Partitioned multiprocessor programming system
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United States of America Patent
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-
Jan 14, 1986
Grant Date -
N/A
app pub date -
Oct 5, 1983
filing date -
Oct 5, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The disclosure provides a unique multiprocessing (MP) method for executing on plural CPUs of the MP a uniprocessor system (UPS) program not written to run on a MP system. Separate copies of the UPS are provided in the shared main storage (MS) of the MP. A hypervisor type of control program (called a partitioned multiprocessing system, PMP) uses the MP method to enable simultaneous execution of the plural copies of a UPS on different CPUs of the MP as UPS guest virtual machines. PMP can dedicate any CPU to the sole execution of a particular copy of UPS. The copies of the UPS run on the different CPUs independently of each other, but they may share I/O devices.
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