Parallelization

• Previous Implementations

  • D & Sorensen, 87, Shared Memory
  • Ispen & Jessup, 90 Hypercube
  • Gates & Arbenz, 94 Intel Paragon

• Aim: to have an efficient, scalable and portable parallel D&C for ScaLAPACK

• Issues:

  • How to distribute the data
  • How to split up the work among processors
  • How to maintain orthogonality
  • How to take advantage of deflation

Previous slide

Next slide

Back to first slide

View graphic version