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crush_bench_test.go
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crush_bench_test.go
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package gocrush
import (
"math/rand"
"strconv"
"testing"
)
func BenchmarkCrushStraw(b *testing.B) {
b.StopTimer()
tree := makeBenchStrawTree()
r := rand.New(rand.NewSource(544564))
b.StartTimer()
for x := 0; x < b.N; x++ {
Select(tree, r.Int63(), 3, NODE, nil)
}
b.StopTimer()
}
func BenchmarkCrushTree(b *testing.B) {
b.StopTimer()
r := rand.New(rand.NewSource(544564))
tree := makeBenchTreeTree()
b.StartTimer()
for x := 0; x < b.N; x++ {
Select(tree, r.Int63(), 3, NODE, nil)
}
b.StopTimer()
}
func makeBenchStrawTree() *TestingNode {
var parent = new(TestingNode)
parent.Id = "ROOT"
parent.Type = ROOT
parent.Weight = 0
parent.Children = make([]Node, 5)
for dc := 0; dc < 5; dc++ {
var dcNode = new(TestingNode)
dcNode.Parent = parent
dcNode.Weight = 1
dcNode.Type = DATA_CENTER
dcNode.Id = parent.Id + ":DataCenter" + strconv.Itoa(dc)
dcNode.Children = make([]Node, 50)
parent.Children[dc] = dcNode
for rk := 0; rk < 50; rk++ {
var rkNode = new(TestingNode)
rkNode.Parent = dcNode
rkNode.Type = RACK
rkNode.Weight = 1
rkNode.Id = dcNode.Id + ":Rack" + strconv.Itoa(rk)
rkNode.Children = make([]Node, 5000)
dcNode.Children[rk] = rkNode
for nd := 0; nd < 5000; nd++ {
var ndNode = new(TestingNode)
ndNode.Parent = rkNode
ndNode.Type = NODE
ndNode.Weight = 1
ndNode.Id = rkNode.Id + ":Node" + strconv.Itoa(nd)
ndNode.Children = make([]Node, 2)
rkNode.Children[nd] = ndNode
for dsk := 0; dsk < 2; dsk++ {
var dskNode = new(TestingNode)
dskNode.Parent = ndNode
dskNode.Type = DISK
dskNode.Weight = 1
dskNode.Id = ndNode.Id + ":Disk" + strconv.Itoa(dsk)
dskNode.Selector = NewStrawSelector(dskNode)
ndNode.Children[dsk] = dskNode
}
ndNode.Selector = NewStrawSelector(ndNode)
}
rkNode.Selector = NewStrawSelector(rkNode)
}
dcNode.Selector = NewStrawSelector(dcNode)
}
parent.Selector = NewStrawSelector(parent)
return parent
}
func makeBenchSimpleStrawTree() *TestingNode {
var parent = new(TestingNode)
parent.Id = "ROOT"
parent.Type = ROOT
parent.Weight = 0
parent.Children = make([]Node, 1)
for dc := 0; dc < 1; dc++ {
var dcNode = new(TestingNode)
dcNode.Parent = parent
dcNode.Weight = 1
dcNode.Type = DATA_CENTER
dcNode.Id = parent.Id + ":DataCenter" + strconv.Itoa(dc)
dcNode.Children = make([]Node, 1)
parent.Children[dc] = dcNode
for rk := 0; rk < 1; rk++ {
var rkNode = new(TestingNode)
rkNode.Parent = dcNode
rkNode.Type = RACK
rkNode.Weight = 1
rkNode.Id = dcNode.Id + ":Rack" + strconv.Itoa(rk)
rkNode.Children = make([]Node, 3)
dcNode.Children[rk] = rkNode
for nd := 0; nd < 3; nd++ {
var ndNode = new(TestingNode)
ndNode.Parent = rkNode
ndNode.Type = NODE
ndNode.Weight = 1
ndNode.Id = rkNode.Id + ":Node" + strconv.Itoa(nd)
ndNode.Children = make([]Node, 1)
rkNode.Children[nd] = ndNode
for dsk := 0; dsk < 1; dsk++ {
var dskNode = new(TestingNode)
dskNode.Parent = ndNode
dskNode.Type = DISK
dskNode.Weight = 1
dskNode.Id = ndNode.Id + ":Disk" + strconv.Itoa(dsk)
dskNode.Selector = NewStrawSelector(dskNode)
ndNode.Children[dsk] = dskNode
}
ndNode.Selector = NewStrawSelector(ndNode)
}
rkNode.Selector = NewStrawSelector(rkNode)
}
dcNode.Selector = NewStrawSelector(dcNode)
}
parent.Selector = NewStrawSelector(parent)
return parent
}
func makeBenchTreeTree() *TestingNode {
var parent = new(TestingNode)
parent.Id = "ROOT"
parent.Type = ROOT
parent.Weight = 0
parent.Children = make([]Node, 5)
for dc := 0; dc < 5; dc++ {
var dcNode = new(TestingNode)
dcNode.Parent = parent
dcNode.Weight = 1
dcNode.Type = DATA_CENTER
dcNode.Id = parent.Id + ":DataCenter" + strconv.Itoa(dc)
dcNode.Children = make([]Node, 50)
parent.Children[dc] = dcNode
for rk := 0; rk < 50; rk++ {
var rkNode = new(TestingNode)
rkNode.Parent = dcNode
rkNode.Type = RACK
rkNode.Weight = 1
rkNode.Id = dcNode.Id + ":Rack" + strconv.Itoa(rk)
rkNode.Children = make([]Node, 5000)
dcNode.Children[rk] = rkNode
for nd := 0; nd < 5000; nd++ {
var ndNode = new(TestingNode)
ndNode.Parent = rkNode
ndNode.Type = NODE
ndNode.Weight = 1
ndNode.Id = rkNode.Id + ":Node" + strconv.Itoa(nd)
ndNode.Children = make([]Node, 2)
rkNode.Children[nd] = ndNode
for dsk := 0; dsk < 2; dsk++ {
var dskNode = new(TestingNode)
dskNode.Parent = ndNode
dskNode.Type = DISK
dskNode.Weight = 1
dskNode.Id = ndNode.Id + ":Disk" + strconv.Itoa(dsk)
dskNode.Selector = NewTreeSelector(dskNode)
ndNode.Children[dsk] = dskNode
}
ndNode.Selector = NewTreeSelector(ndNode)
}
rkNode.Selector = NewTreeSelector(rkNode)
}
dcNode.Selector = NewTreeSelector(dcNode)
}
parent.Selector = NewTreeSelector(parent)
return parent
}
func makeBenchSimpleTreeTree() *TestingNode {
var parent = new(TestingNode)
parent.Id = "ROOT"
parent.Type = ROOT
parent.Weight = 0
parent.Children = make([]Node, 1)
for dc := 0; dc < 1; dc++ {
var dcNode = new(TestingNode)
dcNode.Parent = parent
dcNode.Weight = 1
dcNode.Type = DATA_CENTER
dcNode.Id = parent.Id + ":DataCenter" + strconv.Itoa(dc)
dcNode.Children = make([]Node, 1)
parent.Children[dc] = dcNode
for rk := 0; rk < 1; rk++ {
var rkNode = new(TestingNode)
rkNode.Parent = dcNode
rkNode.Type = RACK
rkNode.Weight = 1
rkNode.Id = dcNode.Id + ":Rack" + strconv.Itoa(rk)
rkNode.Children = make([]Node, 3)
dcNode.Children[rk] = rkNode
for nd := 0; nd < 3; nd++ {
var ndNode = new(TestingNode)
ndNode.Parent = rkNode
ndNode.Type = NODE
ndNode.Weight = 1
ndNode.Id = rkNode.Id + ":Node" + strconv.Itoa(nd)
ndNode.Children = make([]Node, 1)
rkNode.Children[nd] = ndNode
for dsk := 0; dsk < 1; dsk++ {
var dskNode = new(TestingNode)
dskNode.Parent = ndNode
dskNode.Type = DISK
dskNode.Weight = 1
dskNode.Id = ndNode.Id + ":Disk" + strconv.Itoa(dsk)
dskNode.Selector = NewTreeSelector(dskNode)
ndNode.Children[dsk] = dskNode
}
ndNode.Selector = NewTreeSelector(ndNode)
}
rkNode.Selector = NewTreeSelector(rkNode)
}
dcNode.Selector = NewTreeSelector(dcNode)
}
parent.Selector = NewTreeSelector(parent)
return parent
}