tekknolagi/icdemo

A small inline caching demo.

A small inline caching demo. The meat is in interpreter.c.

Take a look at the blog post for more information.

Please feel free to submit pull requests with implementations in other languages, or with the extensions mentioned in the blog post. I'd love to see them!

icdemo's Issues

Lacking benchmarks

It would be good to have benchmarks for:

• ADD opcode handler, cached and uncached
• Running the whole code object (ARG, ADD, ...)

Use https://github.com/sheredom/ubench.h

Why we need raw 'ADD' opcode?

I mean, if we assume that most 'ADD' opcode will be applied on int operand,
you can add 'do_add_int()' or something to cache, and replace all 'ADD' with 'ADD_INT' at once,
then if observed non-int operand, turn 'ADD_INT' to 'ADD_CACHED'.
Isn't that quicker?

After all, after first 'ADD' opcode, cache won't be empty, then other 'ADD' are meaningless, so we can just make cache filled before executing the bytecode.