| Guo Mingqiang (郭明强),Huang Ying,Xie Zhong.[J].高技术通讯(英文),2014,20(4):395~400 |
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| Parallel scheduling strategy of web-based spatial computing tasks in multi-core environment |
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| DOI：10.3772/j.issn.1006-6748.2014.04.009 |
| 中文关键词: |
| 英文关键词: parallel scheduling strategy, the web-based spatial computing model, multi-core environment, load balancing |
| 基金项目: |
| Author Name | Affiliation | | Guo Mingqiang (郭明强) | | | Huang Ying | | | Xie Zhong | |
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| 中文摘要: |
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| 英文摘要: |
| In order to improve the concurrent access performance of the web-based spatial computing system in cluster, a parallel scheduling strategy based on the multi-core environment is proposed, which includes two levels of parallel processing mechanisms. One is that it can evenly allocate tasks to each server node in the cluster and the other is that it can implement the load balancing inside a server node. Based on the strategy, a new web-based spatial computing model is designed in this paper, in which, a task response ratio calculation method, a request queue buffer mechanism and a thread scheduling strategy are focused on. Experimental results show that the new model can fully use the multi-core computing advantage of each server node in the concurrent access environment and improve the average hits per second, average I/O Hits, CPU utilization and throughput. Using speed-up ratio to analyze the traditional model and the new one, the result shows that the new model has the best performance. The performance of the multi-core server nodes in the cluster is optimized; the resource utilization and the parallel processing capabilities are enhanced. The more CPU cores you have, the higher parallel processing capabilities will be obtained. |
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