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Special Perturbations on the Jetson TX1 and TX2 Computers.
| 题名： | Special Perturbations on the Jetson TX1 and TX2 Computers. |
| 作者： | Moore, T. M. |
| 关键词： | Parallel computing, Spacecraft, Graphics processing unit, Space situational awareness, Instruction set architecture, Artificial satellites, High performance computing, Low earth orbits, Grids, Application software, Accuracy, Space objects, Tracking, Perturbations, Operating systems, Algorithms, Orbit determination, Special perturbations, Space object self-tracker, Nvidia, Cuda |
| 摘要： | Simplified General Perturbations Number 4 (SGP4) has been the traditional algorithm for performing Orbit Determination (OD) onboard orbiting spacecraft. However, the recent rise of high-performance computers with low Size, Weight, and Power (SWAP) factors has provided the opportunity to use Special Perturbations (SP), a more accurate algorithm to perform onboard OD. This research evaluates the most efficient way to implement SP on NVIDIAs Jetson TX series of integrated Graphical Processing Units (GPUs). An initial serial version was implemented on the Jetson TX1 and TX2s Central Processing Units (CPUs). The runtimes of the initial version are the benchmark that the runtimes of the other versions were compared against. A second version of SP was implemented using compiler optimizations to increase the speed of the program. A third version was developed to utilize the Jetsons 256-core GPU for parallel processing to reduce the runtimes of the program. Runtimes of the different versions were then analyzed to determine the most efficient way to implement SP on the Jetson TX series of computers. |
| 报告类型： | 科技报告 |
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