Patent ID: 7581069

Claim:
A method of disabling a local memory clean-up procedure inherently present in each of a plurality of computers each with their corresponding independent local memory, each substantially simultaneously executing a corresponding different portion of an application program written to execute on only a single computer, and each being connected via a communications network to permit updating of corresponding memory locations, said method comprising the steps of: (i) categorizing the memory locations of said local memories into a first reachability category in which the local memory locations are replicated on selected ones, or all, of said computers and therefore require updating via said communications network with changes to corresponding memory locations of the other computers having access to maintain substantial memory coherence, and into a second category in which the local memory locations are present only in the local computer and therefore no updating is required, (ii) permitting said inherent local memory clean-up procedure to operate unfettered in respect of said second category memory locations, (iii) disabling said inherent local memory clean-up procedure in respect of said first category memory locations, and (iv) demoting from said first category to said second category any of said first category memory locations unable to be referenced by any of said computers other than the local computer having said demotable first category memory location.