Date: Wed, 7 Apr 2004 05:43:59 +1000 From: Peter Jeremy <PeterJeremy@optushome.com.au> To: Tim Kientzle <tim@kientzle.com> Cc: current@freebsd.org Subject: Re: cvs commit: src/usr.bin/tar Makefile bsdtar.1 bsdtar.c bsdtar.h bsdtar_platform.h matching.c read.c util.c write.c Message-ID: <20040406194359.GB53327@cirb503493.alcatel.com.au> In-Reply-To: <4072F398.5040709@kientzle.com> References: <200404052132.i35LWIgJ009519@repoman.freebsd.org> <20040406082945.GD397@ip.net.ua> <4072F398.5040709@kientzle.com>
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On Tue, Apr 06, 2004 at 11:14:48AM -0700, Tim Kientzle wrote: >improve some as I continue to work on it. However, in general, >I expect it to be a little bit slower because the compression >isn't handled in a separate process (thus there's less overlapping >of I/O and computation). On the flip side, having everything in one process means there's less context switching and no copying data between processes. On a UP system there's relatively little scope for overlap because pipes don't buffer much. Peter
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