.GA16406@elte.hu> References: <20100915104855.41de3ebf@lilo> <20100915080235.GA13152@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100915080235.GA13152@elte.hu> Sender: owner-linux-mm@kvack.org To: Christopher Yeoh Cc: linux-kernel@vger.kernel.org, Andrew Morton , Linus Torvalds , Peter Zijlstra , linux-mm@kvack.org List-ID: > > NPB: > > ==== > > BT - 12% improvement > > FT - 15% improvement > > IS - 30% improvement > > SP - 34% improvement > > > > IMB: > > === > > > > Ping Pong - ~30% improvement > > Ping Ping - ~120% improvement > > SendRecv - ~100% improvement > > Exchange - ~150% improvement > > Gather(v) - ~20% improvement > > Scatter(v) - ~20% improvement > > AlltoAll(v) - 30-50% improvement btw., how does OpenMPI signal the target tasks that something happened to their address space - is there some pipe/socket side-channel, or perhaps purely based on flags in the modified memory areas, which are polled? Ingo -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org