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Path: utzoo!watmath!clyde!burl!ulysses!mhuxl!ihnp4!zehntel!zinfandel!hplabs!tektronix!orca!andrew
From: andrew@orca.UUCP (Andrew Klossner)
Newsgroups: net.emacs
Subject: Re: Is Gosling's EMACS really slow or what ?
Message-ID: <1025@orca.UUCP>
Date: Thu, 23-Aug-84 15:30:33 EDT
Article-I.D.: orca.1025
Posted: Thu Aug 23 15:30:33 1984
Date-Received: Sat, 25-Aug-84 06:29:47 EDT
References: <199@amd.UUCP> <73@cca.UUCP>
Organization: Tektronix, Wilsonville OR
Lines: 18

[]

	"However, the amount of bss storage required in no way affects
	the startup time of a program, as the bss simply reflects the
	amount of memory that is reserved for later use by the
	program."

I wish this were so, but in fact startup time includes a component
which is linear with the size of the entire program (text+data+bss)
because the system has to preallocate that much swap space.

I regularly run a program with 200k text, 50k data, and bss larger than
1Meg.  The effect of large bss upon startup time is quite noticeable.

This is all under 4.2BSD.

  -- Andrew Klossner   (decvax!tektronix!orca!andrew)      [UUCP]
                       (orca!andrew.tektronix@rand-relay)  [ARPA]