Initial commit (code only without large binaries)

EdgeNode/internal/utils/zero/zero.go

@@ -0,0 +1,9 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package zero
+
+type Zero = struct{}
+
+func New() Zero {
+	return Zero{}
+}

EdgeNode/internal/utils/zero/zero_test.go

@@ -0,0 +1,42 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package zero_test
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/utils/zero"
+	"runtime"
+	"testing"
+)
+
+func TestZero_Chan(t *testing.T) {
+	var stat1 = &runtime.MemStats{}
+	runtime.ReadMemStats(stat1)
+
+	var m = make(chan zero.Zero, 2_000_000)
+	for i := 0; i < 1_000_000; i++ {
+		m <- zero.New()
+	}
+
+	var stat2 = &runtime.MemStats{}
+	runtime.ReadMemStats(stat2)
+	t.Log(stat2.HeapInuse, stat1.HeapInuse, stat2.HeapInuse-stat1.HeapInuse, "B")
+	t.Log(len(m))
+}
+
+func TestZero_Map(t *testing.T) {
+	var stat1 = &runtime.MemStats{}
+	runtime.ReadMemStats(stat1)
+
+	var m = map[int]zero.Zero{}
+	for i := 0; i < 1_000_000; i++ {
+		m[i] = zero.New()
+	}
+
+	var stat2 = &runtime.MemStats{}
+	runtime.ReadMemStats(stat2)
+	t.Log((stat2.HeapInuse-stat1.HeapInuse)/1024/1024, "MB")
+	t.Log(len(m))
+
+	_, ok := m[1024]
+	t.Log(ok)
+}