DSP load seems too high for simple networks
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This may be a result of too much buffer copying in mfpdsp, or a specific processor, or something else.
I am working on an 8-bus 4-aux mixer by building a single channel strip and then dynamically building the mixer with @clonescope. A mixer channel strip has about 50 DSP processors in its network, including:
- 14
[outlet~] - 15
[*~] - 7
[slew~] - 4
[line~] - 1
[ampl~] - 1
[snap~ 100]
A single instance of the channel strip takes up about 6.5% DSP at 88k sample rate on my overpowered laptop. That seems excessive.
This is not quite as bad as I thought... a simple patch including 8 channel strips takes up about 22% of CPU. Still need to find out why it's this high (I would expect just a few %, it's not doing anything but MAC and copy of data). I am suspicious of the [ampl~] --> [snap~] team (for displaying signal levels on a meter)
Also:
cpufreq-set -g performance
A lot of what I was seeing was the CPUs being throttled down to starvation, making the CPU load jump. Derp.