go: add plotting capability
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This commit is contained in:
surtur 2022-06-18 05:27:10 +02:00
parent 8ea9e5faf7
commit 5b7c0a16a4
Signed by: wanderer
GPG Key ID: 19CE1EC1D9E0486D
5 changed files with 241 additions and 21 deletions

44
algo/plot.go Normal file

@ -0,0 +1,44 @@
// Copyright 2022 wanderer <a_mirre at utb dot cz>
// SPDX-License-Identifier: GPL-3.0-or-later
package algo
import (
"fmt"
"log"
"git.dotya.ml/wanderer/math-optim/stats"
"gonum.org/v1/plot"
"gonum.org/v1/plot/plotter"
"gonum.org/v1/plot/plotutil"
"gonum.org/v1/plot/vg"
)
func doCombined30Plot(s *stats.FuncStats, dimens uint, filename string) {
p := plot.New()
p.Title.Text = s.BenchName + ", D=" + fmt.Sprint(dimens)
p.X.Label.Text = "Cost function evaluations"
p.Y.Label.Text = "CF value"
for i, v := range s.Solution {
pts := make(plotter.XYs, len(s.Solution[i].Results))
for j := range pts {
pts[j].X = float64(j)
pts[j].Y = v.Results[j]
}
err := plotutil.AddLinePoints(
p,
pts,
)
if err != nil {
log.Fatal(err)
}
}
// Save the plot to a PNG file.
if err := p.Save(8*vg.Inch, 8*vg.Inch, filename); err != nil {
panic(err)
}
}

@ -9,6 +9,7 @@ import (
"os"
"git.dotya.ml/wanderer/math-optim/bench"
"git.dotya.ml/wanderer/math-optim/stats"
"gonum.org/v1/gonum/stat/distuv"
)
@ -79,30 +80,55 @@ func RandomSearch(fes uint) {
log.Fatalln(" random search: fes set to 0, bailing")
}
picPrefix := "res/"
var valsSchwefel []Values
var valsDeJong1st []Values
var valsDeJong2nd []Values
var resultsSchwefel Values
var resultsDeJong1st Values
var resultsDeJong2nd Values
var bestResultsSchwefel []float64
var bestResultsDeJong1st []float64
var bestResultsDeJong2nd []float64
// randomSearchStats stores Stats for all the function/dimension
// combinations for this algo.
var randomSearchStats []stats.Stats
// iterations needed to establish a minimal viable statistical baseline
minIters := 30
//nolint: staticcheck
for _, dimens := range bench.Dimensions {
randomSearchStatXD := &stats.Stats{
Algo: "Random Search",
Dimens: int(dimens),
Iterations: minIters,
Generations: bench.MaxFES,
}
schwefelStats := &stats.FuncStats{BenchName: "Schwefel"}
deJong1stStats := &stats.FuncStats{BenchName: "De Jong 1st"}
deJong2ndStats := &stats.FuncStats{BenchName: "De Jong 2nd"}
randomSearchStatXD.Dimens = int(dimens)
var resultsSchwefel Values
var resultsDeJong1st Values
var resultsDeJong2nd Values
log.Println("dimens:", dimens)
// current iteration is named iter
for iter := 0; iter < minIters; iter++ {
if iter == 29 {
log.Println("iter:", iter, "(last for dimen)")
}
var bestResult float64
for j := 0; j < int(fes); j++ {
@ -116,6 +142,12 @@ func RandomSearch(fes uint) {
valsSchwefel = append(valsSchwefel, v)
resultsSchwefel = append(resultsSchwefel, r)
// collect results after each call to bench function.
schwefelStats.Solution = append(
schwefelStats.Solution,
stats.BenchRound{Iteration: iter, Results: resultsSchwefel},
)
switch j {
// first iteration
case 0:
@ -130,6 +162,13 @@ func RandomSearch(fes uint) {
bestResultsSchwefel = append(bestResultsSchwefel, bestResult)
}
// add schwefel results (for the current dimension) to the stats
// slice.
randomSearchStatXD.BenchFuncStats = append(
randomSearchStatXD.BenchFuncStats,
*schwefelStats,
)
for k := 0; k < int(fes); k++ {
// run De Jong 1st.
v, r := singleRandomSearch(
@ -141,6 +180,12 @@ func RandomSearch(fes uint) {
valsDeJong1st = append(valsDeJong1st, v)
resultsDeJong1st = append(resultsDeJong1st, r)
// collect results after each call to bench function.
deJong1stStats.Solution = append(
deJong1stStats.Solution,
stats.BenchRound{Iteration: iter, Results: resultsDeJong1st},
)
// first iteration or better solution
if k == 0 || r < bestResult {
bestResult = r
@ -149,6 +194,13 @@ func RandomSearch(fes uint) {
bestResultsDeJong1st = append(bestResultsDeJong1st, bestResult)
}
// add De Jong 1st results (for the current dimension) to the stats
// slice.
randomSearchStatXD.BenchFuncStats = append(
randomSearchStatXD.BenchFuncStats,
*deJong1stStats,
)
for l := 0; l < int(fes); l++ {
// run De Jong 2nd.
v, r := singleRandomSearch(
@ -160,6 +212,12 @@ func RandomSearch(fes uint) {
valsDeJong2nd = append(valsDeJong2nd, v)
resultsDeJong2nd = append(resultsDeJong2nd, r)
// collect results after each call to bench function.
deJong2ndStats.Solution = append(
deJong2ndStats.Solution,
stats.BenchRound{Iteration: iter, Results: resultsDeJong2nd},
)
// first iteration or better solution
if l == 0 || r < bestResult {
bestResult = r
@ -167,18 +225,34 @@ func RandomSearch(fes uint) {
bestResultsDeJong2nd = append(bestResultsDeJong2nd, bestResult)
}
// add De Jong 2nd results (for the current dimension) to the stats
// slice.
randomSearchStatXD.BenchFuncStats = append(
randomSearchStatXD.BenchFuncStats,
*deJong2ndStats,
)
// append the stats slice for the current dimension to the (per
// algo) stats slice.
randomSearchStats = append(randomSearchStats, *randomSearchStatXD)
if iter == 29 {
log.Println("do plot")
doCombined30Plot(
schwefelStats,
dimens,
picPrefix+"schw-"+fmt.Sprint(dimens)+"D.png",
)
doCombined30Plot(deJong1stStats,
dimens,
picPrefix+"dj1-"+fmt.Sprint(dimens)+"D.png",
)
doCombined30Plot(deJong2ndStats,
dimens,
picPrefix+"dj2-"+fmt.Sprint(dimens)+"D.png",
)
}
}
}
fmt.Fprintln(os.Stderr, "vals schw len", len(valsSchwefel))
fmt.Fprintln(os.Stderr, "vals dj1 len", len(valsDeJong1st))
fmt.Fprintln(os.Stderr, "vals dj2 len", len(valsDeJong2nd))
fmt.Fprintln(os.Stderr, "res schw len", len(resultsSchwefel))
fmt.Fprintln(os.Stderr, "res dj1 len", len(resultsDeJong1st))
fmt.Fprintln(os.Stderr, "res dj2 len", len(resultsDeJong2nd))
fmt.Fprintln(os.Stderr, "best res schw len", len(bestResultsSchwefel))
fmt.Fprintln(os.Stderr, "best res dj1 len", len(bestResultsDeJong1st))
fmt.Fprintln(os.Stderr, "best res dj2 len", len(bestResultsDeJong2nd))
}

@ -80,7 +80,7 @@
modSha256 = lib.fakeSha256;
# dont't forget to update vendorSha256 whenever go.mod or go.sum change
vendorSha256 = "sha256-NpZWn2yASg7HXr4sG849QSgUetouj8qjwS+p5jhlum0=";
vendorSha256 = "sha256-JNvU72sb0m5bvKz/D6VAGsQiPh2lKt7N2DuhaOp6XA4=";
# In 'nix develop', we don't need a copy of the source tree
# in the Nix store.

17
go.mod

@ -2,6 +2,19 @@ module git.dotya.ml/wanderer/math-optim
go 1.18
require gonum.org/v1/gonum v0.11.0
require (
gonum.org/v1/gonum v0.11.0
gonum.org/v1/plot v0.10.1
)
require golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3 // indirect
require (
git.sr.ht/~sbinet/gg v0.3.1 // indirect
github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b // indirect
github.com/go-fonts/liberation v0.2.0 // indirect
github.com/go-latex/latex v0.0.0-20210823091927-c0d11ff05a81 // indirect
github.com/go-pdf/fpdf v0.6.0 // indirect
github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3 // indirect
golang.org/x/image v0.0.0-20220302094943-723b81ca9867 // indirect
golang.org/x/text v0.3.7 // indirect
)

89
go.sum

@ -1,23 +1,112 @@
dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
gioui.org v0.0.0-20210308172011-57750fc8a0a6/go.mod h1:RSH6KIUZ0p2xy5zHDxgAM4zumjgTw83q2ge/PI+yyw8=
git.sr.ht/~sbinet/gg v0.3.1 h1:LNhjNn8DerC8f9DHLz6lS0YYul/b602DUxDgGkd/Aik=
git.sr.ht/~sbinet/gg v0.3.1/go.mod h1:KGYtlADtqsqANL9ueOFkWymvzUvLMQllU5Ixo+8v3pc=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
github.com/ajstarks/deck v0.0.0-20200831202436-30c9fc6549a9/go.mod h1:JynElWSGnm/4RlzPXRlREEwqTHAN3T56Bv2ITsFT3gY=
github.com/ajstarks/deck/generate v0.0.0-20210309230005-c3f852c02e19/go.mod h1:T13YZdzov6OU0A1+RfKZiZN9ca6VeKdBdyDV+BY97Tk=
github.com/ajstarks/svgo v0.0.0-20180226025133-644b8db467af/go.mod h1:K08gAheRH3/J6wwsYMMT4xOr94bZjxIelGM0+d/wbFw=
github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b h1:slYM766cy2nI3BwyRiyQj/Ud48djTMtMebDqepE95rw=
github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b/go.mod h1:1KcenG0jGWcpt8ov532z81sp/kMMUG485J2InIOyADM=
github.com/boombuler/barcode v1.0.0/go.mod h1:paBWMcWSl3LHKBqUq+rly7CNSldXjb2rDl3JlRe0mD8=
github.com/boombuler/barcode v1.0.1/go.mod h1:paBWMcWSl3LHKBqUq+rly7CNSldXjb2rDl3JlRe0mD8=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/fogleman/gg v1.2.1-0.20190220221249-0403632d5b90/go.mod h1:R/bRT+9gY/C5z7JzPU0zXsXHKM4/ayA+zqcVNZzPa1k=
github.com/fogleman/gg v1.3.0/go.mod h1:R/bRT+9gY/C5z7JzPU0zXsXHKM4/ayA+zqcVNZzPa1k=
github.com/go-fonts/dejavu v0.1.0 h1:JSajPXURYqpr+Cu8U9bt8K+XcACIHWqWrvWCKyeFmVQ=
github.com/go-fonts/dejavu v0.1.0/go.mod h1:4Wt4I4OU2Nq9asgDCteaAaWZOV24E+0/Pwo0gppep4g=
github.com/go-fonts/latin-modern v0.2.0 h1:5/Tv1Ek/QCr20C6ZOz15vw3g7GELYL98KWr8Hgo+3vk=
github.com/go-fonts/latin-modern v0.2.0/go.mod h1:rQVLdDMK+mK1xscDwsqM5J8U2jrRa3T0ecnM9pNujks=
github.com/go-fonts/liberation v0.1.1/go.mod h1:K6qoJYypsmfVjWg8KOVDQhLc8UDgIK2HYqyqAO9z7GY=
github.com/go-fonts/liberation v0.2.0 h1:jAkAWJP4S+OsrPLZM4/eC9iW7CtHy+HBXrEwZXWo5VM=
github.com/go-fonts/liberation v0.2.0/go.mod h1:K6qoJYypsmfVjWg8KOVDQhLc8UDgIK2HYqyqAO9z7GY=
github.com/go-fonts/stix v0.1.0/go.mod h1:w/c1f0ldAUlJmLBvlbkvVXLAD+tAMqobIIQpmnUIzUY=
github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
github.com/go-latex/latex v0.0.0-20210118124228-b3d85cf34e07/go.mod h1:CO1AlKB2CSIqUrmQPqA0gdRIlnLEY0gK5JGjh37zN5U=
github.com/go-latex/latex v0.0.0-20210823091927-c0d11ff05a81 h1:6zl3BbBhdnMkpSj2YY30qV3gDcVBGtFgVsV3+/i+mKQ=
github.com/go-latex/latex v0.0.0-20210823091927-c0d11ff05a81/go.mod h1:SX0U8uGpxhq9o2S/CELCSUxEWWAuoCUcVCQWv7G2OCk=
github.com/go-pdf/fpdf v0.5.0/go.mod h1:HzcnA+A23uwogo0tp9yU+l3V+KXhiESpt1PMayhOh5M=
github.com/go-pdf/fpdf v0.6.0 h1:MlgtGIfsdMEEQJr2le6b/HNr1ZlQwxyWr77r2aj2U/8=
github.com/go-pdf/fpdf v0.6.0/go.mod h1:HzcnA+A23uwogo0tp9yU+l3V+KXhiESpt1PMayhOh5M=
github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 h1:DACJavvAHhabrF08vX0COfcOBJRhZ8lUbR+ZWIs0Y5g=
github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k=
github.com/jung-kurt/gofpdf v1.0.0/go.mod h1:7Id9E/uU8ce6rXgefFLlgrJj/GYY22cpxn+r32jIOes=
github.com/jung-kurt/gofpdf v1.0.3-0.20190309125859-24315acbbda5/go.mod h1:7Id9E/uU8ce6rXgefFLlgrJj/GYY22cpxn+r32jIOes=
github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
github.com/phpdave11/gofpdf v1.4.2/go.mod h1:zpO6xFn9yxo3YLyMvW8HcKWVdbNqgIfOOp2dXMnm1mY=
github.com/phpdave11/gofpdi v1.0.12/go.mod h1:vBmVV0Do6hSBHC8uKUQ71JGW+ZGQq74llk/7bXwjDoI=
github.com/phpdave11/gofpdi v1.0.13/go.mod h1:vBmVV0Do6hSBHC8uKUQ71JGW+ZGQq74llk/7bXwjDoI=
github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/ruudk/golang-pdf417 v0.0.0-20181029194003-1af4ab5afa58/go.mod h1:6lfFZQK844Gfx8o5WFuvpxWRwnSoipWe/p622j1v06w=
github.com/ruudk/golang-pdf417 v0.0.0-20201230142125-a7e3863a1245/go.mod h1:pQAZKsJ8yyVxGRWYNEm9oFB8ieLgKFnamEyDmSA0BRk=
github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/exp v0.0.0-20180321215751-8460e604b9de/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20180807140117-3d87b88a115f/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20190125153040-c74c464bbbf2/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3 h1:n9HxLrNxWWtEb1cA950nuEEj3QnKbtsCJ6KjcgisNUs=
golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3/go.mod h1:NOZ3BPKG0ec/BKJQgnvsSFpcKLM5xXVWnvZS97DWHgE=
golang.org/x/image v0.0.0-20180708004352-c73c2afc3b81/go.mod h1:ux5Hcp/YLpHSI86hEcLt0YII63i6oz57MZXIpbrjZUs=
golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/image v0.0.0-20190910094157-69e4b8554b2a/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/image v0.0.0-20200119044424-58c23975cae1/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/image v0.0.0-20200430140353-33d19683fad8/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/image v0.0.0-20200618115811-c13761719519/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/image v0.0.0-20201208152932-35266b937fa6/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/image v0.0.0-20210216034530-4410531fe030/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/image v0.0.0-20210607152325-775e3b0c77b9/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20210628002857-a66eb6448b8d/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20211028202545-6944b10bf410/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20220302094943-723b81ca9867 h1:TcHcE0vrmgzNH1v3ppjcMGbhG5+9fMuvOmUYwNEF4q4=
golang.org/x/image v0.0.0-20220302094943-723b81ca9867/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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