Исходники и презентации

lessons/strings/speed_comparison/comparison_test.go

@@ -0,0 +1,27 @@
+package main
+
+import "testing"
+
+// go test -bench=. comparison_test.go
+
+func BenchmarkComparison(b *testing.B) {
+	bs := make([]byte, 1<<26)
+	s0 := string(bs)
+	s1 := string(bs)
+
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		_ = s0 == s1
+	}
+}
+
+func BenchmarkComparisonOptimized(b *testing.B) {
+	bs := make([]byte, 1<<26)
+	s0 := string(bs)
+	s1 := s0
+
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		_ = s0 == s1
+	}
+}