From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Message-ID: <18522.60641.706672.27167@cargo.ozlabs.ibm.com> Date: Fri, 20 Jun 2008 09:33:53 +1000 From: Paul Mackerras To: Gunnar von Boehn Subject: Re: [RFC 0/3] powerpc: memory copy routines tweaked for Cell In-Reply-To: References: <200806191753.51495.markn@au1.ibm.com> <200806191353.17323.arnd@arndb.de> Cc: Mark Nelson , linuxppc-dev@ozlabs.org, Michael Ellerman , cbe-oss-dev@ozlabs.org, Arnd Bergmann List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Gunnar von Boehn writes: > I have no results for P5/P6, but I did some tests on JS21 aka PPC-970. > On PPC-970 the CELL memcpy is faster than the current Linux routine. > This becomes really visible when you really copy memory-to-memory and are > not only working in the 2ndlevelcache. Could you send some more details, like the actual copy speed you measured and how you did the tests? Thanks, Paul.