Automated communication and floorplan-aware hardware/software co-design for SoC
Lim, Jong Bin
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https://hdl.handle.net/2142/105246
Description
Title
Automated communication and floorplan-aware hardware/software co-design for SoC
Author(s)
Lim, Jong Bin
Issue Date
2019-04-24
Director of Research (if dissertation) or Advisor (if thesis)
Chen, Deming
Department of Study
Electrical & Computer Eng
Discipline
Electrical & Computer Engr
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
M.S.
Degree Level
Thesis
Keyword(s)
HW/SW Partitioning
Near-Optimal
Floorplanning
System-on-Chip (SoC)
Abstract
The main objective of modern SoC (system-on-chip) designs is to achieve high-performance while maintaining low power consumption and resource usage. However, achieving such a goal is a difficult and time-consuming engineering task due to the vast design space of hardware accelerators and HW/SW task partitioning. Depending on the partitioning decision, communication between parts of the SoC must be also optimized such that the overall runtime including both computation and communication would be fast. In this thesis, we propose an automated approach to iteratively search for a near-optimal SoC design with minimum latency within the targeted power and resource budget. Our approach consists of the following main components: (1) polyhedral-model-based hardware accelerator design space exploration, (2) modeling of various communication types and integration into LLVM-based integer linear programming for HW/SW task partitioning, (3) fast and efficient search algorithm to extract maximum operating frequency using floorplanner, and (4) back-annotation of extracted information to system level for iterative partitioning. Using FPGA as the target platform, we demonstrate that our approach consistently outperforms the previous state-of-the-art solutions for automated HW/SW co-design by 37.8% on average and up to 75.2% for certain designs.
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