[Mono-devel-list] Thread stacks sizes - interpreter vs J

Varga Zoltan vargaz at freemail.hu
Sat Oct 4 06:32:35 EDT 2003


   I would recommend adding a function to io-layer to set
the default
stack size. The JIT and the interpreter could call it with
different values on startup.


Bernie Solomon <bernard at ugsolutions.com> írta:

> I am getting ready to actually put in some of my HPPA 64
bit support and in
> looking at my changes have a question on how to handle
thread stack sizes.
> Currently it is set to 2Mb on all platforms. For 64 bits
this could be made
> 4Mb say. However when running the interpreter (partcularly
on HP which seems
> to generate large stack frames) this is not enough to,
say, run some of the
> nunit tests. I've found 32Mb works (not a finely tuned
number...) but don't
> want to blindly set stack size to this even just for 64bit
machines. One
> possibility is to somehow detect whether we are running
under the
> interpreter or JIT and if under the interpreter just scale
the JIT number up
> by some factor. Another is to have a bunch of platform
specific stack sizes
> but even then they probably should be different for
interpreter vs JIT.
> One problem is that I can't see an obvious way for the
> emulation to know whether it is running under the
interpreter or not and the
> stack size is currently set here. Perhaps it should
actually make use of the
> stack size argument and be set at a higher level and fed
down from mini/mint
> initialization?
> Anyway I was wondering what other people's thoughts were
on how to handle
> this - and I can have a go at implementing it.
> Bernie Solomon
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