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Scientific workflow task management method and device

A task management and workflow technology, applied in the computer field, can solve the problems of not considering the difference of computing cost and storage cost, the task constraint relationship is not obvious, and it is not easy to minimize the processing cost of scientific workflow.

Active Publication Date: 2020-11-03
SHANDONG LANGCHAO YUNTOU INFORMATION TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, the static task processing algorithm does not consider the difference in computing costs and storage costs of different tasks, and the constraint relationship between tasks is not obvious, so it is not easy to minimize the cost of scientific workflow processing

Method used

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  • Scientific workflow task management method and device
  • Scientific workflow task management method and device
  • Scientific workflow task management method and device

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Embodiment Construction

[0055] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work belong to the protection of the present invention. scope.

[0056] like figure 1 As shown, the embodiment of the present invention provides a scientific workflow task management method, which may include the following steps:

[0057] Step 101: Determine the directed acyclic graph of the scientific workflow, wherein, for any task in the scientific workflow, the directed acyclic graph shows: the task and the user...

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Abstract

The invention provides a scientific workflow task management method and device. The method comprises the following steps of determining a directed acyclic graph of the scientific workflow, wherein anassociation relationship between each task in the workflow and each other task for calculating the task, a storage cost of the task, the task and each calculation cost corresponding to each other taskare displayed in the graph; setting a plurality of particles, the values of the particles including the values of the decision variables of the tasks, with the values corresponding to storage or calculation; according to the graph and the current latest value of each particle, calculating the utility function of each particle and determining the minimum value; judging whether an optimal value exists in the current minimum values or not, indicating that the optimal value is a minimum value and is not larger than any minimum value, if so, managing all tasks are managed according to the values of the particles used when the optimal value is calculated, and if not, iteratively updating the current latest value of each particle once through a particle swarm algorithm, and if not, managing thetasks are managed. calculating the utility function of each particle again. According to the scheme, the cost minimization of scientific workflow processing can be realized more easily.

Description

technical field [0001] The invention relates to the field of computer technology, in particular to a scientific workflow task management method and device. Background technique [0002] Scientific Workflow (Scientific Workflow, SWF) is the application of workflow technology to the field of scientific computing. Scientific workflows enable rapid system construction and ensure the quality of computations. Deploying scientific workflows on the cloud computing platform can ensure the efficiency, safety, and speed of the computing process, as well as the accuracy of the computing results, and ultimately maximize the utilization efficiency of cloud computing technology resources, reduce operation and maintenance risks and costs Reduce to a minimum to ensure the rapid delivery of tasks and the consistency and efficiency of resources after automated deployment. [0003] In view of the characteristics of computing and storage constraints in the cloud platform workflow, on the cloud...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q10/10G06Q30/02G06F16/901G06N3/00
CPCG06Q10/06316G06Q10/103G06Q30/0283G06F16/9024G06N3/006
Inventor 马宗学李传义顾易
Owner SHANDONG LANGCHAO YUNTOU INFORMATION TECH CO LTD
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