<br><br><div class="gmail_quote">On Mon, Nov 28, 2011 at 7:25 PM, Eliot Miranda <span dir="ltr"><<a href="mailto:eliot.miranda@gmail.com">eliot.miranda@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<br><br><br><div class="gmail_quote">On Sat, Nov 26, 2011 at 3:02 PM, Chris Muller <span dir="ltr"><<a href="mailto:asqueaker@gmail.com" target="_blank">asqueaker@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Compact classes cannot be made uncompact in a Cog+JIT VM.<br></blockquote><div><br></div><div>Not exactly true. Certain classes cannot be uncompacted. These are as defined by</div><div> StackInterpreter>>#checkAssumedCompactClasses</div>
<div>and the ones that can't be uncompacted are</div><div><div><span style="white-space:pre-wrap"> </span>Array</div><div><span style="white-space:pre-wrap"> </span>LargeNegativeInteger</div>
<div><span style="white-space:pre-wrap"> </span>LargePositiveInteger</div><div><span style="white-space:pre-wrap"> </span>Float</div><div><span style="white-space:pre-wrap"> </span>MethodContext</div>
</div><div><br></div><div>There is a performance advantage to being able to identify instances of these classes from the compact class index.</div><div><br></div><div>But any other classes should be able to be compacted and uncompacted.</div>
</div></blockquote><div><br><br>Eliot, should we validate this in image side (#becomeUncompact) ?<br><br> <br></div><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
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Can compact classes be made uncompact when running the StackInterpreter VM?<br></blockquote><div><br></div><div>It is exactly the same story. The same classes are assumed to be compact in the StackInterpreter VM as the CoInterpreter VM.</div>
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Thanks.<br>
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</blockquote></div><br><br clear="all"><div>HTH</div>-- <br>best,<div>Eliot</div><br>
<br></blockquote></div><br><br clear="all"><br>-- <br>Mariano<br><a href="http://marianopeck.wordpress.com" target="_blank">http://marianopeck.wordpress.com</a><br><br>