Fair Scheduling in High Performance Computing Environments by Art Sedighi & Milton Smith

Author:Art Sedighi & Milton Smith
Language: eng
Format: epub
ISBN: 9783030145682
Publisher: Springer International Publishing

7.1 dSim Architecture and Simulation Model

Although dSim is based on Alea’s framework (Klusacek 11/17/2014), it overcomes a number Alea’s of limitations. For one, Alea reads job information from input files, which are time-consuming to generate. dSim includes a job-creation plug-in that automates this process, enabling the programmatic configuration of number of users, number of jobs, job frequency, size of payload, and basic information like user name, time of task submission, and task duration. StrategyMultiUserGeneric was the class created to simulate loads, and it has the following basic control functions:

//implementation omitted

//some of the auxiliary functions omitted

class StrategyMultiUserGeneric {

public void setNumberOfSubmitters(int count);

public String getNextUserID() throws Exception;

public int getNextJobID();

public void setWavelength(String lambda);

public void setAmplitude(String load);

public void setPhase(String phase);

public void setTaskCount(String count);

public void incrementProgramCounter();

}

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