'Bin packing' diaporamas de présentation

Physical Design for Reconfigurable Computing Systems using Firm Templates

Physical Design for Reconfigurable Computing Systems using Firm Templates. Department of Electrical & Computer Engineering Northwestern University. K. Bazargan R. Kastner M. Sarrafzadeh. Outline. Outline. FPGA: What and why? What is Reconfigurable Computing System (RCS)?

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K NAPSACK

K NAPSACK. Given positive integers v i and w i for i = 1, 2, ..., n. and positive integers K and W. Does there exist a subset S of {1, 2, ..., n} such that:. and. A special case: S UBSET S UM. Given positive integers v i for i = 1, 2, ..., n. and an integer K.

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FPGA Technology Mapping Algorithms

FPGA Technology Mapping Algorithms. Chortle. Chortle Algorithm. Chortle [Francis90]: Developed by Francis et al, University of Toronto in 1990 Optimal i.t.o. area Inputs: Fanout-free tree of combinational network n-input LUTs Procedure: Dynamic programming:

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Slides by Irina Volinsky Evgeny Shulgin Lev Solar

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Combinatorial Optimization for Text Layout

Combinatorial Optimization for Text Layout. Richard Anderson University of Washington. Microsoft Research, Beijing, September 6, 2000 http://www.cs.washington.edu/homes/anderson/msrcn.ppt. Biography. Background Education PhD Stanford (1985), Post Doc MSRI, Berkeley Experience

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Job Scheduling and Chronobot

Job Scheduling and Chronobot. Outline. What are Chronobots? Job Scheduling Problems Examples Reductions * Hill Climbing * Bin Packing Efficiency Term Project. What are Chronobots?. The chronobot is a device for storing and borrowing time in addition to knowledge.

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Amir Epstein Joint work with David Breitgand

Improving Consolidation of Virtual Machines with Risk-aware Bandwidth Oversubscription in Compute Clouds. Amir Epstein Joint work with David Breitgand. Motivation. Network Bandwidth is a critical Data Center resource

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Windows Scheduling as a Restricted Version of Bin-packing.

Windows Scheduling as a Restricted Version of Bin-packing. Amotz Bar-Noy Brooklyn College Richard Ladner Tami Tamir University of Washington. Example: Input:. A packing in 3 bins:. 0.7. 0.45. 0.45. 0.25. 0.3. 0.2. 0.7. 0.45. 0.45. 0.3. 0.25. 0.2. 0.3. 0.3. 0.2. 0.2.

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Bin Packing

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Approximation Algorithms

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Non-Approximability Results

Non-Approximability Results. Summary. Gap technique Examples: MINIMUM GRAPH COLORING, MINIMUM TSP, MINIMUM BIN PACKING The PCP theorem Application: Non-approximability of MAXIMUM 3-SAT. The Gap Technique. P 1 : NPO minimization problem (same for maximization) P 2 : NP-hard decision problem

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Greedy Algorithms Neil Tang 4/8/2010

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Windows Scheduling as a Restricted Version of Bin-packing.

Windows Scheduling as a Restricted Version of Bin-packing. Amotz Bar-Noy Brooklyn College Richard Ladner Tami Tamir University of Washington. Example: Input:. A packing in 3 bins:. 0.7. 0.45. 0.45. 0.25. 0.3. 0.2. 0.7. 0.45. 0.45. 0.3. 0.25. 0.2. 0.3. 0.3. 0.2. 0.2.

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Exam 2 Review

Exam 2 Review. Machine Scheduling Problem Critical Paths & ECT PLs & List Processing Algorithm Optimal Schedules & OCT DTA & CTA & Independent Tasks Bin Packing, Conflict Scheduling Mixture & Transportation Problems. Machine Scheduling Problem.

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Weekly Research Activity

Weekly Research Activity 2004-06-25 Chul Lee Agenda Session migration L7-based contents distribution: Bin-packing problem CORE-Web Server Administration GUI Evaluation plan SANfs L7 dispatcher Overall system Problem description In case of arbitrary long sessions,

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Complexity Issues

Mark Allen Weiss: Data Structures and Algorithm Analysis in Java. Complexity Issues. Lydia Sinapova, Simpson College. Complexity Issues. Class P problems Class NP problems NP-complete problems Non-NP problems Decidability. Class P Problems. Polynomial run time in the worst-case

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Recap from last time -I

Recap from last time -I. Given a system of periodic tasks : ? = {? 1 , ? 2 ,... ? n }; ? i = (T i , C i ) Schedule using static priorities (of the first kind ) Two approaches: partitioning Dhall (1977), Dhall & Liu (1979): min #-procs for given ?

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Bin Packing First fit decreasing algorithm

Bin Packing First fit decreasing algorithm. A B C D E F. With the first fit decreasing algorithm we sort the blocks into descending order first. 6. 5. 4. 3. 3. 3. 2. 2. 1. Bin Packing First fit decreasing algorithm.

528 views • 11 slides

Bin Packing First fit decreasing algorithm

Bin Packing First fit decreasing algorithm. A B C D E F. With the first fit decreasing algorithm we sort the blocks into descending order first. 6. 5. 4. 3. 3. 3. 2. 2. 1. Bin Packing First fit decreasing algorithm.

809 views • 11 slides

Bin Packing First fit algorithm

Bin Packing First fit algorithm. A B C D E F. Each block will be fitted into the first bin that has room for it. 6. 5. 4. 3. 3. 3. 2. 2. 1. Bin Packing First fit algorithm. 4. A B C D E F.

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