An Etymological Dictionary of Astronomy and Astrophysics

In computer science, to increase the processing power of the same node/system by increasing its resources (CPU, RAM, etc.).
This is a type of → vertical scaling
opposite to → scale down. For example, instead of a machine with a CPU running at speed of X and having Y gigabytes of memory, use a machine with a CPU running at speed of 4X and a memory of 4Y gigabytes. See also → scale in, → scale out.

See also: → scale; → up.