Исходники и презентации

lessons/structs/comparison_benchmark/comparison_test.go

@@ -0,0 +1,33 @@
+package main
+
+import (
+	"testing"
+)
+
+// go test -bench=. comparison_test.go
+
+type Data1 struct {
+	size   int32
+	values [10 << 20]byte
+}
+
+type Data2 struct {
+	values [10 << 20]byte
+	size   int32
+}
+
+func BenchmarkComparisonData1(b *testing.B) {
+	data1 := Data1{size: 100}
+	data2 := Data1{size: 101}
+	for i := 0; i < b.N; i++ {
+		_ = data1 == data2
+	}
+}
+
+func BenchmarkComparisonData2(b *testing.B) {
+	data1 := Data2{size: 100}
+	data2 := Data2{size: 101}
+	for i := 0; i < b.N; i++ {
+		_ = data1 == data2
+	}
+}