具有不可再生资源的并行机器负载平衡问题的EPTAS

IF 0.9 4区 数学 Q3 MATHEMATICS, APPLIED Discrete Optimization Pub Date : 2023-05-01 DOI:10.1016/j.disopt.2023.100775
G. Jaykrishnan, Asaf Levin
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引用次数: 0

摘要

所考虑的问题是在并行一致相关机器上消耗资源(不可再生且定期补充)的独立作业的非抢占式调度。输入定义机器的速度、作业的大小、作业所需的资源数量、补充的数量以及资源的补充日期。每个作业只有在分配了所需数量的资源后才能开始处理。目标函数是机器负载向量的lp范数的完工期最小化和最小化的推广。我们针对这个问题提出了EPTAS。在我们的工作之前,在这种不可再生资源环境中,只有一个PTAS是已知的,只是针对我们在相同机器上最大化生产时间问题的特殊情况。
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EPTAS for load balancing problem on parallel machines with a non-renewable resource

The problem considered is the non-preemptive scheduling of independent jobs that consume a resource (which is non-renewable and replenished regularly) on parallel uniformly related machines. The input defines the speed of machines, size of jobs, the quantity of the resource required by the jobs, the replenished quantities, and replenishment dates of the resource. Every job can start processing only after the required quantity of the resource is allocated to the job. The objective function is a generalization of makespan minimization and minimization of the lp-norm of the vector of loads of the machines. We present an EPTAS for this problem. Prior to our work only a PTAS was known in this non-renewable resource settings only for the special case of our problem of makespan minimization on identical machines.

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来源期刊
Discrete Optimization
Discrete Optimization 管理科学-应用数学
CiteScore
2.10
自引率
9.10%
发文量
30
审稿时长
>12 weeks
期刊介绍: Discrete Optimization publishes research papers on the mathematical, computational and applied aspects of all areas of integer programming and combinatorial optimization. In addition to reports on mathematical results pertinent to discrete optimization, the journal welcomes submissions on algorithmic developments, computational experiments, and novel applications (in particular, large-scale and real-time applications). The journal also publishes clearly labelled surveys, reviews, short notes, and open problems. Manuscripts submitted for possible publication to Discrete Optimization should report on original research, should not have been previously published, and should not be under consideration for publication by any other journal.
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