diff --git a/match/btree.go b/match/btree.go
index 5942371..74f3412 100644
--- a/match/btree.go
+++ b/match/btree.go
@@ -83,11 +83,11 @@ func (self BTree) Match(s string) bool {
 
 	// reusable segments list
 	// inputLen is the maximum size of output segments values
-	//	segments := acquireSegments(inputLen)
-	//	defer func() {
-	//		releaseSegments(segments)
-	//	}()
-	var segments []int
+	segments := acquireSegments(inputLen)
+	defer func() {
+		releaseSegments(segments)
+	}()
+	//	var segments []int
 
 	for offset < limit {
 		// search for matching part in substring
diff --git a/match/btree_test.go b/match/btree_test.go
index 44831ca..fc68de1 100644
--- a/match/btree_test.go
+++ b/match/btree_test.go
@@ -63,7 +63,7 @@ func (f *fakeMatcher) Match(string) bool {
 	return true
 }
 func (f *fakeMatcher) Index(s string, seg []int) (int, []int) {
-	return 0, seg
+	return 0, append(seg, 1)
 }
 func (f *fakeMatcher) Len() int {
 	return f.len
@@ -78,7 +78,7 @@ func BenchmarkMatchBTree(b *testing.B) {
 	v := &fakeMatcher{2, "value_fake"}
 
 	// must be <= len(l + r + v)
-	fixture := "abcdefghij"
+	fixture := "abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij"
 
 	bt := NewBTree(v, l, r)
 
diff --git a/match/match.go b/match/match.go
index 1d3df20..20521c5 100644
--- a/match/match.go
+++ b/match/match.go
@@ -52,12 +52,18 @@ const (
 func init() {
 	for i := maxSegment; i >= minSegment; i >>= 1 {
 		func(i int) {
-			segmentsPools[i-1] = sync.Pool{
+			pool := sync.Pool{
 				New: func() interface{} {
-					//					fmt.Println("new", i)
+					//					fmt.Printf("N%d;", i)
 					return make([]int, 0, i)
 				},
 			}
+
+			//			for n := 0; n < 4; n++ {
+			//				pool.Put(make([]int, 0, i))
+			//			}
+
+			segmentsPools[i-1] = pool
 		}(i)
 	}
 }
@@ -74,13 +80,17 @@ func getIdx(c int) int {
 	}
 }
 
+//var p = make([]int, 0, 128)
+
 func acquireSegments(c int) []int {
-	//	fmt.Println("acquire", c)
+	//	return p
+	//	fmt.Printf("a%d;", getIdx(c))
 	return segmentsPools[getIdx(c)].Get().([]int)[:0]
 }
 
 func releaseSegments(s []int) {
-	//	fmt.Println("release", len(s))
+	//	p = s
+	//		fmt.Printf("r%d;", getIdx(cap(s)))
 	segmentsPools[getIdx(cap(s))].Put(s)
 }