From: Keir Fraser <keir@xen.org>
To: Mats Petersson <mats.petersson@citrix.com>
Cc: "xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
Subject: Re: xen with huffman coding
Date: Fri, 14 Dec 2012 17:19:56 +0000 [thread overview]
Message-ID: <CCF1103C.55C4B%keir@xen.org> (raw)
In-Reply-To: <50CB5528.2020203@citrix.com>
On 14/12/2012 16:34, "Mats Petersson" <mats.petersson@citrix.com> wrote:
> On 14/12/12 16:27, Keir Fraser wrote:
>> On 14/12/2012 14:49, "Mats Petersson" <mats.petersson@citrix.com> wrote:
>>
>>> For code and typical data, I'm not at all convinced that huffman
>>> encoding (which is based on run-lengths) is the best method.
>> Actually Huffman encoding is not a run-length scheme.
> Ah, I'm confusing it with ccitt (or whatever it is that fax-machines
> use), which uses a fixed Huffman tree to encode a set of run lengths of
> black/white pixels.
>
> Either way, looking at more than one compression mechanism may have some
> value.
Yes it was a minor point really, and noone really uses Huffman on its own
afaik. More broadly I agree -- it looks like an interesting student project.
> --
> Mats
>>
>> -- Keir
>>
>>
>>
>>
>
prev parent reply other threads:[~2012-12-14 17:19 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-14 14:32 xen with huffman coding digvijay chauhan
2012-12-14 14:49 ` Mats Petersson
2012-12-14 16:27 ` Keir Fraser
2012-12-14 16:34 ` Mats Petersson
2012-12-14 17:19 ` Keir Fraser [this message]
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