Labels:book | bulletin board | cabinet | reckoner | shelf | sky | trade name OCR: Things Mother Nower Told tnder the Prooramning Interface 89 Exocution Unit Bus Interface Unit Activity Activily Cycle 0 Execution Unit executes shr Cycle Cycle Bus Interface Cycle 3 Unit prefetches Cycle 4 xeu shr Cycle 5 FIGURE 4. Cycle t Exexution unit cxesution time determines the werall exe Cycle cution time f seguence Cycle of slow instructions, such Exocution Unit 1 mul bes: ause skh executes nu Cycle 9 querke allos the prefetch Cycle qucuc stv well sto .ked with instrk tion bytes in this Cycle Bus Interface Unit example overall execution nAX mul prefetches time exacth mate hes cxccu Cycle tion unit exexution time PnK Cycle the pretetch queue cyele eter has no effexct. This figure is for Cycle illustrative punx onle Cycle is not intended thow the exact timings ot 8088 Cycle tions Cyc ...
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