Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Speedup versus number of tasks for both MPI only and hybrid MPI+OpenMP parallelization of an RDF calculation (15022 water oxygen atoms, 100 frames) for 1 or 2 nodes. Raw timing for 1 node, 1 task (i.e. serial) is 2541 s. Calculations run on the Ember cluster, CHPC at University of Utah (Westmere 2.8 GHz, dual socket six-core nodes).
