I'm in the process of tuning my JIT, and thus far it's going pretty well.
However I can't mark the args in my Frame object a virtualizable array,
because doing so throws this exception:
[translation:info] File
"/Users/tim/Dropbox/oss/pypy/rpython/jit/metainterp/warmspot.py", line 477,
in make_virtualizable_infos
[translation:info] vinfos[VTYPEPTR] = VirtualizableInfo(self, VTYPEPTR)
[translation:info] File
"/Users/tim/Dropbox/oss/pypy/rpython/jit/metainterp/virtualizable.py", line
52, in __init__
[translation:info] assert isinstance(ARRAY, lltype.GcArray)
Digging into it I see that ARRAY is: <GcStruct list { length, items }>--
That makes me think that there's something I'm doing to my list of args
that's flagging it as a list instead of a GcArray? Before I go and rework
how args are handled in my interpreter I'd like a bit more information
about what could be going on here.
For the record, I make sure that every access to my args array is inside
the valid range of the array, and is always a positive value. I'm then
marking it as "args[*]" in my virtualizables.
If I remove the [*] it translates fine, but then allocates a list on every
invocation of an interpreter function.
Thanks for all the help this far, my interpreter is coming along nicely.
Timothy Baldridge
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