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RAW, WAR, WAW hazards
Tuhin Dutta
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CO and Architecture
Dec 3, 2017
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J1: R1 = 100
J2: R1 = R2 + R4
J3: R2 = R4 + 25
J4: R4 = R1 + R3
J5: R1 = R1 + 30
Give the no of RAW, WAR and WAW hazards
data-hazards
data-dependency
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hazards
Tuhin Dutta
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Dec 3, 2017
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Tuhin Dutta
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Chipra
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Nov 21, 2019
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Nov 22, 2019
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Chipra
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@srivivek95 Please explain why not
J1-J4 and J1- J5 in RAW, and
J1-J5 in WAW
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jiminpark
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Jan 26, 2022
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@Tuhin Dutta
Sir, whats the answer?
RAW = 2 or RAW = 4?
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Chandrabhan Vishwa 1
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Jan 26, 2022
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RAW dependencies =4
WAR dependencies =4
WAW dependencies =3
Total=11
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remember one thing,these hazards take place only btw 2 adjacent instructions
Sainath Mandavilli
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Jun 29, 2020
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Sainath Mandavilli
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Calculate sum of (WAR, RAW and WAW) dependencies instructions.
Consider the following instructions. I 1 : R 1 = 100 I 2 : R 1 = R 2 + R 4 I 3 : R 2 = R 4 + 25 I 4 : R 4 = R 1 + R 3 I 5 : R 1 = R 1 + 30 Calculate sum of (WAR, RAW and WAW) dependencies the above instructions. (a) 10 (c) 6 (b) 12 (d) 8
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