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キーワード:
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要旨:
We consider the problem of matrix transpose on
mesh-connected processor networks. On the theoretical side,
we present the first optimal algorithm for matrix transpose
on two-dimensional meshes.Then we consider issues on
implementations, show that the theoretical best bound cannot
be achieved and present an alternative approach that really
improves the practical performance. Finally, we introduce
the concept of orthogonalizations, which are generalization
of matrix transposes. We show how to realize them
efficiently and present interesting applications of this
new technique.
