gokhanm · December 26, 2023 08:48 · Dec 26, 2023 · Dec 26, 2023
diff --git a/gistfile1.txt → main.go b/gistfile1.txt → main.go
diff --git a/gistfile1.txt b/gistfile1.txt
@@ -0,0 +1,37 @@
+// https://github.com/egonelbre/exp/blob/main/bench/goroutine/main.go
+package main
+
+import (
+	"fmt"
+	"runtime"
+	"sync"
+
+	"github.com/loov/hrtime"
+)
+
+func main() {
+	const P = 128
+	const K = 100
+	const N = 10000
+
+	{
+		bench := hrtime.NewBenchmarkTSC(K)
+		for bench.Next() {
+			var wg sync.WaitGroup
+			wg.Add(P)
+			for k := 0; k < P; k++ {
+				go func() {
+					for i := 0; i < N; i++ {
+						runtime.Gosched()
+					}
+					wg.Done()
+				}()
+			}
+			wg.Wait()
+		}
+		hist := bench.Histogram(10)
+		hist.Divide(N * P / runtime.NumCPU())
+		fmt.Println("gosched\n", hist.StringStats())
+	}
+
+}