I tend to resort to specialised developer tools at that point, because when all you have is a hammer, etc. I’m not aware of anything usefully granular outside of the toys that come with Xcode. @a.harker do you have any hot tips?
In any case, @tutschku, if this is broadly the same patch you shared in the Mfcc comparison thread I can try running it a bunch of times with the debugger attached and see what I see.
There was a memory leak in alpha 7, but I’m pretty sure we fixed that 