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From: Linus Torvalds <torvalds@osdl.org>
To: Ulrich Drepper <drepper@redhat.com>
Cc: "Bill Rugolsky Jr." <brugolsky@telemetry-investments.com>,
	Paul Venezia <pvenezia@jpj.net>,
	Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: ext3 performance inconsistencies, 2.4/2.6
Date: Tue, 4 Nov 2003 15:56:28 -0800 (PST)	[thread overview]
Message-ID: <Pine.LNX.4.44.0311041555300.20373-100000@home.osdl.org> (raw)
In-Reply-To: <3FA83ACC.5060700@redhat.com>


On Tue, 4 Nov 2003, Ulrich Drepper wrote:
>
>  This was, I think, the result of one of the last changes in the locking
> code where the libc side wasn't updated correctly.  I've done this and
> this is what I see:

Goodie. 

> drepper@ht 20031104-2$ time ./u > /dev/null
> real    0m1.272s
> user    0m1.270s
> sys     0m0.000s
> 
> drepper@ht 20031104-2$ time LD_ASSUME_KERNEL=2.4.1 ./u > /dev/null
> real    0m0.316s
> user    0m0.320s
> sys     0m0.000s
> 
> drepper@ht 20031104-2$ time LD_LIBRARY_PATH=. ./u > /dev/null
> real    0m0.207s
> user    0m0.210s
> sys     0m0.000s
> 
> The first is the old nptl code, the second LinuxThreads, the third the
> current nptl code.

Now _that_ looks a hell of a lot better. Thanks.

		Linus


  reply	other threads:[~2003-11-04 23:56 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-11-04 19:10 ext3 performance inconsistencies, 2.4/2.6 Paul Venezia
2003-11-04 19:36 ` Linus Torvalds
2003-11-04 20:20   ` Bill Rugolsky Jr.
2003-11-04 20:30     ` Linus Torvalds
2003-11-04 21:07       ` Paul Venezia
2003-11-04 21:28         ` Bill Rugolsky Jr.
2003-11-04 21:40           ` Linus Torvalds
2003-11-04 22:00             ` Ulrich Drepper
2003-11-04 22:31               ` Linus Torvalds
2003-11-04 23:48                 ` Ulrich Drepper
2003-11-04 23:56                   ` Linus Torvalds [this message]
2003-11-05  0:58                   ` jlnance
2003-11-05  7:08                     ` Jakub Jelinek
2003-11-04 22:19             ` Bill Rugolsky Jr.
2003-11-04 22:26               ` Bill Rugolsky Jr.
2003-11-05  7:14               ` Jakub Jelinek
2003-11-04 21:39       ` Bill Rugolsky Jr.

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