Method of conducting asynchronous distributed collective operations
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United States of America Patent
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May 5, 1998
Grant Date -
N/A
app pub date -
May 24, 1996
filing date -
May 24, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus for distributing data in a multiprocessing system having a plurality of nodes. Each node has a user application for issuing a blocking or a non-blocking command. A request handle identifies each non-blocking command, while being set to a null value when in blocking mode. For each requested command issued by any of the user applications, a report is generated comprising of data structures, for recording the sequence of functions to be executed asynchronously given a non-blocking command. Blocking commands are processed synchronously. Once the report is generated the sequence of functions recorded in the report are executed in the sequence presented in the report. However, whenever an internal dependency is encountered the control is returned to user application until the internal dependency is resolved. Upon completion of requested command, the user application is notified.
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