GPU Based Software Correlators - Perspectives for VLBI2010

机译：基于GpU的软件相关器 - VLBI2010的观点

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摘要

Caused by historical separation and driven by the requirements of the PC gaming industry, Graphics Processing Units (GPUs) have evolved to massive parallel processing systems which entered the area of non-graphic related applications. Although a single processing core on the GPU is much slower and provides less functionality than its counterpart on the CPU, the huge number of these small processing entities outperforms the classical processors when the application can be parallelized. Thus, in recent years various radio astronomical projects have started to make use of this technology either to realize the correlator on this platform or to establish the post-processing pipeline with GPUs. Therefore, the feasibility of GPUs as a choice for a VLBI correlator is being investigated, including pros and cons of this technology. Additionally, a GPU based software correlator will be reviewed with respect to energy consumption/GFlop/sec and cost/GFlop/sec.

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Hobiger, T.; Kimura, M.; Takefuji, K.; Oyama, T.; Koyama, Y.; Kondo, T.; Gotoh, T.; Amagai, J.;
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年度 2010
页码 1-5
总页数 5
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Parallel processing(Computers) ; Graphs(Charts) ; Very long base interferometry ; Energy consumption ; Costs ; Correlators ; Industries ; Histories;

机译：并行处理（计算机）;图形（图表）;超长基础干涉测量;能耗;成本;相关器;行业;历史;

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7. Power Consumption of GPUs from a Software Perspective [O] . Collange, Sylvain, Defour, David, Tisserand, Arnaud 2009

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GPU Based Software Correlators - Perspectives for VLBI2010

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