On Sun, Mar 02, 2014 at 09:06:44AM -0500, Reinhard Tartler wrote:
That sounds like if the mpg123 package should use:
on armel: --with-cpu=arm_nofpu
on armhf: --with-cpu=arm_fpu
Does this make sense to everybody?
Seems sane to me. armv7 devices without neon are relatively uncommon so
while it's important that they are supported it's IMO not vitally
important to squeeze out every last drop of performance from them.
I wonder what we should use on raspbian? I haven't tested on a Pi yet
but it seems that on all tests i've seen so-far the generic fpu code is
quite a bit slower than the arm nofpu code. Is there any quality
difference from using a fpu vs nonfpu decoder? If so how much
performance degredation do you beleive should be accepted in exchange
for that quality improvement.
Lennart Sorensen wrote:
I think so. armhf's current debian rules automatically picked arm_fpu
with the new version's configure script, so at least that one doesn't
seem to need any explicit help. armel might though.
IMO it's often better to be explicit about this sort of thing. While
upstreams defaults may align with debian armhf's requirements at the
present time and on the present build hardware such defaults are subject
to change either as a result of upstream changes in new versions or as a
result of different build hardware.
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