SAR成像处理在高性能计算平台上的性能分析和优化
Performance Analysis and Optimization of SAR Imaging on HPC Platforms
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摘要: 高性能计算机系统是现代SAR地面处理系统中的重要组成部分。与其它高性能计算问题相比，SAR成像处理有其特殊性。随着高性能计算服务器架构的不同，SAR成像处理的性能存在很大的差别。该文分析了高性能计算服务器架构中的各个部分对SAR成像处理性能的影响，并在此基础上指出可以通过一系列典型测试，较为准确地预测在多节点环境下的SAR成像处理性能。通过对测试和计算结果的分析，进一步指出对SAR成像处理的优化方向和策略。
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关键词:
- SAR成像处理; 高性能计算
Abstract: High Performance Computing (HPC) system is an important part of a modern SAR processing system. SAR imaging has its specific characteristics compared with other HPC problems. It performs with great difference on different HPC architectures. The effects on SAR imaging performance by every part of the HPC architecture are analyzed on this paper. Based on this analysis, some benchmarking could be made to more accurately predict the SAR imaging performance on a multi-nodes environment. Prom these benchmarks, the effective way to optimize the SAR imaging could be found. -
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