<div dir="ltr"><div class="gmail_extra"><div><div dir="ltr"><div>On Fri, May 16, 2014 at 10:20 AM, Esteban Lorenzano <span dir="ltr"><<a href="mailto:estebanlm@gmail.com" target="_blank">estebanlm@gmail.com</a>></span> wrote:<br>
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On 15 May 2014, at 18:46, Hilaire Fernandes <<a href="mailto:hilaire.fernandes@gmail.com">hilaire.fernandes@gmail.com</a>> wrote:<br>
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> Great.<br>
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> As we are discussing about build, is it possible to compile CogVM on 64<br>
> bits architecture as it is already the case for the interpreted SqueakVM<br>
> (<a href="https://packages.debian.org/sid/squeak-vm" target="_blank">https://packages.debian.org/sid/squeak-vm</a>)?<br>
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I do not understand. To compile a regular vm in a 64bits platform is trivial. You just need to have the 32bits library installed.<br>
But to have a 64bits vm that runs on 64bits… that’s another very different history:<br>
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- you need a 64bits image (so trace, export, etc.)<br></blockquote><div><br></div><div>ImageTracers are intriguing to me :-) Is this in some way relatable to Oz? What's that project doing now? It was very interesting/useful. Guille?</div>
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- you need to be 64bits word size aware (not so complicated, but a lot of work).<br>
- you need 64bits plugins (a lot of them)<br>
- you need 64bits JIT (or no JIT at all)<br>
<br></blockquote><div><br></div><div>And...</div><div><br></div><div>* 64-bit aware hashing functions as the current ones are 32-bit centric. So, not so trivial I'd say. (what's the plan?)</div><div><br></div><div>
* special care of the Float which will be directly in a 64 bit "oop" - I guess we'll face some fun here. Especially with the float plugin. </div><div><br></div><div>As a side note, I see that <a href="http://www.mpfr.org/">http://www.mpfr.org/</a> is supported by INRIA. WTF aren't we considering this ? LGPL and INRIA may help getting some special thing for Pharo.</div>
<div><br></div><div>Phil</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
Some time ago there was an experimental 64bits interpreter vm (not even stack). Who worked with a special traced image.<br>
What squeak guys are doing in the link you provide is still building a 32bits vm.<br>
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Now. In the agenda for this year is to work on a 64bits spur version. If everything is fine and the stars align properly, it will be ready around christmas.<br>
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Esteban<br>
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> Hilaire<br>
><br>
> Le 15/05/2014 18:24, Esteban Lorenzano a écrit :<br>
>> so yes… I integrated the fix, created a pull request, waited until validation… and then I forget to merge :S<br>
>> it should be in process to build now.<br>
<span class=""><font color="#888888">><br>
> --<br>
> Dr. Geo <a href="http://drgeo.eu" target="_blank">http://drgeo.eu</a><br>
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