impossible → routine
No-limit poker
Beating professional players at no-limit Texas hold'em poker.
Impossible
Libratus beats four heads-up specialists by $1,766,250 in chips over 120,000 hands, drawing on about 600 nodes of the Bridges supercomputer.
roughly 600 of Bridges' 846 compute nodes
source2 years, 5 months
Routine
Pluribus beats professionals at six-player no-limit hold'em after computing its strategy in eight days and 12,400 core hours, playing live on 28 cores.
12,400 core hours to train; 28 cores in live play
sourceThe 2019 announcement makes the comparison itself: Libratus had used around 15 million core hours to develop its strategies and 1,400 CPU cores during live play; Pluribus used 12,400 core hours and 28 cores.