On very simple FPU code (mandelbrot set computation writen in basic C) I've observed exactly double the performance when going from 24 to 48 workers on a AMD R

On very simple FPU code (mandelbrot set computation writen in basic C) I've observed exactly double the performance when going from 24 to 48 workers on a AMD Ryzen Threadripper 3960X 24-Core / 48 Threads Processor. I've never seen this kind of HT gain on Intel processors.