Accelerating Real-Time Processing of the ATST Adaptive Optics System Using Coarse-Grained Parallel Hardware Architectures. Venugopalan, V., Richards, K., Barden, S., Rimmele, T., Gregory, S., & Johnson, L. In International Conference on Engineering of Reconfigurable Systems and Algorithms (ERSA), pages 296-301, July, 2011. abstract bibtex The real-time processing of the four meter Advanced Technology Solar Telescope (ATST) adaptive optics (AO) system with approximately 1750 sub-apertures and 1900 actuators requires massive parallel processing to complete the task. The parallel processing is harnessed with the addition of hardware accelerators such as Field Programmable Gate Array (FPGA) and Graphics Processing Unit (GPU). We investigate the hybrid data processing architecture of the Shack-Hartmann correlation and wavefront reconstruction using FPGAs and GPUs. The ATST AO algorithm is implemented, benchmarked on the FPGA-GPU system and compared with the existing legacy Digital Signal Processing (DSP) based hardware system. The cost-effective FPGA platform provides better throughput for the AO processing as compared to the GPU architecture.
@inproceedings{Venugopal2011Accelerati,
abstract = {The real-time processing of the four meter Advanced Technology Solar Telescope (ATST) adaptive optics (AO) system with approximately 1750 sub-apertures and 1900 actuators requires massive parallel processing to complete the task. The parallel processing is harnessed with the addition of hardware accelerators such as Field Programmable Gate Array (FPGA) and Graphics Processing Unit (GPU). We investigate the hybrid data processing architecture of the Shack-Hartmann correlation and wavefront reconstruction using FPGAs and GPUs. The ATST AO algorithm is implemented, benchmarked on the FPGA-GPU system and compared with the existing legacy Digital Signal Processing (DSP) based hardware system. The cost-effective FPGA platform provides better throughput for the AO processing as compared to the GPU architecture.},
annote = {{ERSA 2011/ISBN \#:1-60132-177-5/CSREA}
Toomas P. Plaks
Las Vegas, USA},
author = {Venugopalan, Vivek and Richards, Kit and Barden, Samuel and Rimmele, Thomas and Gregory, Scott and Johnson, Luke},
booktitle = {{International Conference on Engineering of Reconfigurable Systems and Algorithms (ERSA)}},
date-added = {2020-01-15 12:02:05 -0500},
date-modified = {2020-01-15 12:02:05 -0500},
keywords = {Adaptive optics systems; wavefront correction; field programmable gate arrays; parallel processing; graphics processing units; real-time systems},
month = jul,
pages = {296-301},
title = {{Accelerating Real-Time Processing of the ATST Adaptive Optics System Using Coarse-Grained Parallel Hardware Architectures}},
year = {2011},
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