[plt-scheme] build-vector avoids sharing problem

* Bill Richter <richter at math.northwestern.edu> [030207 05:07]:
> Rohan Nicholls <rohan.nicholls at informaat.nl> responds to me:
> 
>    from a quick perusal of the mzc manual, wouldn't this make your
>    code native, giving you the speed boost you are looking for?
> 
> I tend to think that mzc isn't a serious competitor of Gambit, but
> instead is a way of making DrScheme libraries, which sounds like a
> really good thing but a different thing.  From the manual:
> 
> 1.1  mzc Is...
> 
>      The mzc compiler takes MzScheme (or MrEd) source code and
>      produces [...] platform-specific native-code libraries (.so or
>      .dll files) to be loaded into MzScheme (or MrEd).
> 
> 
>      The native-code compiler attempts to optimize a source program so
>      that it runs faster than the source-code or byte-code version of
>      the program. See section 1.4 for information on obtaining the
>      best possible performance from mzc-compiled programs.
> 
> 1.2 mzc Is Not...
> 
>      mzc does not generally produce stand-alone executables from
>      Scheme source code. The compiler's output is intended to be
>      loaded into MzScheme (or MrEd or DrScheme). However, see also
>      section 5 for information about embedding code into a copy of the
>      MzScheme (or MrEd) executable.
> 
>      mzc does not translate Scheme code into similar C
>      code. Native-code compilation produces C code that relies on
>      MzScheme to provide run-time support, which includes memory
>      management, closure creation, procedure application, and
>      primitive operations.
Oops, I guess the perusal was too quick.;)

Sorry about that, and good to know, I was languishing under false
assumptions.

rohan