Number of plugin parameters - any limit?

[hyakken]

It seems there are some of issues with handling lots of parameters.

AU Plugin Hosting and sendAllParametersChangedEvents

I have a plugin with a lot of parameters (72,000 approximately). This works fine in VST format but I’ve come up against some huge overheads when creating the plugin when hosting it as an AU. I’ve been going through looking at ways to optimise the parameter systems both on our hosting side, the plugin side and (most importantly) the AU wrapper hosting side as this is by far the biggest bottleneck. The main issue is that during load, setCurrentProgramStateInformation is called which results in a…

My current working plugin has about 600 parameters.
And I have one issue with initialization of the plugin.
My plugin takes about 20sec for initialization.
Release build is much faster, but still takes 5,6 sec.

I profiled my plugin and found one thing.
Adding parameters to AudioProcessorValueTree takes most of the time.
I would like to optimize this process,
but so far I haven’t found anything.