ALLOCATING AND SHARING A DATA OBJECT AMONG PROGRAM INSTANCES
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United States of America Patent
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Issued Date -
Sep 25, 2014
app pub date -
Mar 20, 2013
filing date -
Mar 20, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A memory has a shared data object containing shared data for a plurality of program instances. An allocation routine allocates a respective memory region corresponding to the shared data object to each of the plurality of program instances, where each of the memory regions contains a header part and a data part, where the data part corresponds to the shared data and the header part contains information relating to the data part, and the header part is private to the corresponding program instance. The allocation routine maps the shared data to the memory regions using a mapping technique that avoids copying the shared data to each of the data parts as part of allocating the corresponding memory region.
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