[PD] pd and multi-core processors
potaxpotax at gmail.com
Tue Apr 6 23:40:01 CEST 2010
sorry if i missed the announcement, but where can i find this [pd~]
object and some documentation?
On Tue, Apr 6, 2010 at 9:36 PM, Tim Blechmann <tim at klingt.org> wrote:
>> With my patch open i get these values (average):
>> cpu1 60% cpu2 60% cpu3 11% cpu4 2%
>> Then, when I open a pd~ patch:
>> cpu1 80% cpu2 80% cpu3 40% cpu4 3%
> the average cpu load won't tell you a lot, since the cpu speed is usually
> not constant, but may be modulated (adding some latency hotspots). in
> general, i'd recommend to disable frequency scaling, turbo mode (for nehalem
> cpus) and smt, since it may confuse numbers and can increase the thread
> wakeup latency significantly, if you want to use a machine for low-latency
> real-time audio applications.
>> so, still plenty of overhead on the 4th core, but it doesn't seem to be
> from my understanding, you should split your path into 4 pieces of equal
> load, using 3 pd~ objects, if you want to optimize it for a quad-core cpu.
> tim at klingt.org
> Question: Then what is the purpose of this "experimental" music?
> Answer: No purposes. Sounds.
> John Cage
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