Effectful is better at running unspecialized mtl-style code than transformers

This is something I’ve discovered a year ago and wanted to include in a refined version of benchmarks, but since I didn’t manage to do that in such a long time, let me just share this particular bit. A reminder: countdown - a microbenchmark that effectively measures performance of monadic binds and the effect dispatch. filesize - a more down to earth benchmark that does various things, including I/O. Each benchmark has two flavours that affect the amount of effects available in the context: ...