Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760060AbXJNW2j (ORCPT ); Sun, 14 Oct 2007 18:28:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1763441AbXJNW22 (ORCPT ); Sun, 14 Oct 2007 18:28:28 -0400 Received: from lucidpixels.com ([75.144.35.66]:34744 "EHLO lucidpixels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1763733AbXJNW22 (ORCPT ); Sun, 14 Oct 2007 18:28:28 -0400 Date: Sun, 14 Oct 2007 18:28:26 -0400 (EDT) From: Justin Piszcz X-X-Sender: jpiszcz@p34.internal.lan To: Jan Engelhardt cc: Al Viro , linux-kernel@vger.kernel.org, apiszcz@solarrain.com Subject: Re: In response to kernel compression e-mail a few months ago. In-Reply-To: Message-ID: References: <20071014205008.GZ8181@ftp.linux.org.uk> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 761 Lines: 25 On Sun, 14 Oct 2007, Jan Engelhardt wrote: > > On Oct 14 2007 16:58, Justin Piszcz wrote: >> >> compress: >> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND >> 10544 war 20 0 700m 681m 1632 S 141 20.7 1:41.46 7z > > Just how you can utilize a CPU to 141% remains a mystery.. > [ to be noted this is sqrt(2)*100 ] > It uses 2 cores (multi-thread/multi-core), I believe the author of 7z (I asked him about this before) said the compression algorithm can use 1.8-2.2 cpus. Justin. - 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/