[理工] [計組] 98台大電機
題目一:
1.Compiling a same C program on two different computers,A and B, as follows,
which of the following is correct?
---------------------------------------------------------------
| | A | B |
---------------------------------------------------------------
|Instruction count | 10 billion | unknown |
---------------------------------------------------------------
| Clock rate | 4 GHz | 5 GHz |
---------------------------------------------------------------
| CPI | 1.0 | 1.2 |
---------------------------------------------------------------
問題一:
想請問以下兩個選項有辦法算出來嗎?
(A)The instruction count on B must be greater than 9.6 billion.
(B)The program will spend less CPU time on B.
另外想問在什麼條件下,ExTime A才可以等於ExTime B,並算出unknown的地方?
題目二:
http://ppt.cc/289N
問題二:
想請問畫線地方想表達的是什麼意思?是代表指令個數嗎?
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10/16 20:46, , 1F
10/16 20:46, 1F
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10/16 21:01, , 2F
10/16 21:01, 2F
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10/16 21:47, , 3F
10/16 21:47, 3F
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10/16 22:04, , 4F
10/16 22:04, 4F
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10/16 22:05, , 5F
10/16 22:05, 5F
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10/16 22:06, , 6F
10/16 22:06, 6F
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10/16 22:13, , 7F
10/16 22:13, 7F
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10/16 22:55, , 8F
10/16 22:55, 8F
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10/17 21:01, , 9F
10/17 21:01, 9F
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