Some simple benchmarks

[TheFiZi]

I don't see the Wiki enabled in this repo or I'd suggest putting them there. Maybe a new section at the bottom of the README so people can get a general idea of how long generation takes?

This was with the default example provided in the README

#MarioGPU Benchmarks
## CPU (Intel i7-12700K)
Execution time: 293.0745s

## CPU (AMD Ryzen 9 5950X)
Execution time: 384.3558s

## CPU (Intel Xeon E-2176G (2 cores))
Execution time: 751.6939s

## CUDA (Nvidia Quadro P620)
Execution time: 186.1026s

## CUDA (Nvidia 3070)
Execution time: 21.4382s

## CUDA (Nvidia 3090 Ti)
Execution time: 11.7694s

[shyamsn97]

Sounds good!