From: Robert Love <rml@tech9.net>
To: Andrew Morton <akpm@zip.com.au>
Cc: torvalds@transmeta.com, ak@suse.de, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] syscall latency improvement #1
Date: 25 Jan 2002 22:06:51 -0500 [thread overview]
Message-ID: <1012014412.3799.259.camel@phantasy> (raw)
In-Reply-To: <3C521003.991A690B@zip.com.au>
In-Reply-To: <p73y9il7vlr.fsf@oldwotan.suse.de> <Pine.LNX.4.33.0201251741430.16917-100000@penguin.transmeta.com> <3C521003.991A690B@zip.com.au>
On Fri, 2002-01-25 at 21:10, Andrew Morton wrote:
> With cli:
> ./a.out 22.05s user 15.31s system 99% cpu 37.361 total
>
> without cli:
> ./a.out 18.29s user 17.42s system 99% cpu 35.731 total
>
>
> That's 4.6%. Intel P3.
Same program, AMD Athlon MP 1600 (booted UP), kernel 2.5.3-pre5.
with cli: real 0m19.706s user 0m11.400s sys 0m8.290s
without cli: real 0m19.449s user 0m10.630s sys 0m8.820s
That is 1.3% improvement.
Robert Love
next prev parent reply other threads:[~2002-01-26 3:02 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <18993.1011984842@warthog.cambridge.redhat.com.suse.lists.linux.kernel>
[not found] ` <Pine.LNX.4.33.0201251626490.2042-100000@penguin.transmeta.com.suse.lists.linux.kernel>
2002-01-26 1:24 ` [PATCH] syscall latency improvement #1 Andi Kleen
2002-01-26 1:53 ` Linus Torvalds
2002-01-26 2:03 ` Andi Kleen
2002-01-26 2:14 ` Linus Torvalds
2002-01-26 2:26 ` Andi Kleen
2002-01-26 2:39 ` Dave Jones
2002-01-26 2:53 ` Davide Libenzi
2002-01-26 2:10 ` Andrew Morton
2002-01-26 3:06 ` Robert Love [this message]
2002-01-26 3:20 ` Robert Love
2002-01-25 18:54 David Howells
2002-01-25 22:35 ` Robert Love
2002-01-26 10:07 ` Nigel Gamble
2002-01-25 23:07 ` Paul Mackerras
2002-01-26 0:39 ` Linus Torvalds
2002-01-26 0:57 ` Andrew Morton
2002-01-26 1:20 ` Linus Torvalds
2002-01-26 4:00 ` Jamie Lokier
2002-01-28 14:18 ` Denis Vlasenko
2002-01-28 10:30 ` Andrew Morton
2002-01-28 15:28 ` Jeff Dike
2002-01-29 0:53 ` Rusty Russell
2002-01-29 12:54 ` Pavel Machek
2002-01-29 12:59 ` Denis Vlasenko
2002-01-26 18:39 ` Alan Cox
2002-01-27 19:59 ` Jamie Lokier
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