[PD] disable cores on linux to use as dedicated dsp

Charles Z Henry czhenry at gmail.com
Fri Sep 9 10:54:53 CEST 2016


The linux tools you're looking for are CPU sets.  You can pin processes to
the cores you want.  Google "cpuset linux" to get started.  The basic
command used is "cset"



On Wednesday, September 7, 2016, Simon Iten <itensimon at gmail.com> wrote:

> hi list,
>
> i recorded 3 times in a studio last year that uses a daw/pc
> interconnection by pyramix, basically it is a hacked windows system, where
> one or two cores of a multicore cpu are completely hidden from the system.
> these cores are then acessed directly by the daw and used as a very
> powerful dsp. the system is incredible! lowest latencies, high trackcount,
> and the breakout to the adc/dac is a simple network cable.
>
> see here for additional info:
>
> http://www.merging.ch/products/pyramix/masscore
>
> i since wondered if this would be a way to go for puredata? at least on
> linux it seems very easy to deactivate a core (but i don't know if it than
> can be used directly by a process) : echo 0 > /sys/devices/system/cpu/cpu1/online
> for core2 for example.
>
>
> is this a completely stupid idea? note that i have no idea how hard it
> would be to implement something like this
>
>
> thanks for any insight
>
>
>
>
>
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