PhD Proposal by Sriseshan Srikanth

Event Details
  • Date/Time:
    • Wednesday May 30, 2018
      10:00 am - 12:00 pm
  • Location: KACB 1212
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Summary Sentence: Energy Efficient Architectures for Irregular Data Streams

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Title: Energy Efficient Architectures for Irregular Data Streams

 

Ph.D. Thesis Proposal

 

Sriseshan Srikanth

Ph.D. Student

School of Computer Science

College of Computing

Georgia Institute of Technology

 

Date: Wednesday, May 30, 2018

Time: 10 AM to 12 PM EDT

Location: KACB 1212

 

Committee:

Dr. Thomas M. Conte, Advisor, School of Computer Science Dr. Hyesoon Kim, School of Computer Science Dr. Milos Prvulovic, School of Computer Science Dr. Sudhakar Yalamanchili, School of Electrical and Computer Engineering Dr. Erik P. DeBenedictis, Sandia National Laboratories

 

Abstract:

The rate of improvement in single thread performance has reduced significantly over the last decade, due to two fundamental bottlenecks, commonly known as the power wall and the memory wall. This thesis proposes energy efficient architectues to tackle both of these issues.

 

Next generation devices are fast switching even at few tens of millivolts, but as a result, are vulnerable to thermal noise perturbations, resulting in intermittent, stochastic, bit errors in logic. The first part of this thesis proposes a novel, energy-efficient architecture that uses residue codes for computational error correction, in spite of the fact that residue codes cause memory access irregularities.

 

Another cause of memory access irregularities is sparse data applications, even when conventional architectures are used. With the help of novel representations, algorithms and near memory processing, the second part of this thesis tackles the fundamental problem of latency of main memory accesses of sparse data streams, while also significantly reducing overheads of data movement through the memory hierarchy.

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Graduate Studies

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Public, Graduate students, Undergraduate students
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Phd proposal
Status
  • Created By: Tatianna Richardson
  • Workflow Status: Published
  • Created On: May 29, 2018 - 9:03am
  • Last Updated: May 29, 2018 - 9:03am