Mercurial > hg > Members > tatsuki > jungle-bench

comparison src/main/java/jp/ac/u_ryukyu/ie/cr/tatsuki/treemap/functionalJavaTreeMapMemory.java @ 20:195c1a644550

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author tatsuki
date Tue, 17 Mar 2015 15:37:19 +0900
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19:17cc11b04157 20:195c1a644550
1 package jp.ac.u_ryukyu.ie.cr.tatsuki.treemap;
2
3 import java.io.BufferedWriter;
4 import java.io.File;
5 import java.io.FileWriter;
6 import java.io.IOException;
7 import java.io.PrintWriter;
8 import java.util.LinkedList;
9
10 import fj.Ord;
11 import fj.data.TreeMap;
12
13
14 public class functionalJavaTreeMapMemory {
15 public static void main(String args[]) throws IOException {
16 File getFile = new File("./time/fjMemory");
17 PrintWriter pw = new PrintWriter(new BufferedWriter(new FileWriter(getFile)));
18 TreeMap<Integer, Integer> map = TreeMap.empty(Ord.intOrd);
19 LinkedList<TreeMap<Integer, Integer>> list = new LinkedList<TreeMap<Integer, Integer>>();
20 list.add(map);
21 for (Integer count = 0; count <= 10000; count++) {
22 TreeMap<Integer, Integer> newMap = list.getLast();
23 TreeMap<Integer, Integer> copyMap = newMap.set(count, count);
24 list.add(copyMap);
25 long used = getMemory();
26 System.out.println(count + " " + used);
27 pw.println(count + " " + used);
28 }
29 pw.close();
30 }
31
32 public static long getMemory() {
33 long free = Runtime.getRuntime().freeMemory() / 1024;
34 long total = Runtime.getRuntime().totalMemory() / 1024;
35 long used = total - free;
36 return used;
37 }
38 }