Patent · US Expired

Maintaining a sequential store order (SSO) in a non-SSO machine

US5898840A · kind A · utility

2Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 1, 1996
Grant dateApr 27, 1999
Priority date
Expiry dateJul 1, 2016

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F9/52
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

In a multiprocessor system, a method, apparatus, and article of manufacture for maintaining the proper sequence of store/write operations between multiple processors to remote I/O devices without requiring changes to application software. A synchronizer is employed to synchronize write operations to the remote I/O device, and the write operations are synchronized individually upon detection and emulation, or as a group upon detection of the release of a mutual exclusion lock.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.