Contemporary High Performance Computing

Chapter 9

Roadrunner: The Dawn of Accelerated Computing

Sriram Swaminarayan

Los Alamos National Laboratory

9.1    The Path Leading to Roadrunner

9.1.1    Computing Begins at Los Alamos

9.1.2    Los Alamos Builds a Computer

9.1.3    First Use of Supercomputers

9.1.4    First HPC Computing Environment

9.1.5    U.S. Weapons Stewardship Using Supercomputing

9.1.6    Los Alamos Supercomputing Today

9.1.7    A Brief History of Roadrunner

9.1.8    The Hybrid Architecture of Roadrunner

9.2    Programming Roadrunner

9.2.1    The Three Faces of Roadrunner

9.2.2    A Developer’s View of Roadrunner

9.2.3    Identification of Kernels to Be Ported

9.2.4    Modification of Data Structures

9.2.5    Redesign of the Local Kernel

9.2.6    Strategies for Evaluating ...