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Rich Graham b9520e61dc get the sm optimized allreduce working for all but user defined
operations.  Added to the reduction operations a set of reduction
functions that take 2 input buffers and one output buffer to avoid
some extra memory copies.  These can't be used with user defined
operations.  The intel c collective suite passes both original, and
new (new, not the user defined operations).

This commit was SVN r17901.
2008-03-20 23:51:16 +00:00
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