Reminds me just a bit of the Culture series, where in the distant future computing power is essential infinite. In the series, many of the great AIs of unfathom

Reminds me just a bit of the Culture series, where in the distant future computing power is essential infinite. In the series, many of the great AIs of unfathomable intellect spend their free time on the "Infinite Fun Space," which is simulating universes with slightly different starting conditions and physical laws.