Add GridVgpuSchedulerSpaceShared class

Refactor grid package

modules/cloudsim-examples/src/main/java/org/cloudbus/cloudsim/examples/gpu/CloudSimGpuExample1.java

@@ -27,22 +27,23 @@ import org.cloudbus.cloudsim.gpu.GpuHostTags;
 import org.cloudbus.cloudsim.gpu.GpuTask;
 import org.cloudbus.cloudsim.gpu.GpuTaskSchedulerLeftover;
 import org.cloudbus.cloudsim.gpu.GpuVm;
+import org.cloudbus.cloudsim.gpu.GpuVmAllocationPolicySimple;
 import org.cloudbus.cloudsim.gpu.Pgpu;
 import org.cloudbus.cloudsim.gpu.Vgpu;
 import org.cloudbus.cloudsim.gpu.VgpuScheduler;
 import org.cloudbus.cloudsim.gpu.VideoCard;
 import org.cloudbus.cloudsim.gpu.allocation.VideoCardAllocationPolicy;
-import org.cloudbus.cloudsim.gpu.allocation.VideoCardAllocationPolicyNull;
-import org.cloudbus.cloudsim.gpu.hardware_assisted.grid.GridGpuVmAllocationPolicyDepthFirst;
-import org.cloudbus.cloudsim.gpu.hardware_assisted.grid.GridVgpuSchedulerFairShare;
+import org.cloudbus.cloudsim.gpu.allocation.VideoCardAllocationPolicyDepthFirst;
+import org.cloudbus.cloudsim.gpu.hardware_assisted.grid.GridVgpuSchedulerFairShareEx;
 import org.cloudbus.cloudsim.gpu.hardware_assisted.grid.GridVgpuTags;
 import org.cloudbus.cloudsim.gpu.hardware_assisted.grid.GridVideoCardTags;
+import org.cloudbus.cloudsim.gpu.performance.models.PerformanceModelGpuNull;
 import org.cloudbus.cloudsim.gpu.provisioners.GpuBwProvisionerShared;
 import org.cloudbus.cloudsim.gpu.provisioners.GpuGddramProvisionerSimple;
 import org.cloudbus.cloudsim.gpu.provisioners.VideoCardBwProvisioner;
 import org.cloudbus.cloudsim.gpu.provisioners.VideoCardBwProvisionerShared;
 import org.cloudbus.cloudsim.gpu.selection.PgpuSelectionPolicy;
-import org.cloudbus.cloudsim.gpu.selection.PgpuSelectionPolicyNull;
+import org.cloudbus.cloudsim.gpu.selection.PgpuSelectionPolicyDepthFirst;
 import org.cloudbus.cloudsim.lists.VmList;
 import org.cloudbus.cloudsim.provisioners.BwProvisionerSimple;
 import org.cloudbus.cloudsim.provisioners.PeProvisionerSimple;
@@ -255,10 +256,10 @@ public class CloudSimGpuExample1 {
 						new GpuGddramProvisionerSimple(gddram), new GpuBwProvisionerShared(bw)));
 			}
 			// Pgpu selection policy
-			PgpuSelectionPolicy pgpuSelectionPolicy = new PgpuSelectionPolicyNull();
+			PgpuSelectionPolicy pgpuSelectionPolicy = new PgpuSelectionPolicyDepthFirst();
 			// Vgpu Scheduler
-			VgpuScheduler vgpuScheduler = new GridVgpuSchedulerFairShare(GridVideoCardTags.NVIDIA_K1_CARD, pgpus,
-					pgpuSelectionPolicy);
+			VgpuScheduler vgpuScheduler = new GridVgpuSchedulerFairShareEx(GridVideoCardTags.NVIDIA_K1_CARD, pgpus,
+					pgpuSelectionPolicy, new PerformanceModelGpuNull(), GridVideoCardTags.K1_VGPUS);
 			// PCI Express Bus Bw Provisioner
 			VideoCardBwProvisioner videoCardBwProvisioner = new VideoCardBwProvisionerShared(BusTags.PCI_E_3_X16_BW);
 			// Create a video card
@@ -291,7 +292,7 @@ public class CloudSimGpuExample1 {
 		// Set VM Scheduler
 		VmScheduler vmScheduler = new VmSchedulerTimeShared(peList);
 		// Video Card Selection Policy
-		VideoCardAllocationPolicy videoCardAllocationPolicy = new VideoCardAllocationPolicyNull(videoCards);
+		VideoCardAllocationPolicy videoCardAllocationPolicy = new VideoCardAllocationPolicyDepthFirst(videoCards);
 		GpuHost newHost = new GpuHost(hostId, GpuHostTags.DUAL_INTEL_XEON_E5_2620_V3, new RamProvisionerSimple(ram),
 				new BwProvisionerSimple(bw), storage, peList, vmScheduler, videoCardAllocationPolicy);
 		hostList.add(newHost);
@@ -325,7 +326,7 @@ public class CloudSimGpuExample1 {
 		// We need to create a Datacenter object.
 		GpuDatacenter datacenter = null;
 		try {
-			datacenter = new GpuDatacenter(name, characteristics, new GridGpuVmAllocationPolicyDepthFirst(hostList),
+			datacenter = new GpuDatacenter(name, characteristics, new GpuVmAllocationPolicySimple(hostList),
 					storageList, schedulingInterval);
 		} catch (Exception e) {
 			e.printStackTrace();

modules/cloudsim-examples/src/main/java/org/cloudbus/cloudsim/examples/gpu/CloudSimGpuExample2.java

@@ -27,26 +27,27 @@ import org.cloudbus.cloudsim.gpu.GpuHostTags;
 import org.cloudbus.cloudsim.gpu.GpuTask;
 import org.cloudbus.cloudsim.gpu.GpuTaskSchedulerLeftover;
 import org.cloudbus.cloudsim.gpu.GpuVm;
+import org.cloudbus.cloudsim.gpu.GpuVmAllocationPolicySimple;
 import org.cloudbus.cloudsim.gpu.Pgpu;
 import org.cloudbus.cloudsim.gpu.ResGpuTask;
 import org.cloudbus.cloudsim.gpu.Vgpu;
 import org.cloudbus.cloudsim.gpu.VgpuScheduler;
 import org.cloudbus.cloudsim.gpu.VideoCard;
 import org.cloudbus.cloudsim.gpu.allocation.VideoCardAllocationPolicy;
-import org.cloudbus.cloudsim.gpu.allocation.VideoCardAllocationPolicyNull;
-import org.cloudbus.cloudsim.gpu.hardware_assisted.grid.GridGpuVmAllocationPolicyBreadthFirst;
-import org.cloudbus.cloudsim.gpu.hardware_assisted.grid.GridVgpuSchedulerFairShare;
+import org.cloudbus.cloudsim.gpu.allocation.VideoCardAllocationPolicyBreadthFirst;
+import org.cloudbus.cloudsim.gpu.hardware_assisted.grid.GridVgpuSchedulerFairShareEx;
 import org.cloudbus.cloudsim.gpu.hardware_assisted.grid.GridVgpuTags;
 import org.cloudbus.cloudsim.gpu.hardware_assisted.grid.GridVideoCardTags;
 import org.cloudbus.cloudsim.gpu.interference.InterferenceGpuTaskSchedulerLeftover;
 import org.cloudbus.cloudsim.gpu.interference.models.InterferenceModel;
 import org.cloudbus.cloudsim.gpu.interference.models.InterferenceModelGpuMemory;
+import org.cloudbus.cloudsim.gpu.performance.models.PerformanceModelGpuNull;
 import org.cloudbus.cloudsim.gpu.provisioners.GpuBwProvisionerShared;
 import org.cloudbus.cloudsim.gpu.provisioners.GpuGddramProvisionerSimple;
 import org.cloudbus.cloudsim.gpu.provisioners.VideoCardBwProvisioner;
 import org.cloudbus.cloudsim.gpu.provisioners.VideoCardBwProvisionerShared;
 import org.cloudbus.cloudsim.gpu.selection.PgpuSelectionPolicy;
-import org.cloudbus.cloudsim.gpu.selection.PgpuSelectionPolicyNull;
+import org.cloudbus.cloudsim.gpu.selection.PgpuSelectionPolicyBreadthFirst;
 import org.cloudbus.cloudsim.lists.VmList;
 import org.cloudbus.cloudsim.provisioners.BwProvisionerSimple;
 import org.cloudbus.cloudsim.provisioners.PeProvisionerSimple;
@@ -261,10 +262,9 @@ public class CloudSimGpuExample2 {
 						new GpuGddramProvisionerSimple(gddram), new GpuBwProvisionerShared(bw)));
 			}
 			// Pgpu selection policy
-			PgpuSelectionPolicy pgpuSelectionPolicy = new PgpuSelectionPolicyNull();
+			PgpuSelectionPolicy pgpuSelectionPolicy = new PgpuSelectionPolicyBreadthFirst();
 			// Scheduler
-			VgpuScheduler vgpuScheduler = new GridVgpuSchedulerFairShare(GridVideoCardTags.NVIDIA_K2_CARD, pgpus,
-					pgpuSelectionPolicy);
+			VgpuScheduler vgpuScheduler = new GridVgpuSchedulerFairShareEx(GridVideoCardTags.NVIDIA_K2_CARD, pgpus, pgpuSelectionPolicy, new PerformanceModelGpuNull(), GridVideoCardTags.K2_VGPUS);
 			// PCI Express Bus Bw Provisioner
 			VideoCardBwProvisioner videoCardBwProvisioner = new VideoCardBwProvisionerShared(BusTags.PCI_E_3_X16_BW);
 			// Create a video card
@@ -297,7 +297,7 @@ public class CloudSimGpuExample2 {
 		// Set VM Scheduler
 		VmScheduler vmScheduler = new VmSchedulerTimeShared(peList);
 		// Video Card Selection Policy
-		VideoCardAllocationPolicy videoCardAllocationPolicy = new VideoCardAllocationPolicyNull(videoCards);
+		VideoCardAllocationPolicy videoCardAllocationPolicy = new VideoCardAllocationPolicyBreadthFirst(videoCards);
 		GpuHost newHost = new GpuHost(hostId, GpuHostTags.DUAL_INTEL_XEON_E5_2620_V3, new RamProvisionerSimple(ram),
 				new BwProvisionerSimple(bw), storage, peList, vmScheduler, videoCardAllocationPolicy);
 		hostList.add(newHost);
@@ -331,7 +331,7 @@ public class CloudSimGpuExample2 {
 		// We need to create a Datacenter object.
 		GpuDatacenter datacenter = null;
 		try {
-			datacenter = new GpuDatacenter(name, characteristics, new GridGpuVmAllocationPolicyBreadthFirst(hostList),
+			datacenter = new GpuDatacenter(name, characteristics, new GpuVmAllocationPolicySimple(hostList),
 					storageList, schedulingInterval);
 		} catch (Exception e) {
 			e.printStackTrace();

modules/cloudsim-examples/src/main/java/org/cloudbus/cloudsim/examples/gpu/CloudSimGpuExample3.java

@@ -27,15 +27,15 @@ import org.cloudbus.cloudsim.gpu.GpuHostTags;
 import org.cloudbus.cloudsim.gpu.GpuTask;
 import org.cloudbus.cloudsim.gpu.GpuTaskSchedulerLeftover;
 import org.cloudbus.cloudsim.gpu.GpuVm;
+import org.cloudbus.cloudsim.gpu.GpuVmAllocationPolicySimple;
 import org.cloudbus.cloudsim.gpu.Pgpu;
 import org.cloudbus.cloudsim.gpu.ResGpuTask;
 import org.cloudbus.cloudsim.gpu.Vgpu;
 import org.cloudbus.cloudsim.gpu.VgpuScheduler;
 import org.cloudbus.cloudsim.gpu.VideoCard;
 import org.cloudbus.cloudsim.gpu.allocation.VideoCardAllocationPolicy;
-import org.cloudbus.cloudsim.gpu.allocation.VideoCardAllocationPolicyNull;
-import org.cloudbus.cloudsim.gpu.hardware_assisted.grid.GridGpuVmAllocationPolicyBreadthFirst;
-import org.cloudbus.cloudsim.gpu.hardware_assisted.grid.GridPerformanceVgpuSchedulerFairShare;
+import org.cloudbus.cloudsim.gpu.allocation.VideoCardAllocationPolicyBreadthFirst;
+import org.cloudbus.cloudsim.gpu.hardware_assisted.grid.GridVgpuSchedulerFairShareEx;
 import org.cloudbus.cloudsim.gpu.hardware_assisted.grid.GridVgpuTags;
 import org.cloudbus.cloudsim.gpu.hardware_assisted.grid.GridVideoCardTags;
 import org.cloudbus.cloudsim.gpu.interference.InterferenceGpuTaskSchedulerLeftover;
@@ -49,7 +49,7 @@ import org.cloudbus.cloudsim.gpu.provisioners.GpuGddramProvisionerSimple;
 import org.cloudbus.cloudsim.gpu.provisioners.VideoCardBwProvisioner;
 import org.cloudbus.cloudsim.gpu.provisioners.VideoCardBwProvisionerShared;
 import org.cloudbus.cloudsim.gpu.selection.PgpuSelectionPolicy;
-import org.cloudbus.cloudsim.gpu.selection.PgpuSelectionPolicyNull;
+import org.cloudbus.cloudsim.gpu.selection.PgpuSelectionPolicyBreadthFirst;
 import org.cloudbus.cloudsim.lists.VmList;
 import org.cloudbus.cloudsim.provisioners.BwProvisionerSimple;
 import org.cloudbus.cloudsim.provisioners.PeProvisionerSimple;
@@ -238,12 +238,12 @@ public class CloudSimGpuExample3 {
 						new GpuGddramProvisionerSimple(gddram), new GpuBwProvisionerShared(bw)));
 			}
 			// Pgpu selection policy
-			PgpuSelectionPolicy pgpuSelectionPolicy = new PgpuSelectionPolicyNull();
+			PgpuSelectionPolicy pgpuSelectionPolicy = new PgpuSelectionPolicyBreadthFirst();
 			// Performance Model
 			PerformanceModel<VgpuScheduler, Vgpu> performanceModel = new PerformanceModelGpuConstant(0.1);
 			// Scheduler
-			VgpuScheduler vgpuScheduler = new GridPerformanceVgpuSchedulerFairShare(GridVideoCardTags.NVIDIA_K2_CARD,
-					pgpus, pgpuSelectionPolicy, performanceModel);
+			VgpuScheduler vgpuScheduler = new GridVgpuSchedulerFairShareEx(GridVideoCardTags.NVIDIA_K2_CARD,
+					pgpus, pgpuSelectionPolicy, performanceModel, GridVideoCardTags.K2_VGPUS);
 			// PCI Express Bus Bw Provisioner
 			VideoCardBwProvisioner videoCardBwProvisioner = new VideoCardBwProvisionerShared(BusTags.PCI_E_3_X16_BW);
 			// Create a video card
@@ -276,7 +276,7 @@ public class CloudSimGpuExample3 {
 		// Set VM Scheduler
 		VmScheduler vmScheduler = new VmSchedulerTimeShared(peList);
 		// Video Card Selection Policy
-		VideoCardAllocationPolicy videoCardAllocationPolicy = new VideoCardAllocationPolicyNull(videoCards);
+		VideoCardAllocationPolicy videoCardAllocationPolicy = new VideoCardAllocationPolicyBreadthFirst(videoCards);
 		PerformanceGpuHost newHost = new PerformanceGpuHost(hostId, GpuHostTags.DUAL_INTEL_XEON_E5_2620_V3,
 				new RamProvisionerSimple(ram), new BwProvisionerSimple(bw), storage, peList, vmScheduler,
 				videoCardAllocationPolicy);
@@ -311,7 +311,7 @@ public class CloudSimGpuExample3 {
 		// We need to create a Datacenter object.
 		GpuDatacenter datacenter = null;
 		try {
-			datacenter = new GpuDatacenter(name, characteristics, new GridGpuVmAllocationPolicyBreadthFirst(hostList),
+			datacenter = new GpuDatacenter(name, characteristics, new GpuVmAllocationPolicySimple(hostList),
 					storageList, schedulingInterval);
 		} catch (Exception e) {
 			e.printStackTrace();

modules/cloudsim-examples/src/main/java/org/cloudbus/cloudsim/examples/gpu/CloudSimGpuExample4.java

@@ -26,14 +26,14 @@ import org.cloudbus.cloudsim.gpu.GpuHostTags;
 import org.cloudbus.cloudsim.gpu.GpuTask;
 import org.cloudbus.cloudsim.gpu.GpuTaskSchedulerLeftover;
 import org.cloudbus.cloudsim.gpu.GpuVm;
+import org.cloudbus.cloudsim.gpu.GpuVmAllocationPolicySimple;
 import org.cloudbus.cloudsim.gpu.Pgpu;
 import org.cloudbus.cloudsim.gpu.Vgpu;
 import org.cloudbus.cloudsim.gpu.VgpuScheduler;
 import org.cloudbus.cloudsim.gpu.VideoCard;
 import org.cloudbus.cloudsim.gpu.allocation.VideoCardAllocationPolicy;
-import org.cloudbus.cloudsim.gpu.allocation.VideoCardAllocationPolicyNull;
-import org.cloudbus.cloudsim.gpu.hardware_assisted.grid.GridGpuVmAllocationPolicyBreadthFirst;
-import org.cloudbus.cloudsim.gpu.hardware_assisted.grid.GridPerformanceVgpuSchedulerFairShare;
+import org.cloudbus.cloudsim.gpu.allocation.VideoCardAllocationPolicyBreadthFirst;
+import org.cloudbus.cloudsim.gpu.hardware_assisted.grid.GridVgpuSchedulerFairShareEx;
 import org.cloudbus.cloudsim.gpu.hardware_assisted.grid.GridVgpuTags;
 import org.cloudbus.cloudsim.gpu.hardware_assisted.grid.GridVideoCardPowerModelK1;
 import org.cloudbus.cloudsim.gpu.hardware_assisted.grid.GridVideoCardTags;
@@ -50,6 +50,7 @@ import org.cloudbus.cloudsim.gpu.provisioners.GpuGddramProvisionerSimple;
 import org.cloudbus.cloudsim.gpu.provisioners.VideoCardBwProvisioner;
 import org.cloudbus.cloudsim.gpu.provisioners.VideoCardBwProvisionerShared;
 import org.cloudbus.cloudsim.gpu.selection.PgpuSelectionPolicy;
+import org.cloudbus.cloudsim.gpu.selection.PgpuSelectionPolicyBreadthFirst;
 import org.cloudbus.cloudsim.gpu.selection.PgpuSelectionPolicyNull;
 import org.cloudbus.cloudsim.lists.VmList;
 import org.cloudbus.cloudsim.power.models.PowerModel;
@@ -259,13 +260,13 @@ public class CloudSimGpuExample4 {
 						new GpuGddramProvisionerSimple(gddram), new GpuBwProvisionerShared(bw)));
 			}
 			// Pgpu selection policy
-			PgpuSelectionPolicy pgpuSelectionPolicy = new PgpuSelectionPolicyNull();
+			PgpuSelectionPolicy pgpuSelectionPolicy = new PgpuSelectionPolicyBreadthFirst();
 			// Performance Model
 			double performanceLoss = 0.1;
 			PerformanceModel<VgpuScheduler, Vgpu> performanceModel = new PerformanceModelGpuConstant(performanceLoss);
 			// Scheduler
-			GridPerformanceVgpuSchedulerFairShare vgpuScheduler = new GridPerformanceVgpuSchedulerFairShare(
-					GridVideoCardTags.NVIDIA_K1_CARD, pgpus, pgpuSelectionPolicy, performanceModel);
+			GridVgpuSchedulerFairShareEx vgpuScheduler = new GridVgpuSchedulerFairShareEx(
+					GridVideoCardTags.NVIDIA_K1_CARD, pgpus, pgpuSelectionPolicy, performanceModel, GridVideoCardTags.K1_VGPUS);
 			// PCI Express Bus Bw Provisioner
 			VideoCardBwProvisioner videoCardBwProvisioner = new VideoCardBwProvisionerShared(BusTags.PCI_E_3_X16_BW);
 			// Video Card Power Model
@@ -304,7 +305,7 @@ public class CloudSimGpuExample4 {
 		double hostStaticPowerPercent = 0.70;
 		PowerModel powerModel = new GpuHostPowerModelLinear(hostMaxPower, hostStaticPowerPercent);
 		// Video Card Selection Policy
-		VideoCardAllocationPolicy videoCardAllocationPolicy = new VideoCardAllocationPolicyNull(videoCards);
+		VideoCardAllocationPolicy videoCardAllocationPolicy = new VideoCardAllocationPolicyBreadthFirst(videoCards);
 		PowerGpuHost newHost = new PowerGpuHost(hostId, GpuHostTags.DUAL_INTEL_XEON_E5_2620_V3,
 				new RamProvisionerSimple(ram), new BwProvisionerSimple(bw), storage, peList, vmScheduler,
 				videoCardAllocationPolicy, powerModel);
@@ -340,7 +341,7 @@ public class CloudSimGpuExample4 {
 		PowerGpuDatacenter datacenter = null;
 		try {
 			datacenter = new PowerGpuDatacenter(name, characteristics,
-					new GridGpuVmAllocationPolicyBreadthFirst(hostList), storageList, schedulingInterval);
+					new GpuVmAllocationPolicySimple(hostList), storageList, schedulingInterval);
 		} catch (Exception e) {
 			e.printStackTrace();
 		}

modules/cloudsim-examples/src/main/java/org/cloudbus/cloudsim/examples/gpu/CloudSimGpuExample5.java

@@ -26,14 +26,14 @@ import org.cloudbus.cloudsim.gpu.GpuHostTags;
 import org.cloudbus.cloudsim.gpu.GpuTask;
 import org.cloudbus.cloudsim.gpu.GpuTaskSchedulerLeftover;
 import org.cloudbus.cloudsim.gpu.GpuVm;
+import org.cloudbus.cloudsim.gpu.GpuVmAllocationPolicySimple;
 import org.cloudbus.cloudsim.gpu.Pgpu;
 import org.cloudbus.cloudsim.gpu.Vgpu;
 import org.cloudbus.cloudsim.gpu.VgpuScheduler;
 import org.cloudbus.cloudsim.gpu.VideoCard;
 import org.cloudbus.cloudsim.gpu.allocation.VideoCardAllocationPolicy;
-import org.cloudbus.cloudsim.gpu.allocation.VideoCardAllocationPolicyNull;
-import org.cloudbus.cloudsim.gpu.hardware_assisted.grid.GridGpuVmAllocationPolicyBreadthFirst;
-import org.cloudbus.cloudsim.gpu.hardware_assisted.grid.GridPerformanceVgpuSchedulerFairShare;
+import org.cloudbus.cloudsim.gpu.allocation.VideoCardAllocationPolicyBreadthFirst;
+import org.cloudbus.cloudsim.gpu.hardware_assisted.grid.GridVgpuSchedulerFairShareEx;
 import org.cloudbus.cloudsim.gpu.hardware_assisted.grid.GridVgpuTags;
 import org.cloudbus.cloudsim.gpu.hardware_assisted.grid.GridVideoCardPowerModelK1;
 import org.cloudbus.cloudsim.gpu.hardware_assisted.grid.GridVideoCardTags;
@@ -50,7 +50,7 @@ import org.cloudbus.cloudsim.gpu.provisioners.GpuGddramProvisionerSimple;
 import org.cloudbus.cloudsim.gpu.provisioners.VideoCardBwProvisioner;
 import org.cloudbus.cloudsim.gpu.provisioners.VideoCardBwProvisionerShared;
 import org.cloudbus.cloudsim.gpu.selection.PgpuSelectionPolicy;
-import org.cloudbus.cloudsim.gpu.selection.PgpuSelectionPolicyNull;
+import org.cloudbus.cloudsim.gpu.selection.PgpuSelectionPolicyBreadthFirst;
 import org.cloudbus.cloudsim.lists.VmList;
 import org.cloudbus.cloudsim.power.models.PowerModel;
 import org.cloudbus.cloudsim.provisioners.BwProvisionerSimple;
@@ -263,13 +263,14 @@ public class CloudSimGpuExample5 {
 						new GpuGddramProvisionerSimple(gddram), new GpuBwProvisionerShared(bw)));
 			}
 			// Pgpu selection policy
-			PgpuSelectionPolicy pgpuSelectionPolicy = new PgpuSelectionPolicyNull();
+			PgpuSelectionPolicy pgpuSelectionPolicy = new PgpuSelectionPolicyBreadthFirst();
 			// Performance Model
 			double performanceLoss = 0.1;
 			PerformanceModel<VgpuScheduler, Vgpu> performanceModel = new PerformanceModelGpuConstant(performanceLoss);
 			// Scheduler
-			GridPerformanceVgpuSchedulerFairShare vgpuScheduler = new GridPerformanceVgpuSchedulerFairShare(
-					GridVideoCardTags.NVIDIA_K1_CARD, pgpus, pgpuSelectionPolicy, performanceModel);
+			GridVgpuSchedulerFairShareEx vgpuScheduler = new GridVgpuSchedulerFairShareEx(
+					GridVideoCardTags.NVIDIA_K1_CARD, pgpus, pgpuSelectionPolicy, performanceModel,
+					GridVideoCardTags.K2_VGPUS);
 			// PCI Express Bus Bw Provisioner
 			VideoCardBwProvisioner videoCardBwProvisioner = new VideoCardBwProvisionerShared(BusTags.PCI_E_3_X16_BW);
 			// Video Card Power Model
@@ -308,7 +309,7 @@ public class CloudSimGpuExample5 {
 		double hostStaticPowerPercent = 0.70;
 		PowerModel powerModel = new GpuHostPowerModelLinear(hostMaxPower, hostStaticPowerPercent);
 		// Video Card Selection Policy
-		VideoCardAllocationPolicy videoCardAllocationPolicy = new VideoCardAllocationPolicyNull(videoCards);
+		VideoCardAllocationPolicy videoCardAllocationPolicy = new VideoCardAllocationPolicyBreadthFirst(videoCards);
 
 		PowerGpuHost newHost = new PowerGpuHost(hostId, GpuHostTags.DUAL_INTEL_XEON_E5_2620_V3,
 				new RamProvisionerSimple(ram), new BwProvisionerSimple(bw), storage, peList, vmScheduler,
@@ -363,8 +364,8 @@ public class CloudSimGpuExample5 {
 		// We need to create a Datacenter object.
 		PowerGpuDatacenter datacenter = null;
 		try {
-			datacenter = new PowerGpuDatacenter(name, characteristics,
-					new GridGpuVmAllocationPolicyBreadthFirst(hostList), storageList, schedulingInterval);
+			datacenter = new PowerGpuDatacenter(name, characteristics, new GpuVmAllocationPolicySimple(hostList),
+					storageList, schedulingInterval);
 		} catch (Exception e) {
 			e.printStackTrace();
 		}

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/gpu/hardware_assisted/grid/GridGpuVmAllocationPolicyBreadthFirst.java

-package org.cloudbus.cloudsim.gpu.hardware_assisted.grid;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-import org.apache.commons.lang3.NotImplementedException;
-import org.apache.commons.lang3.tuple.Pair;
-import org.cloudbus.cloudsim.Host;
-import org.cloudbus.cloudsim.Vm;
-import org.cloudbus.cloudsim.gpu.GpuHost;
-import org.cloudbus.cloudsim.gpu.GpuVm;
-import org.cloudbus.cloudsim.gpu.GpuVmAllocationPolicy;
-import org.cloudbus.cloudsim.gpu.Pgpu;
-import org.cloudbus.cloudsim.gpu.Vgpu;
-import org.cloudbus.cloudsim.gpu.VideoCard;
-import org.cloudbus.cloudsim.gpu.allocation.VideoCardAllocationPolicy;
-import org.cloudbus.cloudsim.gpu.allocation.VideoCardAllocationPolicyNull;
-import org.cloudbus.cloudsim.gpu.selection.PgpuSelectionPolicy;
-import org.cloudbus.cloudsim.gpu.selection.PgpuSelectionPolicyNull;
-
-public class GridGpuVmAllocationPolicyBreadthFirst extends GpuVmAllocationPolicy {
-
-	/**
-	 * This class extends {@link GpuVmAllocationPolicy} to implement breadth-first
-	 * policy and enforce homogeneous vGPU allocation restriction of NVIDIA GRID
-	 * technology according to NVIDIA documents.
-	 * 
-	 * <b>Note</b>: This class performs a global placement, so classes required for
-	 * hierarchical placement that extend or implement
-	 * {@link VideoCardAllocationPolicy} and {@link PgpuSelectionPolicy} can be set
-	 * to {@link VideoCardAllocationPolicyNull} and {@link PgpuSelectionPolicyNull}
-	 * respectively. Otherwise, they are ignored.
-	 * 
-	 * @author Ahmad Siavashi
-	 *
-	 */
-
-	private Map<GpuHost, List<Pair<Pgpu, Integer>>> gpuHostPgpus = new HashMap<>();
-	private Map<Pgpu, Integer> pgpuProfileMap = new HashMap<>();
-
-	protected static final Integer EMPTY = 0;
-
-	public GridGpuVmAllocationPolicyBreadthFirst(List<? extends Host> list) {
-		super(list);
-		for (GpuHost gpuHost : getGpuHostList()) {
-			gpuHostPgpus.put(gpuHost, new ArrayList<>());
-			for (VideoCard videoCard : gpuHost.getVideoCardAllocationPolicy().getVideoCards()) {
-				for (Pgpu pgpu : videoCard.getVgpuScheduler().getPgpuList()) {
-					gpuHostPgpus.get(gpuHost).add(Pair.of(pgpu, EMPTY));
-				}
-			}
-		}
-	}
-
-	@Override
-	protected void deallocateGpuForVgpu(Vgpu vgpu) {
-		Host host = vgpu.getVm().getHost();
-		Pgpu pgpu = vgpu.getVideoCard().getVgpuScheduler().getPgpuForVgpu(vgpu);
-		super.deallocateGpuForVgpu(vgpu);
-		List<Pair<Pgpu, Integer>> pgpuEntities = gpuHostPgpus.get(host);
-		Pair<Pgpu, Integer> pgpuEntity = pgpuEntities.stream().filter(x -> x.getKey() == pgpu).findFirst().get();
-		pgpuEntities.remove(pgpuEntity);
-		pgpuEntities.add(Pair.of(pgpuEntity.getKey(), pgpuEntity.getValue() - 1));
-		if (pgpuEntity.getKey().getGddramProvisioner().getAvailableGddram() == pgpuEntity.getKey()
-				.getGddramProvisioner().getGddram()) {
-			pgpuProfileMap.remove(pgpuEntity.getKey());
-		}
-	}
-
-	@Override
-	public Map<GpuVm, Boolean> allocateHostForVms(List<GpuVm> vms) {
-		Map<GpuVm, Boolean> results = new HashMap<GpuVm, Boolean>();
-		for (GpuVm vm : vms) {
-			boolean result = allocateHostForVm(vm);
-			results.put(vm, result);
-		}
-		return results;
-
-	}
-
-	protected boolean allocateGpuHostForGpuVm(GpuVm vm) {
-		for (GpuHost gpuHost : getGpuHostList()) {
-			List<Pair<Pgpu, Integer>> pgpuEntities = gpuHostPgpus.get(gpuHost);
-			sortPgpusList(pgpuEntities);
-			boolean result = allocateHostForVm(vm, gpuHost);
-			if (result) {
-				for (Pair<Pgpu, Integer> pgpuEntity : pgpuEntities) {
-					if (pgpuProfileMap.getOrDefault(pgpuEntity.getKey(), vm.getVgpu().getGddram()) != vm.getVgpu()
-							.getGddram()) {
-						continue;
-					}
-					if (allocateGpuHostForVgpu(vm.getVgpu(), gpuHost, pgpuEntity.getKey())) {
-						pgpuEntities.remove(pgpuEntity);
-						pgpuEntities.add(Pair.of(pgpuEntity.getKey(), pgpuEntity.getValue() + 1));
-						pgpuProfileMap.put(pgpuEntity.getLeft(), vm.getVgpu().getGddram());
-						return true;
-					}
-				}
-				deallocateHostForVm(vm);
-			}
-		}
-		return false;
-	}
-
-	protected void sortPgpusList(List<Pair<Pgpu, Integer>> pgpuList) {
-		Collections.sort(pgpuList, new Comparator<Pair<Pgpu, Integer>>() {
-			public int compare(Pair<Pgpu, Integer> p1, Pair<Pgpu, Integer> p2) {
-				return Integer.compare(p1.getValue(), p2.getValue());
-			};
-		});
-	}
-
-	@Override
-	public boolean allocateHostForVm(Vm vm) {
-		GpuVm gpuVm = (GpuVm) vm;
-		if (!gpuVm.hasVgpu()) {
-			for (Host host : getHostList()) {
-				boolean result = allocateHostForVm(vm, host);
-				if (result) {
-					return true;
-				}
-			}
-		} else {
-			return allocateGpuHostForGpuVm(gpuVm);
-		}
-		return false;
-	}
-
-	@Override
-	protected boolean allocateGpuForVgpu(Vgpu vgpu, GpuHost gpuHost) {
-		throw new NotImplementedException("not implemented");
-	}
-
-}

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/gpu/hardware_assisted/grid/GridGpuVmAllocationPolicyDepthFirst.java

-package org.cloudbus.cloudsim.gpu.hardware_assisted.grid;
-
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.List;
-
-import org.apache.commons.lang3.tuple.Pair;
-import org.cloudbus.cloudsim.Host;
-import org.cloudbus.cloudsim.gpu.Pgpu;
-import org.cloudbus.cloudsim.gpu.allocation.VideoCardAllocationPolicy;
-import org.cloudbus.cloudsim.gpu.allocation.VideoCardAllocationPolicyNull;
-import org.cloudbus.cloudsim.gpu.selection.PgpuSelectionPolicy;
-import org.cloudbus.cloudsim.gpu.selection.PgpuSelectionPolicyNull;
-
-/**
- * This class extends {@link GridGpuVmAllocationPolicyBreadthFirst} to implement
- * depth-first policy and enforce homogeneous vGPU allocation restriction of
- * NVIDIA GRID technology according to NVIDIA documents.
- * 
- * <b>Note</b>: This class performs a global placement, so classes required for
- * hierarchical placement that extend or implement
- * {@link VideoCardAllocationPolicy} and {@link PgpuSelectionPolicy} can be set
- * to {@link VideoCardAllocationPolicyNull} and {@link PgpuSelectionPolicyNull}
- * respectively. Otherwise, they are ignored.
- * 
- * @author Ahmad Siavashi
- *
- */
-public class GridGpuVmAllocationPolicyDepthFirst extends GridGpuVmAllocationPolicyBreadthFirst {
-
-	public GridGpuVmAllocationPolicyDepthFirst(List<? extends Host> list) {
-		super(list);
-	}
-
-	@Override
-	protected void sortPgpusList(List<Pair<Pgpu, Integer>> pgpuList) {
-		Collections.sort(pgpuList, Collections.reverseOrder(new Comparator<Pair<Pgpu, Integer>>() {
-			public int compare(Pair<Pgpu, Integer> p1, Pair<Pgpu, Integer> p2) {
-				return Integer.compare(p1.getValue(), p2.getValue());
-			};
-		}));
-	}
-
-}

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/gpu/hardware_assisted/grid/GridPerformanceVgpuSchedulerFairShare.java

-package org.cloudbus.cloudsim.gpu.hardware_assisted.grid;
-
-import java.util.List;
-
-import org.cloudbus.cloudsim.gpu.Pgpu;
-import org.cloudbus.cloudsim.gpu.Vgpu;
-import org.cloudbus.cloudsim.gpu.VgpuScheduler;
-import org.cloudbus.cloudsim.gpu.performance.PerformanceScheduler;
-import org.cloudbus.cloudsim.gpu.performance.models.PerformanceModel;
-import org.cloudbus.cloudsim.gpu.selection.PgpuSelectionPolicy;
-
-/**
- * * {@link GridPerformanceVgpuSchedulerFairShare} extends
- * {@link org.cloudbus.cloudsim.gpu.VgpuSchedulerFairShare VgpuSchedulerFairShare}
- * to add support for
- * {@link org.cloudbus.cloudsim.gpu.performance.models.PerformanceModel
- * PerformanceModels}.
- * 
- * @author Ahmad Siavashi
- * 
- */
-public class GridPerformanceVgpuSchedulerFairShare extends GridVgpuSchedulerFairShare implements PerformanceScheduler<Vgpu> {
-	/** The performance model */
-	private PerformanceModel<VgpuScheduler, Vgpu> performanceModel;
-
-	/**
-	 * @see org.cloudbus.cloudsim.gpu.VgpuSchedulerFairShare#VgpuSchedulerFairShare(int,
-	 *      List, PgpuSelectionPolicy) VgpuSchedulerFairShare(int, List,
-	 *      PgpuSelectionPolicy)
-	 * 
-	 * @param performanceModel
-	 *            the performance model
-	 */
-	public GridPerformanceVgpuSchedulerFairShare(String videoCardType, List<Pgpu> pgpuList,
-			PgpuSelectionPolicy pgpuSelectionPolicy, PerformanceModel<VgpuScheduler, Vgpu> performanceModel) {
-		super(videoCardType, pgpuList, pgpuSelectionPolicy);
-		this.performanceModel = performanceModel;
-	}
-
-	@Override
-	public List<Double> getAvailableMips(Vgpu vgpu, List<Vgpu> vgpuList) {
-		return this.performanceModel.getAvailableMips(this, vgpu, vgpuList);
-	}
-}

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/gpu/hardware_assisted/grid/GridVgpuSchedulerFairShare.java → modules/cloudsim/src/main/java/org/cloudbus/cloudsim/gpu/hardware_assisted/grid/GridVgpuSchedulerFairShareEx.java

 package org.cloudbus.cloudsim.gpu.hardware_assisted.grid;
 
+import java.util.HashMap;
 import java.util.List;
-import java.util.Map.Entry;
+import java.util.Map;
 
+import org.apache.commons.lang3.ArrayUtils;
 import org.cloudbus.cloudsim.gpu.Pgpu;
 import org.cloudbus.cloudsim.gpu.Vgpu;
-import org.cloudbus.cloudsim.gpu.VgpuSchedulerFairShare;
+import org.cloudbus.cloudsim.gpu.VgpuScheduler;
+import org.cloudbus.cloudsim.gpu.performance.PerformanceVgpuSchedulerFairShareEx;
+import org.cloudbus.cloudsim.gpu.performance.models.PerformanceModel;
 import org.cloudbus.cloudsim.gpu.selection.PgpuSelectionPolicy;
 
 /**
@@ -17,52 +21,50 @@ import org.cloudbus.cloudsim.gpu.selection.PgpuSelectionPolicy;
  * 
  * @author Ahmad Siavashi
  */
-public class GridVgpuSchedulerFairShare extends VgpuSchedulerFairShare {
+public class GridVgpuSchedulerFairShareEx extends PerformanceVgpuSchedulerFairShareEx {
+
+	protected final String[] profiles;
+	protected Map<Pgpu, String> allocationMap;
 
 	/**
 	 * Instantiates a new fair-share vgpu scheduler.
 	 * 
-	 * @param pgpulist
-	 *            the list of gpu PEs of the video card where the VgpuScheduler is
-	 *            associated to.
+	 * @param pgpulist the list of gpu PEs of the video card where the VgpuScheduler
+	 *                 is associated to.
 	 */
-	public GridVgpuSchedulerFairShare(String videoCardType, List<Pgpu> pgpuList, PgpuSelectionPolicy pgpuSelectionPolicy) {
-		super(videoCardType, pgpuList, pgpuSelectionPolicy);
-	}
 
-	/**
-	 * Checks whether the vgpu type is supported by this video card type or not.
-	 * 
-	 * @param vgpu
-	 *            the vgpu
-	 * @return $true if the video card supports the vgpu type.
-	 */
-	protected boolean isVideoCardSuitableForVgpu(Vgpu vgpu) {
-		if (!GridVgpuTags.isVideoCardSuitable(getVideoCardType(), vgpu.getType())) {
-			return false;
-		}
-		for (Entry<Pgpu, List<Vgpu>> entry : getPgpuVgpuMap().entrySet()) {
-			if (GridVgpuTags.isPgpuSuitable(entry, vgpu)) {
-				return true;
+	public GridVgpuSchedulerFairShareEx(String videoCardType, List<Pgpu> pgpuList,
+			PgpuSelectionPolicy pgpuSelectionPolicy, PerformanceModel<VgpuScheduler, Vgpu> performanceModel,
+			String[] profiles) {
+		super(videoCardType, pgpuList, pgpuSelectionPolicy, performanceModel);
+		this.allocationMap = new HashMap<>();
+		this.profiles = profiles;
 	}
+
+	@Override
+	public boolean isSuitable(Pgpu pgpu, Vgpu vgpu) {
+		if ((this.allocationMap.getOrDefault(pgpu, null) == null || this.allocationMap.get(pgpu).equals(vgpu.getType()))
+				&& ArrayUtils.contains(this.profiles, vgpu.getType())) {
+			return super.isSuitable(pgpu, vgpu);
 		}
 		return false;
 	}
 
 	@Override
-	public boolean isSuitable(final Vgpu vgpu) {
-		if (!isVideoCardSuitableForVgpu(vgpu)) {
-			return false;
+	public boolean allocatePgpuForVgpu(Pgpu pgpu, Vgpu vgpu, List<Double> mipsShare, int gddramShare, long bwShare) {
+		if (super.allocatePgpuForVgpu(pgpu, vgpu, mipsShare, gddramShare, bwShare)) {
+			this.allocationMap.put(pgpu, vgpu.getType());
+			return true;
 		}
-		return super.isSuitable(vgpu);
+		return false;
 	}
 
 	@Override
-	public boolean allocatePgpuForVgpu(final Vgpu vgpu, final List<Double> mipsShare, final int gddramShare,
-			final long bwShare) {
-		if (!isVideoCardSuitableForVgpu(vgpu)) {
-			return false;
+	public void deallocatePgpuForVgpu(Vgpu vgpu) {
+		Pgpu pgpu = getPgpuForVgpu(vgpu);
+		if (getPgpuVgpuMap().get(pgpu).size() == 1) {
+			this.allocationMap.remove(pgpu);
 		}
-		return super.allocatePgpuForVgpu(vgpu, mipsShare, gddramShare, bwShare);
+		super.deallocatePgpuForVgpu(vgpu);
 	}
 }

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/gpu/hardware_assisted/grid/GridVgpuSchedulerSpaceShared.java

+package org.cloudbus.cloudsim.gpu.hardware_assisted.grid;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.commons.lang3.ArrayUtils;
+import org.cloudbus.cloudsim.gpu.Pgpu;
+import org.cloudbus.cloudsim.gpu.Vgpu;
+import org.cloudbus.cloudsim.gpu.VgpuScheduler;
+import org.cloudbus.cloudsim.gpu.performance.PerformanceVgpuSchedulerSpaceShared;
+import org.cloudbus.cloudsim.gpu.performance.models.PerformanceModel;
+import org.cloudbus.cloudsim.gpu.selection.PgpuSelectionPolicy;
+
+/**
+ * A space-shared vGPU Scheduler that considers GRID restrictions.
+ * 
+ * @author Ahmad Siavashi
+ */
+public class GridVgpuSchedulerSpaceShared extends PerformanceVgpuSchedulerSpaceShared {
+
+	protected final String[] profiles;
+	protected Map<Pgpu, String> allocationMap;
+
+	public GridVgpuSchedulerSpaceShared(String videoCardType, List<Pgpu> pgpuList,
+			PgpuSelectionPolicy pgpuSelectionPolicy, PerformanceModel<VgpuScheduler, Vgpu> performanceModel,
+			String[] profiles) {
+		super(videoCardType, pgpuList, pgpuSelectionPolicy, performanceModel);
+		this.allocationMap = new HashMap<>();
+		this.profiles = profiles;
+	}
+
+	@Override
+	public boolean isSuitable(Pgpu pgpu, Vgpu vgpu) {
+		if ((this.allocationMap.getOrDefault(pgpu, null) == null || this.allocationMap.get(pgpu).equals(vgpu.getType()))
+				&& ArrayUtils.contains(this.profiles, vgpu.getType())) {
+			return super.isSuitable(pgpu, vgpu);
+		}
+		return false;
+	}
+
+	@Override
+	public boolean allocatePgpuForVgpu(Pgpu pgpu, Vgpu vgpu, List<Double> mipsShare, int gddramShare, long bwShare) {
+		if (super.allocatePgpuForVgpu(pgpu, vgpu, mipsShare, gddramShare, bwShare)) {
+			this.allocationMap.put(pgpu, vgpu.getType());
+			return true;
+		}
+		return false;
+	}
+
+	@Override
+	public void deallocatePgpuForVgpu(Vgpu vgpu) {
+		Pgpu pgpu = getPgpuForVgpu(vgpu);
+		if (getPgpuVgpuMap().get(pgpu).size() == 1) {
+			this.allocationMap.remove(pgpu);
+		}
+		super.deallocatePgpuForVgpu(vgpu);
+	}
+
+}

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/gpu/hardware_assisted/grid/GridVgpuTags.java

 package org.cloudbus.cloudsim.gpu.hardware_assisted.grid;
 
-import java.util.List;
-import java.util.Map.Entry;
-
-import org.apache.commons.lang3.ArrayUtils;
 import org.cloudbus.cloudsim.gpu.BusTags;
 import org.cloudbus.cloudsim.gpu.GpuTaskScheduler;
-import org.cloudbus.cloudsim.gpu.Pgpu;
 import org.cloudbus.cloudsim.gpu.Vgpu;
 
 /**
@@ -20,34 +15,18 @@ import org.cloudbus.cloudsim.gpu.Vgpu;
 
 public class GridVgpuTags {
 
-	public final static String DONT_CARE = null;
-
 	/** NVIDIA GRID K1 Profiles */
-	public final static int MAX_K120Q_VGPUS_PER_K1_PGPU = 8;
-	public final static int MAX_K140Q_VGPUS_PER_K1_PGPU = 4;
-	public final static int MAX_K160Q_VGPUS_PER_K1_PGPU = 2;
-	public final static int MAX_K180Q_VGPUS_PER_K1_PGPU = 1;
-
 	public final static String K1_K120Q = "NVIDIA K120Q";
 	public final static String K1_K140Q = "NVIDIA K140Q";
 	public final static String K1_K160Q = "NVIDIA K160Q";
 	public final static String K1_K180Q = "NVIDIA K180Q";
 
-	public final static String[] K1_VGPUS = { K1_K120Q, K1_K140Q, K1_K160Q, K1_K180Q };
-
 	/** NVIDIA GRID K2 Profiles */
-	public final static int MAX_K220Q_VGPUS_PER_K2_PGPU = 8;
-	public final static int MAX_K240Q_VGPUS_PER_K2_PGPU = 4;
-	public final static int MAX_K260Q_VGPUS_PER_K2_PGPU = 2;
-	public final static int MAX_K280Q_VGPUS_PER_K2_PGPU = 1;
-
 	public final static String K2_K220Q = "NVIDIA K220Q";
 	public final static String K2_K240Q = "NVIDIA K240Q";
 	public final static String K2_K260Q = "NVIDIA K260Q";
 	public final static String K2_K280Q = "NVIDIA K280Q";
 
-	public final static String[] K2_VGPUS = { K2_K220Q, K2_K240Q, K2_K260Q, K2_K280Q };
-
 	/**
 	 * K1 Board Pass through type 1/pGPU, 4/board
 	 * 
@@ -63,7 +42,7 @@ public class GridVgpuTags {
 		final int gddram = 4096;
 		// Bandwidth: 28.5 GB/s
 		final long bw = (long) 28.5 * 1024;
-		Vgpu vgpu = new Vgpu(vgpuId, mips, numberOfPes, gddram, bw, type, DONT_CARE, scheduler, BusTags.PCI_E_3_X16_BW);
+		Vgpu vgpu = new Vgpu(vgpuId, mips, numberOfPes, gddram, bw, type, null, scheduler, BusTags.PCI_E_3_X16_BW);
 		return vgpu;
 	}
 
@@ -82,7 +61,7 @@ public class GridVgpuTags {
 		final int gddram = 2048;
 		// Bandwidth: 28.5 GB/s
 		final long bw = (long) 28.5 * 1024;
-		Vgpu vgpu = new Vgpu(vgpuId, mips, numberOfPes, gddram, bw, type, DONT_CARE, scheduler, BusTags.PCI_E_3_X16_BW);
+		Vgpu vgpu = new Vgpu(vgpuId, mips, numberOfPes, gddram, bw, type, null, scheduler, BusTags.PCI_E_3_X16_BW);
 		return vgpu;
 	}
 
@@ -101,7 +80,7 @@ public class GridVgpuTags {
 		final int gddram = 1024;
 		// Bandwidth: 28.5 GB/s
 		final long bw = (long) 28.5 * 1024;
-		Vgpu vgpu = new Vgpu(vgpuId, mips, numberOfPes, gddram, bw, type, DONT_CARE, scheduler, BusTags.PCI_E_3_X16_BW);
+		Vgpu vgpu = new Vgpu(vgpuId, mips, numberOfPes, gddram, bw, type, null, scheduler, BusTags.PCI_E_3_X16_BW);
 		return vgpu;
 	}
 
@@ -120,7 +99,7 @@ public class GridVgpuTags {
 		final int gddram = 512;
 		// Bandwidth: 28.5 GB/s
 		final long bw = (long) 28.5 * 1024;
-		Vgpu vgpu = new Vgpu(vgpuId, mips, numberOfPes, gddram, bw, type, DONT_CARE, scheduler, BusTags.PCI_E_3_X16_BW);
+		Vgpu vgpu = new Vgpu(vgpuId, mips, numberOfPes, gddram, bw, type, null, scheduler, BusTags.PCI_E_3_X16_BW);
 		return vgpu;
 	}
 
@@ -139,7 +118,7 @@ public class GridVgpuTags {
 		final int gddram = 512;
 		// Bandwidth: 160 GB/s
 		final long bw = 160 * 1024;
-		Vgpu vgpu = new Vgpu(vgpuId, mips, numberOfPes, gddram, bw, type, DONT_CARE, scheduler, BusTags.PCI_E_3_X16_BW);
+		Vgpu vgpu = new Vgpu(vgpuId, mips, numberOfPes, gddram, bw, type, null, scheduler, BusTags.PCI_E_3_X16_BW);
 		return vgpu;
 	}
 
@@ -158,7 +137,7 @@ public class GridVgpuTags {
 		final int gddram = 1024;
 		// Bandwidth: 160 GB/s
 		final long bw = 160 * 1024;
-		Vgpu vgpu = new Vgpu(vgpuId, mips, numberOfPes, gddram, bw, type, DONT_CARE, scheduler, BusTags.PCI_E_3_X16_BW);
+		Vgpu vgpu = new Vgpu(vgpuId, mips, numberOfPes, gddram, bw, type, null, scheduler, BusTags.PCI_E_3_X16_BW);
 		return vgpu;
 	}
 
@@ -177,7 +156,7 @@ public class GridVgpuTags {
 		final int gddram = 2048;
 		// Bandwidth: 160 GB/s
 		final long bw = 160 * 1024;
-		Vgpu vgpu = new Vgpu(vgpuId, mips, numberOfPes, gddram, bw, type, DONT_CARE, scheduler, BusTags.PCI_E_3_X16_BW);
+		Vgpu vgpu = new Vgpu(vgpuId, mips, numberOfPes, gddram, bw, type, null, scheduler, BusTags.PCI_E_3_X16_BW);
 		return vgpu;
 	}
 
@@ -196,75 +175,10 @@ public class GridVgpuTags {
 		final int gddram = 4096;
 		// Bandwidth: 160 GB/s
 		final long bw = 160 * 1024;
-		Vgpu vgpu = new Vgpu(vgpuId, mips, numberOfPes, gddram, bw, type, DONT_CARE, scheduler, BusTags.PCI_E_3_X16_BW);
+		Vgpu vgpu = new Vgpu(vgpuId, mips, numberOfPes, gddram, bw, type, null, scheduler, BusTags.PCI_E_3_X16_BW);
 		return vgpu;
 	}
 
-	/**
-	 * Checks whether a videoCard type supports a given vgpu type or not.
-	 * 
-	 * @param videoCardType
-	 *            type of the videoCard
-	 * @param vgpuType
-	 *            type of the vgpu
-	 * @return $true if the videoCard supports the given vgpu type; $false
-	 *         otherwise.
-	 */
-	public static boolean isVideoCardSuitable(String videoCardType, String vgpuType) {
-		switch (videoCardType) {
-		case GridVideoCardTags.NVIDIA_K1_CARD:
-			return ArrayUtils.contains(GridVgpuTags.K1_VGPUS, vgpuType);
-		case GridVideoCardTags.NVIDIA_K2_CARD:
-			return ArrayUtils.contains(GridVgpuTags.K2_VGPUS, vgpuType);
-		default:
-			return true;
-		}
-	}
-
-	/**
-	 * Checks whether it is possible to allocate the given vgpu on any of the given
-	 * pgpus or not.
-	 * 
-	 * @param currentResidents
-	 *            videoCard's pgpus with their current resident vgpus
-	 * @param newVgpu
-	 *            the newly arrived vgpu
-	 * @return $true if a suitable pgpu exists for <b>newVgpu</b>; $false otherwise
-	 */
-	public static boolean isPgpuSuitable(Entry<Pgpu, List<Vgpu>> currentResidents, Vgpu newVgpu) {
-		Pgpu pgpu = currentResidents.getKey();
-		List<Vgpu> vgpus = currentResidents.getValue();
-		if (vgpus.isEmpty()) {
-			return true;
-		} else if (vgpus.get(0).getType() != newVgpu.getType()) {
-			return false;
-		}
-		int currentNumberOfVgpus = vgpus.size();
-		switch (newVgpu.getType()) {
-		case GridVgpuTags.K1_K120Q:
-			return currentNumberOfVgpus < GridVgpuTags.MAX_K120Q_VGPUS_PER_K1_PGPU;
-		case GridVgpuTags.K1_K140Q:
-			return currentNumberOfVgpus < GridVgpuTags.MAX_K140Q_VGPUS_PER_K1_PGPU;
-		case GridVgpuTags.K1_K160Q:
-			return currentNumberOfVgpus < GridVgpuTags.MAX_K160Q_VGPUS_PER_K1_PGPU;
-		case GridVgpuTags.K1_K180Q:
-			return currentNumberOfVgpus < GridVgpuTags.MAX_K180Q_VGPUS_PER_K1_PGPU;
-		case GridVgpuTags.K2_K220Q:
-			return currentNumberOfVgpus < GridVgpuTags.MAX_K220Q_VGPUS_PER_K2_PGPU;
-		case GridVgpuTags.K2_K240Q:
-			return currentNumberOfVgpus < GridVgpuTags.MAX_K240Q_VGPUS_PER_K2_PGPU;
-		case GridVgpuTags.K2_K260Q:
-			return currentNumberOfVgpus < GridVgpuTags.MAX_K260Q_VGPUS_PER_K2_PGPU;
-		case GridVgpuTags.K2_K280Q:
-			return currentNumberOfVgpus < GridVgpuTags.MAX_K280Q_VGPUS_PER_K2_PGPU;
-		}
-		if (pgpu.getGddramProvisioner().isSuitableForVgpu(newVgpu, newVgpu.getGddram())
-				&& pgpu.getBwProvisioner().isSuitableForVgpu(newVgpu, newVgpu.getBw())) {
-			return true;
-		}
-		return false;
-	}
-
 	/**
 	 * Singleton class (cannot be instantiated)
 	 */

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/gpu/hardware_assisted/grid/GridVideoCardTags.java

@@ -19,7 +19,6 @@ public class GridVideoCardTags {
 	public final static String NVIDIA_K80_CARD = "NVIDIA K80";
 	public final static String NVIDIA_M60_CARD = "NVIDIA M60";
 
-
 	public final static int NVIDIA_KEPLER_SMX_CUDA_CORES = 192;
 	public final static int NVIDIA_MAXWELL_SMM_CUDA_CORES = 128;
 
@@ -42,6 +41,9 @@ public class GridVideoCardTags {
 	/** 4 x 28.5/s */
 	public final static long NVIDIA_K1_CARD_BW_PER_BUS = (long) 28.5 * 1024;
 
+	public final static String[] K1_VGPUS = { GridVgpuTags.K1_K120Q, GridVgpuTags.K1_K140Q, GridVgpuTags.K1_K160Q,
+			GridVgpuTags.K1_K180Q };
+
 	// NVIDIA GRID K2 Spec
 
 	/** 225 Watts */
@@ -61,6 +63,9 @@ public class GridVideoCardTags {
 	/** 2 x 160.0 GB/s */
 	public final static long NVIDIA_K2_CARD_BW_PER_BUS = 160 * 1024;
 
+	public final static String[] K2_VGPUS = { GridVgpuTags.K2_K220Q, GridVgpuTags.K2_K240Q, GridVgpuTags.K2_K260Q,
+			GridVgpuTags.K2_K280Q };
+
 	public static double getGpuPeFrequencyFromMips(String type, double mips) {
 		double frequency = mips;
 		switch (type) {