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Date:      Wed, 26 Nov 2008 21:44:31 +0100
From:      "Ivan Voras" <ivoras@freebsd.org>
To:        "Tim Kientzle" <kientzle@freebsd.org>
Cc:        freebsd-hackers@freebsd.org
Subject:   Re: lzma compression/decompression in bsdtar/libarchive?
Message-ID:  <9bbcef730811261244l59b3c7bdq5732af7b9facf1dc@mail.gmail.com>
In-Reply-To: <492DAB86.8030500@freebsd.org>
References:  <259774.68895.qm@web39105.mail.mud.yahoo.com> <gghej8$qq0$1@ger.gmane.org> <492DAB86.8030500@freebsd.org>

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2008/11/26 Tim Kientzle <kientzle@freebsd.org>:

> There's also something called "lzop", though I'm not
> yet sure what exactly that is.

lzop is the LZO archiver - created for high-speed compression, not
compression efficiency. Unfortunately, LZO is GPL :(

But that reminds me - while you're adding compression formats, you
might add lzf (http://www.goof.com/pcg/marc/liblzf.html) which is a
very high-speed compressor (again, no emphasis on efficiency), BSDL,
implemented in something like 500 lines of C :)

"...Very fast compression speeds, rivaling a straight copy loop,
especially for decompression which is basically at (unoptimized)
memcpy-speed"



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