The output you mention has been removed, because it was wrong way too often. However, the optimizations are still present.
Op ma 27 feb 2023 om 20:42 schreef Scott Brown <scottcbr...@gmail.com>: > Hello again, > > Quick question about 1.4.2 source. When I comopiled the latest source back > in September, I got the " Neon optimizations : ...................... > yes" output. When I compile the official 1.4.2 source, there's nothing > about Neon. Has this just been removed from the output, or is the official > 1.4.2 missing something? > > Thanks, > Scott > > On Mon, Sep 19, 2022 at 4:15 PM Scott Brown <scottcbr...@gmail.com> wrote: > >> Hi everyone, >> >> I'm back with the same issue as before: flac encoding on an M1 Max >> Macbook pro is much slower on an arm build of 1.4.0 than it is running >> through emulation on an x86_64 build. >> >> ./configure -enable-static -disable-shared CFLAGS=" -arch arm64 -isysroot >> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk >> -mmacosx-version-min=10.9" CXXFLAGS="-arch arm64" LDFLAGS="-arch arm64" >> >> gives: >> >> Configuration summary : >> >> FLAC version : ............................ 1.4.0 >> >> Host CPU : ................................ aarch64 >> Host Vendor : ............................. apple >> Host OS : ................................. darwin21.6.0 >> >> >> Compiler is GCC : ......................... no >> Compiler is Clang : ....................... yes >> SSE optimizations : ....................... yes >> Neon optimizations : ...................... yes >> Asm optimizations : ....................... yes >> Ogg/FLAC support : ........................ no >> Stack protector : ........................ no >> Fuzzing support (Clang only) : ............ no >> >> Encoding flac level 8 for 1 file with 1.4.0 for x86_64 takes: 7.38 seconds >> The same file with the arm build from the settings above: 41.71 seconds >> >> This file is a 24 bit, 96khz wav file. >> >> Any idea what's causing this? >> >> Thanks, >> Scott >> >> On Sun, Jul 10, 2022 at 5:01 PM Scott Brown <scottcbr...@gmail.com> >> wrote: >> >>> 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-requ...@xiph.org> wrote: >>> >>>> Send flac-dev mailing list submissions to >>>> flac-dev@xiph.org >>>> >>>> To subscribe or unsubscribe via the World Wide Web, visit >>>> http://lists.xiph.org/mailman/listinfo/flac-dev >>>> or, via email, send a message with subject or body 'help' to >>>> flac-dev-requ...@xiph.org >>>> >>>> You can reach the person managing the list at >>>> flac-dev-ow...@xiph.org >>>> >>>> When replying, please edit your Subject line so it is more specific >>>> than "Re: Contents of flac-dev digest..." >>>> >>>> >>>> Today's Topics: >>>> >>>> 1. Re: slow on apple silicon? (Robert Kausch) >>>> >>>> >>>> ---------------------------------------------------------------------- >>>> >>>> Message: 1 >>>> Date: Fri, 8 Jul 2022 14:16:33 +0200 >>>> From: Robert Kausch <robert.kau...@freac.org> >>>> To: flac-dev@xiph.org >>>> Subject: Re: [flac-dev] slow on apple silicon? >>>> Message-ID: <b97549ba-844d-cc21-752b-5889e3581...@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 <scottcbr...@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.kau...@freac.org >>>> >>>> >>>> >>>> ------------------------------ >>>> >>>> Subject: Digest Footer >>>> >>>> _______________________________________________ >>>> flac-dev mailing list >>>> flac-dev@xiph.org >>>> http://lists.xiph.org/mailman/listinfo/flac-dev >>>> >>>> >>>> ------------------------------ >>>> >>>> End of flac-dev Digest, Vol 191, Issue 7 >>>> **************************************** >>>> >>>> _______________________________________________ > flac-dev mailing list > flac-dev@xiph.org > http://lists.xiph.org/mailman/listinfo/flac-dev >
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