Date: Wed, 26 May 1999 00:23:00 +0200 (SAST) From: Robert Nordier <rnordier@nordier.com> To: dcs@newsguy.com (Daniel C. Sobral) Cc: rnordier@nordier.com (Robert Nordier), cvs-all@FreeBSD.org, cvs-committers@FreeBSD.org Subject: Re: cvs commit: src/sys/i386/boot/biosboot table.c Message-ID: <199905252223.AAA17260@ceia.nordier.com> In-Reply-To: <374B1422.79F6707@newsguy.com> from "Daniel C. Sobral" at "May 26, 1999 06:20:34 am"
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Daniel C. Sobral wrote: > Robert Nordier wrote: > > > > I'm just not up on the legal side of things: how does "Adaptive > > Huffman Coding" stand in the patent world? > > Interestingly, that's my concern too. Huffman encoding is poor > though. It is used to pre or post-compress a dictionary algorithm in > almost any decent compression algorithm. The exception (which I > think is used by bzip) requires too much memory to uncompress. He calls it "Adaptive Huffman", though I think the emphasis is strongly on the "adaptive" part. The compression rates were a few percentage points better than pkzip (the Phil Katz utility that zip/unzip, etc. derive from) when I last tried it. It was just about twice as slow, though, as I recall. -- Robert Nordier To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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