What is HPC really for?

When it comes to some of the tech world’s most impressive offerings, high performance computing, also known as supercomputing, often rises to the top of the list. Referring to powerful systems used to crunch the most complex calculations or run incredibly demanding workloads, it’s a rapidly expanding field backed by significant investment.But what is high-performance computing really for? Where does exascale computing fit into the mix? And where might it be headed?