func main() {
tests := []*Test{}
// if file, err := os.Open("results.txt"); err != nil {
if file, err := os.Stdin, error(nil); err != nil {
log.Fatal(err)
} else {
scanner := bufio.NewScanner(file)
for scanner.Scan() {
test, err := ParseLine(scanner.Text())
if err != nil {
continue
}
test.Calculate()
tests = append(tests, test)
}
}
if len(tests) == 0 {
log.Fatal("No tests found.")
}
if plt, err := plot.New(); err != nil {
log.Fatal(err)
} else {
for i, test := range tests {
xys := test.ToXY(100000.0)
line, err := plotter.NewLine(xys)
if err != nil {
log.Fatal(err)
}
line.Color, line.Dashes = plotutil.Color(i), plotutil.Dashes(0)
plt.Add(line)
{
name := fmt.Sprintf("%s (%d)", test.Name, int(test.Stats.Mean/100000))
plt.Legend.Add(name, line)
}
}
// plt.Legend.Font.Size = vg.Inches(plt.Legend.Font.Size * 0.75)
plt.Legend.Font.Size *= 0.65
plt.Legend.Top = true
plt.Legend.Left = true
// plt.Legend.YOffs = vg.Inches(-1.12)
// plt.Legend.XOffs = vg.Inches(1)
plt.HideX()
// plt.X.Padding = 20
plt.Y.Min = 0
plt.Y.Max = 1600
plt.Title.Text = fmt.Sprintf("Speed Test (averaged over %d runs and %d tests)", 100000, 100)
plt.Y.Label.Text = "Cycles"
plt.Save(6, 4, "number-parse.svg")
}
}
// Add colored line to chart
func InfoAddLinePoints(plt *plot.Plot, color int, vs ...interface{}) error {
var ps []plot.Plotter
names := make(map[[2]plot.Thumbnailer]string)
name := ""
var i int = color
for _, v := range vs {
switch t := v.(type) {
case string:
name = t
case plotter.XYer:
l, s, err := plotter.NewLinePoints(t)
if err != nil {
return err
}
l.Color = plotutil.Color(i)
l.Dashes = plotutil.Dashes(i)
s.Color = plotutil.Color(i)
s.Shape = plotutil.Shape(i)
i++
ps = append(ps, l, s)
if name != "" {
names[[2]plot.Thumbnailer{l, s}] = name
name = ""
}
default:
panic(fmt.Sprintf("AddLinePoints handles strings and plotter.XYers, got %T", t))
}
}
plt.Add(ps...)
for ps, n := range names {
plt.Legend.Add(n, ps[0], ps[1])
}
return nil
}
func plotBehind(sp *raw.SpicePlot, scale_vector *raw.SpiceVector, typemap map[string][]*raw.SpiceVector) PlotMap {
m := findMultiplicity(scale_vector.Data)
c := int(sp.NPoints) / m
plots := PlotMap{}
for vector_type, vectors := range typemap {
plot, err := plot.New()
if err != nil {
log.Fatal(err)
}
for i, vector := range vectors {
xys := SpiceToXY(scale_vector, vector)
for j := 0; j < m; j++ {
line, err := plotter.NewLine(xys[j*c : (j+1)*c])
if err != nil {
log.Fatal(err)
}
line.Color = plotutil.Color(i)
line.Dashes = plotutil.Dashes(0)
plot.Add(line)
// plot.Legend.Add(vector.Name, line)
// plot.Legend.Add(fmt.Sprintf("%s-%d", vector.Name, j), line)
if j == 0 {
plot.Legend.Add(vector.Name, line)
}
}
// xys := SpiceToXY(scale_vector, vector)
// line, err := plotter.NewLine(xys)
// if err != nil {
// log.Fatal(err)
// }
// line.Color = plotutil.Color(i + 1)
// line.Dashes = plotutil.Dashes(0)
// plot.Add(line)
// plot.Legend.Add(vector.Name, line)
}
plot.Title.Text = sp.Title + ": " + sp.Name
plot.X.Label.Text = scale_vector.Name
plot.Y.Label.Text = vector_type
// plots = append(plots, plot)
plots[vector_type] = plot
}
return plots
}
// Report builds up a plot of the response times of the requests
// in SVG format and writes it to out
func (r *TimingsPlotReporter) Report(out io.Writer) error {
timestamps := make([]time.Time, 0)
timings := make([]time.Duration, 0)
for e := r.responses.Front(); e != nil; e = e.Next() {
r := e.Value.(*result)
timestamps = append(timestamps, r.timestamp)
timings = append(timings, r.timing)
}
p, err := plot.New()
if err != nil {
return err
}
pts := make(plotter.XYs, len(timestamps))
for i := 0; i < len(pts); i++ {
pts[i].X = timestamps[i].Sub(timestamps[0]).Seconds()
pts[i].Y = timings[i].Seconds() * 1000
}
line, err := plotter.NewLine(pts)
if err != nil {
return err
}
line.Color = plotutil.Color(1)
p.Add(line)
p.X.Padding = vg.Length(3.0)
p.X.Label.Text = "Time elapsed"
p.Y.Padding = vg.Length(3.0)
p.Y.Label.Text = "Latency (ms)"
w, h := vg.Millimeters(float64(len(timestamps))), vg.Centimeters(12.0)
canvas := vgsvg.New(w, h)
p.Draw(plot.MakeDrawArea(canvas))
_, err = canvas.WriteTo(out)
return err
}
func boxplot(path string, sets []set) error {
var (
fiveEnds = make([]plotter.Values, len(sets))
threeEnds = make([]plotter.Values, len(sets))
err error
ln int
)
for i := range sets {
fiveEnds[i], err = plotter.CopyValues(&normalised{vals: sets[i].fiveEnd})
if err != nil {
return err
}
threeEnds[i], err = plotter.CopyValues(&normalised{vals: sets[i].threeEnd})
if err != nil {
return err
}
if i == 0 {
ln = fiveEnds[i].Len()
}
if fiveEnds[i].Len() != threeEnds[i].Len() || fiveEnds[i].Len() != ln {
return errors.New("missing values")
}
}
font, err := vg.MakeFont("Helvetica", 10)
if err != nil {
return err
}
titleFont, err := vg.MakeFont("Helvetica", 12)
if err != nil {
return err
}
style := plot.TextStyle{Color: color.Gray{0}, Font: font}
p, err := plot.New()
if err != nil {
return err
}
p.Title.Text = titles[filter]
p.Title.TextStyle = plot.TextStyle{Color: color.Gray{0}, Font: titleFont}
p.X.Label.Text = "Length Offset"
p.Y.Label.Text = "Relative Frequency"
p.X.Label.TextStyle = style
p.Y.Label.TextStyle = style
p.X.Tick.Label = style
p.Y.Tick.Label = style
p.Legend.TextStyle = style
type boxPair struct{ five, three *plotter.BoxPlot }
var boxes []boxPair
for i := 0; i < ln; i++ {
fiveEnd := make(plotter.Values, len(sets))
threeEnd := make(plotter.Values, len(sets))
for j := range sets {
fiveEnd[j] = fiveEnds[j][i]
threeEnd[j] = threeEnds[j][i]
}
boxFivePrime, err := plotter.NewBoxPlot(1, float64(i), fiveEnd) // A non-zero width is required to prevent the creation failing.
if err != nil {
return err
}
boxFivePrime.MedianStyle.Width = 0.5
boxFivePrime.BoxStyle.Width = 0.75
boxFivePrime.BoxStyle.Color = plotutil.Color(0)
boxThreePrime, err := plotter.NewBoxPlot(1, float64(i), threeEnd) // A non-zero width is required to prevent the creation failing.
if err != nil {
return err
}
boxThreePrime.MedianStyle.Width = 0.5
boxThreePrime.BoxStyle.Width = 0.75
boxThreePrime.BoxStyle.Color = plotutil.Color(1)
boxes = append(boxes, boxPair{boxFivePrime, boxThreePrime})
p.Add(boxFivePrime, boxThreePrime)
}
p.Legend.Add("5'-end", &plotter.BarChart{Color: plotutil.Color(0)})
p.Legend.Add("3'-end", &plotter.BarChart{Color: plotutil.Color(1)})
p.Legend.Top = true
p.NominalX(func() []string {
n := make([]string, ln)
for i := 0; i < ln; i++ {
if v := i - maxLength; v%5 == 0 {
n[i] = fmt.Sprint(v)
}
}
return n
}()...)
p.X.Width = 0.5
p.X.Tick.Width = 0.5
p.X.Tick.Length = 8
p.Add(&plotter.Grid{Vertical: plotter.DefaultGridLineStyle})
c := vgsvg.New(vg.Centimeters(19), vg.Centimeters(10))
da := plot.MakeDrawArea(c)
trX, _ := p.Transforms(&da)
w := ((trX(float64(2*maxLength)) - trX(float64(0))) / vg.Length(2*maxLength)) / 3
for _, b := range boxes {
b.five.Width = w
b.five.Offset = -w / 2
b.three.Width = w
b.three.Offset = w / 2
}
p.Draw(da)
f, err := os.Create(decorate(path, "boxplot.svg", filter))
if err != nil {
return err
}
defer f.Close()
_, err = c.WriteTo(f)
return err
}
func barchart(path string, data set) error {
font, err := vg.MakeFont("Helvetica", 10)
if err != nil {
return err
}
titleFont, err := vg.MakeFont("Helvetica", 12)
if err != nil {
return err
}
style := plot.TextStyle{Color: color.Gray{0}, Font: font}
p, err := plot.New()
if err != nil {
return err
}
p.Title.Text = titles[filter]
p.Title.TextStyle = plot.TextStyle{Color: color.Gray{0}, Font: titleFont}
p.X.Label.Text = "Length Offset"
p.Y.Label.Text = "Relative Frequency"
p.X.Label.TextStyle = style
p.Y.Label.TextStyle = style
p.X.Tick.Label = style
p.Y.Tick.Label = style
p.Legend.TextStyle = style
barsFivePrime, err := plotter.NewBarChart(&normalised{vals: data.fiveEnd}, 1) // A non-zero width is required to prevent the creation failing.
if err != nil {
return err
}
barsFivePrime.LineStyle.Width = vg.Length(0)
barsFivePrime.Color = plotutil.Color(0)
barsThreePrime, err := plotter.NewBarChart(&normalised{vals: data.threeEnd}, 1) // A non-zero width is required to prevent the creation failing.
if err != nil {
return err
}
barsThreePrime.LineStyle.Width = vg.Length(0)
barsThreePrime.Color = plotutil.Color(1)
p.Add(barsFivePrime, barsThreePrime)
p.Legend.Add("5'-end", barsFivePrime)
p.Legend.Add("3'-end", barsThreePrime)
p.Legend.Top = true
p.NominalX(func() []string {
n := make([]string, len(data.fiveEnd))
for i := range data.fiveEnd {
if v := i - maxLength; v%5 == 0 {
n[i] = fmt.Sprint(v)
}
}
return n
}()...)
c := vgsvg.New(vg.Centimeters(19), vg.Centimeters(10))
da := plot.MakeDrawArea(c)
trX, _ := p.Transforms(&da)
w := ((trX(float64(2*maxLength)) - trX(float64(0))) / vg.Length(2*maxLength)) / 3
barsFivePrime.Width = w
barsFivePrime.Offset = -w / 2
barsThreePrime.Width = w
barsThreePrime.Offset = w / 2
p.Draw(da)
f, err := os.Create(decorate(path, "barchart.svg", filter))
if err != nil {
return err
}
defer f.Close()
_, err = c.WriteTo(f)
return err
}
func marshalPNG(r *http.Request, results []*metricData) []byte {
p, err := plot.New()
if err != nil {
panic(err)
}
// set bg/fg colors
bgcolor := string2Color(getString(r.FormValue("bgcolor"), "black"))
p.BackgroundColor = bgcolor
fgcolorstr := getString(r.FormValue("fgcolor"), "white")
fgcolor := string2Color(fgcolorstr)
p.Title.Color = fgcolor
p.X.LineStyle.Color = fgcolor
p.Y.LineStyle.Color = fgcolor
p.X.Tick.LineStyle.Color = fgcolor
p.Y.Tick.LineStyle.Color = fgcolor
p.X.Tick.Label.Color = fgcolor
p.Y.Tick.Label.Color = fgcolor
p.X.Label.Color = fgcolor
p.Y.Label.Color = fgcolor
p.Legend.Color = fgcolor
// set grid
grid := plotter.NewGrid()
grid.Vertical.Color = fgcolor
grid.Horizontal.Color = fgcolor
p.Add(grid)
// line mode (ikruglow) TODO check values
lineMode := getString(r.FormValue("lineMode"), "slope")
// width and height
width := getInt(r.FormValue("width"), 330)
height := getInt(r.FormValue("height"), 250)
// need different timeMarker's based on step size
p.Title.Text = r.FormValue("title")
p.X.Tick.Marker = makeTimeMarker(results[0].GetStepTime())
hideLegend := getBool(r.FormValue("hideLegend"), false)
graphOnly := getBool(r.FormValue("graphOnly"), false)
if graphOnly {
p.HideAxes()
}
if len(results) == 1 && results[0].color == "" {
results[0].color = fgcolorstr
}
var lines []plot.Plotter
for i, r := range results {
l := NewResponsePlotter(r)
l.LineStyle.Color = fgcolor
// consolidate datapoints
l.maybeConsolidateData(width)
if r.drawAsInfinite {
l.lineMode = "drawAsInfinite"
} else {
l.lineMode = lineMode
}
if r.color != "" {
l.Color = string2Color(r.color)
} else {
l.Color = plotutil.Color(i)
}
lines = append(lines, l)
if !graphOnly && !hideLegend {
p.Legend.Add(r.GetName(), l)
}
}
p.Add(lines...)
p.Y.Max *= 1.05
p.Y.Min *= 0.95
// Draw the plot to an in-memory image.
img := image.NewRGBA(image.Rect(0, 0, width, height))
da := plot.MakeDrawArea(vgimg.NewImage(img))
p.Draw(da)
var b bytes.Buffer
if err := png.Encode(&b, img); err != nil {
panic(err)
}
return b.Bytes()
}