Performance optimization on a supercomputer with cTuning and the PGI compiler

  • Authors:
  • Davide Del Vento

  • Affiliations:
  • National Center for Atmospheric Research (NCAR), Boulder, CO

  • Venue:
  • Proceedings of the 2nd International Workshop on Adaptive Self-Tuning Computing Systems for the Exaflop Era
  • Year:
  • 2012

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Abstract

In this paper we show a machine learning based implementation of autotuning, built with the cTuning CC framework. We implemented the PGI compiler in the cTuning CC framework, plugged in a few additional benchmarks and tested it on a Cray XT5m supercomputer. The main contribution of the present paper consists in combining existing autotuning techniques and using them with the PGI production compiler. Although not ready for production workflows yet, our results are encouraging.