Data transfer control device for controlling data transfer betwe

Details Data transfer control device for controlling data transfer betwe Data transfer control device for controlling data transfer betwe

1996-02-22

1997-11-04

Swann, Tod R.

395412, 395824, 395860, 395885, 395386, 395853, G06F 1300, G06F 1318

Patent

active

056850107

ABSTRACT:
A data transfer control device comprising an instruction decoding unit for receiving an transfer instruction from an arithmetic processing unit provided in the cluster and decoding the content thereof, some instruction storage units for storing the transfer instruction, a shared memory access unit for reading and writing the data through access to the shared memory provided in the cluster, a data transfer unit for delivering the data read out by the shared memory access unit to the network among clusters, as well as delivering the received data through the network among clusters to the shared memory access unit, and a transfer control unit for controlling the shared memory access control unit and the data transfer unit according to the transfer instruction which is read out from the instruction storage unit, wherein the instruction decoding unit classifies the transfer instruction into an urgent transfer instruction or a non-urgent transfer instruction on the basis of the decoded result thereof, so to store it into one of the instruction storage unit separately, and the transfer control unit reads out the transfer instruction preferentially from the instruction storage unit which stores the urgent transfer instruction.

REFERENCES:
patent: 4974145 (1990-11-01), Aoyama et al.
patent: 5307056 (1994-04-01), Colwell et al.
patent: 5454092 (1995-09-01), Sibigtroth

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