From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from michelle.lostinspace.de (michelle.lostinspace.de [62.146.248.226]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "michelle.lostinspace.de", Issuer "michelle.lostinspace.de" (not verified)) by ozlabs.org (Postfix) with ESMTP id 621CCDDE9E for ; Thu, 17 May 2007 04:03:17 +1000 (EST) Received: from server.idefix.lan (cl-70.muc-02.de.sixxs.net [IPv6:2001:a60:f000:45::2]) (authenticated bits=0) by michelle.lostinspace.de (8.13.8/8.13.8) with ESMTP id l4GI30ml015421 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Wed, 16 May 2007 20:03:06 +0200 (CEST) (envelope-from idefix@fechner.net) Received: from idefix by server.idefix.lan with local (Exim 4.67 (FreeBSD)) (envelope-from ) id 1HoNq0-00067C-L7 for linuxppc-embedded@ozlabs.org; Wed, 16 May 2007 20:03:00 +0200 Date: Wed, 16 May 2007 20:03:00 +0200 From: Matthias Fechner To: linuxppc-embedded@ozlabs.org Subject: Re: MPC5200B memory performance Message-ID: <20070516180259.GA23085@server.idefix.lan> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: Sender: Matthias Fechner Reply-To: linuxppc-embedded@ozlabs.org List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hello Daniel, * Daniel Schnell [15-05-07 11:22]: > I get the following values on my board: my result is: Test (10000) memcpy of sizes (1024) .... 10000 memcpy. Time per memcpy: 1814 [nsec] (564 MB/sec) finished. Test (10000) memcpy of sizes (2048) .... 10000 memcpy. Time per memcpy: 3433 [nsec] (596 MB/sec) finished. Test (10000) memcpy of sizes (4096) .... 10000 memcpy. Time per memcpy: 6687 [nsec] (612 MB/sec) finished. Test (10000) memcpy of sizes (8192) .... 10000 memcpy. Time per memcpy: 21454 [nsec] (381 MB/sec) finished. Test (10000) memcpy of sizes (16384) .... 10000 memcpy. Time per memcpy: 205551 [nsec] (79 MB/sec) finished. Test (1000) memcpy of sizes (32768) .... 1000 memcpy. Time per memcpy: 379875 [nsec] (86 MB/sec) finished. Test (1000) memcpy of sizes (51200) .... 1000 memcpy. Time per memcpy: 588792 [nsec] (86 MB/sec) finished. Test (1000) memcpy of sizes (102400) .... 1000 memcpy. Time per memcpy: 1126511 [nsec] (90 MB/sec) finished. Test (100) memcpy of sizes (1048576) .... 100 memcpy. Time per memcpy: 11307890 [nsec] (92 MB/sec) finished. Test (10) memcpy of sizes (10485760) .... 10 memcpy. Time per memcpy: 120783600 [nsec] (86 MB/sec) finished. Test (5) memcpy of sizes (52428800) .... 5 memcpy. Time per memcpy: 673867800 [nsec] (77 MB/sec) finished. Best regards, Matthias -- "Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the universe trying to produce bigger and better idiots. So far, the universe is winning." -- Rich Cook