Method and apparatus for routing interrupts in a clustered multiprocessor system
US6665761B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 28, 1999 |
| Grant date | Dec 16, 2003 |
| Priority date | — |
| Expiry date | Jul 28, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F13/24
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for increasing the routing bandwidth of interrupts between cluster manager devices in a clustered multiprocessor system is disclosed. This is accomplished by providing special cluster manager devices that can convert “N” serial messages received from a local APIC to “M” parallel messages, wherein M is less than N. The special cluster manager device then transfers the “M” parallel messages to a receiving cluster manager device. The receiving cluster manager device converts the “M” parallel messages into the original “N” serial messages, and sends the “N” serial messages to the appropriate local APIC within the receiving cluster.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.