Multiprocessor system including a transfer queue and an interrup

Details Multiprocessor system including a transfer queue and an interrup Multiprocessor system including a transfer queue and an interrup

Filed on

1993-07-28

Date issued

1996-09-17

Examiner

Gossage, Glenn

Patent Class

Boots, shoes, and leggings

Other Related Categories

39520015, 395492, 395733, 395736, 395859, 395874, 395481, 3642302, 3642422, 364260, 3642844, 364941, 3649414, 3649646, 3649314, 364DIG1, 364DIG2, G06F 1324, G06F 1300

Type

Patent

Status

active

Patent number

055577440

Description

ABSTRACT:
A multiprocessor system having a plurality of processors connected in parallel with each other through a network for performing mutual communication. Each processor includes a transfer queue unit for storing transfer requests, a main storage, a reception unit for receiving a transfer request from another processor, and a transmission unit for sending designated data to another processor when the transfer request is enqueued in the transfer queue unit. Each processor also includes a first register for storing information indicating whether the transfer queue unit is full, i.e. has an area available for storing a transfer request, and a second register for indicating whether a transfer request is a valid transfer request during a reception operation. A save unit is connected to the reception unit for temporarily saving a transfer request, and an enqueuing unit is provided for enqueuing a transfer request from the save unit to the transfer queue unit. An interruption processing unit receives an interrupt request from the reception unit, supervises the vacant/full state of the transfer queue unit, i.e. monitors whether the transfer queue unit has an area available for storing a transfer request, and outputs an enqueuing request to the enqueuing unit to realize the interrupt request.

REFERENCES:
patent: 4032899 (1977-06-01), Jenny et al.
patent: 4646294 (1987-02-01), Eliscv et al.
patent: 4672570 (1987-06-01), Benken
patent: 5016221 (1991-05-01), Hamstra
patent: 5161215 (1992-11-01), Kouda et al.
patent: 5369749 (1994-11-01), Baker et al.

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