On Mon, 3 Aug 2020 at 19:52, Stanislav Malyshev <smalys...@gmail.com> wrote:

> I think turning JIT off is a valid use case, the rest looks much more
> iffy. I am not sure we want to let people tell the engine to JIT certain
> functions - are there a lot of cases where the engine wouldn't do it but
> it's actually the right thing to do?
>

Wouldn't a use case be profiling code, to see if JIT makes a difference to
a specific function? So I can profile with JIT disabled globally and @@JIT
on specific code, modify my code and see if it improves the JIT performance?

I'm basing this on my experience with the @jit annotation in Numba (
http://numba.pydata.org/) where it's useful to see the effect on small
pieces of code.

Peter

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