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Re: [Monotone-devel] Re: zlib vs gzip
From: |
Zack Weinberg |
Subject: |
Re: [Monotone-devel] Re: zlib vs gzip |
Date: |
Wed, 31 Oct 2007 08:00:11 -0700 |
On Oct 31, 2007 2:26 AM, Markus Schiltknecht <address@hidden> wrote:
> Eric Anderson wrote:
> > If you want fast compression, the best I know of is lzf
> > (http://www.goof.com/pcg/marc/liblzf.html)
>
> Thanks for the pointer, that sounds interesting. What type of
> compression is it? A LZ77 variant? With a dictionary?
It looks like it's pure LZ77 - I'm not sure what you mean by 'with a
dictionary', but there's no Huffman-coding stage as there is in
deflate.
I'd like to point out that the #1 easiest thing anyone could do right
now to speed up monotone is get hand-optimized assembly SHA1
implementations into our copy of botan. That one function shows up as
at least 7% of runtime every single time I profile it, doesn't matter
what the task is.
zw
- Re: [Monotone-devel] [ANNOUNCE] monotone 0.37 released, (continued)
- Re: [Monotone-devel] [ANNOUNCE] monotone 0.37 released, Nathaniel Smith, 2007/10/26
- Re: [Monotone-devel] [ANNOUNCE] monotone 0.37 released, Markus Schiltknecht, 2007/10/26
- [Monotone-devel] zlib vs gzip, Markus Schiltknecht, 2007/10/26
- [Monotone-devel] Re: zlib vs gzip, Lapo Luchini, 2007/10/26
- Re: [Monotone-devel] Re: zlib vs gzip, Jack Lloyd, 2007/10/29
- Re: [Monotone-devel] Re: zlib vs gzip, Markus Schiltknecht, 2007/10/30
- Re: [Monotone-devel] Re: zlib vs gzip, Jack Lloyd, 2007/10/30
- Re: [Monotone-devel] Re: zlib vs gzip, Markus Schiltknecht, 2007/10/30
- Re: [Monotone-devel] Re: zlib vs gzip, Eric Anderson, 2007/10/31
- Re: [Monotone-devel] Re: zlib vs gzip, Markus Schiltknecht, 2007/10/31
- Re: [Monotone-devel] Re: zlib vs gzip,
Zack Weinberg <=
- Re: [Monotone-devel] Re: zlib vs gzip, Jack Lloyd, 2007/10/31
- Re: [Monotone-devel] Re: zlib vs gzip, Markus Schiltknecht, 2007/10/31
- Re: [Monotone-devel] Re: zlib vs gzip, Zack Weinberg, 2007/10/31
- Re: [Monotone-devel] Re: zlib vs gzip, Jack Lloyd, 2007/10/31
- Re: [Monotone-devel] Re: zlib vs gzip, Zack Weinberg, 2007/10/31
- Re: [Monotone-devel] Re: zlib vs gzip, Jack Lloyd, 2007/10/31
- Re: [Monotone-devel] Re: zlib vs gzip, Zack Weinberg, 2007/10/31
- Re: [Monotone-devel] zlib vs gzip, Nathaniel Smith, 2007/10/26
- Re: [Monotone-devel] zlib vs gzip, Jack Lloyd, 2007/10/29
[Monotone-devel] Re: [ANNOUNCE] monotone 0.37 released, Lapo Luchini, 2007/10/26