[flac-dev] flac-dev Digest, Vol 191, Issue 7

[Scott Brown]

Thank you very much, Robert. Setting the CXXFLAGS and LDFLAGS did indeed
solve my compilation issue.

The resulting build now encodes this same fileset at level 8 in 1:46.

so now we have:

current code in git, intel build running through emulation for this fileset
I was testing on (encode 23 24/96 files at level 8): 3:02
arm build from git, no Neon optimizations: 3:54
arm build from git, with neon optimizations: 1:46

This is definitely an improvement. Thank you to all that helped

Scott

On Sat, Jul 9, 2022 at 8:00 AM <flac-dev-request at xiph.org> wrote:

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>    1. Re: slow on apple silicon? (Robert Kausch)
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> ----------------------------------------------------------------------
>
> Message: 1
> Date: Fri, 8 Jul 2022 14:16:33 +0200
> From: Robert Kausch <robert.kausch at freac.org>
> To: flac-dev at xiph.org
> Subject: Re: [flac-dev] slow on apple silicon?
> Message-ID: <b97549ba-844d-cc21-752b-5889e35819bd at freac.org>
> Content-Type: text/plain; charset=UTF-8; format=flowed
>
> Am 08.07.2022 um 09:26 schrieb Martijn van Beurden:
> > Op wo 6 jul. 2022 om 22:09 schreef Scott Brown <scottcbrown at gmail.com>:
> >
> >     Same list of cputype errors
> >
> >
> > It doesn't seem to be obvious where the problem lies, and I do not
> > have access to ARM-powered Mac hardware (nor any Mac hardware for that
> > matter) so I am unable to debug this. Anyone else?
> Just tried to create an aarch64 Mac build and succeeded with the current
> master.
>
> @Scott Brown, I think the build issue you have is due to not setting
> CXXFLAGS="-arch arm64" in addition to your CFLAGS and LDFLAGS. Because
> of that, the C++ sources are built for x86-64 and then cannot link to
> the aarch64 FLAC library.
>
> I also had to configure with "--host=aarch64-apple-darwin", but if you
> are building on an Apple Silicon Mac that should not be necessary.
>
> ----
> Robert Kausch
> robert.kausch at freac.org
>
>
>
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> End of flac-dev Digest, Vol 191, Issue 7
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