Date: Wed, 5 Apr 1995 09:11:38 +0200 (MET DST) From: J Wunsch <j@uriah.heep.sax.de> To: freebsd-hackers@FreeBSD.org (FreeBSD hackers) Subject: Re: new install(1) utility Message-ID: <199504050711.JAA04789@uriah.heep.sax.de> In-Reply-To: <199504042336.QAA04227@ref.tfs.com> from "Poul-Henning Kamp" at Apr 4, 95 04:36:18 pm
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As Poul-Henning Kamp wrote: > > > I wonder if this is the case for non-x86 machines as well, since I > > suspect memcpy() uses the fast string routines available on x86 > > machines. (Btw., other CPUs might also have fast string operations -- they are FRI's.) > The trick is that you use page-faults instead of read() to get to the > file. And as a nice side-effect: the source file is pre-faulted entirely, so if it needs to be installed, the source will come right out of the cache! -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ Never trust an operating system you don't have sources for. ;-)
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