Laboratoire de l'Informatique du Parallélisme LIP-IMAG, Ecole Normale Supèrieure de Lyon, 46 allée d'Italie, 69364, Lyon Cedex 07, France
Abstract:
In this note, we prove that the complexity of scattering in an oriented ring of p processors is (p - 1) (β + Lτ) where L is the length of the messages, β the communication startup, and τ the elemental propagation time.