Synchronization with partial memory replication

Details Synchronization with partial memory replication Synchronization with partial memory replication

2007-10-05

2010-06-15

Chea, Philip J (Department: 2453)

Electrical computers and digital processing systems: multicomput

Multicomputer data transferring via shared memory

C709S201000, C709S205000, C711S147000, C711S148000

Reexamination Certificate

active

07739349

ABSTRACT:
A multiple computer system is disclosed in which the local memory of each computer (M1, M2, . . . Mn) can be different having some memory locations (A, B) which are replicated in other computers and other memory locations (E) which are not. When any computer seeks to acquire or release a synchronizing lock a check (171, 181) is made to see if the relevant memory location is present on any other machine. If yes, synchronization is carried out. However, if no, then no synchronization is required and the synchronizing procedures are by-passed.

REFERENCES:
patent: 6148377 (2000-11-01), Carter et al.
patent: 6370625 (2002-04-01), Carmean et al.

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