分析超级计算机平台的并行解技术应用于卫星重力测量中的相关问题,对涉及的矩阵运算并行化给出了数值计算和分析,并利用卫星重力扰动位观测基于最小二乘直接解法,比较了OpenMP和MPI两种并行化技术的计算效率。
The parallel algorithm based on supercomputer for solving the Earth' s gravity field model was inves- tigated. Shared and distributed parallel environment (OpenMP & MPI) applying to the least squares method are an- alysed and compared. Different threads, different node to determine the gravity field model at different levels of time consumption and efficiency are compared with each other.