[racket-dev] using Racket to build an image-based Lisp: feasible?

On Mar 4, 2013, at 9:54 AM, Matthew Flatt <mflatt at cs.utah.edu> wrote:

> At Mon, 04 Mar 2013 09:35:42 -0600, mikel evins wrote:
>> The reason I ask is that MacScheme made it easy to have most of an app 
>> compiled to bytecode, which was very compact and reasonably efficient, but to 
>> optionally and selectively compile performance-critical procedures to native 
>> code. [...] 
>> With MacScheme, the choice of bytecode or native code was a compile-time 
>> decision controlled on a per-procedure basis by optimization parameters.
> 
> In Racket, all code is compiled to bytecode, and all bytecode is
> compiled to native code through a JIT compiler. So, hopefully, this
> will not be an issue at all.

Good to know. Maybe you're right; maybe human-controlled JIT (which is what the MacScheme strategy amounted to) is redundant.