[flac-dev] about word size in bitreader/bitwriter

lvqcl lvqcl.mail at gmail.com
Sun Dec 20 02:30:57 PST 2015


Erik de Castro Lopo wrote:

> The think in and ideal world we would a:
>
> * Make it work correctly FLAC__BYTES_PER_WORD == 8 and compare the performance
>   with FLAC__BYTES_PER_WORD == 4.
> * If there is an statistically measurable performance, keep it, otherwise
>   remove the FLAC__BYTES_PER_WORD == 8 code all together.

I'll try to do it, but I don't have a deep understanding of bit(read|write)
routines such as FLAC__bitreader_read_rice_signed_block() and other.
Maybe Miroslav Lichvar can say something?


> Since you seem to think there little to be gainned

No, I just don't know what performance improvement can be obtained
(and of course FLAC is very fast already).


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