Hello, early me send ticket №111868 with my problem, now me have this problem too with last verison.
On ver.3.10, 1500000 hands imports 30-40min and final speed 600h/s, on last ver PT3 3.11.9 (and 3.11.3) this hands import 8 hours and Begin speed =620h/s and Final speed = 30h/s !!
