[pulseaudio-discuss] [PATCH RFCv3 00/51] optimizations
Peter Meerwald
pmeerw at pmeerw.net
Wed Nov 5 02:37:45 PST 2014
Hi,
> > > preliminary benchmarking on Intel i5-2400S, 64-bit, Linux 3.13:
> > >
> > > running 'paplay --latency-msec=10 stereo_48KHz.wav', output on internal
> > > soundcard (Intel HDA), measuring the maximum CPU% in top for the pulseaudio
> > > and paplay
> > >
> > > code flags PA paplay
> > > master 6d1fd4d1 -O2 < 14.0% < 3.7%
> > > master 6d1fd4d1 -O2 -DNDEBUG < 13.3% < 3.3%
> > > proposed v3 -O2 < 8.3% < 1.3%
> > > proposed v3 -O2 -DNDEBUG < 7.6% < 1.3%
same benchmark, with 'paplay --latency-msec=20 stereo_32KHz.wav' on a
beagleboard-XM (ARMv7, Cortex-A8, 1 GHz), 32-bit, Linux 3.7 output to
TWL4030 codec:
code flags PA paplay
master 6d1fd4d1 -O2 -DNDEBUG < 21.2% < 6.0%
proposed v3 -O2 -DNDEBUG < 7.8% < 1.6%
p.
--
Peter Meerwald
+43-664-2444418 (mobile)
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