Re: vim9 Benchmark

On Mon, Jan 10, 2022 at 2:55 PM <arocker@vex.net> wrote:

> > Maybe interesting for benchmark
> > https://github.com/tjdevries/vim9jit
> >
>
> If learning Rust isn't the whole purpose of the project, you might want to
> look at Raku, specifically "grammars". It can be a language for generating
> languages.

In the page https://github.com/tjdevries/vim9jit  there is something not right IMO:
the section about performance uses the "sum" performance test from
https://github.com/vim/vim/blob/master/README_VIM9.md where luajit
is indeed much faster than vim9:

Sum benchmark:

| how     | time in sec |
| --------| -------- |
| Vim old | 5.018541 |                                                                                                                
| Python  | 0.369598 |
| Lua     | 0.078817 |
| LuaJit  | 0.004245 |
| Vim new | 0.073595 |

However, https://github.com/tjdevries/vim9jit omits the fact that in the

other benchmark called "indent", vim9 is faster than luajit. According

to the same README_VIM9.md the second script might be more

representative of what vim scripts typically do.

Indent benchmark:

| how     | time in sec |
| --------| -------- |
| Vim old | 0.578598 |
| Python  | 0.152040 |
| Lua     | 0.164917 |
| LuaJit  | 0.128400 |
| Vim new | 0.079692 |

In any case, it's nice to see that neovim developers are considering

supporting Vim9 script.

Regards

Dominique

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