NDLI: HYCORE: A Hybrid Static-Dynamic Technique to Reduce Communication in Parallel Systems via Scheduling and Re-routing (1997)

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HYCORE: A Hybrid Static-Dynamic Technique to Reduce Communication in Parallel Systems via Scheduling and Re-routing (1997)

Content Provider	CiteSeerX
Author	Sha, Edwin H. -M. Peter, Sha Kogge, Peter M. Edwin H. -M. Surma, David R.
Abstract	This paper presents a hybrid technique which uses known information about the required message traffic to statically determine priorities for the individual messages. Then, at run time when a node has several messages to transmit along the same physical link, preference is given to the message with the highest priority. The basis for the priority determination is the recently developed collision graph model [10]. The communication scheduling problem has been addressed previously in a purely static manner using fixed routing and a specific message traffic model [11]. This research greatly improves this effort by presenting a technique for a general model of message traffic which allows re-routing of messages and operates in a dynamically. This starting point is a list of N messages to be transmitted by the network nodes. The goal is to find an optimal communication schedule which reduces the overall processing time. Table 2 shows a sample message list to be executed on a 10X10 two-dimensional mesh processor network. This work considers single packet messages composed of an arbitrary number of flits. Nodes of the multiprocessor system are attached to all-port routers and the routing scheme is
File Format	PDF
Publisher Date	1997-01-01
Access Restriction	Open
Subject Keyword	Required Message Traffic Single Packet Message Hybrid Technique Routing Scheme Overall Processing Time Hybrid Static-dynamic Technique Physical Link All-port Router Collision Graph Model Communication Scheduling Problem Individual Message Optimal Communication Schedule Several Message Specific Message Traffic Model Static Manner Reduce Communication Sample Message List Message Traffic Priority Determination Two-dimensional Mesh Processor Network
Content Type	Text
Resource Type	Article

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