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Message from discussion Trace trees
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mikong  
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 More options May 30 2008, 4:03 am
From: mikong <michaelgal...@gmail.com>
Date: Fri, 30 May 2008 01:03:12 -0700 (PDT)
Local: Fri, May 30 2008 4:03 am
Subject: Trace trees
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I'm just posting this in case anyone finds this useful.

Here's the abstract for the paper on trace trees entitled "One Method
at a Time is Quite a Waste of Time":

Most just-in-time compilers for object-oriented languages operate at
the granularity of methods. Unfortunately, even “hot” methods often
contain “cold”
code paths. As a consequence, just-in-time compilers waste time
compiling code
that will be executed only rarely, if at all. We discuss an
alternative approach in
which only truly “hot” code is ever compiled.

This is the link to the article:

http://www.ics.uci.edu/%7Efranz/Site/pubs-pdf/C44Prepub.pdf

Just a disclaimer, I am not knowledgeable about trace trees, VMs,
compilers, etc. I only read Steve Yegge's post on dynamic languages,
and read a couple of papers linked from that article about type
inference and trace trees.

It would have been nice if I have forked Rubinius and implemented a
code to demo trace trees but I'm not really at that level yet. Right
now, I'm just at the stage of looking for a good book on compilers so
that I can contribute to Rubinius in the future.


 
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