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Homework Answers
Read after write hazards:
Instruction (2 ) depends on instruction ( 1) caused by register $4
Instruction (4 ) depends on instruction ( 3) caused by register $2
Instruction (6 ) depends on instruction (5 ) caused by register $8
write after read hazards:
Instruction ( 4) depends on instruction (3 ) caused by register $8
Instruction ( 5) depends on instruction (3 ) caused by register $8
Instruction ( 7) depends on instruction (3 ) caused by register $8
Instruction (8 ) depends on instruction (3 ) caused by register $8
Instruction (6 ) depends on instruction ( 4) caused by register $2
Instruction ( 6) depends on instruction ( 5) caused by register $2
Instruction ( 7) depends on instruction (6 ) caused by register $8
Instruction (8 ) depends on instruction ( 6) caused by register $8
write after write hazards:
Instruction ( 6) depends on instruction ( 3) caused by register $2
Instruction (5 ) depends on instruction (4 ) caused by register $8
Instruction ( 7) depends on instruction ( 4) caused by register $8
Instruction ( 8) depends on instruction (4 ) caused by register $8
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7 [24 marks] Consider the following MIPS code segment that is executed on a 5-stage pipeline architecture that does not implement forwarding or stalling in hardware. (1) add $4, $1, $1 (2) add $7,...
I just need part (d) answered 7) [24 marks] Consider the following MIPS code segment that is executed on a 5-stage pipeline architecture that does not implement forwarding or stalling in hardware....
I just need part (d) answered
7) [24 marks] Consider the following MIPS code segment that is executed on a 5-stage pipeline architecture that does not implement forwarding or stalling in hardware. (1) add $4, $1, $1 (2) add $7, $4, $9 (3) lw $2, 400S8) (4) sub $8, $1, $2 (5) SKSs, so($2) (6) sub $2, $8, $4 (7) lw $3, 2($1) (8) add $8, $4, $2 Identify the data dependences that cause hazards. You are to use the...
(60 points) The following instructions are executed on the 5-stage MIPS pipelined datapath. add r...
Computer architecture help:
(60 points) The following instructions are executed on the 5-stage MIPS pipelined datapath. add r5,r2, r1 lw r3, 4(r5) lw r2, 0(r2) or r3, r5, r3 sw r3, 0(r5) (a) (20 points) List the data hazards in the above code. For each data hazard identified, clearly mark the source and the destination. For example you can say, there is a data hazard from instruction X to instruction Y on register Z. (b) (20 points) Assume there is...
Show how the following four instructions will be executed within the MIPS pipeline. Also, show the...
Show how the following four instructions will be executed within the MIPS pipeline. Also, show the forwarding paths needed. Use the graphical notation showing all stages of MIPS pipeline. Indicate all data dependencies. Which dependencies are data hazards that will be resolved via forwarding? Which dependencies are data hazards that will cause a stall? add $s3, $s4, $s6 sub $s5, $s5, $s2 lw $s7, 100 ($s5) add $s8, $s7, $s2
The classic five-stage pipeline MIPS architecture is used to execute the code fragments in this problem....
The classic five-stage pipeline MIPS architecture is used to
execute the code fragments in this problem. Assume the
followings:
The architecture fully supports forwarding,
Register write is done in the first half of the clock cycle;
register read is performed in the second half of the clock
cycle,
Branches are resolved in the third stage of the pipeline and
the architecture does not utilize any branch prediction
mechanism,
Register R4 is initially 100.
L1: lw R1,
0(R4)
add R3, R1, R2
sw ...
1.Please use 5-stage pipeline to describe following MIPS assembly code in non-forwarding pipeline. lw $s0, 0($t0)...
1.Please use 5-stage pipeline to describe following MIPS assembly code in non-forwarding pipeline. lw $s0, 0($t0) add $s1, $s0, $s0 mul $s2, $s1, $s0 . 2.Please use 5-stage pipeline to describe following MIPS assembly code in forwarding pipeline. lw $s0, 0($t0) add $s1, $s0, $s0 mul $s2, $s1, $s0 sw $s2, 4($t0)
1. Given the following instruction sequence for the MIPS processor with the standard 5 stage pipeline $10, S0. 4 addi lw S2.0(S10) add sw S2,4(510) $2, $2, $2 Show the data dependences between th...
1. Given the following instruction sequence for the MIPS processor with the standard 5 stage pipeline $10, S0. 4 addi lw S2.0(S10) add sw S2,4(510) $2, $2, $2 Show the data dependences between the instructions above by drawing arrows between dependent instructions (only show true/data dependencies). a. Assuming forwarding support, in what cycle would the store instruction write back to memory? Show the cycle by cycle execution of the instructions as they execute in the pipeline. Also, show any stalls...
The classic five-stage pipeline MIPS architecture is used to execute the code fragments in this problem....
The classic five-stage pipeline MIPS architecture is used to execute the code fragments in this problem. Assume the followings: • The architecture fully supports forwarding, • Register write is done in the first half of the clock cycle; register read is performed in the second half of the clock cycle, • Branches are resolved in the third stage of the pipeline and the architecture does not utilize any branch prediction mechanism, • Register R4 is initially 200. L1: lw lw...
help Question 11 The classic five-stage pipeline MIPS architecture is used to execute the code fragments...
help
Question 11 The classic five-stage pipeline MIPS architecture is used to execute the code fragments in this problem. Assume the followings: • The architecture fully supports forwarding, • Register write is done in the first half of the clock cycle; register read is performed in the second half of the clock cycle, • Branches are resolved in the third stage of the pipeline and the architecture does not utilize any branch prediction mechanism, • Register R4 is initially 200....
add SW addi bne The classic five-stage pipeline MIPS architecture is used to execute the code...
add SW addi bne The classic five-stage pipeline MIPS architecture is used to execute the code fragments in this problem. Assume the followings: The architecture fully supports forwarding, • Register write is done in the first half of the clock cycle; register read is performed in the second half of the clock cycle, • Branches are resolved in the third stage of the pipeline and the architecture does not utilize any branch prediction mechanism, • Register R4 is initially 100....
The classic five-stage pipeline MIPS architecture is used to execute the code fragments. Assume the followings:...
The classic five-stage pipeline MIPS architecture is used to execute the code fragments. Assume the followings: Register write is done in the first half of the clock cycle; register read is performed in the second half of the clock cycle, Branches are resolved in the SECOND stage of the pipeline and the architecture does not utilize any branch prediction mechanism Forwarding is FULLY supported. Assuming there is no dependence other than one(s) given in the code, show the pipeline diagram....
I just need part (d) answered
7) [24 marks] Consider the following MIPS code segment that is executed on a 5-stage pipeline architecture that does not implement forwarding or stalling in hardware. (1) add $4, $1, $1 (2) add $7, $4, $9 (3) lw $2, 400S8) (4) sub $8, $1, $2 (5) SKSs, so($2) (6) sub $2, $8, $4 (7) lw $3, 2($1) (8) add $8, $4, $2 Identify the data dependences that cause hazards. You are to use the...
Computer architecture help:
(60 points) The following instructions are executed on the 5-stage MIPS pipelined datapath. add r5,r2, r1 lw r3, 4(r5) lw r2, 0(r2) or r3, r5, r3 sw r3, 0(r5) (a) (20 points) List the data hazards in the above code. For each data hazard identified, clearly mark the source and the destination. For example you can say, there is a data hazard from instruction X to instruction Y on register Z. (b) (20 points) Assume there is...
Show how the following four instructions will be executed within the MIPS pipeline. Also, show the forwarding paths needed. Use the graphical notation showing all stages of MIPS pipeline. Indicate all data dependencies. Which dependencies are data hazards that will be resolved via forwarding? Which dependencies are data hazards that will cause a stall? add $s3, $s4, $s6 sub $s5, $s5, $s2 lw $s7, 100 ($s5) add $s8, $s7, $s2
The classic five-stage pipeline MIPS architecture is used to
execute the code fragments in this problem. Assume the
followings:
The architecture fully supports forwarding,
Register write is done in the first half of the clock cycle;
register read is performed in the second half of the clock
cycle,
Branches are resolved in the third stage of the pipeline and
the architecture does not utilize any branch prediction
mechanism,
Register R4 is initially 100.
L1: lw R1,
0(R4)
add R3, R1, R2
sw ...
1. Given the following instruction sequence for the MIPS processor with the standard 5 stage pipeline $10, S0. 4 addi lw S2.0(S10) add sw S2,4(510) $2, $2, $2 Show the data dependences between the instructions above by drawing arrows between dependent instructions (only show true/data dependencies). a. Assuming forwarding support, in what cycle would the store instruction write back to memory? Show the cycle by cycle execution of the instructions as they execute in the pipeline. Also, show any stalls...
The classic five-stage pipeline MIPS architecture is used to execute the code fragments in this problem. Assume the followings: • The architecture fully supports forwarding, • Register write is done in the first half of the clock cycle; register read is performed in the second half of the clock cycle, • Branches are resolved in the third stage of the pipeline and the architecture does not utilize any branch prediction mechanism, • Register R4 is initially 200. L1: lw lw...
help
Question 11 The classic five-stage pipeline MIPS architecture is used to execute the code fragments in this problem. Assume the followings: • The architecture fully supports forwarding, • Register write is done in the first half of the clock cycle; register read is performed in the second half of the clock cycle, • Branches are resolved in the third stage of the pipeline and the architecture does not utilize any branch prediction mechanism, • Register R4 is initially 200....
add SW addi bne The classic five-stage pipeline MIPS architecture is used to execute the code fragments in this problem. Assume the followings: The architecture fully supports forwarding, • Register write is done in the first half of the clock cycle; register read is performed in the second half of the clock cycle, • Branches are resolved in the third stage of the pipeline and the architecture does not utilize any branch prediction mechanism, • Register R4 is initially 100....
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