Sorry i didn't see that math forum earlier..
Hello, I am having trobule with a problem and am wondering if anyone could help me understand.
This is for homework in my Computer Archtecture class at college.
I have a cache with access time of 4 nSec,
compared to a miss time of 60 nSec.
W/o the cache Mainmem has access time of 50nSec.
Running a set of benchmarks w and w/o the cache indicated
a speed up of 80%. What is the hit ratio...?
I have this formula
Can anyone possible help me ?
EAT = H * AccessC + (1-H)* AccessM
H = hit rate
AccessC = cache access time
AccessM = main mem Access time