Questions:
Numerical: memory cost and hit ratio
Explain the meaning of Tc, Cc, Tm and Cm in the following memory system specification.
Tc = 100 ns
Cc = 10^(-4) $/bit
Tm = 1200 ns
Cm = 10^(-4) $/bit
a. Calculate the cost of 1 MByte of main memory using the above parameters.
b. What is the cost of 1 MByte of cache memory?
c. If the effective access time is 10% greater than the cache access time, what would be the hit ratio (H)?