[FFmpeg-cvslog] r21799 - in trunk/libavcodec: Makefile alsdec.c bgmc.c bgmc.h

Carl Eugen Hoyos cehoyos
Mon Feb 15 18:31:07 CET 2010


Thilo Borgmann <thilo.borgmann <at> googlemail.com> writes:

> >> I have staged tests for these 6 16-bit files. Linux / x86_64 / icc 11.1 
> >> produces different results for all files.
> > 
> > Needs -parallel when compiling alsdec.c for correct results.
> 
> This is interesting. Is this just an observation or do you have some
> more detailed information what aspect of -parallel makes things functional?

Only that the correct sentence should have been:
To compile alsdec.c correctly with icc -O3, -parallel is also needed.
(I was unable to find the exact "part" of O3 that breaks it, I was actually
unable to find out what O3 exactly enables.)

[...]

> > (and one should always use -parallel with icc anyway).
> 
> Why don't we use -parallel for icc in general then?

http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/80838/focus=80842

Carl Eugen




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