[flac-dev] Performance tests

[lvqcl]

Martijn van Beurden <mvanb1 at gmail.com> писал(а) в своём письме Tue, 02 Feb 2016 08:14:42 +0300:

> Once again, I did some performance testing. Results are here:
>
> http://www.audiograaf.nl/misc_stuff/Comparison on 32-bit ARM
> (Raspberry Pi B).pdf
> http://www.audiograaf.nl/misc_stuff/Comparison on 64-bit Linux
> (2008 Intel).pdf
>
> I'll add some results for 64-bit Windows (2014 Intel with AVX2)
> in a few days. Results look nice, a 20% speedup on my x86_64
> platform for the slowest mode. Not much difference for ARM.
> Sorry for the confusing colors (swapped between the two PDFs)

BTW, 64-bit flac can benefit from 64-bit words in bitreader/bitwriter
routines. Currently it requires --enable-64-bit-words switch in
./configure parameters. It would be interesting to test its effect,
especially on ARM.