Commit 95c5bbba authored by David Goodell's avatar David Goodell
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[svn-r8405] update URL for Rabenseifner's reduce in reduce.c and allreduce.c

The old one was stale and yielded a 404.

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parent 8abd7c1d
......@@ -52,7 +52,7 @@ MPIR_Op_check_dtype_fn *MPIR_Op_check_dtype_table[] = {
For long messages and for builtin ops and if count >= pof2 (where
pof2 is the nearest power-of-two less than or equal to the number
of processes), we use Rabenseifner's algorithm (see
http://www.hlrs.de/organization/par/services/models/mpi/myreduce.html ).
http://www.hlrs.de/mpi/myreduce.html).
This algorithm implements the allreduce in two steps: first a
reduce-scatter, followed by an allgather. A recursive-halving
algorithm (beginning with processes that are distance 1 apart) is
......
......@@ -210,7 +210,7 @@ fn_fail:
}
/* An implementation of Rabenseifner's reduce algorithm (see
http://www.hlrs.de/organization/par/services/models/mpi/myreduce.html).
http://www.hlrs.de/mpi/myreduce.html).
This algorithm implements the reduce in two steps: first a
reduce-scatter, followed by a gather to the root. A
......
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