Re[2]: [Gc] Per-thread stack requirements for GC?

Ivan Maidanski ivmai at mail.ru
Thu Jun 18 23:30:31 PDT 2009


Hi!

Bruce Hoult <bruce at hoult.org> wrote:
> On Fri, Jun 19, 2009 at 2:41 AM, Talbot, George<Gtalbot at locuspharma.com> wrote:
> > Hey guys,
> >
> > Technical question-I have a program using the GC with many threads, and am trying to reduce my memory consumption by reducing the thread stack size from 2MB on my Linux machine to something smaller.
> >
> > Does anybody have a handle on the stack-size requirements of the BDW collector so that I can safely size my thread stacks?
> 
> The collector uses very little stack because all the "recursion"
> during tracing is handled explicitly using a work queue.
> 
> I was using it on mobile phones and the stack use was on the order of 1 KB.
> 
> I'd made a few modifications to the code, mostly to eliminate global
> variables (which weren't supported on the platform). I don't recall
> whether there were changes to reduce stack use, but I don't think so.

You mean You've added setters/getters for these vars, don't you?

Bye.


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