Method and apparatus for a multiprocessor resource lockout instruction
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United States of America Patent
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Mar 12, 1996
Issued Date -
N/A
app pub date -
Dec 28, 1993
filing date -
Dec 29, 1989
priority date (Note) -
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Abstract
A method and apparatus for providing a resource lockout mechanism in a shared memory, multiprocessor system that is capable of performing both a read and write operation during the same memory operation. The load and flag instruction of the present invention can execute a read operation, followed by a write operation of a preselected flag value to the same memory location during the same memory operation. The load and flag instruction is particularly useful as a resource lockout mechanism for use in Monte Carlo applications.
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