R1 = X + 1 Y = R1 + R2 R1 = R2 + X Complete the following: Lay the instructions out as they would be fed through a 6-stage CPU pipeline not accounting for any hazards. S1: Fetch instruction, S2: Decode opcode, S3: Calc effective address of operands, S4: Fetch operands, S5: Execute instruction, S6: Store result Identify any hazards present "Fix" the pipeline process to remove the hazards
R1 = X + 1 Y = R1 + R2 R1 = R2 + X Complete the following: Lay the instructions out as they would be fed through a 6-stage CPU pipeline not accounting for any hazards. S1: Fetch instruction, S2: Decode opcode, S3: Calc effective address of operands, S4: Fetch operands, S5: Execute instruction, S6: Store result Identify any hazards present "Fix" the pipeline process to remove the hazards
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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This was previously asked and answered, but I need it in a format similar to what is depicted in the image attached, but with 6 stage instead of 4 stage.
R1 = X + 1
Y = R1 + R2
R1 = R2 + X
Complete the following:
- Lay the instructions out as they would be fed through a 6-stage CPU pipeline not accounting for any hazards.
S1: Fetch instruction, S2: Decode opcode, S3: Calc effective address of operands, S4: Fetch operands, S5: Execute instruction, S6: Store result
- Identify any hazards present
- "Fix" the pipeline process to remove the hazards
![Practice out in the pipeline...
Fixed with NoOps inserted
Time
Period
10 11
1
2
3
4
5
6
8
9
12
X =
S1
S4
R1 +
Fetch
S2
S3
Store
10
R1
X
S1
S4
R1 =
No
No
No
Fetch
S2
S3
Store
X + Y
Op
Op
Op
X & Y
R1
S1
R2 =
S4
No
No
No
No
No
No
Fetch
R1 +
s2 S3
Store
Op
Op
Op
Op
Op
Op
R1 &
Y
R2
Y
S1. Fetch. S2. Decode. S3. Execute. S4. Store.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F96af0b8b-6e09-4e68-b401-00444c6a5e5b%2F49b25a3e-31da-4e8e-b5d0-30aca6c3b07c%2F4cok7ip_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Practice out in the pipeline...
Fixed with NoOps inserted
Time
Period
10 11
1
2
3
4
5
6
8
9
12
X =
S1
S4
R1 +
Fetch
S2
S3
Store
10
R1
X
S1
S4
R1 =
No
No
No
Fetch
S2
S3
Store
X + Y
Op
Op
Op
X & Y
R1
S1
R2 =
S4
No
No
No
No
No
No
Fetch
R1 +
s2 S3
Store
Op
Op
Op
Op
Op
Op
R1 &
Y
R2
Y
S1. Fetch. S2. Decode. S3. Execute. S4. Store.
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