Fiduccia-Mattheyses Algorithm Perform FM algorithm on the following - - PowerPoint PPT Presentation

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Fiduccia-Mattheyses Algorithm Perform FM algorithm on the following - - PowerPoint PPT Presentation

Fiduccia-Mattheyses Algorithm Perform FM algorithm on the following circuit: Area constraint = [3,5] Break ties in alphabetical order. Practical Problems in VLSI Physical Design FM Partitioning (1/12) Initial Partitioning Random


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SLIDE 1

Practical Problems in VLSI Physical Design FM Partitioning (1/12)

Perform FM algorithm on the following circuit:

Area constraint = [3,5] Break ties in alphabetical order.

Fiduccia-Mattheyses Algorithm

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SLIDE 2

Practical Problems in VLSI Physical Design FM Partitioning (2/12)

Initial Partitioning

Random initial partitioning is given.

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SLIDE 3

Practical Problems in VLSI Physical Design FM Partitioning (3/12)

Gain Computation and Bucket Set Up

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SLIDE 4

Practical Problems in VLSI Physical Design FM Partitioning (4/12)

First Move

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SLIDE 5

Practical Problems in VLSI Physical Design FM Partitioning (5/12)

Second Move

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SLIDE 6

Practical Problems in VLSI Physical Design FM Partitioning (6/12)

Third Move

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SLIDE 7

Practical Problems in VLSI Physical Design FM Partitioning (7/12)

Forth Move

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SLIDE 8

Practical Problems in VLSI Physical Design FM Partitioning (8/12)

Fifth Move

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SLIDE 9

Practical Problems in VLSI Physical Design FM Partitioning (9/12)

Sixth Move

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SLIDE 10

Practical Problems in VLSI Physical Design FM Partitioning (10/12)

Seventh Move

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SLIDE 11

Practical Problems in VLSI Physical Design FM Partitioning (11/12)

Last Move

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SLIDE 12

Practical Problems in VLSI Physical Design FM Partitioning (12/12)

Summary

Found three best solutions.

Cutsize reduced from 6 to 3. Solutions after move 2 and 4 are better balanced.