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[Gridsim-commits] SF.net SVN: gridsim: [65] branches/gridsim4.0-branch3/source/gridsim/ ResourceCharacteristics.java
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From: <mar...@us...> - 2007-10-04 06:04:39
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Revision: 65
http://gridsim.svn.sourceforge.net/gridsim/?rev=65&view=rev
Author: marcos_dias
Date: 2007-10-03 23:04:43 -0700 (Wed, 03 Oct 2007)
Log Message:
-----------
This version contains many changes and bug fixes:
+ Some classes have been moved to gridsim.turbo package.
+ The ParallelSpaceShared policy has been changed substantially and some bugs have been fixed. For example, the policy was not compressing the schedule properly when cancelling a gridlet. This could also lead to finding the wrong anchor for a job when the completion of a job matched the completion of another job and there was a big job starting at this completion time.
+ Some advance reservation features have been provided, but they are still being tested.
+ Improvements in the graphical user interface have been made.
+ Some changes in SimJava classes have been made to remove the animation and log capabilities that are not used by GridSim.
Removed Paths:
-------------
branches/gridsim4.0-branch3/source/gridsim/ResourceCharacteristics.java
Deleted: branches/gridsim4.0-branch3/source/gridsim/ResourceCharacteristics.java
===================================================================
--- branches/gridsim4.0-branch3/source/gridsim/ResourceCharacteristics.java 2007-10-04 06:03:39 UTC (rev 64)
+++ branches/gridsim4.0-branch3/source/gridsim/ResourceCharacteristics.java 2007-10-04 06:04:43 UTC (rev 65)
@@ -1,413 +0,0 @@
-/*
- * Title: GridSim Toolkit
- * Description: GridSim (Grid Simulation) Toolkit for Modeling and Simulation
- * of Parallel and Distributed Systems such as Clusters and Grids
- * Licence: GPL - http://www.gnu.org/copyleft/gpl.html
- *
- * $Id: ResourceCharacteristics.java,v 1.1 2007/04/05 04:21:33 marcosd Exp $
- */
-
-package gridsim;
-
-import java.util.Iterator;
-import java.util.LinkedList;
-
-/**
- * GridSim ResourceCharacteristics class represents static properties of a
- * resource such as resource architecture, Operating System (OS), management
- * policy (time- or space-shared), cost and time zone at which the resource
- * is located along resource configuration.
- *
- * @author Manzur Murshed and Rajkumar Buyya
- * @since GridSim Toolkit 1.0
- * @invariant $none
- */
-public class ResourceCharacteristics
-{
- private int id_; // resource id--setup when Resource is created
- private String architecture_;
- private String OS_;
- private MachineList machineList_;
- private double timeZone_; // difference from GMT
-
- // Price/CPU-unit if unit = sec., then G$/CPU-sec.
- private double costPerSec_;
-
- // Resource Types -- allocation policy
- private int allocationPolicy_;
-
- /** Time-shared system using Round-Robin algorithm */
- public static final int TIME_SHARED = 0;
-
- /** Spaced-shared system using First Come First Serve (FCFS) algorithm */
- public static final int SPACE_SHARED = 1;
-
- /** Assuming all PEs in all Machines have the same rating. */
- public static final int OTHER_POLICY_SAME_RATING = 2;
-
- /** Assuming all PEs in a Machine have the same rating.
- * However, each Machine has different rating to each other.
- */
- public static final int OTHER_POLICY_DIFFERENT_RATING = 3;
-
- /** A resource that supports Advanced Reservation mechanisms. */
- public static final int ADVANCE_RESERVATION = 4;
-
- /** Parallel spaced-shared system using First Come First Serve (FCFS)
- * algorithm and conservative backfilling */
- public static final int PARALLEL_SPACE_SHARED = 5;
-
- /**
- * Allocates a new ResourceCharacteristics object.
- * If the time zone is invalid, then by default, it will be GMT+0.
- * @param architecture the architecture of a resource
- * @param OS the operating system used
- * @param machineList list of machines in a resource
- * @param allocationPolicy the resource allocation policy
- * @param timeZone local time zone where the resource is.
- * Time zone should be of range [GMT-12 ... GMT+13]
- * @param costPerSec the cost per sec to use this resource
- * @pre architecture != null
- * @pre OS != null
- * @pre machineList != null
- * @pre allocationPolicy >= 0 && allocationPolicy <= 3
- * @pre timeZone >= -12 && timeZone <= 13
- * @pre costPerSec >= 0.0
- * @post $none
- */
- public ResourceCharacteristics(String architecture, String OS,
- MachineList machineList, int allocationPolicy,
- double timeZone, double costPerSec)
- {
- this.id_ = -1;
- this.architecture_ = architecture;
- this.OS_ = OS;
- this.machineList_ = machineList;
- this.allocationPolicy_ = allocationPolicy;
- this.costPerSec_ = costPerSec;
-
- if (AdvanceReservation.validateTimeZone(timeZone) == false) {
- this.timeZone_ = 0.0;
- }
- else {
- this.timeZone_ = timeZone;
- }
- }
-
- /**
- * Sets the resource ID
- * @param id the resource ID
- * @pre id >= 0
- * @post $none
- */
- public void setResourceID(int id) {
- this.id_ = id;
- }
-
- /**
- * Gets the resource ID
- * @return the resource ID
- * @pre $none
- * @post $result >= 0
- */
- public int getResourceID() {
- return id_;
- }
-
- /**
- * Gets the name of a resource
- * @return the resource name
- * @pre $none
- * @post $result != null
- */
- public String getResourceName() {
- return GridSim.getEntityName(id_);
- }
-
- /**
- * Gets the resource architecture name
- * @return the architecture name
- * @pre $none
- * @post $result != null
- */
- public String getResourceArch() {
- return architecture_;
- }
-
- /**
- * Gets the Operating System (OS) this resource is used
- * @return the name of OS
- * @pre $none
- * @post $result != null
- */
- public String getResourceOS() {
- return OS_;
- }
-
- /**
- * Gets the list of machines in a resouce
- * @return a MachineList object
- * @see gridsim.MachineList
- * @pre $none
- * @post $result != null
- */
- public MachineList getMachineList() {
- return machineList_;
- }
-
- /**
- * Gets a Machine with at least one empty PE
- * @return a Machine object or <tt>null</tt> if not found
- * @pre $none
- * @post $none
- */
- public Machine getMachineWithFreePE() {
- return machineList_.getMachineWithFreePE();
- }
-
- /**
- * Returns a list of machines with free PEs.
- * @return the list of machines with free PEs.
- */
- public LinkedList<Machine> getListMachineWithFreePE() {
- return machineList_.getListMachineWithFreePE();
- }
-
- /**
- * Gets a Machine with at least a given number of free PE
- * @param numPE number of PE
- * @return a Machine object or <tt>null</tt> if not found
- * @pre $none
- * @post $none
- */
- public Machine getMachineWithFreePE(int numPE) {
- return machineList_.getMachineWithFreePE(numPE);
- }
-
- /**
- * Gets the resource allocation policy
- * @return the allocation policy
- * @pre $none
- * @post $result >= 0 && $result <= 2
- */
- public int getResourceAllocationPolicy() {
- return allocationPolicy_;
- }
-
- /**
- * Gets the resource time zone
- * @return the time zone
- * @pre $none
- * @post $none
- */
- public double getResourceTimeZone() {
- return timeZone_;
- }
-
- /**
- * Gets Millions Instructions Per Second (MIPS) Rating of a Processing
- * Element (PE). It is assumed all PEs' rating is same in a given machine.
- * @return the MIPS Rating or <tt>-1</tt> if no PEs are exists.
- * @pre $none
- * @post $result >= -1
- */
- public int getMIPSRatingOfOnePE()
- {
- if (machineList_.size() == 0) {
- return -1;
- }
-
- return machineList_.getMachine(0).getMIPSRating(0);
- }
-
- /**
- * Gets Millions Instructions Per Second (MIPS) Rating of a Processing
- * Element (PE).
- * It is essential to use this method when a resource is made up
- * of heterogenous PEs/machines.
- * @param id the machine ID
- * @param peID the PE ID
- * @return the MIPS Rating or <tt>-1</tt> if no PEs are exists.
- * @pre id >= 0
- * @pre peID >= 0
- * @post $result >= -1
- */
- public int getMIPSRatingOfOnePE(int id, int peID)
- {
- if (machineList_.size() == 0) {
- return -1;
- }
-
- return machineList_.getMachine(id).getMIPSRating(peID);
- }
-
- /**
- * Gets the total MIPS rating, which is the sum of MIPS rating of all
- * machines in a resource.
- * <p>
- * Total MIPS rating for:
- * <ul>
- * <li>TimeShared = 1 Rating of a PE * Total number of PEs
- * <li>Other policy same rating = same as TimeShared
- * <li>SpaceShared = Sum of all PEs in all Machines
- * <li>Other policy different rating = same as SpaceShared
- * <li>Advance Reservation = 0 or unknown.
- * You need to calculate this manually.
- * </ul>
- *
- * @return the sum of MIPS ratings
- * @pre $none
- * @post $result >= 0
- */
- public int getMIPSRating()
- {
- int rating = 0;
- switch (allocationPolicy_)
- {
- // Assuming all PEs in all Machine have same rating.
- case ResourceCharacteristics.TIME_SHARED:
- case ResourceCharacteristics.OTHER_POLICY_SAME_RATING:
- rating = getMIPSRatingOfOnePE() * machineList_.getNumPE();
- break;
-
- // Assuming all PEs in a given Machine have the same rating.
- // But different machines in a Cluster can have different rating
- case ResourceCharacteristics.SPACE_SHARED:
- case ResourceCharacteristics.OTHER_POLICY_DIFFERENT_RATING:
- Iterator it = machineList_.iterator();
- while(it.hasNext()){
- rating += ((Machine) it.next()).getMIPSRating();
- }
- break;
-
- default:
- break;
- }
-
- return rating;
- }
-
- /**
- * Gets the CPU time given the specified parameters (only for TIME_SHARED).
- * <tt>NOTE:</tt> The CPU time for SPACE_SHARED and ADVANCE_RESERVATION
- * are not yet implemented.
- * @param gridletLength the length of a Gridlet
- * @param load the load of a Gridlet
- * @return the CPU time
- * @pre gridletLength >= 0.0
- * @pre load >= 0.0
- * @post $result >= 0.0
- */
- public double getCPUTime(double gridletLength, double load)
- {
- double cpuTime = 0.0;
-
- switch (allocationPolicy_)
- {
- case ResourceCharacteristics.TIME_SHARED:
- cpuTime = gridletLength / ( getMIPSRatingOfOnePE()*(1.0-load) );
- break;
-
- default:
- break;
- }
-
- return cpuTime;
- }
-
- /**
- * Gets the total number of PEs for all Machines
- * @return number of PEs
- * @pre $none
- * @post $result >= 0
- */
- public int getNumPE() {
- return machineList_.getNumPE();
- }
-
- /**
- * Gets the total number of <tt>FREE</tt> or non-busy PEs for all Machines
- * @return number of PEs
- * @pre $none
- * @post $result >= 0
- */
- public int getNumFreePE() {
- return machineList_.getNumFreePE();
- }
-
- /**
- * Gets the total number of <tt>BUSY</tt> PEs for all Machines
- * @return number of PEs
- * @pre $none
- * @post $result >= 0
- */
- public int getNumBusyPE() {
- return machineList_.getNumBusyPE();
- }
-
- /**
- * Sets the particular PE status on a Machine
- * @param status PE status, either <tt>PE.FREE</tt> or <tt>PE.BUSY</tt>
- * @param machineID Machine ID
- * @param peID PE id
- * @return <tt>true</tt> if the PE status has changed, <tt>false</tt>
- * otherwise (Machine id or PE id might not be exist)
- * @pre machineID >= 0
- * @pre peID >= 0
- * @post $none
- */
- public boolean setStatusPE(boolean status, int machineID, int peID) {
- return machineList_.setStatusPE(status, machineID, peID);
- }
-
- /**
- * Sets the cost per second associated with a resource
- * @param costPerSec the cost using a resource
- * @pre costPerSec >= 0.0
- * @post $none
- */
- public void setCostPerSec(double costPerSec) {
- this.costPerSec_ = costPerSec;
- }
-
- /**
- * Gets the cost per second associated with a resource
- * @return the cost using a resource
- * @pre $none
- * @post $result >= 0.0
- */
- public double getCostPerSec() {
- return costPerSec_;
- }
-
- /**
- * Gets the cost per Millions Instruction (MI) associated with a resource
- * @return the cost using a resource
- * @pre $none
- * @post $result >= 0.0
- */
- public double getCostPerMI() {
- return costPerSec_ / getMIPSRatingOfOnePE();
- }
-
- /**
- * Gets the byte size of this class
- * @return the byte size
- * @pre $none
- * @post $result > 0
- */
- public int getByteSize()
- {
- // this class overall has: 2 ints, 2 Strings, 1 MachineList and
- // 2 doubles.
- // NOTE: static attributes do not count
- int totalInt = 2 * 4;
- int totalDouble = 2 * 8;
- int totalSize = architecture_.length() + OS_.length() +
- machineList_.getByteSize() + totalInt + totalDouble ;
-
- return totalSize;
- }
-
-} // end class
-
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