From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ingo Molnar Date: Tue, 17 May 2005 07:40:37 +0000 Subject: Re: [patch] improve SMP reschedule and idle routines Message-Id: <20050517074037.GA13810@elte.hu> List-Id: References: <42881FE2.2000302@yahoo.com.au> <20050515.220455.59467677.davem@davemloft.net> <42899E78.6040306@yahoo.com.au> In-Reply-To: <42899E78.6040306@yahoo.com.au> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Nick Piggin Cc: "David S. Miller" , anton@samba.org, paulus@samba.org, Andrew Morton , linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org * Nick Piggin wrote: > David S. Miller wrote: > > >I'll test this once you work out that obvious bug. > > > > David's got it tested and working. No difference in the tbench > test reported for SPARC64. > > Following are some numbers for a tbench 3.03 test: 1 client, 1 server > in different configurations. > > Xeon and G5 seem to be significantly improved on the order of 1-5%. I2 > may be slightly down, but if it is significant I expect real world > workloads to be either not impacted, or hopefully some might see a > small improvement. > [...] > Unless anyone has an objection, I'm going to hack up untested > implementations for the rest of the architectures and see if Andrew > will put the patch in -mm for a while. the patch looks good to me and builds / boots on my testsystems (x86, x64) too. Acked-by: Ingo Molnar Ingo