deva wrote:I just tried some experiments myself at 128 sample buffer size and my CPU usage is quite high as well...
This means your JACK server is configured improperly. On my CPU, an empty Ardour project takes up not more than 5-6% of CPU. As I know from DrumGizmo IRC talks, your PC is much more powerful than mine.
deva wrote:I tried setting up a session with DrumGizmo, note the CPU usage and then remove the plugin from the project and observered the CPU usage dropping only marginally
This one means that DrumGizmo works well on your machine. Before 0.9.15, I never have had such performance problems, only those related to resampler, which were fixed a long ago. Do you have any idea on how to trace the problem? I tried to launch it in Carla to make sure Ardour doesn't interfere, but got a crash when tried to load a drumkit XML.