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Message from discussion Next Apocalypse
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Dan Sugalski  
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 More options Sep 15 2003, 6:48 pm
Newsgroups: perl.perl6.language
From: d...@sidhe.org (Dan Sugalski)
Date: Mon, 15 Sep 2003 18:12:43 -0400
Local: Mon, Sep 15 2003 6:12 pm
Subject: Re: Next Apocalypse
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At 3:30 PM -0600 9/15/03, Luke Palmer wrote:

>The problem is we need to somehow un-optimize while we're running.  That
>is most likely a very very hard thing to do, so another solution is
>probably needed.

It is, indeed, a very hard problem. It's solvable if you disallow
several classes of optimization (basically ones that involve code
motion) that make things less than optimal. You can also scatter a
lot of tests for invalidations and have the notification system set
the flags, though there are still code motion problems there. (Loops
are particularly troublesome)
--
                                         Dan

--------------------------------------"it's like this"-------------------
Dan Sugalski                          even samurai
d...@sidhe.org                         have teddy bears and even
                                       teddy bears get drunk


 
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