go的benchmark测试demo增加并行测试

bjwyun · Feb 12, 2023 · 205a5f4 · 205a5f4
1 parent fd81108
commit 205a5f4
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Showing 2 changed files with 9 additions and 5 deletions.
diff --git a/tutorials/benchmark-demo/main.go b/tutorials/benchmark-demo/main.go
@@ -6,6 +6,7 @@ import (
 	"time"
 )
 
+// 斐波拉契数列
 func fib(n int) int {
 	if n == 0 || n == 1 {
 		return n

diff --git a/tutorials/benchmark-demo/main_test.go b/tutorials/benchmark-demo/main_test.go
@@ -25,15 +25,18 @@ func Test_fib(t *testing.T) {
 	}
 }
 
-var result int
-
 func BenchmarkFib(b *testing.B) {
-	var r int
 	for n := 0; n < b.N; n++ {
-		r = fib(30)
+		fib(30)
 	}
+}
 
-	result = r
+func BenchmarkParallelFib(b1 *testing.B) {
+	b1.RunParallel(func(pb *testing.PB) {
+		for pb.Next() {
+			fib(30)
+		}
+	})
 }
 
 const (