Group and virtual locking mechanism for inter processor synchronization
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United States of America Patent
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Mar 4, 2003
Grant Date -
N/A
app pub date -
Nov 3, 1999
filing date -
Nov 3, 1999
priority date (Note) -
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Abstract
A group and virtual locking mechanism (GVLM) addresses two classes of synchronization present in a system having resources that are shared by a plurality of processors: (1) synchronization of the multi-access shared resources; and (2) simultaneous requests for the shared resources. The system is a programmable processing engine comprising an array of processor complex elements, each having a microcontroller processor. The processor complexes are preferably arrayed as rows and columns. Broadly stated, the novel GVLM comprises a lock controller function associated with each column of processor complexes and lock instructions executed by the processors that manipulate the lock controller to create a tightly integrated arrangement for issuing lock requests to the shared resources.
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