Review: Extending the Memory Hierarchy
P
$
Memory
Very fast 1ns clock
Multiple Instructions
per cycle
SRAM, Fast, Small
Expensive
DRAM, Slow, Big,Cheap
(called physical or main memory)
Magnetic, Really Slow,
Really Big, Really Cheap
HW manages
movement
SW manages
movement
Previous slide
Next slide
Back to first slide
View graphic version