Network communication unit using an adaptive router

G - Physics – 06 – F

Patent

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G06F 15/17 (2006.01) G06F 15/173 (2006.01)

Patent

CA 2196567

A parallel processor network comprised of a plurality of nodes, each node including a processor containing a number of I/O ports, and a local memory. A communication path is established through a node by comparing a target node address in a first address packet with a processor ID of the node. If node address is equal to the target node address a receive channel is allocated to the input port and a route ready command is sent over an output port paired with the input port. If the node address is not equal to the target node address, then a first unallocated output port is selected from a port vector and the address packet is forwarded to a next node over the selected output port.

La présente invention concerne un réseau de processeurs parallèles constitué d'une pluralité de noeuds, comprenant chacun un processeur à plusieurs ports d'E/S, et d'une mémoire locale. L'établissement de chemin de communication via un noeud se fait par comparaison entre l'adresse de noeud destinataire contenue dans un premier paquet adresse et l'ID processeur du noeud. Si l'adresse du noeud est égale à l'adresse de noeud destinataire, l'unité affecte un canal de réception au port d'entrée et envoie une instruction "route-ready" via un port de sortie associé au port d'entrée. Si l'adresse du noeud est différente de l'adresse de noeud destinataire, l'unité sélectionne à partir d'un vecteur de port un premier port de sortie non affecté et fait parvenir au noeud suivant le paquet adresse via le port de sortie sélectionné.

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