From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. J. Lu" Date: Wed, 06 Aug 2003 16:01:05 +0000 Subject: Re: 2.4 PATCH: gcc 3.3 support Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org On Wed, Aug 06, 2003 at 09:59:34AM -0600, Bjorn Helgaas wrote: > On Wednesday 06 August 2003 9:44 am, H. J. Lu wrote: > > This is the patch backed ported from 2.6 kernel. However, I got > > > > # modprobe xor > > raid5: measuring checksumming speed > > ia64 : 81.920 MB/sec > > > > The old one I got > > > > # modprobe xor > > raid5: measuring checksumming speed > > 8regs : 1769.472 MB/sec > > 8regs_prefetch: 1753.088 MB/sec > > 32regs : 2064.384 MB/sec > > 32regs_prefetch: 2064.384 MB/sec > > ia64 : 2441.216 MB/sec > > raid5: using function: ia64 (2441.216 MB/sec) > > > > It is very strange. > > That *is* very strange. I'll wait to apply the patch until we understand > what's happening. Have you tried the 2.6 kernel to see what speeds it > measures? I have a bigsur. Last time when I tried, it didn't boot for me. I will try it again with my acpi patch. H.J.