rand

rand/rand_generator_test.go

@@ -0,0 +1,42 @@
+package rand
+
+import "testing"
+
+func TestFastGenerate(t *testing.T) {
+	g := NewFastRandGenerator()
+	for i := 0; i < 100; i++ {
+		t.Log(g.Int63())
+	}
+}
+
+func BenchmarkGenerate(b *testing.B) {
+	b.Run("fast", func(b *testing.B) {
+		g1 := NewFastRandGenerator()
+		for i := 0; i < b.N; i++ {
+			g1.Int31()
+		}
+	})
+
+	b.Run("normal", func(b *testing.B) {
+		g1 := NewRandGenerator()
+		for i := 0; i < b.N; i++ {
+			g1.Int31()
+		}
+	})
+}
+
+func BenchmarkParallel(b *testing.B) {
+	g1 := NewFastRandGenerator()
+	b.RunParallel(func(p *testing.PB) {
+		for p.Next() {
+			g1.Int31()
+		}
+	})
+
+	g2 := NewRandGenerator()
+	b.RunParallel(func(p *testing.PB) {
+		for p.Next() {
+			g2.Int()
+		}
+	})
+}