algorithm

package
v0.2.6 Latest Latest
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 Go to latest Published: Feb 6, 2020 License: MIT Imports: 12 Imported by: 0

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func CellEqual added in v0.2.0 

func CellEqual(c1 Cell, c2 Cell) bool

func NewTopologyAwareScheduler added in v0.2.0 

func NewTopologyAwareScheduler(ccl ChainCellList,
	levelGpuNum map[CellLevel]int32,
	crossPriorityPack bool,
	considerSuggestedNodes bool) *topologyAwareScheduler

NewTopologyAwareScheduler initializes the scheduler by extracting node-level cells (lower-level if no node-level) from a chain cell list.

func ParseConfig 

func ParseConfig(sConfig *api.Config) (
	map[CellChain]ChainCellList,
	map[CellChain]map[CellLevel]int32,
	map[string][]CellChain,
	map[CellChain]map[CellLevel]api.CellType,
	map[api.VirtualClusterName]map[CellChain]ChainCellList,
	map[api.VirtualClusterName]map[api.ReservationId]ChainCellList,
	map[api.VirtualClusterName]map[api.ReservationId]*PhysicalCell,
)

Types

type AlgoAffinityGroup 

type AlgoAffinityGroup struct {
	// contains filtered or unexported fields
}

AlgoAffinityGroup is the algorithm-internal representation of an affinity group.

func (*AlgoAffinityGroup) ToAffinityGroup added in v0.2.4 

func (aag *AlgoAffinityGroup) ToAffinityGroup() api.AffinityGroup

type Cell 

type Cell interface {
	GetChain() CellChain
	GetLevel() CellLevel
	GetPriority() CellPriority
	SetPriority(CellPriority)
	GetName() string
	GetParent() Cell
	SetParent(Cell)
	GetChildren() CellList
	SetChildren(CellList)
	AtOrHigherThanNode() bool

	GetTotalGpuNum() int32
	GetUsedGpuNumAtPriorities() map[CellPriority]int32
	IncreaseUsedGpuNumAtPriority(CellPriority, int32)
}

A Cell represents a set of GPUs affinitized by their interconnection topology. Cells are organized as a tree through pointers to their parents / children.

type CellChain 

type CellChain string // name of a cell chain (type of the top-level cell)

type CellLevel 

type CellLevel int32 // starts from 1

type CellList 

type CellList []Cell

CellList is a list of cells at a certain level of a chain.

func (CellList) String 

func (cl CellList) String() string

type CellPriority 

type CellPriority int32

type ChainCellList 

type ChainCellList map[CellLevel]CellList

ChainCellList maps each level in a chain to a CellList.

func NewChainCellList 

func NewChainCellList(top CellLevel) ChainCellList

func (ChainCellList) String 

func (ccl ChainCellList) String() string

type GenericCell 

type GenericCell struct {
	// contains filtered or unexported fields
}

func (*GenericCell) AtOrHigherThanNode added in v0.2.0 

func (c *GenericCell) AtOrHigherThanNode() bool

func (*GenericCell) GetChain 

func (c *GenericCell) GetChain() CellChain

func (*GenericCell) GetChildren 

func (c *GenericCell) GetChildren() CellList

func (*GenericCell) GetLevel 

func (c *GenericCell) GetLevel() CellLevel

func (*GenericCell) GetParent 

func (c *GenericCell) GetParent() Cell

func (*GenericCell) GetPriority 

func (c *GenericCell) GetPriority() CellPriority

func (*GenericCell) GetTotalGpuNum added in v0.2.0 

func (c *GenericCell) GetTotalGpuNum() int32

func (*GenericCell) GetUsedGpuNumAtPriorities added in v0.2.0 

func (c *GenericCell) GetUsedGpuNumAtPriorities() map[CellPriority]int32

func (*GenericCell) IncreaseUsedGpuNumAtPriority added in v0.2.0 

func (c *GenericCell) IncreaseUsedGpuNumAtPriority(p CellPriority, delta int32)

func (*GenericCell) SetChildren 

func (c *GenericCell) SetChildren(children CellList)

func (*GenericCell) SetParent 

func (c *GenericCell) SetParent(p Cell)

func (*GenericCell) SetPriority 

func (c *GenericCell) SetPriority(p CellPriority)

type HivedAlgorithm 

type HivedAlgorithm struct {
	// contains filtered or unexported fields
}

HivedAlgorithm implements an internal.SchedulerAlgorithm. It schedules pods using the algorithm of HiveD. Note that the topologyAwareScheduler used in this struct is not another implementation of SchedulerAlgorithm; that is a specific algorithm for pod placement, used in intra-VC scheduling and opportunistic pod scheduling.

func NewHivedAlgorithm 

func NewHivedAlgorithm(sConfig *api.Config) *HivedAlgorithm

NewHivedAlgorithm initializes a HivedAlgorithm from the config file

func (*HivedAlgorithm) AddAllocatedPod 

func (h *HivedAlgorithm) AddAllocatedPod(pod *core.Pod)

func (*HivedAlgorithm) AddNode 

func (h *HivedAlgorithm) AddNode(node *core.Node)

func (*HivedAlgorithm) DeleteAllocatedPod 

func (h *HivedAlgorithm) DeleteAllocatedPod(pod *core.Pod)

func (*HivedAlgorithm) DeleteNode 

func (h *HivedAlgorithm) DeleteNode(node *core.Node)

func (*HivedAlgorithm) GetAffinityGroup added in v0.2.4 

func (h *HivedAlgorithm) GetAffinityGroup(name string) api.AffinityGroup

func (*HivedAlgorithm) GetAffinityGroups added in v0.2.4 

func (h *HivedAlgorithm) GetAffinityGroups() api.AffinityGroupList

func (*HivedAlgorithm) Schedule 

func (h *HivedAlgorithm) Schedule(pod *core.Pod, suggestedNodes []string) internal.PodScheduleResult

func (*HivedAlgorithm) UpdateNode 

func (h *HivedAlgorithm) UpdateNode(oldNode, newNode *core.Node)

type PhysicalCell 

type PhysicalCell struct {
	GenericCell
	// contains filtered or unexported fields
}

PhysicalCell defines a cell in the physical cluster.

func NewPhysicalCell 

func NewPhysicalCell(c CellChain, l CellLevel, g bool, n int32) *PhysicalCell

func (*PhysicalCell) AddAffinityGroup added in v0.2.0 

func (c *PhysicalCell) AddAffinityGroup(g *AlgoAffinityGroup)

func (*PhysicalCell) DeleteAffinityGroup added in v0.2.0 

func (c *PhysicalCell) DeleteAffinityGroup(g *AlgoAffinityGroup)

func (*PhysicalCell) GetAffinityGroup added in v0.2.0 

func (c *PhysicalCell) GetAffinityGroup() *AlgoAffinityGroup

func (*PhysicalCell) GetName 

func (c *PhysicalCell) GetName() string

func (*PhysicalCell) GetPhysicalPlacement 

func (c *PhysicalCell) GetPhysicalPlacement() ([]string, []int32)

func (*PhysicalCell) GetPhysicalPlacementString 

func (c *PhysicalCell) GetPhysicalPlacementString() string

func (*PhysicalCell) GetPreBoundVirtualCell added in v0.2.0 

func (c *PhysicalCell) GetPreBoundVirtualCell() *VirtualCell

func (*PhysicalCell) GetVirtualCell 

func (c *PhysicalCell) GetVirtualCell() *VirtualCell

func (*PhysicalCell) IsReserved 

func (c *PhysicalCell) IsReserved() bool

func (*PhysicalCell) IsSplit added in v0.2.0 

func (c *PhysicalCell) IsSplit() bool

func (*PhysicalCell) SetPhysicalResources 

func (c *PhysicalCell) SetPhysicalResources(nodes []string, gpuIndices []int32)

func (*PhysicalCell) SetPreBoundVirtualCell added in v0.2.0 

func (c *PhysicalCell) SetPreBoundVirtualCell(vc *VirtualCell)

func (*PhysicalCell) SetReserved 

func (c *PhysicalCell) SetReserved(reserved bool)

func (*PhysicalCell) SetSplit added in v0.2.0 

func (c *PhysicalCell) SetSplit(split bool)

func (*PhysicalCell) SetVirtualCell 

func (c *PhysicalCell) SetVirtualCell(vc *VirtualCell)

type VirtualCell 

type VirtualCell struct {
	GenericCell
	// contains filtered or unexported fields
}

VirtualCell defines a cell in a VC.

func NewVirtualCell 

func NewVirtualCell(vc api.VirtualClusterName,
	c CellChain,
	l CellLevel,
	g bool,
	n int32,
	i int32,
	pac *VirtualCell) *VirtualCell

func (*VirtualCell) GetIndex 

func (c *VirtualCell) GetIndex() int32

func (*VirtualCell) GetName 

func (c *VirtualCell) GetName() string

func (*VirtualCell) GetPhysicalCell 

func (c *VirtualCell) GetPhysicalCell() *PhysicalCell

func (*VirtualCell) GetPreAssignedCell 

func (c *VirtualCell) GetPreAssignedCell() *VirtualCell

func (*VirtualCell) GetPreBoundPhysicalCell added in v0.2.0 

func (c *VirtualCell) GetPreBoundPhysicalCell() *PhysicalCell

func (*VirtualCell) SetIndex 

func (c *VirtualCell) SetIndex(i int32)

func (*VirtualCell) SetPhysicalCell 

func (c *VirtualCell) SetPhysicalCell(pc *PhysicalCell)

func (*VirtualCell) SetPreAssignedCell 

func (c *VirtualCell) SetPreAssignedCell(vc *VirtualCell)

func (*VirtualCell) SetPreBoundPhysicalCell added in v0.2.0 

func (c *VirtualCell) SetPreBoundPhysicalCell(pc *PhysicalCell)

func (*VirtualCell) SetReservation 

func (c *VirtualCell) SetReservation(rid api.ReservationId)

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