Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 15, 2010
Patent Application Number
11973326
Date Filed
October 5, 2007
Patent Primary Examiner
Patent 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.
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