Computer simulations and real-time control of ELT AO systems using graphical processing units

Computer simulations and real-time control of ELT AO systems using graphical processing units
复制标题

使用图形处理单元对 ELT AO 系统进行计算机模拟和实时控制

DOI:
--
复制
发表时间:
2012
期刊:
Other Conferences
影响因子:
--
通讯作者:
B. Ellerbroek
B. Ellerbroek
中科院分区:
--
文献类型:
--
作者:
Lianqi Wang;B. Ellerbroek

文献摘要

参考文献

被引文献

相似文献

利用高效的基于C语言的多线程自适应光学模拟器(MAOS,http://github.com/lianqiw/maos),对30米望远镜(TMT)的自适应光学(AO)进行了模拟。通过使用NVIDIA CUDA技术将MAOS的时间关键部件移植到图形处理器(GPU),我们使用的每个GTX 580 GPU的速度比现代四核CPU提高了10倍。TMT窄场红外AO系统(NFIRAOS)的全尺寸端到端模拟的每个时间步仅需0.11秒,在桌面上有两个GTX 580。我们还证明了TMT最小方差重建器可以在8秒内用8个GTX 580 GPU组装成矩阵向量乘法(MVM)格式,满足TMT更新重建器的要求。分析表明,也可以在所需的延迟内使用8个GTX 580来应用MVM。
The adaptive optics (AO) simulations at the Thirty Meter Telescope (TMT) have been carried out using the efficient, C based multi-threaded adaptive optics simulator (MAOS, http://github.com/lianqiw/maos). By porting time-critical parts of MAOS to graphical processing units (GPU) using NVIDIA CUDA technology, we achieved a 10 fold speed up for each GTX 580 GPU used compared to a modern quad core CPU. Each time step of full scale end to end simulation for the TMT narrow field infrared AO system (NFIRAOS) takes only 0.11 second in a desktop with two GTX 580s. We also demonstrate that the TMT minimum variance reconstructor can be assembled in matrix vector multiply (MVM) format in 8 seconds with 8 GTX 580 GPUs, meeting the TMT requirement for updating the reconstructor. Analysis show that it is also possible to apply the MVM using 8 GTX 580s within the required latency.
Durham 自适应光学实时控制器。
DOI: 10.1364/ao.49.006354
发表时间: 2010
期刊: Applied optics
影响因子: 1.9
作者:
Basden A
通讯作者: Basden A