Adaptive memory management system for collection of garbage in a digital computer
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United States of America Patent
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Aug 4, 1992
Grant Date -
N/A
app pub date -
Apr 30, 1987
filing date -
Apr 30, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A memory management system for a digital computer divides a virtual memory space into regions. Each region has attributes indicating generation, volatility, and activity. During garbage collection, memory objects referenced by normal program execution are copied to regions having an active attribute. Objects copied as a result of garbage collector scavenger action are moved to regions which are inactive. Increasing levels of inactivity are provided in different regions. Grouping of active objects into active regions causes a large proportion of main memory to contain only active objects, which minimizes paging and increases system performance.
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