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Enhancing OLTP Performance: A Case for Thread Migration in Data Intensive Applications

This paper explores the benefits of thread migration in Online Transaction Processing (OLTP) systems, particularly on Intel Xeon 5660 processors with hyper-threading disabled. By analyzing instruction stalls that account for 70-80% of performance degradation, we propose a novel thread scheduling approach using SLICC (Single Level Intermediate Code Compiler). Our findings indicate a significant performance improvement of approximately 70% compared to traditional threading methods, shedding light on the importance of effective thread management in data-intensive applications.

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Enhancing OLTP Performance: A Case for Thread Migration in Data Intensive Applications

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  1. A Case for Thread Migration Pınar Tözün Data Intensive Applications and Systems École Polytechnique Fédérale de Lausanne

  2. OLTP on a Intel Xeon5660 Shore-MT Hyper-threading disabled better IPC < 1 on a 4-issue machine 70-80% of stalls are instruction stalls

  3. Rethinking Thread Scheduling SLICC Traditional Threads CORES CORES Total Misses Total Misses 0 1 2 3 0 1 2 3 T1 T2 T3 T2 T2 T2 T1 T2 T1 T1 T3 T1 T2 T1 T1 T1 T3 T3 T3 T3 T1 T2 T3 1 1 L1I 2 3 time 3 6 4 9 4 10 ~70% better performance with SLICC

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