REPLICA is a special-purpose computer architecture to support active multi-sensory perception of 3-D objects. The system is partitionable, reconfigurable, and highly parallel. In this paper, we present the design of a set of interconnection networks which form the core of the REPLICA architecture. This set of interconnection networks consists of a capability-enhanced cross-bar switch and multiple fast shift-register rings. The capability-enhanced cross-bar switch supports rapid set-up of partitions, point-to-point communication and broadcasting communication between the controller and processors in a partition. The multiple rings support high bandwidth communications among the processors and also provide the partitionability and reconfigurability required by the system. The cost of these interconnection networks can also be kept low. The communication delay in the ring network is analyzed by deriving an upper bound on the maximum communication delay in a partition. A set of performance attributes for evaluating the performance of reconfigurable, partitionable, and highly parallel computer systems is proposed. Based on this set of attributes, the design of the REPLICA architecture is evaluated and compared with the other reconfigurable, partitionable, and highly parallel computer architectures in the literature.
REPLICA是一种特殊用途的计算机体系结构,用于支持对3-D对象的主动多感官感知。该系统是可分区的,可重新配置的并且高度并行的。在本文中,我们介绍了一组互连网络的设计,这些网络构成了REPLICA体系结构的核心。这套互连网络由功能增强的交叉开关和多个快速移位寄存器环组成。功能增强的交叉开关支持分区的快速设置,分区中控制器与处理器之间的点对点通信和广播通信。多个环支持处理器之间的高带宽通信,还提供系统所需的可分区性和可重新配置性。这些互连网络的成本也可以保持较低。通过得出分区中最大通信延迟的上限来分析环形网络中的通信延迟。提出了一组性能属性,用于评估可重配置,可分区和高度并行的计算机系统的性能。基于这组属性,对REPLICA架构的设计进行了评估,并将其与文献中的其他可重构,可分区和高度并行的计算机架构进行了比较。 P>
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