Example of Message Passing System: IBM SP-2

• Made out of essentially complete RS6000 workstations

• Network interface integrated in I/O bus

• Most successful MIMD Distributed Memory Machine

L

2

$

Power 2

CPU

Memory

contr

oller

4-way

interleaved

DRAM

General inter

connection

network formed fr

om

8-port switches

NIC

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