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D&A: Resource Optimization in Personalized PageRank Computations Using Multi-Core Machines
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AI
DOI：10.1109/TKDE.2024.3417264.png)
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摘要
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Resource optimization is commonly used in workload management, ensuring efficient and timely task completion utilising available resources. It serves to minimise costs, prompting the development of numerous algorithms tailored to this end. The majority of these techniques focus on scheduling and executing workloads effectively within the provided resource constraints. In this paper, we tackle this problem using another approach. We propose a novel framework D&A to determine the number of cores required in completing a workload under time constraint. We first preprocess a small portion of queries to derive the number of required slots, allowing for the allocation of the remaining workloads into each slot. We introduce a scaling factor in handling the time fluctuation issue caused by random functions. We further establish a lower bound of the number of cores required under this scenario, serving as a baseline for comparison purposes. We examine the framework by computing personalized PageRank values involving intensive computations. Our experimental results show that D&A surpasses the baseline, achieving reductions in the required number of cores ranging from 38.89%38.89% to 73.68%73.68% across benchmark datasets comprising millions of vertices and edges.
Keyword:
Optimization
Task analysis
Multicore processing
Cloud computing
Processor scheduling
Parallel processing
Time factors
multi-core machine
parallel computing
personalized PageRank
resource optimization
期刊
IF:
10.4
论文数:
6.8K
被引数:
3.2W
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