From: "Roman V. Shaposhnik" <rvs@sun.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] mmap
Date: Tue, 29 Jul 2008 08:46:29 -0700 [thread overview]
Message-ID: <488F3B55.7090509@sun.com> (raw)
In-Reply-To: <13426df10807290835k6403fdd7q56c5f969851aae4c@mail.gmail.com>
ron minnich wrote:
> On Tue, Jul 29, 2008 at 8:19 AM, erik quanstrom <quanstro@coraid.com> wrote:
>
>
>> you can't make the assumption that a file is local in *ix, either.
>>
>>
>
> in fact, for the last 20 years, every program run on a sunos/solaris
> machine has used mmap for the exec.
>
mmap() is everywhere on Solaris. Even when you do something as trivial
as sort(1) --
it'll try to mmap() the operands and only if that fails it is going to
use read()/write().
Thanks,
Roman.
P.S. Which is not that bad of an optimization if you ask me...
next prev parent reply other threads:[~2008-07-29 15:46 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-17 14:24 mmap Russ Cox
2008-07-17 14:34 ` [9fans] mmap erik quanstrom
2008-07-29 8:52 ` Enrico Weigelt
2008-07-29 9:45 ` Charles Forsyth
2008-07-29 15:04 ` Alexander Sychev
2008-07-29 15:19 ` erik quanstrom
2008-07-29 15:35 ` ron minnich
2008-07-29 15:46 ` Roman V. Shaposhnik [this message]
2008-07-29 15:35 ` David Leimbach
2008-07-29 16:28 ` Venkatesh Srinivas
2008-07-29 16:55 ` Charles Forsyth
2008-07-29 17:08 ` Charles Forsyth
2008-07-30 16:36 ` Roman V. Shaposhnik
2008-07-30 17:02 ` Paul Lalonde
2008-07-31 21:39 ` Charles Forsyth
2008-07-31 23:19 ` Bakul Shah
2008-08-01 0:32 ` ron minnich
2008-08-01 3:18 ` David Leimbach
2008-08-02 13:22 ` Richard Miller
2008-08-02 16:10 ` ron minnich
2008-08-02 19:12 ` Richard Miller
2008-07-31 8:51 ` Paweł Lasek
[not found] ` <20080729162639.GA31092@satori.no-ip.org>
2008-07-30 15:29 ` Enrico Weigelt
2008-07-30 15:43 ` Roman V. Shaposhnik
2008-11-03 0:22 ` Enrico Weigelt
2008-07-30 16:25 ` Joel C. Salomon
2008-07-30 17:28 ` Kernel Panic
2008-07-30 18:26 ` erik quanstrom
2008-07-31 1:42 ` Joel C. Salomon
2008-11-03 0:50 erik quanstrom
2008-11-03 1:36 ` ron minnich
2008-11-03 6:29 ` Charles Forsyth
2008-11-03 6:58 ` ron minnich
2008-11-03 7:50 ` Bruce Ellis
2008-11-04 4:43 ` Enrico Weigelt
2008-11-04 7:15 ` Andrew Simmons
2008-11-04 8:01 ` Bakul Shah
2008-11-04 14:13 ` Charles Forsyth
2008-11-10 23:15 ` gas
2008-11-04 16:02 ` ron minnich
2008-11-04 18:19 ` Kim Shrier
2008-11-04 16:09 ` David Leimbach
[not found] <1d371286c515cad580f68eddbe2cdf57@quanstro.net>
2008-11-03 3:18 ` Enrico Weigelt
2008-11-03 3:31 ` ron minnich
2008-11-03 6:27 ` Charles Forsyth
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