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Thread local cache memory allocator in a multitasking operating system

  • US 6,427,195 B1
  • Filed: 06/13/2000
  • Issued: 07/30/2002
  • Est. Priority Date: 06/13/2000
  • Status: Expired due to Fees
First Claim
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1. A method of allocating a block of memory in response to a memory allocation request from a thread in a multi-threaded operating system, comprising:

  • providing a cache slot being private to said thread, said cache slot having cached therein said block of memory previously freed by said thread;

    determining whether said memory allocation request can be satisfied out of said cache slot;

    if said memory allocation request can be satisfied out of said cache slot, satisfying said memory allocation request out of said cache slot;

    determining whether said block of memory has a block size not greater than a predetermined threshold size; and

    satisfying said memory allocation request out of a small block cache portion of said cache slot if said block size is not greater than said predetermined threshold size.

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