Advantages of Stack architecture.
Context switching for interrupts takes essentially zero time
Does not need to be pipelined for ALU and operands, because
the operands are immediately available in the top of stack
Code is smaller than CISC programs by a factor of 2.5 to 8
Comments from Phil Koopman’s Book:
Size and Weight
Power and Cooling
Operating Environment
Cost
high-performance
Parallel processing