From: Andrew Theurer <habanero@us.ibm.com>
To: Andrea Arcangeli <andrea@suse.de>
Cc: Joe Pranevich <jpranevich@kniggit.net>, linux-kernel@vger.kernel.org
Subject: Re: Wonderful World of Linux 2.6 - Final
Date: Thu, 18 Dec 2003 17:58:55 -0600 [thread overview]
Message-ID: <200312181758.55059.habanero@us.ibm.com> (raw)
In-Reply-To: <20031218235211.GD10250@dualathlon.random>
On Thursday 18 December 2003 17:52, Andrea Arcangeli wrote:
> On Thu, Dec 18, 2003 at 09:29:46AM -0600, Andrew Theurer wrote:
> > be scheduled optimally, for example, a kernel compile with -j4 on a 4-way
> > P4, with and without HT:
> >
> > average of 10 kernel compiles with -j4 on 2.6.0-test9:
> >
> > HT disabled: Elapsed: 145.086s User: 513.808s System: 44.724s CPU: 384.5%
> > HT enabled: Elapsed: 172.463s User: 633.856s System: 48.003s CPU: 394.8%
>
> is that 4-way a 4-logical-way or 4-physical-way? If it's a 4-logical
> way, this workload is much closer to the best case than the worst case.
> I'm guessing a simple -j2 or -j3 should do much worse than that.
This is 4-way physical/4-way logical (no HT) vs 4-way physical/8-way logical
(with HT)
next prev parent reply other threads:[~2003-12-18 23:57 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-18 5:13 Wonderful World of Linux 2.6 - Final Joe Pranevich
2003-12-18 15:29 ` Andrew Theurer
2003-12-18 15:35 ` Andrew Theurer
2003-12-18 23:52 ` Andrea Arcangeli
2003-12-18 23:58 ` Andrew Theurer [this message]
2003-12-19 0:03 ` Andrea Arcangeli
-- strict thread matches above, loose matches on Subject: below --
2003-12-18 5:37 Nick Piggin
2003-12-18 7:11 ` Jeff Garzik
2003-12-18 8:16 ` Ingo Molnar
2003-12-18 12:21 ` Joe Pranevich
2003-12-18 7:49 Nakajima, Jun
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