@inproceedings{hoefler-parsim-06,
  author={Torsten Hoefler and P. Gottschling and Wolfgang Rehm and Andrew Lumsdaine},
  title={{Optimizing a Conjugate Gradient Solver with Non-Blocking Collective Operations}},
  year={2006},
  month={Sep.},
  pages={374-382},
  volume={},
  number={},
  booktitle={Recent Advantages in Parallel Virtual
  Machine and Message Passing Interface. 13th European PVM/MPI User's
  Group Meeting, Proceedings, LNCS 4192},
  location={Bonn, Germany},
  publisher={Springer},
  issn={0302-9743},
  isbn={3-540-39110-X},
}