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Can Cooling Technology Save Many-Core Parallel Programming from Its Programming Woes?

By Sean O'Brien, Uzi Vishkin, James Edwards, Edo Waks and Bao Yang

Abstract

An abstract of this work will be presented at the Compiler, Architecture and Tools Conference (CATC), Intel Development Center, Haifa, Israel November 23, 2015.This paper is advancing the following premise (henceforth, "vision"): that it is feasible to greatly enhance data movement in the short term, and do it in ways that would be both power efficient and pragmatic in the long term. The paper spells this premise out in greater detail: 1. it is feasible to build first generations of a variety of (power-inefficient) designs for which data movement will not be a restriction and begin application software development for them; 2. growing reliance on silicon compatible photonic technologies, and feasible advances in them with proper investment, will allow reduction of power consumption in these design by several orders of magnitude; 3. successful high performance application software, the ease of programming demonstrated and growing adoption by customers, software vendors and programmers will incentivize (hardware vendor) investment in new application-software-compatible generations of these designs (a new "software spiral" a la former Intel CEO, Andy Grove) with further reduction of power consumption in each generation; 4. microfluidic cooling is instrumental for enabling item 1, as well as for midwifing this overall vision. The opening paragraph of the paper provides a preamble to that vision, the body of the paper supports it and the paragraph "Moore's-Law-type vision" summarizes it. The scope of the paper is a bit forward looking and it may not exactly fit any particular community. However, its new directions for interaction among architecture and programming may suggest new horizons for representing and exposing a greater variety of data and task parallelism.National Science Foundatio

Topics: parallel programming, parallel algorithms, data movement problem, microfluidic cooling, silicon compatible photonics, parallel computer systems
Publisher: 'Wiley'
Year: 2015
DOI identifier: 10.13016/M2KH50
OAI identifier: oai:drum.lib.umd.edu:1903/17153
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