Consistent CPU spike

[zosomagik]

So we all know that when you run multiple instances of your favorite plugins you're prone to some CPU tomfoolery, and I've always perceived this to be kind of a random thing. For example you're CPU will randomly spike to high percentages when it's running the most plugins, or the most CPU hoggin' plugins. But I started working on a tune today that does not have that many tracks at all, and while I am using quite a few plugins, I have made tunes that use more; It's strange because the CPU spikes in one specific part of the song only for an instance, and nowhere else. Why is this?

[fragments]

Are you automating parameters of anything? Its possible that the automation in that one part of the song causes a temporary choke?

[zosomagik]

yeah, I think it's because I had a feedback loop going pretty heavy with a limiter after it so as the feedback grew it just got dirtier and dirtier. But i'm using ableton, so once i figured out where it was coming from i just froze the track. And once i'm done procrastinating on here i'll be well on my way to working on the tune again.