Usually, you are forced to decide to use "squeeze memory" when your programs begin to abort execution as a result of having run out of memory (there will be an error "error: memory pool 'Easel Program' ran out of memory"). For short-lived applications, it may be sufficient to increase the maximum memory by changing the value of PRGMAX, however, if you continue to run out of memory, and to ensure efficient use of resources you must include a "response to low memory" in your program which calls "squeeze memory".