Somehow, you fixed it anyway.
I missed a few, but just updated to 059. As you suggest, I ran it first with the default config file. It took about 8 minutes and used 90% to 95% of the CPU.
I then put in my play_nice code and it took about 45 minutes and used almost no CPU.
But setting play_nice_sleep = 0 now takes about 15 minutes with CPU usage between 45% and 50%.
PERFECT.
Many thanks again for your amazing efforts on this.
Michael