Yes. The same slowdown of about 50% occurs between about seconds 10 and 50 whether it's in a requestAnimationFrame loop or a setTimeout loop. And the slowdown i

Yes. The same slowdown of about 50% occurs between about seconds 10 and 50 whether it's in a requestAnimationFrame loop or a setTimeout loop. And the slowdown is measurable in just the time it takes to modify a Uint8ClampedArray within the loop.