Re: [gentoo-dev] New global USE flag: gzip-dict

[Ciaran McCreesh <ciaran.mccreesh@googlemail.com>]

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On Fri, 19 Dec 2008 17:40:41 +0300
Peter Volkov <pva@gentoo.org> wrote:
> Well, your questions forced me to do my own investigation of gzip
> performance in one real-life scenario which I hope to use really
> soon. I took my Neo FreeRunner and tested gzip decompression speed
> there. Time to read 10Mb file is about ~ 2.15s. But if I need to read
> and decompress it at the same time it takes ~ 9.90s. So this makes
> times slower read of compressed files. Since stardict reads all index
> files on each startup and currently index files of my dictionaries
> occupy more than 20M this makes much longer startup time. I have not
> checked runtime performance. It'll be affected too but, probably, not
> too much since stardict will decompress only required parts of data.
> But anyway gzip is not free and it's better to have it optional.

If it reads (and presumably uncompresses) all of them at startup
anyway, what's the point in compressing them at all?

-- 
Ciaran McCreesh

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