Hybrid energy-aware reconfiguration management on Xilinx Zynq SoCs
A Becher, J Pirkl, A Herrmann, J Teich… - 2016 International …, 2016 - ieeexplore.ieee.org
A Becher, J Pirkl, A Herrmann, J Teich, S Wildermann
2016 International Conference on ReConFigurable Computing and …, 2016•ieeexplore.ieee.orgPartial Reconfiguration is a common technique on FPGA platforms to load hardware
accelerators at runtime without interrupting the remaining system. One crucial element is the
time needed for reconfiguration as it affects usability, performance and energy consumption.
Furthermore, many systems have to share partial areas between multiple applications and
users. In this paper, we introduce a novel open-source reconfiguration manager for Xilinx
Zynq SoCs which a) allows partial area sharing and b) includes a hybrid reconfiguration …
accelerators at runtime without interrupting the remaining system. One crucial element is the
time needed for reconfiguration as it affects usability, performance and energy consumption.
Furthermore, many systems have to share partial areas between multiple applications and
users. In this paper, we introduce a novel open-source reconfiguration manager for Xilinx
Zynq SoCs which a) allows partial area sharing and b) includes a hybrid reconfiguration …
Partial Reconfiguration is a common technique on FPGA platforms to load hardware accelerators at runtime without interrupting the remaining system. One crucial element is the time needed for reconfiguration as it affects usability, performance and energy consumption. Furthermore, many systems have to share partial areas between multiple applications and users. In this paper, we introduce a novel open-source reconfiguration manager for Xilinx Zynq SoCs which a) allows partial area sharing and b) includes a hybrid reconfiguration approach utilizing both the Processor Configuration Access Port (PCAP) and the Internal Configuration Access Port (ICAP) in order to minimize reconfiguration time and system energy consumption. We evaluate our design and identify the sweet spots between energy consumption and latency of accelerator availability with an example use case. By means of the hybrid approach, a speedup for the full configuration after powering on the FPGA of up to 64 % in comparison to solely using the PCAP interface can be achieved.
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