基于多线程的地震相干体属性提取算法
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摘要
为了充分发挥计算机的多核优势,提高地震数据相干体的计算速度,通过研究在多核上的多线程并行技术,完成了并行相干体算法的设计与实现,并分别对串行和并行算法进行性能比较测试.测试结果表明:Pthread多线程技术可以充分利用多核资源,取得比较理想的线性加速比,且提高了系统的计算效率,非常适合于大数据量的地震数据处理的应用.
For taking full advantage of multi-core computers and improving computing speed of coherent cube of seismic data,a coherence parallel algorithm with the research of multi-core parallel technology has been designed and implemented.The comparison test of the performance between the serial and the parallel algorithm has been completed.The result shows that using Pthread can make full use of multi-core resources and achieve an ideal linear speedup.The result also indicates that using Pthread can improve the computational efficiency of the system and be very suitable for processing large-scale seismic data.
For taking full advantage of multi-core computers and improving computing speed of coherent cube of seismic data,a coherence parallel algorithm with the research of multi-core parallel technology has been designed and implemented.The comparison test of the performance between the serial and the parallel algorithm has been completed.The result shows that using Pthread can make full use of multi-core resources and achieve an ideal linear speedup.The result also indicates that using Pthread can improve the computational efficiency of the system and be very suitable for processing large-scale seismic data.
引文
1 OpenMP,the OpenMP ARB.http://www.openmp.org
2 POSIX Threads Programming.https://computing.llnl.gov/tutorials/pthreads/
3 Stevens WR,Rago SA.Advanced Programming in the UNIXEnvironment.Beijing:People’s Posts and Telecommunica-tions Press.
4柴振友,等.相干技术在三维地震勘探构造解释中的研究与应用.物体化探计算技术,2000,22(1):30-33.
5吴连贵,易瑜,李肯立.基于CUDA的地震数据相干体并行算法.计算机应用,2009,29(3):912-914.
6 Marfurt KJ,et al.周巍译.用基于相似的相干算法计算三维地震属性.石油物探译丛,1996,6(3):22-37.
7向富强.地震相干分析和时频分析方法及其在储层描述中的应用[硕士学位论文].成都:成都理工大学,2008.8-14.
8王大伟,刘震,等.地震相干技术的进展及其在油气勘探中的应用.地质科技情报,2005,24(2):71-76.
9陈国良.并行计算——结构算法编程.北京:高等教育出版社,2003.
10 Akhter S,Roberts J.李宝峰等译.多核程序设计技术.北京:电子工业出版社,2007.72-240.
2 POSIX Threads Programming.https://computing.llnl.gov/tutorials/pthreads/
3 Stevens WR,Rago SA.Advanced Programming in the UNIXEnvironment.Beijing:People’s Posts and Telecommunica-tions Press.
4柴振友,等.相干技术在三维地震勘探构造解释中的研究与应用.物体化探计算技术,2000,22(1):30-33.
5吴连贵,易瑜,李肯立.基于CUDA的地震数据相干体并行算法.计算机应用,2009,29(3):912-914.
6 Marfurt KJ,et al.周巍译.用基于相似的相干算法计算三维地震属性.石油物探译丛,1996,6(3):22-37.
7向富强.地震相干分析和时频分析方法及其在储层描述中的应用[硕士学位论文].成都:成都理工大学,2008.8-14.
8王大伟,刘震,等.地震相干技术的进展及其在油气勘探中的应用.地质科技情报,2005,24(2):71-76.
9陈国良.并行计算——结构算法编程.北京:高等教育出版社,2003.
10 Akhter S,Roberts J.李宝峰等译.多核程序设计技术.北京:电子工业出版社,2007.72-240.
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