/
benchmarks_path_test.go
119 lines (94 loc) · 44.8 KB
/
benchmarks_path_test.go
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package geo_test
import (
"encoding/json"
"testing"
geo "github.com/paulmach/go.geo"
)
func BenchmarkPathDistanceFrom(b *testing.B) {
basePath := testPath1()
otherPath := testPath2()
points := otherPath.Length()
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
basePath.DistanceFrom(otherPath.GetAt(i % points))
}
}
func BenchmarkPathSquaredDistanceFrom(b *testing.B) {
basePath := testPath1()
otherPath := testPath2()
points := otherPath.Length()
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
basePath.SquaredDistanceFrom(otherPath.GetAt(i % points))
}
}
func BenchmarkPathMeasure(b *testing.B) {
basePath := testPath1()
otherPath := testPath2()
points := otherPath.Length()
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
basePath.Measure(otherPath.GetAt(i % points))
}
}
func BenchmarkPathResampleToMorePoints(b *testing.B) {
path := testPath1()
totalPoints := int(float64(path.Length()) * 1.616)
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
path.Resample(totalPoints)
}
}
func BenchmarkPathResampleToLessPoints(b *testing.B) {
path := testPath1()
totalPoints := int(float64(path.Length()) / 1.616)
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
path.Resample(totalPoints)
}
}
func BenchmarkPathEncode(b *testing.B) {
path := testPath1()
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
path.Encode()
}
}
func BenchmarkPathFromEncoding(b *testing.B) {
path := testPath1()
encoded := path.Encode()
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
geo.NewPathFromEncoding(encoded)
}
}
func testPath1() *geo.Path {
var data [][2]float64
err := json.Unmarshal([]byte(`[[37.844221,-121.949564],[37.84419,-121.949493],[37.844166,-121.949419],[37.844141,-121.949346],[37.844118,-121.949277],[37.844091,-121.949209],[37.844061,-121.949145],[37.844032,-121.949083],[37.844004,-121.94902],[37.843976,-121.948959],[37.843946,-121.948897],[37.843917,-121.948836],[37.843883,-121.948775],[37.843849,-121.948722],[37.843817,-121.948664],[37.843784,-121.948611],[37.843748,-121.948559],[37.843714,-121.948506],[37.843678,-121.948451],[37.843638,-121.948396],[37.843603,-121.948342],[37.843567,-121.948284],[37.843535,-121.948223],[37.843504,-121.948161],[37.84347,-121.948102],[37.843441,-121.948042],[37.843419,-121.94798],[37.843396,-121.947924],[37.84336,-121.947881],[37.843313,-121.947863],[37.843263,-121.947867],[37.843224,-121.947895],[37.84319,-121.947936],[37.843159,-121.947979],[37.843126,-121.948024],[37.843097,-121.948072],[37.843067,-121.948122],[37.843038,-121.948173],[37.843006,-121.94822],[37.842968,-121.948258],[37.842925,-121.948297],[37.842875,-121.948324],[37.842819,-121.948334],[37.842758,-121.948328],[37.842698,-121.948298],[37.842636,-121.948259],[37.842566,-121.948214],[37.842499,-121.948172],[37.842439,-121.948133],[37.842391,-121.948082],[37.842356,-121.948021],[37.842341,-121.947954],[37.842336,-121.94788],[37.842345,-121.947797],[37.842362,-121.947718],[37.842383,-121.947647],[37.84241,-121.947576],[37.842442,-121.947505],[37.842474,-121.947438],[37.842509,-121.947372],[37.842545,-121.947308],[37.842582,-121.947243],[37.842621,-121.947178],[37.842665,-121.947118],[37.842712,-121.947062],[37.842764,-121.947012],[37.842815,-121.946964],[37.842861,-121.946919],[37.842905,-121.94687],[37.842949,-121.946818],[37.842993,-121.946766],[37.843034,-121.94671],[37.843072,-121.946652],[37.843111,-121.946592],[37.843147,-121.94653],[37.843179,-121.946467],[37.843209,-121.946406],[37.843241,-121.946353],[37.843277,-121.946304],[37.843313,-121.94625],[37.843351,-121.946198],[37.843385,-121.946146],[37.843422,-121.946089],[37.843451,-121.946032],[37.843459,-121.945973],[37.843457,-121.945911],[37.84344,-121.945848],[37.843391,-121.945815],[37.843326,-121.945783],[37.843271,-121.945754],[37.843224,-121.945719],[37.843181,-121.94567],[37.843139,-121.945622],[37.843103,-121.945561],[37.843068,-121.945506],[37.843035,-121.945455],[37.843005,-121.945407],[37.842972,-121.945359],[37.842938,-121.945315],[37.842904,-121.945271],[37.842871,-121.945224],[37.842837,-121.945179],[37.842806,-121.945135],[37.842771,-121.945089],[37.842733,-121.945039],[37.842694,-121.944988],[37.842659,-121.944931],[37.842628,-121.944876],[37.842595,-121.944826],[37.842562,-121.944777],[37.842529,-121.944722],[37.842496,-121.944663],[37.842468,-121.944604],[37.842437,-121.944536],[37.842403,-121.944469],[37.842366,-121.944404],[37.842334,-121.94434],[37.842306,-121.94428],[37.842278,-121.94422],[37.842249,-121.94416],[37.842215,-121.944101],[37.842177,-121.944038],[37.842141,-121.943981],[37.842107,-121.943927],[37.842074,-121.94387],[37.842045,-121.943812],[37.842024,-121.943751],[37.842025,-121.943675],[37.842038,-121.943592],[37.842061,-121.943517],[37.842092,-121.943447],[37.84213,-121.943386],[37.84217,-121.943321],[37.842216,-121.943252],[37.842263,-121.94318],[37.842315,-121.943109],[37.842371,-121.94304],[37.842432,-121.942972],[37.842494,-121.942902],[37.842557,-121.942826],[37.842616,-121.94275],[37.842672,-121.942677],[37.842729,-121.942599],[37.842779,-121.942517],[37.842824,-121.942434],[37.842872,-121.942357],[37.842924,-121.94228],[37.842975,-121.942208],[37.843024,-121.942139],[37.843074,-121.942077],[37.843127,-121.942022],[37.843185,-121.941961],[37.84324,-121.941892],[37.843292,-121.941813],[37.843342,-121.941735],[37.843388,-121.941659],[37.843436,-121.941592],[37.843474,-121.941527],[37.843513,-121.941465],[37.843543,-121.941406],[37.84353,-121.941343],[37.84349,-121.941308],[37.843423,-121.941303],[37.843351,-121.941309],[37.843279,-121.941308],[37.843208,-121.94129],[37.843146,-121.941248],[37.843094,-121.941188],[37.843038,-121.941128],[37.843002,-121.941044],[37.842978,-121.940955],[37.842967,-121.94086],[37.842956,-121.940766],[37.842946,-121.940665],[37.842966,-121.940573],[37.842996,-121.940491],[37.843046,-121.940423],[37.84311,-121.940377],[37.843167,-121.940321],[37.843215,-121.940252],[37.843249,-121.940177],[37.843249,-121.940102],[37.843222,-121.940057],[37.843174,-121.940053],[37.843112,-121.940079],[37.843056,-121.940104],[37.842996,-121.940131],[37.842936,-121.940169],[37.84288,-121.940202],[37.842825,-121.940229],[37.842766,-121.940264],[37.842713,-121.940304],[37.842654,-121.94035],[37.842593,-121.940392],[37.842538,-121.940437],[37.842487,-121.940482],[37.842441,-121.940525],[37.842386,-121.940561],[37.842334,-121.940589],[37.842273,-121.940609],[37.842212,-121.940613],[37.842153,-121.940607],[37.842093,-121.940593],[37.842031,-121.94057],[37.841976,-121.940535],[37.841921,-121.940499],[37.841869,-121.940465],[37.841824,-121.940427],[37.841782,-121.940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&data)
if err != nil {
panic(err)
}
p := geo.NewPathFromYXData(data)
path := geo.NewPath()
// this parameter can be used to thin to line to see if worst cases are impacting averages
skip := 5
for i := 0; i < p.Length(); i += skip {
path.Push(p.GetAt(i))
}
return path
}
func testPath2() *geo.Path {
var data [][2]float64
err := json.Unmarshal([]byte(`[[37.844196,-121.949674],[37.844154,-121.949516],[37.844109,-121.949355],[37.844055,-121.949206],[37.844027,-121.949135],[37.843973,-121.949001],[37.843941,-121.94894],[37.843907,-121.948882],[37.843874,-121.948826],[37.843806,-121.948715],[37.843707,-121.948544],[37.843638,-121.948424],[37.843603,-121.948366],[37.843566,-121.948308],[37.843533,-121.948246],[37.843408,-121.947967],[37.843373,-121.947901],[37.843326,-121.94785],[37.843269,-121.94783],[37.843167,-121.947879],[37.843126,-121.947928],[37.84306,-121.948034],[37.843032,-121.948086],[37.842979,-121.948183],[37.842923,-121.948266],[37.842889,-121.9483],[37.842823,-121.948339],[37.842709,-121.948309],[37.842596,-121.948244],[37.842533,-121.948206],[37.842472,-121.948167],[37.842421,-121.948117],[37.842354,-121.947983],[37.842351,-121.947754],[37.84243,-121.947529],[37.842461,-121.947456],[37.842534,-121.947315],[37.842656,-121.947128],[37.842699,-121.947075],[37.842844,-121.946924],[37.842988,-121.946777],[37.843074,-121.946674],[37.843133,-121.946545],[37.843188,-121.946419],[37.843221,-121.946365],[37.843259,-121.946317],[37.843299,-121.946264],[37.843377,-121.946161],[37.843413,-121.946109],[37.843434,-121.945988],[37.84333,-121.945864],[37.843283,-121.94584],[37.843193,-121.945774],[37.84311,-121.945669],[37.843071,-121.945611],[37.843036,-121.945552],[37.842968,-121.945436],[37.842895,-121.945322],[37.842781,-121.945155],[37.842713,-121.945051],[37.842656,-121.944967],[37.842615,-121.9449],[37.842504,-121.94469],[37.84247,-121.944616],[37.842404,-121.944469],[37.842338,-121.944334],[37.842309,-121.944267],[37.842246,-121.944139],[37.842141,-121.943958],[37.842042,-121.943779],[37.842022,-121.943712],[37.842045,-121.94349],[37.842122,-121.943353],[37.842216,-121.943221],[37.842537,-121.942819],[37.84259,-121.942749],[37.842787,-121.942462],[37.842887,-121.942304],[37.843052,-121.942094],[37.843168,-121.941969],[37.843219,-121.941896],[37.843365,-121.941681],[37.843408,-121.941615],[37.843446,-121.941548],[37.843448,-121.941396],[37.843406,-121.941349],[37.843347,-121.941334],[37.843142,-121.941317],[37.843082,-121.941269],[37.842991,-121.941102],[37.842958,-121.941001],[37.842922,-121.940677],[37.842949,-121.940579],[37.842999,-121.940496],[37.843182,-121.940327],[37.843214,-121.940162],[37.843172,-121.9401],[37.843113,-121.940077],[37.843054,-121.940072],[37.842937,-121.940119],[37.842883,-121.940159],[37.842828,-121.940196],[37.842772,-121.940233],[37.842719,-121.940274],[37.842663,-121.940314],[37.842549,-121.940392],[37.842376,-121.940513],[37.842314,-121.940543],[37.84225,-121.940565],[37.842119,-121.940575],[37.842056,-121.940556],[37.841939,-121.940491],[37.841888,-121.940455],[37.841794,-121.94038],[37.841655,-121.940266],[37.841561,-121.940171],[37.841515,-121.940111],[37.841473,-121.940042],[37.841363,-121.939711],[37.841302,-121.93945],[37.841241,-121.939204],[37.841187,-121.939049],[37.841159,-121.938974],[37.841104,-121.938837],[37.841085,-121.938765],[37.84107,-121.938692],[37.84106,-121.938618],[37.841055,-121.938545],[37.841049,-121.938325],[37.841057,-121.938254],[37.841113,-121.938048],[37.841139,-121.937983],[37.841235,-121.937803],[37.841326,-121.9377],[37.841417,-121.9376],[37.841516,-121.93751],[37.841622,-121.937429],[37.841855,-121.937277],[37.841943,-121.937231],[37.841998,-121.937208],[37.842219,-121.937127],[37.842324,-121.937093],[37.842379,-121.937076],[37.84255,-121.937027],[37.842659,-121.936985],[37.842771,-121.936954],[37.84288,-121.93694],[37.842935,-121.93694],[37.842991,-121.936938],[37.843152,-121.936933],[37.843257,-121.93694],[37.84331,-121.936946],[37.843465,-121.93698],[37.84357,-121.937012],[37.843768,-121.937072],[37.843869,-121.937076],[37.843976,-121.937068],[37.844127,-121.937044],[37.844274,-121.937016],[37.844318,-121.937001],[37.844382,-121.936939],[37.844392,-121.936893],[37.844377,-121.936789],[37.844353,-121.936738],[37.844318,-121.936684],[37.84423,-121.936581],[37.844185,-121.93653],[37.844141,-121.93648],[37.843977,-121.936273],[37.843866,-121.936123],[37.843786,-121.936019],[37.843681,-121.935854],[37.843659,-121.935789],[37.843631,-121.935646],[37.843629,-121.935489],[37.843627,-121.935409],[37.843613,-121.935069],[37.843604,-121.934898],[37.843596,-121.934816],[37.843588,-121.934648],[37.843579,-121.934384],[37.843592,-121.934203],[37.843661,-121.934045],[37.843713,-121.933984],[37.84382,-121.933889],[37.843869,-121.933837],[37.843946,-121.933727],[37.843977,-121.933671],[37.844002,-121.933612],[37.844009,-121.933478],[37.843985,-121.933418],[37.843907,-121.933328],[37.843867,-121.933276],[37.843826,-121.933224],[37.843779,-121.933176],[37.843632,-121.933093],[37.843537,-121.933089],[37.84343,-121.933089],[37.843372,-121.933086],[37.843313,-121.933073],[37.8432,-121.933026],[37.843145,-121.932999],[37.843034,-121.932953],[37.842923,-121.932911],[37.842708,-121.932826],[37.842604,-121.932775],[37.842555,-121.93274],[37.842468,-121.932648],[37.842432,-121.932592],[37.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&data)
if err != nil {
panic(err)
}
return geo.NewPathFromYXData(data)
}