Multicomputer memory access architecture

Details Multicomputer memory access architecture Multicomputer memory access architecture

1996-11-05

1998-02-24

Geckil, Mehmet B.

39520068, 39520046, G06F 1300

Patent

active

057218285

ABSTRACT:
A multicomputer is shown made up of a crossbar network to which are connected processing nodes and I/O interface nodes. The processing nodes include crossbar interface circuits that provide routing signals in local registers so that a local processor can access memory in remote processing nodes. The crossbars include circuits to establish communication paths through the crossbar networks in response to the routing signals, so that a local processor has direct access to remote memory, which is mapped into local address space. The routing signal can have a broadcast mode and can establish priority for the signal. Under some circumstances the crossbar circuit can choose between alternative paths through a crossbar. Arbitrary sized and shaped networks of crossbars can be readily implemented, and the direct memory burst transactions allow very high speed performance.

REFERENCES:
patent: 5412791 (1995-05-01), Martin et al.
patent: 5555244 (1996-09-01), Gupta et al.
patent: 5577204 (1996-11-01), Brewer et al.
patent: 5598568 (1997-01-01), Frisch

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