LogTM-SE: Decoupling Hardware Transactional Memory from Caches

  title={LogTM-SE: Decoupling Hardware Transactional Memory from Caches},
  author={Luke Yen and Jayaram Bobba and Michael R. Marty and Kevin E. Moore and Haris Volos and Mark D. Hill and Michael M. Swift and David A. Wood},
  journal={2007 IEEE 13th International Symposium on High Performance Computer Architecture},
This paper proposes a hardware transactional memory (HTM) system called LogTM Signature Edition (LogTM-SE). LogTM-SE uses signatures to summarize a transactions read-and write-sets and detects conflicts on coherence requests (eager conflict detection). Transactions update memory "in place" after saving the old value in a per-thread memory log (eager version management). Finally, a transaction commits locally by clearing its signature, resetting the log pointer, etc., while aborts must undo the… CONTINUE READING
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