func TestBenchmark(t *testing.T) {
points := make(plotter.XYs, 9)
points[0].X = 10
points[1].X = 100
points[2].X = 1000
points[3].X = 10000
points[4].X = 100000
points[5].X = 1000000
points[6].X = 10000000
points[7].X = 100000000
points[8].X = 1000000000
points[0].Y = 496.0
points[1].Y = 1196
points[2].Y = 7724
points[3].Y = 58489
points[4].Y = 414589
points[5].Y = 5590372
points[6].Y = 96922714
points[7].Y = 1431869649
points[8].Y = 24368113980
p, err := plot.New()
if err != nil {
panic(err)
}
p.Title.Text = "Calculation of the primes between 0 and n"
p.X.Label.Text = "Primes Range"
p.Y.Label.Text = "Running Time (ns/op)"
err = plotutil.AddLines(p,
"Sieve", points)
if err != nil {
panic(err)
}
// Save the plot to a PNG file.
if err := p.Save(14, 10, "benchmark.png"); err != nil {
panic(err)
}
}
func displayPlot(name string, toPlot ...plotter.XYs) {
p, err := plot.New()
if err != nil {
panic(err)
}
p.Title.Text = name
p.X.Label.Text = "Time"
p.Y.Label.Text = "Price"
for i, set := range toPlot {
err = plotutil.AddLines(p, string(i), set)
}
if err != nil {
panic(err)
}
// Save the plot to a PNG file.
if err := p.Save(4, 4, name+".png"); err != nil {
panic(err)
}
}