@techreport {icl:314, title = {MPI Collective Algorithm Selection and Quadtree Encoding}, journal = {ICL Technical Report}, number = {ICL-UT-06-11}, year = {2006}, month = {2006-00}, keywords = {ftmpi}, author = {Jelena Pjesivac{\textendash}Grbovic and Graham Fagg and Thara Angskun and George Bosilca and Jack Dongarra} }