Rolf Riesen is a principal member of
technical staff at Sandia National Laboratories in Albuquerque, New Mexico. He
holds a Ph.D. degree in computer science from the University of New Mexico (UNM).
His research interests include message passing systems, operating systems, and
runtime software for massively parallel computers. Over the last ten years in
this field he has primarily concentrated on topics related to efficient, scalable
message passing and interactions at the software/hardware boundary. Dr. Riesen
has been a key member of the design team for SUNMOS (Sandia/UNM OS) for the nCUBE
2 and the Intel Paragon, as well as Puma/Cougar, the second generation light weight
kernel for the Intel ASCI Red machine. He is also a key designer of the Portals
message passing mechanism. He has been a principal designer of Cplant, the largest
commodity cluster for scientific applications in the world. He was involved in
the overall design and the low level message passing layers, including the scalable
wire protocol used by Cplant.