流水线技术 Figure .20 Pipelining Speeds Elapsed Time for Computer Processing Fetch Decode FETCH DEC 深8， DE FetchFetch Fetch Ferch Feich Fetch Fetch Fetch WRITE EXECUTE oe含 It ste 2 r int lna ntr Write Execute Reue Bes2 Reule ee 4 This docm isproduced byrial version of PrnFVisit www.prinfashom formoreinfoio