sponsored byIEEEACMThe International Conference for High Performance 
Computing, Networking, Storage and Analysis
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SCHEDULE: NOV 16-21, 2014

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Raexplore: Enabling Rapid, Automated Architecture Exploration for Full Applications

SESSION: Poster Reception

EVENT TYPE: Posters

TIME: 5:15PM - 7:00PM

AUTHOR(S):Yao Zhang, Prasanna Balaprakash, Jiayuan Meng, Vitali Morozov, Scott Parker, Kalyan Kumaran

ROOM:New Orleans Theater Lobby

ABSTRACT:

We present Raexplore, a performance modeling framework for architecture exploration. Raexplore enables rapid, automated, and systematic search of architecture design space by combining hardware counter-based performance characterization and analytical performance modeling. We demonstrate Raexplore for two recent manycore processors IBM Blue-Gene/Q compute chip and Intel Xeon Phi, targeting a set of scientific applications. Our framework is able to capture complex interactions between architectural components including instruction pipeline, cache, and memory, and to achieve a 3–22% error for same-architecture and cross-architecture performance predictions. Furthermore, we apply our framework to assess the two processors, and discover and evaluate a list of potential architectural scaling options for future processor designs.

Chair/Author Details:

Yao Zhang - Argonne National Laboratory

Prasanna Balaprakash - Argonne National Laboratory

Jiayuan Meng - Argonne National Laboratory

Vitali Morozov - Argonne National Laboratory

Scott Parker - Argonne National Laboratory

Kalyan Kumaran - Argonne National Laboratory

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