Q1:GEM5 + NVMAIN BUILD-UP (complete)

Q2:Enable L3 last level cache in GEM5 + NVMAIN (complete)

Q3:Config last level cache to 2-way and full-way associative cache and test performance (complete)

Q4:Modify last level cache policy based on RRIP (complete)

Q5:Test the performance of write back and write through policy based on 4-way associative cache with isscc_pcm (complete)