Improving the Performance of CA-GMRES on Multicores with Multiple GPUs

  title={Improving the Performance of CA-GMRES on Multicores with Multiple GPUs},
  author={Ichitaro Yamazaki and Hartwig Anzt and Stanimire Tomov and Mark Hoemmen and Jack J. Dongarra},
  journal={2014 IEEE 28th International Parallel and Distributed Processing Symposium},
The Generalized Minimum Residual (GMRES) method is one of the most widely-used iterative methods for solving nonsymmetric linear systems of equations. In recent years, techniques to avoid communication in GMRES have gained attention because in comparison to floating-point operations, communication is becoming increasingly expensive on modern computers. Since graphics processing units (GPUs) are now becoming crucial component in computing, we investigate the effectiveness of these techniques on… CONTINUE READING
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