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Re: [Chicken-users] type-and-range-check optimizations in unsafe mode

From: felix winkelmann
Subject: Re: [Chicken-users] type-and-range-check optimizations in unsafe mode
Date: Sat, 2 Sep 2006 09:29:43 +0200

On 9/1/06, Will M Farr <address@hidden> wrote:

1. C_xxx in runtime.c check as few argument types and ranges as
possible consistent with genericity of operation.
2. Type and range checks are inserted in library.scm before calling
C_xxxx procedures so that they are absent in the unsafe library code
and in any unsafe code which inlines the library procedures (using
(declare (unsafe) (usual-integrations) (inline)), would inline these
I assume).

This shouldn't be too much work, and it's pretty straightforward work
at that.  I would be happy to implement it and submit patches if
felix and others think it's OK to include.  We could then check for
improvement on, say, the shootout benchmarks.

A very good idea.


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