Fix benchmarks

cut_the_tree/funcs_test.go

@@ -31,11 +31,11 @@ func Benchmark(b *testing.B)  {
 		branches int
 		depth int
 	}{
-		"Small tree":{4, 4}, // 85 nodes,
+		"Small tree (85 nodes)":{4, 4}, // 85 nodes,
-		"Wide tree": {515, 3}, // 265'741 nodes,
+		"Wide tree (2,65K nodes)": {515, 3}, // 265'741 nodes,
-		"Deep tree": {3, 12}, // 265'720 nodes,
+		"Deep tree (2,65K nodes)": {3, 12}, // 265'720 nodes,
-		"Huge tree": {5, 10}, // 2'441'406 nodes,
+		"Huge tree (2,44M nodes)": {5, 10}, // 2'441'406 nodes,
-		"Pathological tree": {1, 10000}, // 10'000 nodes,
+		"Pathological tree (10K nodes)": {1, 10000}, // 10'000 nodes,
 	}{
 		b.Run(name, func(b *testing.B) {
 			tree := getTestTree(tt.branches, tt.depth)
@@ -43,19 +43,25 @@ func Benchmark(b *testing.B)  {
 				tree = TestTree{nil, nil}
 			})
 			b.Run("Weighing with recursion", func(b *testing.B) {
+				for i := 0; i < b.N; i++ {
 					b.StartTimer()
 					assert.EqualValues(b, tree.Weights, tree.Tree.WeightingTreeWithRecursion())
 					b.StopTimer()
+				}
 			})
 			b.Run("Weighting with stack", func(b *testing.B) {
+				for i := 0; i < b.N; i++ {
 					b.StartTimer()
 					assert.EqualValues(b, tree.Weights, tree.Tree.WeightingTreeWithStack())
 					b.StopTimer()
+				}
 			})
 			b.Run("Weighting with DLL", func(b *testing.B) {
+				for i := 0; i < b.N; i++ {
 					b.StartTimer()
 					assert.EqualValues(b, tree.Weights, tree.Tree.WeightingTreeWithDLL())
 					b.StopTimer()
+				}
 			})
 		})