
1.2 Convergence of Parallel Architectures 35
□
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interface/switch
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CPU/mem
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Gigaplane
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(256
data,
41
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83 MHz)
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FIGURE 1.18 Physical and logical organization of the Sun Enterprise Server. A larger-scale
design is illustrated by the Sun UltraSparc-based Enterprise multiprocessor server. The diagram shows its
physical structure and logical organization. A wide (256-bit), highly pipelined memory bus delivers 2.5
GB/s of memory bandwidth. This design uses a hierarchical structure, where each card is either a