🚀 go-pugleaf

RetroBBS NetNews Server

Inspired by RockSolid Light RIP Retro Guy

Article View: comp.bugs.sys5
Article #318

Re: Shell Scripts v. Command Options

#318
From: Dan Bernstein
Date: Sat, 19 Jan 1991 17:08
16 lines
1209 bytes
In article <18959@rpp386.cactus.org> jfh@rpp386.cactus.org (John F Haugh II) writes:
> Had you looked at the test data you would see that the CPU time is
> actually spent in the kernel executing code.

Apparently the system is idle in your tests; many if not most schedulers
will add disk wait time to the system time of the current process.

> In the case you gave of a large page size architecture, fork() should
> still take very little time since there need not be any physical I/O
> unless the available memory is consumed

Available (physical) memory is quite often consumed, and the average
executable is swapped out. At NYU we actually use computers for
computing things, ya know?

---Dan
Technical Details
Message-ID: <19394:Jan1917:08:2691@kramden.acf.nyu.edu>
Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!uunet!zaphod.mps.ohio-state.edu!rpi!uupsi!cmcl2!kramden.acf.nyu.edu!brnstnd
References: <18946@rpp386.cactus.org> <1249:Jan1811:37:3991@kramden.acf.nyu.edu> <18959@rpp386.cactus.org>

Show Full Headers
Complete Article Headers
Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!uunet!zaphod.mps.ohio-state.edu!rpi!uupsi!cmcl2!kramden.acf.nyu.edu!brnstnd
From: brnstnd@kramden.acf.nyu.edu (Dan Bernstein)
Newsgroups: comp.bugs.sys5
Subject: Re: Shell Scripts v. Command Options
Message-ID: <19394:Jan1917:08:2691@kramden.acf.nyu.edu>
Date: 19 Jan 91 17:08:26 GMT
References: <18946@rpp386.cactus.org> <1249:Jan1811:37:3991@kramden.acf.nyu.edu> <18959@rpp386.cactus.org>
Organization: IR
Lines: 16