Sharpero

This is an implementation of an Interpreter/Compiler for the Prospero challenge, implementing some basic optimizations including removing constants from the instruction tape, vectorization, parallelization but also optionally compiling the loop of the evaluator to CIL prior to invocation.

It doesn't perform any sophisticated interval-arithmetic based optimizations (... yet), it's essentially a brute-force approach.

This program is also an interactive visualizer of the rendering process, allowing you to see exactly how it's writing the image data out, and toggle vectorization, parallel execution, compilation on/off and observe the effects on runtime.

How do I run it?

You'll need .NET 10, with dotnet run -c Release that should be all you need for it to fetch all of its dependencies and run.

The only dependencies are RayLib-Cs (for the interactivity) and SkiaSharp (for writing out the image).

(Crude) Benchmark Results

On my own machine (CPU: Ryzen 7 4800HS), the results tabulate roughly as follows.

Compilation	Parallelism	Vectorization	Evaluation Time	Compilation Time
enabled	enabled	enabled	0.2s	0.2s
enabled	enabled	disabled	1.3s	0.2s
enabled	disabled	enabled	1.7s	0.2s
enabled	disabled	disabled	10s	0.2s
disabled	enabled	enabled	0.7s	N/A
disabled	enabled	disabled	5.0s	N/A
disabled	disabled	disabled	48s	N/A

Recommendations

Probably don't use this with some kind of agentic LLM workflow, bad things might happen :)

Don't say I didn't warn you.

License

MIT/X11