Memory allocator for multithread environment
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United States of America Patent
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Mar 25, 2003
Grant Date -
N/A
app pub date -
Mar 23, 2001
filing date -
Apr 8, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Memory allocator combines private (per thread) sets of fixed-size free blocks lists, a global, common for all threads, set of fixed-sized free block lists, and a general-purpose external coalescing allocator. Blocks of size bigger than the maximal fixed size are managed directly by the external allocator. The lengths of fixed-size lists are changed dynamically in accordance with the allocation and disallocation workload. A service thread performs updates of all the lists and collects memory associated with terminated user threads. A mutex-free serialization method, utilizing thread suspension, is used in the process.
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