Example #1
0
func main() {
	flag.Parse()
	vals := rand.Perm(*size)
	var t, v interface{}
	v = vals
	var stats runtime.MemStats
	for i := 0; i < 10; i++ {
		runtime.GC()
	}
	fmt.Println("-------- BEFORE ----------")
	runtime.ReadMemStats(&stats)
	fmt.Printf("%+v\n", stats)
	start := time.Now()
	if *gollrb {
		tr := llrb.New()
		for _, v := range vals {
			tr.ReplaceOrInsert(llrb.Int(v))
		}
		t = tr // keep it around
	} else {
		tr := btree.New(*degree)
		for _, v := range vals {
			tr.ReplaceOrInsert(btree.Int(v))
		}
		t = tr // keep it around
	}
	fmt.Printf("%v inserts in %v\n", *size, time.Since(start))
	fmt.Println("-------- AFTER ----------")
	runtime.ReadMemStats(&stats)
	fmt.Printf("%+v\n", stats)
	for i := 0; i < 10; i++ {
		runtime.GC()
	}
	fmt.Println("-------- AFTER GC ----------")
	runtime.ReadMemStats(&stats)
	fmt.Printf("%+v\n", stats)
	if t == v {
		fmt.Println("to make sure vals and tree aren't GC'd")
	}
}
Example #2
0
func newTreeIndex() index {
	return &treeIndex{
		tree: btree.New(32),
	}
}