Path: utzoo!attcan!uunet!husc6!bloom-beacon!gatech!mcnc!rti!sas!bts
From: bts@sas.UUCP (Brian T. Schellenberger)
Newsgroups: comp.lang.c
Subject: Re: Optimal structure field ordering
Message-ID: <568@sas.UUCP>
Date: 1 Jul 88 20:53:30 GMT
References: <163@navtech.uucp> <2775@ttrdc.UUCP> <164@navtech.uucp> <818@garth.UUCP>
Reply-To: bts@sas.UUCP (Brian T. Schellenberger)
Organization: SAS Institute Inc, Cary NC
Lines: 10

So put the *most commonly used* fields early to optimize access and sort
large-to-small to optimize space.  Tradeoffs between these two considerations
vary widely.  But especially if you have one field you use a lot, try to put
it first regardless of size; the first field has an offset of zero, ans this is
more efficiently accessed on (to put in mildly) a wide variety of machines.
-- 
--Brian,                     __________________________________________________
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