Date: Fri, 13 Oct 2006 09:47:24 -0700 From: Tim Kientzle <tim@kientzle.com> To: freebsd-hackers@FreeBSD.ORG, kientzle@FreeBSD.ORG, dougb@FreeBSD.ORG Subject: Re: "tar -c|gzip" faster than "tar -cz"?!? Message-ID: <452FC31C.2030505@kientzle.com> In-Reply-To: <200610131345.k9DDjYkD030561@lurza.secnetix.de> References: <200610131345.k9DDjYkD030561@lurza.secnetix.de>
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Oliver Fromme wrote: > Meanwhile I had a quick look at the code: gzip uses some > optimized assembler code ... Maybe that's the reason why > gzip is noticeably faster. Anyone care to try this test on PPC, ARM, or Sparc? There's a move afoot to replace the GPL gzip with a more openly-licensed gzip implemented on top of libz. I wonder if the libz implementors have similar assembly optimizations that we should be using? Tim Kientzle
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