Scratchpad memory
HIGH-SPEED INTERNAL MEMORY USED FOR TEMPORARY STORAGE
Scratchpad (computers); Scratchpad RAM; Scratchpad memories
Scratchpad memory (SPM), also known as scratchpad, scratchpad RAM or local store in computer terminology, is a high-speed internal memory used for temporary storage of calculations, data, and other work in progress. In reference to a microprocessor (or CPU), scratchpad refers to a special high-speed memory used to hold small items of data for rapid retrieval.