| Description | I am creating a music software on linux using jack, that has multiple outputs (16). When running full dsp process in my program (many synths, samplers, etc..), the cpu load is little high but nothing near troubling. This is when jack client's outputs are unconnected or connected straight to sound card outputs.
So, then as I start Ardour and open empty template (no plugins or anything), cpu load stays down in 5% (monitoring with top) until I connect my program's outputs into Ardour inputs (mono tracks). After that, Ardour cpu usage jumps to 80-95% and causes everything to slow down into unusable, even if my prog is not processing much anything. This doesn't make any sense as puredata instances with the same or higher amount of jack outputs are not causing similar cpu loads to ardour (empty or even full with plugins). This does not happen when my program is connected to puredata or audacity with as many outputs as possible.
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