Simd Algorithms for D Arrays in Shuffle Networks (Classic Reprint) - Brossura

Ben-Asher, Yosi

Brossura

ISBN 10: 1332195962 ISBN 13: 9781332195961

Casa editrice: Forgotten Books, 2018

Riassunto

Excerpt from Simd Algorithms for D Arrays in Shuffle Networks

Our algorithms correspond to a simd Perfect Shuffle connected machine (ps) For simplicity, although it is not crucial, we assume that P is a power of two. The processors are ordered left to right and are numbered 0 P - l accordingly, so we denote the j 'th processor pej. Subgroups of processors are referred to in a natural manner: left half, right half, odd, even etc. There are three kinds of communication steps: shuffle unshuffle and exchange (ex) and a processor internal (fixed-size) computation. All of these operations take one time step.

In any parallel network machine we have two possible working modes One in which each processor computes a local result of a sequential computation using its local data. Then an inter-processor global algorithm is carried out to compute the final result. In other words, this mode involves separate sequential work by pe's followed by a global parallel step. It is associated with column order of the array: first each column is processed, only then a row of partial results is being processed.

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Dettagli dell'edizione

• Editore: Forgotten Books
• Data di pubblicazione: 2018
• Lingua: Inglese
• ISBN 10: 1332195962
• ISBN 13: 9781332195961
• Rilegatura: Copertina flessibile
• Numero di pagine: 32
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