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From: gwyn@brl-tgr.ARPA (Doug Gwyn )
Newsgroups: net.unix,net.unix-wizards
Subject: Re: Help Measuring Fork/Exec Overhead
Message-ID: <958@brl-tgr.ARPA>
Date: Sun, 25-Aug-85 04:57:53 EDT
Article-I.D.: brl-tgr.958
Posted: Sun Aug 25 04:57:53 1985
Date-Received: Mon, 26-Aug-85 01:44:23 EDT
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Organization: Ballistic Research Lab
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Xref: watmath net.unix:5468 net.unix-wizards:14560

> ... there's not much point in copy-on-write if the
> smallest unit that can be mapped is an entire segment).

I don't see that.  Most fork()s are almost immediately followed
by exec(), so that avoiding the useless copying of data segments
still seems like a big win.