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Given 3 different instruction types, A, B and C. Each type-A, B and C instruction takes...
A non-pipelined processor has a clock rate of 1 GHz and an average instruction takes 9...
A non-pipelined processor has a clock rate of 1 GHz and an average instruction takes 9 cycles to execute. The manufacturer has decided to design a pipelined version of this processor. For this purpose, the instruction cycle has been divided into five stages with the following latencies: Stage 1 – 2.0 ns,Stage 2 – 1.5 ns, Stage 3 – 1.0 ns, Stage 4 – 2.6 ns, Stage 5 – 1.9 ns. Each stage will require an extra 0.4 ns for...
In this exercise, we examine how data dependences affect execution in the basic 5-stage pipeline described...
In this exercise, we examine how data dependences affect execution in the basic 5-stage pipeline described in Section 4.5. Problems in this exercise refer to th following sequence of instructions: addi $2,$2,22 SW $3,20($2) OR $4,$2,$3 Also, assume the following cycle times for each of the options related to forwarding: Without Forwarding With Full Forwarding 300ps With ALU-ALU Forwarding Only 250ps 290ps 4.9.1 [10] <4.5> Indicate dependences and their type. 4.9.2 [10] <S4.5> Assume there is no forwarding in this...
Please i need a good answer and a perfect answer.. i need unique answer use your own words. pleas...
please i need a good answer and a perfect answer.. i need unique
answer use your own words.
please i need a good answer and a perfect answer.. i need unique
answer use your own words.
please i need a good answer and a perfect answer.. i need unique
answer use your own words.
don't use handwriting
Q3:
a) Specify the two factors used to determine the capacity of
memory. Find out the memory capacity, if the number of bits...
A processor is designed such that the clock of the processor runs at 1 GHz. The following table gives the instruction frequencies for the benchmark and how many cycles each instruction takes. Inst...
A processor is designed such that the clock of the processor runs at 1 GHz. The following table gives the instruction frequencies for the benchmark and how many cycles each instruction takes. Instruction Type Frequency Cycles Load & Stores 25% 10 cycles Arithmetic Instructions 65% 6 cycles Branch instructions 10% 4 cycles (a) Calculate the CPI for the above benchmark. (b) Suppose the amount of registers are doubled, such that clock cycle time increases by 40%. What is the new...
4.10 In this exercise, we examine how resource hazards, control hazards, and Instruction Set Arch...
4.10 In this exercise, we examine how resource hazards, control hazards, and Instruction Set Architecture (ISA) design can affect pipelined execution. Problems in this exercise refer to the following fragment of MIPS code: sw r16,12(r6) lw r16,8(r6) beq r5,r4,Label # Assume r5!=r4 add r5,r1,r4 slt r5,r15,r4 Assume that individual pipeline stages have the following latencies: (NOTE THESE ARE DIFFERENT VALUES THAN THE ONES IN OTHER SIMILAR QUESTIONS) IF ID EX MEM WB 250ps 100ps 175ps 150ps 200ps 4.10.4 [10] <§4.5>...
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...
Problem 3. (25 pts.) Compilers can have a profound impact on the performance of an application....
Problem 3. (25 pts.) Compilers can have a profound impact on the performance of an application. Assume that for a program, compiler A results in a dynamic instruction count of 1 billion instructions and has an execution time of 1.1 seconds, while compiler B results in a dynamic instruction count of 1.2 billion instructions and an execution time of 1.5 seconds. A) Find the average CPI for each program given that the processor has a clock cycle time of 1...
Computer Architecture 14. Fill in the blanks below with the most appropriate term or concept discussed...
Computer Architecture 14. Fill in the blanks below with the most appropriate term or concept discussed in this chapter: A. ---------------The time required for the first result in a series of computations to emerge from a pipeline. B. ---------------This is used to separate one stage of a pipeline from the next. C. ---------------Over time, this tells the mean number of operations completed by a pipeline per clock cycle. D. ---------------The clock cycles that are wasted by an instruction-pipelined processor due...
Computer Architecture The format of this document is as follows: First, I give a practice problem...
Computer Architecture
The format of this document is as follows: First, I give
a practice problem for which the solution is also provided. In bold
italic font, I slightly modify the problem for your
homework.
3) The 4-Stage Pipeline below suffers from the memory access
resource conflict as shown below (instruction i and i+2 want to
access memory at the same time and i+2 needs to be denied, so it
waits for the next cycle; in the next cycle it...
Given the following sequence of instructions: lw $s2, 0($s1) //1 lw $s1, 40($s3) //2 sub $s3,...
Given the following sequence of instructions: lw $s2, 0($s1) //1 lw $s1, 40($s3) //2 sub $s3, $s1, $s2 //3 add $s3, $s2, $s2 //4 or $s4, $s3, $zero //5 sw $s3, 50($s1) //6 a. List the read after write (current instruction is reading certain registers which haven’t been written back yet) data dependencies. As an example , 3 on 1 ($s2) shows instruction 3 has data dependency on instruction 1 since it is reading register $s2. b. Assume the 5...
In this exercise, we examine how data dependences affect execution in the basic 5-stage pipeline described in Section 4.5. Problems in this exercise refer to th following sequence of instructions: addi $2,$2,22 SW $3,20($2) OR $4,$2,$3 Also, assume the following cycle times for each of the options related to forwarding: Without Forwarding With Full Forwarding 300ps With ALU-ALU Forwarding Only 250ps 290ps 4.9.1 [10] <4.5> Indicate dependences and their type. 4.9.2 [10] <S4.5> Assume there is no forwarding in this...
please i need a good answer and a perfect answer.. i need unique
answer use your own words.
please i need a good answer and a perfect answer.. i need unique
answer use your own words.
please i need a good answer and a perfect answer.. i need unique
answer use your own words.
don't use handwriting
Q3:
a) Specify the two factors used to determine the capacity of
memory. Find out the memory capacity, if the number of bits...
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...
Problem 3. (25 pts.) Compilers can have a profound impact on the performance of an application. Assume that for a program, compiler A results in a dynamic instruction count of 1 billion instructions and has an execution time of 1.1 seconds, while compiler B results in a dynamic instruction count of 1.2 billion instructions and an execution time of 1.5 seconds. A) Find the average CPI for each program given that the processor has a clock cycle time of 1...
Computer Architecture
The format of this document is as follows: First, I give
a practice problem for which the solution is also provided. In bold
italic font, I slightly modify the problem for your
homework.
3) The 4-Stage Pipeline below suffers from the memory access
resource conflict as shown below (instruction i and i+2 want to
access memory at the same time and i+2 needs to be denied, so it
waits for the next cycle; in the next cycle it...
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