From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julian Stecklina Subject: Re: Networking latency - what to expect? Date: Thu, 29 Nov 2012 15:48:35 +0100 Message-ID: <87lidkjwho.fsf@os.inf.tu-dresden.de> References: <65e3a10030795eacd577b0fac1a10bb1@de.mcbf.net> Mime-Version: 1.0 Content-Type: text/plain To: kvm@vger.kernel.org Return-path: Received: from plane.gmane.org ([80.91.229.3]:53202 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754683Ab2K2Ost (ORCPT ); Thu, 29 Nov 2012 09:48:49 -0500 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1Te5QA-0007qX-Fm for kvm@vger.kernel.org; Thu, 29 Nov 2012 15:48:58 +0100 Received: from monat.inf.tu-dresden.de ([141.76.48.62]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 29 Nov 2012 15:48:58 +0100 Received: from jsteckli by monat.inf.tu-dresden.de with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 29 Nov 2012 15:48:58 +0100 Sender: kvm-owner@vger.kernel.org List-ID: Thus spake David Mohr : > * vm->vm (same host) 22k This number is in the same ballpark as what I am seeing on pretty much the same hardware. AFAICS, there is little you can do to the current virtio->virtio code path that would make this substantially faster. Julian