内存映射处理网络规划仿真大数据的研究

Research of handling large data by memory mapping techniques in network planning simulation

本文介绍了内存映射的基本原理与调用流程,通过内存映射文件技术解决了无线网络规划软件大数据量中间结果的文件读写效率问题,对传统文件技术与内存映射技术进行了性能对比,展示了软件通过中间结果文件生成的最终结果,使软件既能够满足大规模仿真的需求,同时保证了运行的高效性。

The principles and process of memory mapping techniques is introduced. The problems of the efficiency of reading and writing intermediate results file which contains large amounts of data in wireless network planning software is solved through memory mapping techniques. The performance comparison between the traditional file techniques and memory mapping is made. The final results which is produced from intermediate results file is shown. The software is able to meet the needs of large-scale simulation, while ensuring efficient operation.