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main.go
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main.go
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package main
import (
"fmt"
"github.com/dgryski/go-tsz"
"github.com/dgryski/go-tsz/testdata"
"math"
"math/rand"
"os"
"text/tabwriter"
)
// collection of 24h worth of minutely points, with different characteristics.
var ConstantZero = make([]testdata.Point, 60*24)
var ConstantOne = make([]testdata.Point, 60*24)
var ConstantPos3f = make([]testdata.Point, 60*24)
var ConstantNeg3f = make([]testdata.Point, 60*24)
var ConstantPos0f = make([]testdata.Point, 60*24)
var ConstantNeg0f = make([]testdata.Point, 60*24)
var ConstantNearMaxf = make([]testdata.Point, 60*24)
var ConstantNearMinf = make([]testdata.Point, 60*24)
var ConstantNearMax0f = make([]testdata.Point, 60*24)
var ConstantNearMin0f = make([]testdata.Point, 60*24)
var Batch100ZeroOne = make([]testdata.Point, 60*24)
var FlappingZeroOne = make([]testdata.Point, 60*24)
var RandomTinyPosf = make([]testdata.Point, 60*24)
var RandomTinyf = make([]testdata.Point, 60*24)
var RandomTinyPos2f = make([]testdata.Point, 60*24)
var RandomTiny2f = make([]testdata.Point, 60*24)
var RandomTinyPos1f = make([]testdata.Point, 60*24)
var RandomTiny1f = make([]testdata.Point, 60*24)
var RandomTinyPos0f = make([]testdata.Point, 60*24)
var RandomTiny0f = make([]testdata.Point, 60*24)
var RandomSmallPosf = make([]testdata.Point, 60*24)
var RandomSmallf = make([]testdata.Point, 60*24)
var RandomSmallPos2f = make([]testdata.Point, 60*24)
var RandomSmall2f = make([]testdata.Point, 60*24)
var RandomSmallPos1f = make([]testdata.Point, 60*24)
var RandomSmall1f = make([]testdata.Point, 60*24)
var RandomSmallPos0f = make([]testdata.Point, 60*24)
var RandomSmall0f = make([]testdata.Point, 60*24)
var Random60kPosf = make([]testdata.Point, 60*24)
var Random60kf = make([]testdata.Point, 60*24)
var Random60kPos2f = make([]testdata.Point, 60*24)
var Random60k2f = make([]testdata.Point, 60*24)
var Random60kPos1f = make([]testdata.Point, 60*24)
var Random60k1f = make([]testdata.Point, 60*24)
var Random60kPos0f = make([]testdata.Point, 60*24)
var Random60k0f = make([]testdata.Point, 60*24)
var SmallTestDataPosf = make([]testdata.Point, 60*24)
var SmallTestDataf = make([]testdata.Point, 60*24)
var SmallTestDataPos0f = make([]testdata.Point, 60*24)
var SmallTestData0f = make([]testdata.Point, 60*24)
var RandomLargePosf = make([]testdata.Point, 60*24)
var RandomLargef = make([]testdata.Point, 60*24)
var RandomLargePos0f = make([]testdata.Point, 60*24)
var RandomLarge0f = make([]testdata.Point, 60*24)
var LargeTestDataPosf = make([]testdata.Point, 60*24)
var LargeTestDataPos0f = make([]testdata.Point, 60*24)
var LargeTestDataf = make([]testdata.Point, 60*24)
var LargeTestData0f = make([]testdata.Point, 60*24)
func main() {
for i := 0; i < 60*24; i++ {
ts := uint64(i * 60)
ConstantZero[i] = testdata.Point{float64(0), ts}
ConstantOne[i] = testdata.Point{float64(1), ts}
ConstantPos3f[i] = testdata.Point{float64(1234.567), ts}
ConstantNeg3f[i] = testdata.Point{float64(-1234.567), ts}
ConstantPos0f[i] = testdata.Point{float64(1234), ts}
ConstantNeg0f[i] = testdata.Point{float64(-1235), ts}
ConstantNearMaxf[i] = testdata.Point{math.MaxFloat64 / 100, ts}
ConstantNearMinf[i] = testdata.Point{-math.MaxFloat64 / 100, ts}
ConstantNearMax0f[i] = testdata.Point{math.Floor(ConstantNearMaxf[i].V), ts}
ConstantNearMin0f[i] = testdata.Point{math.Floor(ConstantNearMinf[i].V), ts}
if i%200 < 100 {
Batch100ZeroOne[i] = testdata.Point{float64(0), ts}
} else {
Batch100ZeroOne[i] = testdata.Point{float64(1), ts}
}
if i%2 == 0 {
FlappingZeroOne[i] = testdata.Point{float64(0), ts}
} else {
FlappingZeroOne[i] = testdata.Point{float64(1), ts}
}
RandomTinyPosf[i] = testdata.Point{rand.ExpFloat64(), ts} // 0-inf, but most vals are very low, mostly between 0 and 2, rarely goes over 10
RandomTinyf[i] = testdata.Point{rand.NormFloat64(), ts} // -inf to + inf, as many pos as neg, but similar as above, rarely goes under -10 or over +10
RandomTinyPos2f[i] = testdata.Point{RoundNum(RandomTinyPosf[i].V, 2), ts}
RandomTiny2f[i] = testdata.Point{RoundNum(RandomTinyf[i].V, 2), ts}
RandomTinyPos1f[i] = testdata.Point{RoundNum(RandomTinyPosf[i].V, 1), ts}
RandomTiny1f[i] = testdata.Point{RoundNum(RandomTinyf[i].V, 1), ts}
RandomTinyPos0f[i] = testdata.Point{math.Floor(RandomTinyPosf[i].V), ts}
RandomTiny0f[i] = testdata.Point{math.Floor(RandomTinyf[i].V), ts}
RandomSmallPosf[i] = testdata.Point{RandomTinyPosf[i].V * 100, ts} // 0-inf, but most vals are very low, mostly between 0 and 200, rarely goes over 1000
RandomSmallf[i] = testdata.Point{RandomTinyf[i].V * 100, ts} // -inf to + inf, as many pos as neg, but similar as above, rarely goes under -1000 or over +1000
RandomSmallPos2f[i] = testdata.Point{RoundNum(RandomSmallPosf[i].V, 2), ts}
RandomSmall2f[i] = testdata.Point{RoundNum(RandomSmallf[i].V, 2), ts}
RandomSmallPos1f[i] = testdata.Point{RoundNum(RandomSmallPosf[i].V, 1), ts}
RandomSmall1f[i] = testdata.Point{RoundNum(RandomSmallf[i].V, 1), ts}
RandomSmallPos0f[i] = testdata.Point{math.Floor(RandomSmallPosf[i].V), ts}
RandomSmall0f[i] = testdata.Point{math.Floor(RandomSmallf[i].V), ts}
Random60kPosf[i] = testdata.Point{rand.Float64() * 60000, ts}
Random60kf[i] = testdata.Point{Random60kPosf[i].V, ts}
if rand.Int()%2 == 0 {
Random60kf[i].V *= -1.0
}
Random60kPos2f[i] = testdata.Point{RoundNum(Random60kPosf[i].V, 2), ts}
Random60k2f[i] = testdata.Point{RoundNum(Random60kf[i].V, 2), ts}
Random60kPos1f[i] = testdata.Point{RoundNum(Random60kPosf[i].V, 1), ts}
Random60k1f[i] = testdata.Point{RoundNum(Random60kf[i].V, 1), ts}
Random60kPos0f[i] = testdata.Point{math.Floor(Random60kPosf[i].V), ts}
Random60k0f[i] = testdata.Point{math.Floor(Random60kf[i].V), ts}
SmallTestDataPosf[i] = testdata.Point{float64(testdata.TwoHoursData[i%120].V) * 1.234567, ts} // THD is 650-680, so this is 0-150
if rand.Int()%2 == 0 {
SmallTestDataf[i] = testdata.Point{SmallTestDataPosf[i].V, ts} // -150 - 150
} else {
SmallTestDataf[i] = testdata.Point{-1 * SmallTestDataPosf[i].V, ts}
}
SmallTestDataPos0f[i] = testdata.Point{math.Floor(SmallTestDataPosf[i].V), ts} // 0-150
SmallTestData0f[i] = testdata.Point{math.Floor(SmallTestDataf[i].V), ts} // -150 - 150
RandomLargePosf[i] = testdata.Point{rand.ExpFloat64() * 0.0001 * math.MaxFloat64, ts} // 0-inf, rarely goes over maxfloat/1000
RandomLargef[i] = testdata.Point{rand.NormFloat64() * 0.0001 * math.MaxFloat64, ts} // same buth also negative
RandomLargePos0f[i] = testdata.Point{math.Floor(RandomLargePosf[i].V), ts}
RandomLarge0f[i] = testdata.Point{math.Floor(RandomLargef[i].V), ts}
LargeTestDataPosf[i] = testdata.Point{float64(testdata.TwoHoursData[i%120].V) * 0.00001234567 * math.MaxFloat64, ts} // 0-maxfloat/1000
if rand.Int()%2 == 0 {
LargeTestDataf[i] = testdata.Point{LargeTestDataPosf[i].V, ts} // -maxfloat/1000 ~maxfloat/1000
} else {
LargeTestDataf[i] = testdata.Point{-1 * LargeTestDataPosf[i].V, ts}
}
LargeTestDataPos0f[i] = testdata.Point{math.Floor(LargeTestDataPosf[i].V), ts} // 0-maxfloat/1000
LargeTestData0f[i] = testdata.Point{math.Floor(LargeTestDataf[i].V), ts} // -mf/1000 ~ mx/1000
}
intervals := []int{10, 30, 60, 120, 360, 720, 1440}
do := func(data []testdata.Point, comment string) string {
str := ""
for _, points := range intervals {
s := tsz.New(data[0].T)
for _, tt := range data[0:points] {
s.Push(tt.T, tt.V)
}
size := len(s.Bytes())
BPerPoint := float64(size) / float64(points)
str += fmt.Sprintf("\033[31m%d\033[39m\t%.2f\t", size, BPerPoint)
}
str += comment + "\t"
return str
}
w := new(tabwriter.Writer)
w.Init(os.Stdout, 5, 0, 1, ' ', tabwriter.AlignRight)
fmt.Println("=== help ===")
fmt.Println("CS = chunk size in Bytes")
fmt.Println("BPP = Bytes per point (CS/num-points)")
fmt.Println("d = integers stored as float64")
fmt.Println("f = float64's with a bunch of decimal numbers")
fmt.Println(".Xf = float64's with X decimal numbers")
fmt.Println("[num1] a - b [num2]: a range between a and b with the occasional outliers up to num1 and num2")
fmt.Println("=== data ===")
str := "test"
for _, points := range intervals {
str += fmt.Sprintf("\t \033[39m%dCS\033[39m\t%dBPP", points, points)
}
cmtTinyPos := "0 ~ 10 [inf]"
cmtTinyPosNeg := "[-inf] -10 ~ 10 [inf]"
cmtSmallPos := "0 ~ 1000 [inf]"
cmtSmallPosNeg := "[-inf] -1000 ~ 1000 [inf]"
cmt60kPos := "0 ~60k"
cmt60kPosNeg := "-60k ~ 60k"
cmtSmallTestPos := "0~150"
cmtSmallTestPosNeg := "-150~150"
cmtRandomLargePos := "0 ~ MaxFloat64/1000 [inf]"
cmtRandomLargePosNeg := "[-inf] -MaxFloat64/1000 ~ MaxFloat64/1000 [inf]"
cmtLargeTestPos := "0 ~ MaxFloat64/1000"
cmtLargeTestPosNeg := "-MaxFloat64/1000 ~ MaxFloat64/1000"
fmt.Fprintln(w, str+"\tcomment\t")
fmt.Fprintln(w, "constant zero d\t"+do(ConstantZero, ""))
fmt.Fprintln(w, "constant one d\t"+do(ConstantOne, ""))
fmt.Fprintln(w, "constant pos .3f\t"+do(ConstantPos3f, ""))
fmt.Fprintln(w, "constant neg .3f\t"+do(ConstantNeg3f, ""))
fmt.Fprintln(w, "constant pos .0f\t"+do(ConstantPos0f, ""))
fmt.Fprintln(w, "constant neg .0f\t"+do(ConstantNeg0f, ""))
fmt.Fprintln(w, "constant nearmax f\t"+do(ConstantNearMaxf, ""))
fmt.Fprintln(w, "constant nearmin f\t"+do(ConstantNearMinf, ""))
fmt.Fprintln(w, "constant nearmax .0f\t"+do(ConstantNearMax0f, ""))
fmt.Fprintln(w, "constant nearmin .0f\t"+do(ConstantNearMin0f, ""))
fmt.Fprintln(w, "batch100 zero/one d\t"+do(Batch100ZeroOne, ""))
fmt.Fprintln(w, "flapping zero/one d\t"+do(FlappingZeroOne, ""))
fmt.Fprintln(w, "\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t")
fmt.Fprintln(w, "random tiny pos f\t"+do(RandomTinyPosf, cmtTinyPos))
fmt.Fprintln(w, "random tiny pos/neg f\t"+do(RandomTinyf, cmtTinyPosNeg))
fmt.Fprintln(w, "random tiny pos .2f\t"+do(RandomTinyPos2f, cmtTinyPos))
fmt.Fprintln(w, "random tiny pos/neg .2f\t"+do(RandomTiny2f, cmtTinyPosNeg))
fmt.Fprintln(w, "random tiny pos .1f\t"+do(RandomTinyPos1f, cmtTinyPos))
fmt.Fprintln(w, "random tiny pos/neg .1f\t"+do(RandomTiny1f, cmtTinyPosNeg))
fmt.Fprintln(w, "random tiny pos .0f\t"+do(RandomTinyPos0f, cmtTinyPos))
fmt.Fprintln(w, "random tiny pos/neg .0f\t"+do(RandomTiny0f, cmtTinyPosNeg))
fmt.Fprintln(w, "\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t")
fmt.Fprintln(w, "testdata small pos f\t"+do(SmallTestDataPosf, cmtSmallTestPos))
fmt.Fprintln(w, "testdata small pos/neg f\t"+do(SmallTestDataf, cmtSmallTestPosNeg))
fmt.Fprintln(w, "testdata small pos .0f\t"+do(SmallTestDataPos0f, cmtSmallTestPos))
fmt.Fprintln(w, "testdata small pos/neg .0f\t"+do(SmallTestData0f, cmtSmallTestPosNeg))
fmt.Fprintln(w, "\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t")
fmt.Fprintln(w, "random small pos f\t"+do(RandomSmallPosf, cmtSmallPos))
fmt.Fprintln(w, "random small pos/neg f\t"+do(RandomSmallf, cmtSmallPosNeg))
fmt.Fprintln(w, "random small pos .2f\t"+do(RandomSmallPos2f, cmtSmallPos))
fmt.Fprintln(w, "random small pos/neg .2f\t"+do(RandomSmall2f, cmtSmallPosNeg))
fmt.Fprintln(w, "random small pos .1f\t"+do(RandomSmallPos1f, cmtSmallPos))
fmt.Fprintln(w, "random small pos/neg .1f\t"+do(RandomSmall1f, cmtSmallPosNeg))
fmt.Fprintln(w, "random small pos .0f\t"+do(RandomSmallPos0f, cmtSmallPos))
fmt.Fprintln(w, "random small pos/neg .0f\t"+do(RandomSmall0f, cmtSmallPosNeg))
fmt.Fprintln(w, "\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t")
fmt.Fprintln(w, "random medium pos f\t"+do(Random60kPosf, cmt60kPos))
fmt.Fprintln(w, "random medium pos/neg f\t"+do(Random60kf, cmt60kPosNeg))
fmt.Fprintln(w, "random medium pos .2f\t"+do(Random60kPos2f, cmt60kPos))
fmt.Fprintln(w, "random medium pos/neg .2f\t"+do(Random60k2f, cmt60kPosNeg))
fmt.Fprintln(w, "random medium pos .1f\t"+do(Random60kPos1f, cmt60kPos))
fmt.Fprintln(w, "random medium pos/neg .1f\t"+do(Random60k1f, cmt60kPosNeg))
fmt.Fprintln(w, "random medium pos .0f\t"+do(Random60kPos0f, cmt60kPos))
fmt.Fprintln(w, "random medium pos/neg .0f\t"+do(Random60k0f, cmt60kPosNeg))
fmt.Fprintln(w, "\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t")
fmt.Fprintln(w, "testdata large pos f\t"+do(LargeTestDataPosf, cmtLargeTestPos))
fmt.Fprintln(w, "testdata large pos/neg f\t"+do(LargeTestDataf, cmtLargeTestPosNeg))
fmt.Fprintln(w, "testdata large pos .0f\t"+do(LargeTestDataPos0f, cmtLargeTestPos))
fmt.Fprintln(w, "testdata large pos/neg .0f\t"+do(LargeTestData0f, cmtLargeTestPosNeg))
fmt.Fprintln(w, "\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t")
fmt.Fprintln(w, "random large pos f\t"+do(RandomLargePosf, cmtRandomLargePos))
fmt.Fprintln(w, "random large pos/neg f\t"+do(RandomLargef, cmtRandomLargePosNeg))
fmt.Fprintln(w, "random large pos .0f\t"+do(RandomLargePos0f, cmtRandomLargePos))
fmt.Fprintln(w, "random large pos/neg .0f\t"+do(RandomLarge0f, cmtRandomLargePosNeg))
w.Flush()
}