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
next prev 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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