Rhai Performance

[tryoxiss]

I know Rhai is not meant to be blazingly fast--and it dosen't need to be. But it does mention being fast as a feature, and looking at the benchmarks it runs about 5x slower than python, which isn't great given python is generally considered quite a slow language.

[schungx]

Well, it depends on your angle, of course. It is fast enough for many application scenarios. It is also faster than many scripting engines of similar architecture (i.e. AST-walker). Python is not an AST-walker (it compiles to bytecodes), so it is not by far the slowest language...

If you're comparing it with, say, V8 or LuaJIT then there is no contest. So being fast is a fuzzy concept... you need to know how fast is fast enough.

And balance it off with simply embedding the fastest engine (but perhaps paying a heavy integration cost). If you can embed V8, you should -- then you will be really fast, and your users do not need to learn yet another obscure language. But not every application makes sense to embed V8.