NDLI: POSTER: HythTM: Extending the Applicability of Intel TSX Hardware Transactional Support

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POSTER: HythTM: Extending the Applicability of Intel TSX Hardware Transactional Support

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POSTER: HythTM: Extending the Applicability of Intel TSX Hardware Transactional Support

Content Provider	ACM Digital Library
Author	Bhattacharyya, Arnamoy Amza, Cristiana Hossain, Shafaaf Varikooty, Sai Burcea, Mihai Deng, Allen Dai Wang, Mike Ding, Yi
Abstract	In this work, we introduce and experimentally evaluate a new hybrid software-hardware Transactional Memory prototype based on Intel's Haswell TSX architecture. Our prototype extends the applicability of the existing hardware support for TM by interposing a hybrid fall-back layer before the sequential, big-lock fall-back path, used by standard TSX-supported solutions in order to guarantee progress. In our experimental evaluation we use SynQuake, a realistic game benchmark modeled after Quake. Our results show that our hybrid transactional system,which we call HythTM, is able to reduce the number of transactions that go to the sequential software layer, hence avoiding hardware transaction aborts and loss of parallelism. HythTM optimizes application throughput and scalability up to 5.05x, when compared to the hardware TM with sequential fall-back path.
Starting Page	433
Ending Page	434
Page Count	2
File Format	PDF
ISBN	9781450344937
DOI	10.1145/3018743.3019027
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2017-01-26
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Commutativity Shared memory parallel programming Cache-coherence
Content Type	Text
Resource Type	Article

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