>Score: 130

>binarytrees 46.051 seconds

Without any frame of reference, those values are meaningless.

However there is one I can evaluate:

>1.58 MFLOPS

Given I have an i7-2600 and its flops on benchmarks[1] (FPU Flops score: 8500.09 MFlops), that tells me something I could have guessed: performance is 3 orders of magnitude worse than native high performing code.

Still, in order for this comparison to be complete, I'll have to

- try this benchmark in Firefox with OdinMonkey, the new and very promising JS engine[2]

- run a similar benchmark with "native" LUA

edit: results obtained on W7 SP1 with 16GO RAM and Chrome 27.

1: http://www.maxxpi.net/results/show.php?ID=c3x2c5w6d7b7

2: did you know the logo was awesome? https://wiki.mozilla.org/File:Odinmonkey800.jpg

Would be interesting to compare performance to the other ways of getting Lua to run in the browser, which include writing a Lua bytecode interpreter in JS, converting Lua to JS, and code generation from bytecode.

https://github.com/creationix/brozula https://github.com/mherkender/lua.js (and others, I had a list somewhere)

Quite a few companies are using Lua->JS as a way of doing write once run cross platform games eg we had this talk at London Lua http://www.londonlua.org/luajavascript/index.html

I have no immediate use for this but goddamnit, it's cool.

Does anyone know of a good "compile to js" lua implementation ?

When people blog about don't use default bootstrap template, I often take it with a grain of salt. Now i'm absolutely positive.

<3 <3 <3