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From: Lee Revell <rlrevell@joe-job.com>
To: Andi Kleen <ak@suse.de>
Cc: Willy Tarreau <w@1wt.eu>,
	thockin@hockin.org, Luca Tettamanti <kronos.it@gmail.com>,
	linux-kernel@vger.kernel.org, john stultz <johnstul@us.ibm.com>
Subject: Re: AMD X2 unsynced TSC fix?
Date: Sat, 28 Oct 2006 21:28:55 -0400	[thread overview]
Message-ID: <1162085335.14733.34.camel@mindpipe> (raw)
In-Reply-To: <200610281233.27588.ak@suse.de>

On Sat, 2006-10-28 at 12:33 -0700, Andi Kleen wrote:
> On Saturday 28 October 2006 12:15, Willy Tarreau wrote:
> 
> > Yes it was, because the small gain of using a dual core with such
> > a workload was clearly lost by that change. IIRC, I reached 25000
> > sessions/s on dual core with TSC if I didn't care about the clock,
> > 20000 without TSC, and 18000 on single core+TSC. But with the sniffer,
> > it was even worse : I had 500 kpps in dual-core+TSC, 70kpps without
> > TSC and 300 kpps with single-core+TSC. Since I had to buy the same
> > machines for both uses, this last argument was enough for me to stick
> > to a single core.
> 
> Ok, but it is a very specialized situation not applicable to most
> others. I just say this for all the other people following the thread.
> Again most workloads are not that gtod intensive.

Haven't benchmarked or anything, but isn't X11 also a very gtod
intensive workload?

Lee


  parent reply	other threads:[~2006-10-29  1:28 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-10-27 17:15 AMD X2 unsynced TSC fix? Lee Revell
2006-10-27 20:18 ` Luca Tettamanti
2006-10-27 23:04   ` thockin
2006-10-28  0:00     ` Luca Tettamanti
2006-10-28  0:17       ` Lee Revell
2006-10-28  2:46       ` thockin
2006-10-28  3:59         ` Andi Kleen
2006-10-28  6:32           ` thockin
2006-10-28  9:14           ` Vojtech Pavlik
2006-10-28 18:22           ` Lee Revell
2006-10-28 19:57             ` Vojtech Pavlik
2006-10-28 22:54               ` thockin
2006-10-28  1:04     ` Andi Kleen
2006-10-28  3:28       ` Lee Revell
2006-10-28  5:28         ` Willy Tarreau
2006-10-28 18:08           ` Lee Revell
2006-10-28 19:14             ` thockin
2006-10-30 17:22             ` Langsdorf, Mark
2006-10-28 18:37           ` Andi Kleen
2006-10-28 19:15             ` Willy Tarreau
2006-10-28 19:18               ` thockin
2006-10-28 19:32                 ` Willy Tarreau
2006-10-28 19:42                   ` thockin
2006-10-28 20:16                     ` Willy Tarreau
2006-10-28 19:33               ` Andi Kleen
2006-10-28 20:04                 ` Willy Tarreau
2006-10-28 20:11                   ` Andi Kleen
2006-10-28 20:36                     ` Willy Tarreau
2006-10-29  1:28                 ` Lee Revell [this message]
2006-10-28 21:00               ` Lee Revell
2006-10-31 11:12           ` Pádraig Brady
2006-10-31 15:31             ` Willy Tarreau
2006-10-30 20:30     ` Christoph Lameter
2006-10-27 20:35 ` Andi Kleen
2006-10-27 20:41   ` Lee Revell
2006-10-27 21:48     ` Chris Friesen
2006-10-27 22:08       ` Lee Revell
2006-10-28  3:58         ` Sergio Monteiro Basto
2006-10-28  4:06           ` Andi Kleen
2006-10-28  4:22             ` Sergio Monteiro Basto
2006-10-30  3:10               ` Sergio Monteiro Basto
2006-10-30 15:23                 ` Andi Kleen
     [not found]                   ` <1162253008.2999.9.camel@localhost.portugal>
2006-10-31  0:14                     ` Lee Revell
2006-10-31  0:25                       ` john stultz
2006-10-31  2:41                     ` Siddha, Suresh B
2006-10-31 15:05                       ` Sergio Monteiro Basto
2006-11-01  1:46                       ` Sergio Monteiro Basto
2006-11-01  2:44                         ` Siddha, Suresh B
2006-11-08  0:22                           ` Sergio Monteiro Basto
2006-11-08 19:53                             ` Thomas Gleixner
2006-11-09  0:39                               ` Sergio Monteiro Basto
2006-11-09  1:13                                 ` john stultz
2006-11-09  1:27                                   ` Sergio Monteiro Basto
2006-11-15  1:51                                   ` Sergio Monteiro Basto
     [not found]                                     ` <20061115193514.41C01102C011@mail.goron.de>
2006-11-16  1:38                                       ` Sergio Monteiro Basto
2006-11-16  1:45                                         ` Sergio Monteiro Basto
2006-10-28  6:35             ` thockin
2006-10-28  6:46               ` Andrew Morton
2006-10-28  6:49                 ` thockin
2006-10-28  7:13                   ` Andrew Morton
2006-10-28  7:25                     ` thockin
2006-10-28  9:46                   ` Andi Kleen
2006-10-28  9:45                 ` Andi Kleen
2006-10-28  9:48               ` Andi Kleen
2006-10-27 21:58 ` Friedrich Göpel

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