[pulseaudio-discuss] [PATCH] core: Fix a litte-endian bug in ARM svolume code

Colin Guthrie gmane at colin.guthr.ie
Thu Oct 18 06:59:56 PDT 2012

'Twas brillig, and Arun Raghavan at 18/10/12 14:28 did gyre and gimble:
> On Thu, 2012-10-18 at 13:33 +0200, Peter Meerwald wrote:
>>> The old code seems to be written for big-endian code.
>>> NB: This one's really strange since this effectively means that our soft
>>> volumes on ARMv6 have been mostly broken (since almost everybody uses
>>> litte-endian). Review would be appreciated!
>> benchmark results on Cortex-A8 were horrible 
>> (http://lists.freedesktop.org/archives/pulseaudio-discuss/2012-February/012864.html):
>> runtime on beagle-xm, 800 MHz:
>> checking NEON volume_float32ne
>> NEON: 10223 usec.
>> ref: 46480 usec.
>> checking NEON volume_s16ne
>> NEON: 8484 usec.
>> ARM: 339272 usec.
>> ref: 20203 usec.
> So it /was/ working fine on armel at the time, then?

Would the benchmark come from automated tests or actually listening to
things? Is it possible the benchmarks ran, but didn't necessarily
produce any kind of valid results?



Colin Guthrie

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