Charm++ parallel programming system

[Filippo Gioachin <gioachin AT uiuc.edu>]

Christian,

for your purposes, I would suggest looking at the manual on section 3.2.1 (Entry Method Attributes) regarding "threaded" and "sync" entry methods. A combination of the two (m1 threaded and m2 sync) should solve your problem.

Additionally, callbacks are very useful to resume threads as well; 3.15.2 shows how CkCallbackResumeThread can be used to resume m1().

Please remember that other entry methods may run while m1 is suspended, including other m1 methods.

Filippo

On Thu, May 20, 2010 at 03:58, Christian Perez <christian.perez AT inria.fr> wrote:

Hello,

I'd like to know how to block a thread. Here is a simple version of what
I'd like to do:

Chare A:
  m1() {
    do some computation
    invoke method m2 on chare B
    wait for the completion of method m2
    do something else
  }

I've tried to use some callback mechanism but the problem is that
I can not split m1 in two :(

So, is there a wait to suspend the execution (and also how to resume it) ?

Thank you!

Christian Perez

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-- 
Filippo Gioachin
PhD Candidate
Department of Computer Science
University of Illinois at Urbana-Champaign
Ph: +1-217-333-4764