Method for updating value in distributed shared virtual memory among interconnected computer nodes having page table with minimal processor involvement
US5522045A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 4, 1994 |
| Grant date | May 28, 1996 |
| Priority date | — |
| Expiry date | Aug 4, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L49/3027
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The invention relates to general purpose interprocessor communication implemented through a distributed shared memory network connecting a plurality of processors, computers, multiprocessors, and electronic and optical devices. The invention teaches a method and means for shared memory based data transfer between a multiplicity of asynchronously operating devices (processors, computers, multiprocessors, etc.) each using possibly distinct memory address translation architectures. The invention further teaches shared virtual memory network communication and administration based on a unique network memory address translation architecture. This architecture is compatible with and augments the address translation and cache block replacement mechanisms of existing devices. More particularly, the invention teaches an adapter for insertion into an operating device, or node, whereby all address translation, memory mapping and packet generation can be implemented. The invention teaches that all network activities can be completed with only write and control operations. An interconnecting switch part and bus arrangement facilitates communication among the network adapters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.