Terminology

Node

Nodes are a type of computer called a server. They generally have more power than a typical computer.

They may have special hardware like graphical processing units (GPUs).

There are two types of Nodes:

1. Login node - a server used for logging in and submitting jobs.
2. Compute node - a server that carries out the computational work.

Core

A core is an individual processor on a computer.

Memory

In HPC, memory refers to the random-access memory on a node.

Storage

In HPC, storage refers to disk storage visible from a node.