Tulika Mitra

(National University of Singapore)
hosted by Björn Brandenburg

"Domain-Agnostic Accelerators: Efficiency with Programmability"

( MPI-SWS talk in Kooperation mit dem Fachbereich Informatik)

Domain-specific hardware accelerators for graphics, deep learning, image processing, and other tasks have become pervasive to meet the performance and energy-efficiency needs of emerging applications. However, such specializations are inherently at odds with the programmability long enjoyed by software developers from general-purpose processors. In this talk, I will explore the feasibility of programmable, domain-agnostic accelerators that can be morphed and instantiated to specialized accelerators at runtime through software. In particular, I will present Coarse-Grained Reconfigurable Array (CGRA) as a promising approach to offer high accelerator efficiency while supporting diverse tasks through compile-time configurability. The central challenge is efficient spatio-temporal mapping of the applications expressed in high-level programming languages with complex data dependencies, control flow, and memory accesses to the accelerator. We approach this challenge through a synergistic hardware-software co-designed approach with (a) innovations at the architecture level to improve the efficiency of the application execution as well as ease the burden on the compilation, and (b) innovations at the compiler level to fully exploit the architectural optimizations for quality and fast mapping. Finally, I will share systems-level considerations for real-world deployment of domain-agnostic accelerators in the context of edge computing.

Bio: Tulika Mitra is Provost’s Chair Professor of Computer Science and Vice Provost (Academic Affairs) at the National University of Singapore (NUS). Her research is focused on the design automation of energy-efficient, real-time embedded computing systems. She has authored around two hundred scientific publications in premier international journals and conferences. Her research has been recognized by best paper award and nominations in major conferences. Tulika is recently serving as the Editor-in-Chief of ACM Transactions on Embedded Computing Systems, Program Chair of International Conference on Computer Aided Design (ICCAD) 2021, and General Chair of Embedded Systems Week (ESWEEK) 2020.

Time: Wednesday, 16.06.2021, 10:30

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