This book constitutes the refereed proceedings of the 6th International Conference on Supercomputing, ISUM 2015, held in Mexico, Mexico, in March 2015.

The 38 revised full papers presented were carefully reviewed and selected from 102 submissions. The papers are organized in topical sections on perspectives in supercomputer infrastructure and applications; parallel algorithms and optimization; HPC applications and simulations;

This book constitutes the proceedings of the Third Latin American Conference on High Performance Computing, CARLA 2016, held in Mexico City, Mexico, in August/September 2016.The 30 papers presented in this volume were carefully reviewed and selected from 70 submissions.