Hardware interview practice
Deterministic XY mesh route
A packet in a non-wrapping 4-by-4 mesh is at (x,y)=(1,2) and must reach (3,0). East increments x, west decrements x, north increments y, and south decrements y. XY routing completes all x movement before any y movement. Which ordered hop sequence is required?
Choose one
Answer choices
- A. East, East, South, South.
- B. West, West, North, North.
- C. South, South, East, East.
- D. East, South, East, South.