(j3.2006) Question from a colleague

[Keith Bierman]

Hard to know for your specific code and specific compiler(s) but it
certainly could be true in some situations.

On Tue, Apr 7, 2009 at 12:36 PM, Van Snyder <Van.Snyder at jpl.nasa.gov> wrote:
> A colleague asked me whether there is a performance benefit if the
> compiler is informed that it is not necessary for a procedure to be
> thread safe.  This actually originated in a discussion of iterators in
> python, CLU and alphard, where the activation record has to be preserved
> between suspension and resumption, as for a coroutine.  My colleague did
> ask, however, whether our code would run faster if we could tell the
> compiler it didn't need to be thread safe.  We use 5 million cpu hours
> per year, so a little improvement makes a big difference.
>
> --
> Van Snyder                    |  What fraction of Americans believe
> Van.Snyder at jpl.nasa.gov       |  Wrestling is real and NASA is fake?
> Any alleged opinions are my own and have not been approved or
> disapproved by JPL, CalTech, NASA, the President, or anybody else.
>
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-- 
Keith Bierman
khbkhb at gmail.com
kbiermank AIM