SCHEDULE: NOV 15-20, 2015

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Benchmark Simulation and Experimental Testbed Studies of AWGR-Based, Multi-Layer Photonic Interconnects for Low- Latency, Energy-Efficient Computing Architectures

SESSION: Regular & ACM Student Research Competition Poster Reception

EVENT TYPE: Posters, Receptions, ACM Student Research Competition, Best Poster Finalist

EVENT TAG(S): HPC Beginner Friendly, Regular Poster

TIME: 5:15PM - 7:00PM

SESSION CHAIR(S): Michela Becchi, Manish Parashar, Dorian C. Arnold

AUTHOR(S):Paolo Grani, Roberto Proietti, Zheng Cao, S. J. Ben Yoo

ROOM:Level 4 - Lobby

ABSTRACT:

In this work, we show future research directions about optical computing systems based on Arrayed Waveguide Grating Routers. We analyze the optical integration at different layers of large-scale architectures. At board-level, we aim to demonstrate significant execution time improvements and energy efficiency of optically interconnected systems running real benchmark
applications on a cycle-accurate simulator. We simulate tiled optical Multi-Socket Blades (MSBs), and we implement multiple optimization techniques to achieve different tradeoffs between performance and energy consumption and to prove the importance of chip-level optical integration. In the large-scale we show, through a network simulator, significant latency and throughput improvement running uniform distributed traffic for both intra- and inter-cluster optical-based architecture. A software framework, based on trace-driven approach, will be developed for benchmarking large-scale solutions. We show an experimental hardware setup for next future testbeds to demonstrate the efficiency, in terms of throughput and energy consumption, of the proposed optical architectures.

Chair/Author Details:

Michela Becchi, Manish Parashar, Dorian C. Arnold (Chair) - University of Missouri|Rutgers University|University of New Mexico|

Paolo Grani - University of California, Davis

Roberto Proietti - University of California, Davis

Zheng Cao - University of California, Davis

S. J. Ben Yoo - University of California, Davis

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