Assume that the operation times for the major functional units in the Single -Cycle implementation are...
Assume that the operation times for the major functional units
in the Single -Cycle implementation are the following;
a) Instruction Memory Unit: 2 ns
b) Data Memory Unit (Read): 3 ns
c) Data Memory Unit (Write): 4 ns
d) ALU: 2 ns
e) PC + 4 Adder: X ns
f) Branch address computation Adder: Y ns
g) Register File (Read): 1 ns
h) Register File (Write): 2 ns
Assuming that Multiplexors, Sign-Extension Units and Wires have
negligible delays, find the total delay of each
lw,sw,add,sub,and,or,slt. Show in tabular form.
PS: Find the delays by drawing the data path for each individual
instruction
Homework Answers
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Assume that the operation times for the major functional units
in the Single -Cycle implementation are...
6. Consider a datapath similar to the one in figure below, but for a processor that only has one type of instruction: unconditional PC-relative branch. What would the cycle time be for this dat...
6. Consider a datapath similar to the one in figure below, but for a processor that only has one type of instruction: unconditional PC-relative branch. What would the cycle time be for this datapath? PCSrc Add ALU Add result Shift +( left 2 Read register 1 ALUSrc, 4 ALU operation PCRead PC-address Read data 1 Registers Read data 2 MemWrite Zero ALU ALU-I Address MemtoReg Instruction register 2 Instruction | Write Read data-M register Write Lu memory Write Data data...
Question 12 The datapath for 5-stage MIPS pipelined architecture is given below. IFAD IDEX EX/MEM MEMWB...
Question 12 The datapath for 5-stage MIPS pipelined architecture is given below. IFAD IDEX EX/MEM MEMWB Add 4 Add Add result Shift left 2 PC Address Instruction ALU Instruction memory Read register 1 Read data 1 Read register 2 "Registers Read Write data 2 register Write data Zero ALU result Address Read data Data memory Write data 16 32 Sign- extend Choose all the components that generate a useful result during the execution of the following instruction: LW R1, 8(R2)...
The datapath for 5-stage MIPS pipelined architecture is given below. VAD IDEX EXMEM MEMWI Add Add...
The datapath for 5-stage MIPS pipelined architecture is given below. VAD IDEX EXMEM MEMWI Add Add Ads Shit wef2 Address Read Read register Road Zero Instruction memory w gier rond Address data register Write data 0 memory w extend Choose all the components that generate a useful result during the execution of the following instruction: LW R1, B(R2) 1. Program Counter 2. Adder in IF stage 3. Instruction Memory 4. Register File Choose all the components that generate a useful...
Assume that ‘slt $1, $2, $3’ is executed with the implementation in the picture. Identify the value of the 9-bit control...
Assume that ‘slt $1, $2, $3’ is executed with the implementation
in the picture. Identify the value of the 9-bit control
signals.
Add u X ALU result 4 Add Shift left 2 RegDst Branch MemRead MemtoReg Control ALUOP Instruction [31-26 MemWrite ALUSRC RegWrite Instruction [25-21] Read register 1 Read Read PC address Instruction [20-16] data 1 Read Zero register 2 Instruction ALU ALU 31-0] Instruction memory Read data M Read Address Write result u M Instruction [15-11] register data 2...
With regard to the single cycle implementation discussed in the lecture, identify True/False for each of...
With regard to the single cycle implementation discussed in the lecture, identify True/False for each of the following statements: (a) The register file writes to one register on at the end of every clock cycle. (b) Near the end of every cycle the data memory (DM) performs either a memory read or a memory write action. (c) During the execution a beq instruction, ALU performs sub operation.
With regard to the single cycle implementation discussed in the lecture, identify True/False for each of...
With regard to the single cycle implementation discussed in the lecture, identify True/False for each of the following statements: (a) The register file writes to one register on at the end of every clock cycle. (b) Near the end of every cycle the data memory (DM) performs either a memory read or a memory write action. (c) During the execution a beq instruction, ALU performs sub operation.
Assume the MIPS instruction subset is redefinied to contain only the following instructions: 1. Assume that...
Assume the MIPS instruction subset is redefinied to contain
only the following instructions:
1. Assume that our MIPS instruction subset is redefined to contain only the following instructions: Instruction Instruction fetch Register read & ALU operation Data Memory Register write decode 0 ns R-format 2ns 1 ns lw ns l ns 2 ns 5 ns 1 ns ns 1 ns ns 0 0 bne The table lists the times required for each step within each instruction. Recall that with the...
Question 5 0.25 pts What is the value of the MemWrite control signal? Question 6 0.25 pts What is the value of the ALUSrc control signal? Add Add Sum--(1 4 Shift left 1 Branch MemRead Instruction [6-...
Question 5 0.25 pts What is the value of the MemWrite control signal? Question 6 0.25 pts What is the value of the ALUSrc control signal? Add Add Sum--(1 4 Shift left 1 Branch MemRead Instruction [6-0] ControMemtoReg MemWrite ALUSrc RegWrite Instruction [19-15]Read Read register 1 Read Read data! PCaddress Instruction [24-20] Zero ALU ALU result register 2 Instruction 31-0 Instruction [11-7 Read1 Address data | Write Read register daiaALU | M Instruction memory Write data Registers Write Data data...
Suppose the times required by each of the functional units of a MIPS processor to do...
Suppose the times required by each of the functional units of a MIPS processor to do their work are: Instruction Memory: 400 ps Data Memory: 400 ps ALU: 300 ps Register file: 200 ps lgnoring the overhead introduced by the pipeline registers, what is the maximum speedup achieved by the pipelined processor with fetch, decode, execute, memory and write back stages vis-a-vis the single-cycle processor? Give your answer to two decimal places.
*For a clearer view of the datapath* Answer choices for all Consider the MIPS single cycle...
*For a clearer view of the datapath*
Answer choices for all
Consider the MIPS single cycle datapath shown below. Select the correct control signals that will be generated by the control unit for the following instruction: andi $t0,$t1,4 Instruction (25-01 Shin Jump address (31-0) - left 2) 28 PC +4 [31-28) XCS result left 2 RegDst Jump Branch MemRead Instruction (31-26] MemtoReg Control ALUOP MemWrite ALUSrc RegWrite Instruction (25-21] PC Read address Read register 1 Read Instruction (20-16] Read data...
6. Consider a datapath similar to the one in figure below, but for a processor that only has one type of instruction: unconditional PC-relative branch. What would the cycle time be for this datapath? PCSrc Add ALU Add result Shift +( left 2 Read register 1 ALUSrc, 4 ALU operation PCRead PC-address Read data 1 Registers Read data 2 MemWrite Zero ALU ALU-I Address MemtoReg Instruction register 2 Instruction | Write Read data-M register Write Lu memory Write Data data...
Question 12 The datapath for 5-stage MIPS pipelined architecture is given below. IFAD IDEX EX/MEM MEMWB Add 4 Add Add result Shift left 2 PC Address Instruction ALU Instruction memory Read register 1 Read data 1 Read register 2 "Registers Read Write data 2 register Write data Zero ALU result Address Read data Data memory Write data 16 32 Sign- extend Choose all the components that generate a useful result during the execution of the following instruction: LW R1, 8(R2)...
The datapath for 5-stage MIPS pipelined architecture is given below. VAD IDEX EXMEM MEMWI Add Add Ads Shit wef2 Address Read Read register Road Zero Instruction memory w gier rond Address data register Write data 0 memory w extend Choose all the components that generate a useful result during the execution of the following instruction: LW R1, B(R2) 1. Program Counter 2. Adder in IF stage 3. Instruction Memory 4. Register File Choose all the components that generate a useful...
Assume that ‘slt $1, $2, $3’ is executed with the implementation
in the picture. Identify the value of the 9-bit control
signals.
Add u X ALU result 4 Add Shift left 2 RegDst Branch MemRead MemtoReg Control ALUOP Instruction [31-26 MemWrite ALUSRC RegWrite Instruction [25-21] Read register 1 Read Read PC address Instruction [20-16] data 1 Read Zero register 2 Instruction ALU ALU 31-0] Instruction memory Read data M Read Address Write result u M Instruction [15-11] register data 2...
Assume the MIPS instruction subset is redefinied to contain
only the following instructions:
1. Assume that our MIPS instruction subset is redefined to contain only the following instructions: Instruction Instruction fetch Register read & ALU operation Data Memory Register write decode 0 ns R-format 2ns 1 ns lw ns l ns 2 ns 5 ns 1 ns ns 1 ns ns 0 0 bne The table lists the times required for each step within each instruction. Recall that with the...
Question 5 0.25 pts What is the value of the MemWrite control signal? Question 6 0.25 pts What is the value of the ALUSrc control signal? Add Add Sum--(1 4 Shift left 1 Branch MemRead Instruction [6-0] ControMemtoReg MemWrite ALUSrc RegWrite Instruction [19-15]Read Read register 1 Read Read data! PCaddress Instruction [24-20] Zero ALU ALU result register 2 Instruction 31-0 Instruction [11-7 Read1 Address data | Write Read register daiaALU | M Instruction memory Write data Registers Write Data data...
Suppose the times required by each of the functional units of a MIPS processor to do their work are: Instruction Memory: 400 ps Data Memory: 400 ps ALU: 300 ps Register file: 200 ps lgnoring the overhead introduced by the pipeline registers, what is the maximum speedup achieved by the pipelined processor with fetch, decode, execute, memory and write back stages vis-a-vis the single-cycle processor? Give your answer to two decimal places.
*For a clearer view of the datapath*
Answer choices for all
Consider the MIPS single cycle datapath shown below. Select the correct control signals that will be generated by the control unit for the following instruction: andi $t0,$t1,4 Instruction (25-01 Shin Jump address (31-0) - left 2) 28 PC +4 [31-28) XCS result left 2 RegDst Jump Branch MemRead Instruction (31-26] MemtoReg Control ALUOP MemWrite ALUSrc RegWrite Instruction (25-21] PC Read address Read register 1 Read Instruction (20-16] Read data...
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