Programming with hardware lock elision

Research output: Contribution to journalArticlepeer-review


We present a simple yet effective technique for improving performance of lock-based code using the hardware lock elision (HLE) feature in Intel's upcoming Haswell processor. We also describe how to extend Haswell's HLE mechanism to achieve a similar effect to our lock elision scheme entirely in hardware. Copyright is held by the author/owner(s).

Original languageEnglish
Pages (from-to)295-296
Number of pages2
JournalACM SIGPLAN Notices
Issue number8
StatePublished - Aug 2013


  • Hardware lock elision
  • Haswell
  • Speculative execution


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