Cache block / line
Block size is more than 1 word
Why?
Spatial locality.
Bring in bigger block -> Bring in surrounding contexts
Observations
Finding byte blocks
E.g. Blocks are 8-bytes / 2-words
Which block is byte #13 in?
13 floorDiv 2^3 = 1
You can also do shift left the exponent
1101 sll 3 = 1
Problems
Read miss:
data loaded into cache, load from there into register
Write miss:
Summary
