[Vm-dev] Simulating the Cog V3 VM

Eliot Miranda eliot.miranda at gmail.com
Wed May 11 18:34:39 UTC 2016


Hi Laura,

    and welcome!

On Wed, May 11, 2016 at 10:39 AM, Laura Perez Cerrato <
lauraperezcerrato at gmail.com> wrote:

>
> Hello, everyone,
>
> I've been trying to simulate the Cog V3 VM using the snippets provided
> in the VMMaker image with no success. The VM seems to start up fine
> until it tries to perform a full GC, which raises a debugger with the
> following message: 'MessageNotUnderstood:
> InLineLiteralsManager>>backEnd'
>

It was a bug.  Thanks for finding it!  It's fixed in VMMaker.oscog-eem.1858
Author: eem
Time: 11 May 2016, 11:29:11.609577 am
UUID: 4b71a017-2e37-4c2f-bab6-9010e95cb2ea
Ancestors: VMMaker.oscog-tpr.1857

Fix slip in closedPICRefersToUnmarkedObject:


>
> The image built using the provided scripts shows a lot of messages
> related with undelcared variables and some of the snippets in the
> different workspaces include unimplemented messages (e.g.
> #removeUnneededBuiltins, present in the Slang test workspace, lacks
> implementors in this image). I suspect something could've gone wrong
> during the automatic package loading process. However, I seem to have
> all the necessary changesets installed (telling from a quick
> inspection of the repository using Monticello).
>

Thanks, I'll try and clean these up.  Please keep reporting any anomalies
you find.


> I'm not familiar with the inner workings of the VM and have been
> working on this only very recently, so my apologies if I seem to be
> asking something obvious.


I'm curious about your project(s).  Would you care to say something about
what you're doing?


>
> Thanks in advance,
>
> -Laura Perez Cerrato
>


_,,,^..^,,,_
best, Eliot
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