Fast Calculation of Plumb Line Deviation Based on OpenMP Multi-Core Parallel Algorithm
Abstract In order to solve the problem of low efficiency in calculating vertical deviation in large-scale and high-resolution regions by using the super-high-order earth gravity field model, this paper presents an array dimension-lifting and zoning methods based on OpenMP multi-core parallel technology. Experiments show that the acceleration ratio of this method to calculate vertical deviation is up to 5.6 times, which greatly improves the calculation efficiency of super-high order vertical deviation, and provides ideas for solving similar fast calculation problems in data processing of gravity field.
Key words :
OpenMP
ultra-high order gravity field model
plumb line deviation
parallel computation
array ascending dimension
Cite this article:
HUANG Yan,WANG Qingbin,FENG Jinkai et al. Fast Calculation of Plumb Line Deviation Based on OpenMP Multi-Core Parallel Algorithm[J]. jgg, 2019, 39(10): 1033-1036.
HUANG Yan,WANG Qingbin,FENG Jinkai et al. Fast Calculation of Plumb Line Deviation Based on OpenMP Multi-Core Parallel Algorithm[J]. jgg, 2019, 39(10): 1033-1036.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2019/V39/I10/1033
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