1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
object TreeSetRemove {
def main(args: Array[String]): Unit = {
val n = 500000
JavaUtilTS.main(args)
MutableTS.main(args)
ImmutableTS.main(args)
}
}
class Dummy(val a: Int) extends math.Ordered[Dummy] {
def compare(other: Dummy) = this.a - other.a
override def toString = a.toString
}
object JavaUtilTS extends testing.Benchmark {
val length = sys.props("length").toInt
var data: Array[Dummy] = (0 until length) map { a => new Dummy(a) } toArray
var t: java.util.TreeSet[Dummy] = null
def run = {
t = new java.util.TreeSet[Dummy]()
data foreach { a => t add a }
var i = 0
while (i < length) {
val elem = data(i)
t remove elem
i += 1
}
}
}
object MutableTS extends testing.Benchmark {
val length = sys.props("length").toInt
var data: Array[Dummy] = (0 until length) map { a => new Dummy(a) } toArray
var t: collection.mutable.TreeSet[Dummy] = null
def run = {
t = collection.mutable.TreeSet[Dummy](data: _*)
var i = 0
while (i < length) {
val elem = data(i)
t -= elem
i += 1
}
}
}
object ImmutableTS extends testing.Benchmark {
val length = sys.props("length").toInt
var data: Array[Dummy] = (0 until length) map { a => new Dummy(a) } toArray
var t: collection.immutable.TreeSet[Dummy] = null
def run = {
t = collection.immutable.TreeSet[Dummy](data: _*)
var i = 0
while (i < length) {
val elem = data(i)
t -= elem
i += 1
}
}
}
|
