1 /*
2 * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 import java.util.*;
25 import java.nio.*;
26 import java.nio.charset.*;
27 import java.util.concurrent.*;
28 import java.util.regex.Pattern;
29
30 public class StrCodingBenchmarkDB extends StrCodingBenchmark {
31
32
33 public static void main(String[] args) throws Throwable {
34 final int itrs = Integer.getInteger("iterations", 10000);
35 //final int itrs = Integer.getInteger("iterations", 12);
36 final int size = Integer.getInteger("size", 2048);
37 final int subsize = Integer.getInteger("subsize", 128);
38 final int maxchar = Integer.getInteger("maxchar", 128);
39 final String regex = System.getProperty("filter");
40 final Pattern filter = (regex == null) ? null : Pattern.compile(regex);
41 final boolean useSecurityManager = Boolean.getBoolean("SecurityManager");
42 if (useSecurityManager)
43 System.setSecurityManager(new PermissiveSecurityManger());
44 final Random rnd = new Random();
45
46 String[] csns = new String[] {
47 "Big5",
48 "Johab",
49 "EUC_CN",
50 "EUC_KR",
51 "MS932",
52 "MS936",
53 "MS949",
54 "MS950",
55 "GBK",
56 "Big5_HKSCS",
57 "Big5_HKSCS_2001",
58 "Big5_Solaris",
59 "MS950_HKSCS",
60 "MS950_HKSCS_XP",
61 "IBM1364",
62 "IBM1381",
63 "IBM1383",
64 "IBM930",
65 "IBM933",
66 "IBM935",
67 "IBM937",
68 "IBM939",
69 "IBM942",
70 "IBM943",
71 "IBM948",
72 "IBM949",
73 "IBM950",
74 "IBM970",
75 };
76
77 ArrayList<long[]> sum = new ArrayList<>();
78
79 for (final String csn : csns) {
80 final Charset cs = Charset.forName(csn);
81 List<Integer> cps = new ArrayList<>(0x4000);
82 int off = 0;
83 int cp = 0;
84 int n = 0;
85 CharsetEncoder enc = cs.newEncoder();
86 while (cp < 0x10000 && n < cps.size()) {
87 if (enc.canEncode((char)cp)) {
88 cps.add(cp);
89 n++;
90 }
91 cp++;
92 }
93 Collections.shuffle(cps);
94 char[] ca = new char[cps.size()];
95 for (int i = 0; i < cps.size(); i++)
96 ca[i] = (char)(int)cps.get(i);
97
98
99 System.out.printf("%n--------%s---------%n", csn);
100 for (int sz = 8; sz <= 2048; sz *= 2) {
101 System.out.printf(" [len=%d]%n", sz);
102
103 final char[] chars = Arrays.copyOf(ca, sz);
104 final String str = new String(chars);
105 final byte[] bs = str.getBytes(cs);
106
107 Job[] jobs = {
108
109 new Job("String decode: csn") {
110 public void work() throws Throwable {
111 for (int i = 0; i < itrs; i++)
112 new String(bs, csn);
113 }},
114
115 new Job("String decode: cs") {
116 public void work() throws Throwable {
117 for (int i = 0; i < itrs; i++)
118 new String(bs, cs);
119 }},
120
121 new Job("String encode: csn") {
122 public void work() throws Throwable {
123 for (int i = 0; i < itrs; i++)
124 str.getBytes(csn);
125 }},
126
127 new Job("String encode: cs") {
128 public void work() throws Throwable {
129 for (int i = 0; i < itrs; i++)
130 str.getBytes(cs);
131 }},
132 };
133 sum.add(time(jobs));
134
135 }
136 }
137 }
138 }