Concurrent Execution of Critical Sections by Eliding Ownership of Locks

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United States of America Patent

SERIAL NO

15018144

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Critical sections of multi-threaded programs, normally protected by locks providing access by only one thread, are speculatively executed concurrently by multiple threads with elision of the lock acquisition and release. Upon a completion of the speculative execution without actual conflict as may be identified using standard cache protocols, the speculative execution is committed, otherwise the speculative execution is squashed. Speculative execution with elision of the lock acquisition, allows a greater degree of parallel execution in multi-threaded programs with aggressive lock usage.

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Patent Owner(s)

Patent OwnerAddress
WISCONSIN ALUMNI RESEARCH FOUNDATION614 WALNUT STREET 13TH FLOOR MADISON WI 53726

International Classification(s)

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  • 2016 Application Filing Year
  • G06F Class
  • 60255 Applications Filed
  • 46180 Patents Issued To-Date
  • 76.65 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20162017201820192020202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Goodman, James R Madison, US 39 1205
Rajwar, Ravi Madison, US 85 2381

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges3122144564193188710466053822701961379632401 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +010002000300040005000600070008000900010000110001200013000140001500016000

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