Multicomputer memory access architecture

Details Multicomputer memory access architecture Multicomputer memory access architecture

1993-05-06

1997-01-28

Geckil, Mehmet B.

Boots, shoes, and leggings

39520009, 364DIG1, 36424292, 364251, 364243, G06F 1300

Patent

active

055985688

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.

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