Pyston 2.1 Is Blowing Past Python 3.8/3.9 Performance Written by Michael Larabel in Programming on 24 January 2021 at 01:38 PM EST. 28 Comments With this past week's release of Pyston 2.1 as an alternative Python interpreter I was curious to see how the performance compared to that of upstream Python... So here are some weekend benchmarks with a Ryzen 9 5900X system. On a Ryzen 9 5900X system runn