Multi-processor system and its network

Details Multi-processor system and its network Multi-processor system and its network

1996-11-12

2000-01-04

Pan, Daniel H.

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

370396, 710129, 709232, G06F 1338, H04L 1256

Patent

active

060117915

ABSTRACT:
In a multi-processor system interconnecting processor units, memory units, and input/output units connected to input/output devices via a crossbar switch having a plurality of ports, the transmitter of each processor unit has a circuit for determining a destination of an access request in the following manner. For an access request to a main memory, the access request is transferred to all processor units and one memory unit storing the data to be accessed. For an access request to a memory mapped register of the input/output device, the access request is broadcast to all input/output units. For an access request to a memory mapped register belonging to any one of the processor units, memory units, and input/output units, the access request is broadcast to all units via the crossbar switch.

REFERENCES:
patent: 5153876 (1992-10-01), Sim
patent: 5165021 (1992-11-01), Wu et al.
patent: 5226125 (1993-07-01), Balmer et al.
patent: 5299190 (1994-03-01), LaMaire et al.
patent: 5375220 (1994-12-01), Ishikawa
Compcon95 Proceedings, Mar. 1995, "The RISC System/6000 SMP System", Nicholson, pp. 102-109.

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