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XML has seen wide acceptance in a number of application domains, and contributed to the success of wide-scale grid and scientific computing environments. Performance, however, is still an issue, and limits adoption under some situations where it might otherwise be able to provide significant interoperability, flexibility, and extensibility. As CPUs increasingly have multiple cores, parallel XML parsing...
By leveraging the growing prevalence of multicore CPUs, parallel XML parsing(PXP) can significantly improve the performance of XML, enhancing its suitability for scientific data which is often dominated by floating-point numbers. One approach is to divide the XML document into equal-sized chunks, and parse each chunk in parallel. XML parsing is inherently sequential, however, because the state of...
A number of techniques to improve the parsing performance of XML have been developed. Generally, however, these techniques have limited impact on the construction of a DOM tree, which can be a significant bottleneck. Meanwhile, the trend in hardware technology is toward an increasing number of cores per CPU. As we have shown in previous work, these cores can be used to parse XML in parallel, resulting...
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