[Openmcl-devel] Floating point performance

Paul Onions wibble37 at mac.com
Sun Jan 31 11:36:20 UTC 2010


On 31 Jan 2010, at 10:26, Gary Byers wrote:

> LAP is an acronym for "Lisp Assembly Program"; it refers to a way of
> writing functions in assembly language in a lisp system.  It's
> mentioned in the "Lisp 1.5 Programmer's Manual", which was published
> in 1960.  Sheesh.  These kids ...

Kid? I wish ... :-)

   [ ... nice explanation snipped ... ]

> I'll probably do this in a few days; whatever the slight benefit of
> using the optional SQRT instructions might be, it's clear that it's
> not worth the performance hit of emulation, resulting confusion, and
> subsequent email.

Is it worth your time to do this? After all I am using old technology  
here. I can't imagine there are that many other G4 users out there. I  
would offer to do the work myself and send you a patch only I think my  
unfamiliarity with CCL internals would be a bit of a problem.

Thanks,
Paul



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