Re: Why is Elisp slow?

[조성빈]

> 2019. 5. 7. 오후 9:56, Stefan Monnier <monnier@IRO.UMontreal.CA> 작성:
> 
>>>  - Writing wrappers in lisp for all our C functions exposed to Lisp I
> 
> All those are defined with a "DEFUN" macro on the C side.
> Whatever change is needed on this side can likely be made largely
> mechanically, so I'm not worried.
> 
> Similarly, you'll need to rewrite all the functions/macros like CONSP,
> SYMBOLP, FIXNUMP, XCAR, XCDR, make_fixnum, ...  Performance of those
> is important.

Why would you not use the default CL’s defun, car, cdr, symbol-p, cons-p, etc, 
etc?

>> What I was thinking about using CL to support Elisp is to define a new
>> namespace for symbols (which, in CL terms, is a so-called ‘package’)
>> named ‘elisp’.
> 
> As I already mentioned, this already exists: elisp.lisp.
> 
> 
>        Stefan
>