Re: Is it supposed to be faster to call a C function than a Lua function when in Lua?

[Thomas Jericke <tjericke@...>]

On 06/27/2013 05:30 AM, Eric Wing wrote:
> Is this the expected behavior? I know my simple arguments in this case
> make things much easier, but I was always under the impression that
> crossing the language bridge was much more expensive than staying in
> the interpreter (i.e. you're only supposed to win if the stuff you do
> in your function on the native side is computationally expensive
> enough to overcome the cost of calling the function).

If you look at the c code of the Lua interpreter, this is not really 
surprising. There is not really a language bridge at that point. The Lua 
interpreter is in C as well. All it does is a call of a C function pointer.

--

Thomas