[flac-dev] slow on apple silicon?

[Martijn van Beurden]

Op wo 6 jul. 2022 om 20:45 schreef Scott Brown <scottcbrown at gmail.com>:
>     Neon optimizations : ...................... no

It seems for some reason NEON is not enabled by configure. Can you
provide the config.log file so I can check what goes wrong?

> But this version is even *slower* than the released 1.3.4. Running the native arm build from the latest code took 3:54 (3 minutes, 54 seconds) (3:10 on the released 1.3.4 code).
> Compiling for intel from the latest code, the intel build through emulation took 3:02 (1:50 on the released 1.3.4 intel build)

If you did the timing with the highest presets (-6, -7 or -8) most of
this slowdown is caused by recent improvement in compression at the
cost of encoding speed. See https://github.com/xiph/flac/pull/245