Skip to main content

All Questions

Filter by
Sorted by
Tagged with
2 votes
1 answer
3k views

MIPS clock cycle calculation formula

How many clock cycles will take execution of this segment on the simple pipeline without forwarding or bypassing when result of the branch instruction (new PC content) is available after WB stage. ...
Unknown's user avatar
  • 21
0 votes
0 answers
34 views

Does stage Sy of instruction have to wait till all earlier instructions has executed their corresponding stage

I am trying to understand execution of instruction in RISC pipeline. Can stage Sy of instruction I2 execute before stage Sy of I1? That is, in below example, will it be allowed to run I2's ID in C3 as ...
RajS's user avatar
  • 227
2 votes
1 answer
2k views

The accurate time latency for 'lw' instruction in a single-cycle datapath

I want to calculate the cycle time of a single-cycle datapath. Then from the course, I know the time should be the execution time of the longest instruction, which is 'lw' in MIPS. So I try to ...
Will's user avatar
  • 21
1 vote
1 answer
3k views

Understanding branch delay slot and branch prediction prefetch in instruction pipelining

Let me define: Branch delay slot: Typically assemblers reorder instructions to move some instructions immediately after branch instruction, such that the moved instruction will always be executed, ...
RajS's user avatar
  • 227
1 vote
0 answers
53 views

Finding percentage memory utilization in pipelining architecture

I was solving problems from the exercise of the book "Computer Organization and Design" by Patterson. The problem reads like this: Consider stage latencies: ...
RajS's user avatar
  • 227
3 votes
2 answers
5k views

How many stall cycles resulted by incorrectly predicted branch in instruction pipelining

I have been solving following exercise problem from book Computer Organization by Patterson and Hennessy: The importance of having a good branch predictor depends on how often conditional branches ...
RajS's user avatar
  • 227
-1 votes
1 answer
398 views

Finding percentage accuracy of instruction pipeline branch predictor

I need help in understanding the solution from solution manual. The question is from the exercise 4.24.4 and 4.24.5 of chapter 4 in the book Computer Organization and Design by Patterson and Hannessey ...
Mahesha999's user avatar
1 vote
1 answer
754 views

Understanding execution of sequence of pipeline instructions

I need help in understanding the solution from solution manual. The question is from the exercise 4.22.2 of chapter 4 in the book Computer Organization and Design by Patterson and Hannessey (4th ...
Mahesha999's user avatar
0 votes
1 answer
349 views

Understanding instruction branching

I need help in understanding the solution from solution manual. The question is from the exercise 4.22.1 of chapter 4 in the book Computer Organization and Design by Patterson and Hannessey (4th ...
Mahesha999's user avatar
0 votes
0 answers
746 views

Understanding instruction pipelining speedup calculation

I was solving the exercise problem 4.17.6 of chapter 4 in the book Computer Organization and Design by Patterson and Hannessey (4th edition): Percentage occurrences of the instructions are as ...
Mahesha999's user avatar
1 vote
1 answer
1k views

Understanding processor instruction pipeline problem solution

I need help in understanding the solution from solution manual. The question is from the exercise 4.13.5 of chapter 4 in the book Computer Organization and Design by Patterson and Hannessey (4th ...
Mahesha999's user avatar