Python 3.12 Nogil Benchmark

[bratao]

https://github.com/faster-cpython/ideas/blob/main/results/bm-20230416-3.12.0a4-1d39009/bm-20230416-linux-x86_64-faster%252dcpython-nogil_latest-3.12.0a4-1d39009-vs-base.md

[captaintobs]

In general removing the gil will make things slower because you need to make sure things are safe. If most code out there is single threaded, removing the gil may not really have a benefit.