Re: Overlapping put/get events

From: James Dinan (
Date: Tue May 05 2009 - 08:36:11 PDT

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    Hi Nikita,
    I'm not sure if somebody else has responded already.  With respect to #1 
    I think you can see such a situation for relaxed writes that don't 
    target the same memory location.  It should be valid for the runtime to 
    issue multiple of these writes using nonblocking puts.  This might 
    enhance performance by overlapping communication with computation.
    Nikita Andreev wrote:
    > Hi, guys.
    > The issue with filename, colnum and linenum is resolved. I just 
    > installed upc 2.8.0 and all started to work. Anyway thanks for the help.
    > I have some other questions.
    > 1. Is it possible in UPC that two put/get operations overlap? I need to 
    > match corresponding start/end events in trace file. Could I face 
    > situation when I have such trace:
    > UPC_PUT END? And I don't know which start match which end.
    > 2. There is a GASP_UPC_FORALL event in GASP 1.5 specification. But in 
    > gasp_upc.h header distributed with Berkeley UPC this event is not 
    > declared. Is it implemented?
    > Regards,
    > Nikita.

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