Re: [理工] [計組] 應該算memory的題目 我沒看過這 …

看板Grad-ProbAsk作者 (Nothing at all)時間13年前 (2011/03/04 22:46), 編輯推噓1(100)
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※ 引述《kai5566 (中肯˙專業凱56)》之銘言: : We want to compare the maximum bandwidth for a synchronous : and asynchronous bus. The synchronous bus has a clock cycle time of 50 ns, and : each bus transmission takes 1 clock cycle.The asynchronous bus requires : 40 ns per handshake. The data portion of both buses is 32 bits wide. : Find the bandwidth : for each bus when performing one-word reads from a 220-ns memory. : 我...完全不知如何下手 : 題目意思也不太懂......汗顏... : 麻煩了>"< 同步 send addr花50ns read memory花220ns send data花50ns total 320ns 所以maximum bus bandwidth = 32bit/320ns=12.5MB/s 非同步那七個步驟自己看講義或課本吧 第一步花40ns 2,3,4花max(40*3,220)=220ns 5,6,7花40*3=120ns total 380ns 所以maximum bus bandwidth = 32bit/380ns=10.5MB/s 大概就這樣吧 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 114.34.118.209

03/04 22:54, , 1F
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03/04 22:54, 1F
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