lz4hc compression in UBIFS?

Artem Bityutskiy dedekind1 at gmail.com
Fri Oct 4 00:44:44 PDT 2013


On Thu, 2013-10-03 at 22:09 -0500, Brent Taylor wrote:
> +config UBIFS_FS_LZ4HC
> +       bool "LZ4HC compression support" if UBIFS_FS_ADVANCED_COMPR
> +       depends on UBIFS_FS && CRYPTO_LZ4HC
> +       default y
> +       help
> +          LZ4HC compressor is generally faster than zlib but compresses worse.
> +          Say 'Y' if unsure.

I'd say something like:

LZ4HC is generally beats LZO on decompression speed while provides a lot
better compression ratio (comparable to zlib). Compression speed is
generally slower comparing to LZO, but faster comparing to zlib.

Makes sense?

-- 
Best Regards,
Artem Bityutskiy




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