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Re: faster client pre-1.0: neon prefetching, multithreading

From: Brandon Ehle <azverkan_at_yahoo.com>
Date: 2003-02-11 21:01:29 CET

>
>
>Oh, but I think mod_deflate can do better than vdelta as far as
>compression is concerned (well, slightly better); of course, ra_svn
>doesn't have its mod_deflate; hm, perhaps we should just use zlib with
>ra_svn, to get comparable throughput?
>
>
When I'm looking for a compression algorithm to speeds stuff up, I
typically go with LZO. While its not very standard, its nearly as fast
as a memcpy and it works in a very small memory footprint. Even from
reading from a fast hard disk (40MB/s+), you can get better performance
if you store your data in LZO format and decompress as you read.

http://www.oberhumer.com/opensource/lzo/

There is also a minilzo library that can do basic compression and
decompression in a single pair of .c & .h files, so its very small.
This is the library I usually use for getting performance gains over
doing raw IO.

http://www.oberhumer.com/opensource/lzo/download/minilzo-1.08.tar.gz

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Received on Tue Feb 11 21:01:24 2003

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