Date: Tue, 6 Apr 1999 16:35:05 +0000 (GMT) From: eagle <eagle@eagle.phc.igs.net> To: Bruce Evans <bde@zeta.org.au> Cc: freebsd-current@FreeBSD.ORG, syssgm@detir.qld.gov.au Subject: Re: EGCS breaks what(1) Message-ID: <Pine.BSF.3.96.990406163433.76265D-100000@eagle.phc.igs.net> In-Reply-To: <199904060603.QAA18049@godzilla.zeta.org.au>
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On Tue, 6 Apr 1999, Bruce Evans wrote: > >Alternately, we could jimmy around with the current hack, and prefix it > >with 4 NULs, and see what happened. Sorry, I haven't tested this idea, as > >I've not yet made the EGCS jump. > > egcs aligns long (>= about 28 bytes) strings to 32-byte boundaries. This > adds up to 27 NULs to sccsid[] depending on the alignment of sccsidp[]. > > Aligning long strings to 32-byte boundaries is a pessimisation in kernels > (because it makes poor locality poorer), especially on 486's where the > cache line size is 16. > > Bruce > not aligning data is extremely expensive on PII's rob To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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