An (almost) full-GPU Implementation of Gumbel MuZero in Julia.

AlphaZero.jl is making two significant decisions to overcome the computing challenge in those algorithms. The first is the selection of Julia as the unique programming language used for this project. The second is the main focus of this Google Summer of Code (GSoC): two fully-batched implementations of the Monte Carlo Tree Search (MCTS) algorithms running on GPU. The MCTS algorithm is a crucial bottleneck for MuZero. It could account for up to 80% of the execution time of the previous (non-batched) implementation.