HyTM-AP Hybrid Transactional Memory Scheme Using Abort Prediction and Adaptive Retry Policy for Multi-Core In-Memory Databases

Author:

Kim Hyeong-Jin1,Lee Hyun-Jo1ORCID,Kim Yong-Ki2ORCID,Chang Jae-Woo1

Affiliation:

1. Chonbuk National University, South Korea

2. Vision College of Jeonju, South Korea

Abstract

Recently, works on integrating HTM with STM, called hybrid transactional memory (HyTM), have intensively studied. However, the existing works consider only the prediction of a conflict between two transactions and provide a static HTM configuration for all workloads. To solve the problems, we proposes a hybrid transactional memory scheme based on both abort prediction and an adaptive retry policy, called HyTM-AP. First, our HyTM-AP can predict not only conflicts between concurrently running transactions, but also the capacity and other aborts of transactions by collecting the information of transactions previously executed. Second, our HyTM-AP can provide an adaptive retry policy based on machine learning algorithms, according to the characteristic of a given workload. Finally, through our experimental performance analysis using the STAMP benchmark, our HyTM-AP shows 12~13% better performance than the existing HyTM schemes.

Publisher

IGI Global

Subject

Hardware and Architecture,Information Systems,Software

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