[plt-scheme] 301.7

From: Paulo J. Matos (pocmatos at gmail.com)
Date: Thu Feb 23 10:10:01 EST 2006


Why is http://pre.plt-scheme.org/installers/ out of date. Still with 301.5 ?

Is there a problem with the site?

Paulo Matos

On 23/02/06, Matthew Flatt <mflatt at cs.utah.edu> wrote:
> MzScheme and MrEd are now version 301.7 in the SVN repository trunk.
> The change is minor and mostly internal. MzScheme's C API now includes
> scheme_make_prim_closure_w_arity(), which is like
> scheme_make_closed_prim_w_arity(), but with a slightly different
> calling convention: the closure data is stored inline in the procedure
> object, and the procedure object (which includes the closure data) is
> passed as the last argument to the procedure's C function, instead of
> passing the closure data as the first argument to the C function. This
> change to the calling convention avoids a branch in the interpreter,
> and it allows calls to "primitive closures" to use a fast path in JITed
> code.
> Matthew
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Paulo Jorge Matos - pocm at sat inesc-id pt
Web: http://sat.inesc-id.pt/~pocm
Computer and Software Engineering

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