@article{Bethel:AutoTuning-IJHPCA:2012,
  author = {E. Wes Bethel and Mark Howison},
  title = {{Multi-core and Many-core Shared-memory Parallel Raycasting Volume Rendering Optimization and Tuning}},
  journal = {International Journal of High Performance Computing Applications},
  volume = {26},
  number = 4,
  pages = {399--412},
  month = nov,
  year = 2012,
  note = LBNL-5362E,
}