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PhD Preliminary Oral Exam – Taylor Johnson

Performance Cost Model for Non-DOALL Loops

The thread-level parallelism (TLP) present in DOALL loops is well understood and easy to exploit with modern parallel programming frameworks and tools. Non-DOALL (or DOACROSS) loops also contain some level of TLP, but inter-iteration dependences make it hard to exploit without costly synchronization overhead. In this work, a performance cost model is proposed that uses a DOACROSS loop's characteristic performance parameters (a minimal set of values that can be gathered statically or dynamically) to determine if the loop is worth parallelizing. The performance model is based on both a thorough analysis of the effects of these parameters and supportive experimental results.

Major Advisor: Ben Lee
Committee: Bella Bose
Committee: Thinh Nguyen
Committee: Ted Brekken
GCR: William Warnes

Tuesday, December 4, 2018 at 2:00pm to 4:00pm


Kelley Engineering Center, 1007
110 SW Park Terrace, Corvallis, OR 97331

Event Type

Lecture or Presentation

Event Topic

Research

Organization
College of Engineering, Electrical Engineering and Computer Science
Contact Name

Calvin Hughes

Contact Email

Calvin.Hughes@oregonstate.edu

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