Apparatus and method for controlling digital data processing system employing multiple processors
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United States of America Patent
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-
Sep 24, 1985
Grant Date -
N/A
app pub date -
Dec 6, 1982
filing date -
Dec 6, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A control arrangement for coordinating operations of multiple processors in a multiprocessor system in response to a command. Each command is associated with a route comprising a sequence of route vectors, each identifying an operation to be performed to execute the command, as well as the process, or station, to execute the route vector. In response to the receipt of a command, a control block is generated identifying the first route vector in the route associated with the command. Each station has a work queue containing control blocks, which the station retrieves and processes sequentially. The control block is first sent to the work queue of the station to perform the first operation. When the station gets to the control block, it performs the operation required by the route vector, modifies the control block to identify the next route vector in the sequence, and transfers the control block to the work queue of the station to perform the operation required by the next route vector in the route.
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