Recent questions tagged speedup

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1 answer

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MadeEasy Full Length Test 2019: CO & Architecture - Speedup

asked Jan 23, 2019 in CO and Architecture by jatin khachane 1 Loyal (7.5k points) | 95 views

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0 answers

2

Speedup

asked Jan 21, 2019 in CO and Architecture by bts1jimin (205 points) | 24 views

+1 vote

0 answers

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Speedup in coa
In a processor each instruction execution completes in 4 clock cycle with 2.5 gigahertz. The same processor is transformed into a pipelined processor with five stages operated with 2.0 gigahertz what is the speedup achieved.

asked Jan 19, 2019 in CO and Architecture by Nandkishor3939 Active (1.3k points) | 121 views

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4

MadeEasy Test Series: CO & Architecture - Speedup
A hypothetical processor on cache read miss require one clock to send an address to MM and eight clock cycle to access a 64 bit word from MM to processor cache.miss rate of read is decreased from 14.8% to 2.6% when line size of cache is ... bz , the complete line got transfer when request of one word is made in ans key it is 4*(1+8) mentioned

asked Jan 17, 2019 in CO and Architecture by Learner_jai Active (2.7k points) | 46 views

+1 vote

0 answers

5

MadeEasy Test Series: CO & Architecture - Cache Memory
A hypothetical processor on cache read miss requires one clock to send an address to Main Memory (MM) and eight clock cycles to access a 64-bit word from MM to processor cache. Miss rate of read is decreased from 14.8% to ... up of processor is achieved in dealing with average read miss after increasing the line size is (Upto 2 decimal places)

asked Jan 9, 2019 in CO and Architecture by Jay Bhutada 1 (187 points) | 134 views

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2 answers

6

Speed up factor
Pipeline system has 4 stages and each stage takes 10ns. 30% instructions are branch instructions .each branch instruction introduces delay of 3 cycle. What is speed up factor compare to same non pipelines, If there are 1000 instructions.

asked Jan 1, 2019 in CO and Architecture by Alina (9 points) | 213 views

0 votes

1 answer

7

ME test series
Consider a pipeline 'x', consist of 5 stages named as IF, ID, OF, EX and WB with the respective stage delays of 2 ns, 6 ns, 5 ns, 8 ns and 1 ns. The alternative pipeline 'y' contain the same number of stages but EX stage is divided into 2 sub stages ... of the instructions which are memory based instructions, what is the ratio of speedup of x to speedup of y? 0.727 0.902 0.665 0.825

asked Dec 25, 2018 in CO and Architecture by newdreamz a1-z0 Active (1.7k points) | 143 views

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Calculate speed up ratio of pipeline
Non pipelined system takes 130ns to process an instruction . A program of 1000 instructions is executed in non pipelined system. Then same program is processed with processor with 5 segment pipeline with clock cycle of 30 ns/stage. Determine speed up ratio of pipeline.

asked Dec 21, 2018 in CO and Architecture by Alina (9 points) | 1.1k views

0 votes

0 answers

9

Find speed up ratio
Non pipelined system takes 130 ns to process an instruction. A program of 1000 instructions is executed in non pipelined system. Then same program is processed with processor with 5 segment pipeline with clock cycle of 30 ns/stage. Determine speed up ratio of pipeline.

asked Dec 21, 2018 in CO and Architecture by Alina (9 points) | 95 views

0 votes

1 answer

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gatebook COA test
Consider a program being run on a processor. A modification in processor design caused 30% of the program to speed up by ten times while three fourth of the remaining program has a speed up of 80 and 40% of the remaining part of the program performs poorer ... by 50%. The remaining program has a speedup of 1. The overall speedup of the program exact to two decimal places is:-

asked Dec 18, 2018 in CO and Architecture by sushmita Boss (17.6k points) | 90 views

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11

speedup
An application program is executed on a nine-computer cluster. A benchmark program took time T on this cluster. Further, it was found that 25% of T was time in which the application was running simultaneously on all nine computers.The remaining time, the ... the percentage of code that has been parallelized (programmed or compiled so as to use the cluster mode) in the preceding program

asked Dec 11, 2018 in CO and Architecture by aambazinga Active (3.4k points) | 87 views

0 votes

1 answer

12

Speed up
Consider 3 enhancements EA, EB, and EC with speedup 30, 20, 15 respectively are applied to old system to make a new system. If enhancements EA and EB are usable for 25% of the time, then the fraction (in %) of the time must EC be used to achieve an overall speed-up of 10 is ________. (in integer form)

asked Nov 25, 2018 in CO and Architecture by Shivangi Parashar 2 (307 points) | 191 views

0 votes

3 answers

13

Ace Test Series: CO & Architecture - SpeedUp In Pipeline
Consider a nonpipelined processor design which has a cycle time of 10ns and average CPI of 1.4. The maximum speedup pipelined processor can get by pipelining it into 5 stages and each stage takes 2ns is

asked Nov 17, 2018 in CO and Architecture by Kartavya Kothari (117 points) | 340 views

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14

SpeedUP
https://gateoverflow.in/3437/gate2007-it-6-isro2011-25 Why are they not calculating average CPI in pipelined processor and then calculating speedup ???

asked Sep 2, 2018 in CO and Architecture by daksirp Active (1.6k points) | 33 views

0 votes

1 answer

15

Pipelining
To execute an instruction by a 32-bit machine the following steps are carried out: Fetch, Decode,Execution, Memory access and Store, each of which takes 1 clock period. In a pipelined execution of a 5-step task, a new instruction is read and ... the speedup ratio of pipe line processing system over an equivalent non pipeline processing system is ________. Ans. 4.8 Please Explain Briefly

asked Jul 21, 2018 in CO and Architecture by Na462 Loyal (7k points) | 204 views

0 votes

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WBUT 2012
A 30% enhancement in speedup for a component of the processor has been proposed for a new architecture.If the enhancement is usable only for 50% for the time,what is the fraction of the time must enhancement is used to achieve an overall speedup of 10?

asked May 31, 2018 in CO and Architecture by Sourav_35 (171 points) | 68 views

+2 votes

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17

Computer organization speed up
Consider a hypothetical system,which is used in application where program refers integers units and floats units.Floating units are enhanced so that they run 2 times faster,but only 90% instructions are floating point type.What isn the over all performance gain?

asked Jan 25, 2018 in CO and Architecture by rahul sharma 5 Boss (25.6k points) | 118 views

+3 votes

0 answers

18

pipelining
is it 1.92 or 1.94 i want conformation...

asked Jan 15, 2018 in CO and Architecture by pranab ray Junior (785 points) | 118 views

+3 votes

0 answers

19

Speedup In pipelining
Actually, In this problem what will, we consider getting the answer(upper bound or lower bound) and why?

asked Jan 13, 2018 in CO and Architecture by thepeeyoosh Active (2k points) | 209 views

+1 vote

1 answer

20

MadeEasy Test Series: CO & Architecture - Speedup

asked Jan 1, 2018 in CO and Architecture by Kalpataru Bose (413 points) | 147 views

+2 votes

1 answer

21

Pipelining

asked Nov 29, 2017 in CO and Architecture by Parshu gate Active (3.1k points) | 163 views

0 votes

2 answers

22

Definition of Ideal Pipeline
What is the definition of an ideal pipeline? On searching over the internet I found only speed up formulas but no where the difference between ideal and non-ideal was mentioned.

asked Nov 26, 2017 in CO and Architecture by Sourajit25 Active (1.7k points) | 307 views

+2 votes

0 answers

23

Pipelining
A 5 stage pipeline system is in operation with clock cycle of n ns. If the clock per instruction CPI for non-pipelined system is 5,and Instruction per clock for pipeline is 5,and pipeline efficiency is 70% what is the speed up factor? Please explain the Soultion and concept briefly i am little bit confused.

asked Nov 1, 2017 in CO and Architecture by Na462 Loyal (7k points) | 282 views

+6 votes

1 answer

24

Pipelining Speedup
Consider a non-pipelined processor design which has a cycle time of 15ns and average CPI of 1.6. The maximum speedup pipelined processor can get by pipelining it into 5 stages and each stage takes 3ns is______________? 5 6 10 7

asked Oct 13, 2017 in CO and Architecture by akb1115 Active (3.3k points) | 855 views

0 votes

1 answer

25

SPEEDUP CPI
. A program running on a non-pipelined processor executes 15% load instructions (5 cycles), 20% store instructions (4 cycles), 15% branch instructions (3 cycles) and 50% ALU instructions (4 cycles). What is the CPI? Now we execute this program on a ... write) in one cycle, ignoring data and control hazards (only consider structural hazards). What is the speedup over the previous one?

asked Sep 29, 2017 in CO and Architecture by Howard.xu0527 (21 points) | 251 views

+1 vote

0 answers

26

to solve speedup
The only instruction in the 5-stage pipelined MIPS that needs all 5 stages is Load. It has been suggested to design a 4-stage pipeline where the 4th stage will allow either a memory (read or write) operation, or a Register File write. The Load instruction ... that the two pipelines will have the same cycle time, what is the speedup of the 5-stage pipeline over the 4-stage one?

asked Sep 29, 2017 in CO and Architecture by Howard.xu0527 (21 points) | 163 views

+3 votes

1 answer

27

Self Doubt In CO
Consider an instruction which has a speed up factor 12 while operating with a 70% efficiency. What could be the number of stages in the pipeline? What will be its answer 17 or 18? And why?

asked Jul 20, 2017 in CO and Architecture by Shubhanshu Boss (18.3k points) | 124 views

0 votes

0 answers

28

[COA[ Hamacher Problem 5.11 Find Speed up ratio
A computer system contains a main memory of 32K 16-bit words. It also has a 4Kword cache divided into four-line sets with 64 words per line. Assume that the cache is initially empty. The processor fetches words from locations ... MRU policy for block replacement. The same question with LRU has been answered:- https://gateoverflow.in/11240/cache-memory

asked May 30, 2017 in CO and Architecture by rahul sharma 5 Boss (25.6k points) | 216 views

+8 votes

3 answers

29

Gatebook mock

asked Feb 8, 2017 in CO and Architecture by Rahul Jain25 Boss (11.1k points) | 491 views

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