首页> 外文会议>High Performance Computing for Computational Science - VECPAR 2006; Lecture Notes in Computer Science; 4395 >A Practical Evaluation of a Data Consistency Protocol for Efficient Visualization in Grid Applications
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A Practical Evaluation of a Data Consistency Protocol for Efficient Visualization in Grid Applications

机译:网格应用中有效可视化的数据一致性协议的实用评估

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Data visualization is important in the context of grid applications, especially when successive refinements are iteratively realized based on intermediate results. We mainly focus on code coupling grid applications, structured as a set of distributed, autonomous, weakly-coupled codes. We consider the case where the codes are able to interact using the abstraction of a shared data space. In previous work, we have proposed an efficient visualization scheme by introducing a new operation called relaxed read, as an extension to the entry consistency model. This operation can efficiently take place without locking, in parallel with write operations. On the other hand, the user has to relax the consistency constraints, and accept slightly older versions of the data, whose "freshness" can however still be controlled. In this paper, we discuss and extensively evaluate the proposed consistency protocol, whose efficiency is clearly demonstrated by our experimental results.
机译:数据可视化在网格应用程序中非常重要,尤其是在基于中间结果迭代地实现连续优化的情况下。我们主要关注代码耦合网格应用程序,该应用程序结构化为一组分布式,自治,弱耦合代码。我们考虑这样的情况,其中代码能够使用共享数据空间的抽象进行交互。在先前的工作中,我们通过引入称为轻松读取的新操作(作为条目一致性模型的扩展),提出了一种有效的可视化方案。与写操作并行地,该操作可以有效地发生而无需锁定。另一方面,用户必须放松一致性约束,并接受稍旧的数据版本,但是仍然可以控制其“新鲜度”。在本文中,我们讨论并广泛评估了所提出的一致性协议,我们的实验结果清楚地证明了其有效性。

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