sponsored byACMIEEE The International Conference for High Performance 
Computing, Networking, Storage and Analysis
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SCHEDULE: NOV 15-20, 2015

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Design of a NVRAM Specialized Degree Aware Dynamic Graph Data Structure

SESSION: Regular & ACM Student Research Competition Poster Reception

EVENT TYPE: Posters, Receptions, ACM Student Research Competition

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):Keita Iwabuchi, Roger A. Pearce, Brian Van Essen, Maya Gokhale, Satoshi Matsuoka

ROOM:Level 4 - Lobby

ABSTRACT:

Large-scale graph processing, where the graph is too large to fit in main-memory, is often required in diverse application fields. Recently, Non-Volatile Random Access Memories (NVRAM) devices, e.g., NAND Flash, have enabled the possibility to extend main-memory capacity without extremely high cost and power consumption. Our previous work demonstrated that NVRAM can be a powerful storage media for graph applications. However, constructing large graphs is expensive especially for NVRAM devices, due to sparse random memory accesses.

In many graph applications, the structure of the graph changes dynamically over time and may require online analysis. We describe a NVRAM specialized degree aware dynamic graph data structure using open addressing compact hash tables in order to minimize the number of page misses. We demonstrate that our dynamic graph structure can scale near-linearly
on an out-of-core dynamic edge insertion workload.

Chair/Author Details:

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

Keita Iwabuchi - Tokyo Institute of Technology

Roger A. Pearce - Lawrence Livermore National Laboratory

Brian Van Essen - Lawrence Livermore National Laboratory

Maya Gokhale - Lawrence Livermore National Laboratory

Satoshi Matsuoka - Tokyo Institute of Technology

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