| /* |
| * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.util.*; |
| import java.nio.*; |
| import java.nio.charset.*; |
| import java.util.concurrent.*; |
| import java.util.regex.Pattern; |
| |
| public class StrCodingBenchmarkDB extends StrCodingBenchmark { |
| |
| |
| public static void main(String[] args) throws Throwable { |
| final int itrs = Integer.getInteger("iterations", 100000); |
| //final int itrs = Integer.getInteger("iterations", 12); |
| final int size = Integer.getInteger("size", 2048); |
| final int subsize = Integer.getInteger("subsize", 128); |
| final int maxchar = Integer.getInteger("maxchar", 128); |
| final String regex = System.getProperty("filter"); |
| final Pattern filter = (regex == null) ? null : Pattern.compile(regex); |
| final boolean useSecurityManager = Boolean.getBoolean("SecurityManager"); |
| if (useSecurityManager) |
| System.setSecurityManager(new PermissiveSecurityManger()); |
| final Random rnd = new Random(); |
| |
| String[] csns = new String[] { |
| "Big5", |
| "Johab", |
| "EUC_CN", |
| "EUC_KR", |
| "MS932", |
| "MS936", |
| "MS949", |
| "MS950", |
| "GBK", |
| |
| "Big5_HKSCS", |
| "Big5_HKSCS_2001", |
| "Big5_Solaris", |
| "MS950_HKSCS", |
| "MS950_HKSCS_XP", |
| "IBM1364", |
| "IBM1381", |
| "IBM1383", |
| "IBM930", |
| "IBM933", |
| "IBM935", |
| "IBM937", |
| "IBM939", |
| "IBM942", |
| "IBM943", |
| "IBM948", |
| "IBM949", |
| "IBM950", |
| "IBM970", |
| }; |
| |
| ArrayList<long[]> sum = new ArrayList<>(); |
| |
| for (final String csn : csns) { |
| final Charset cs = Charset.forName(csn); |
| List<Integer> cps = new ArrayList<>(0x4000); |
| int off = 0; |
| int cp = 0; |
| int n = 0; |
| CharsetEncoder enc = cs.newEncoder(); |
| while (cp < 0x10000 && n < cps.size()) { |
| if (enc.canEncode((char)cp)) { |
| cps.add(cp); |
| n++; |
| } |
| cp++; |
| } |
| Collections.shuffle(cps); |
| char[] ca = new char[cps.size()]; |
| for (int i = 0; i < cps.size(); i++) |
| ca[i] = (char)(int)cps.get(i); |
| |
| |
| System.out.printf("%n--------%s---------%n", csn); |
| for (int sz = 8; sz <= 2048; sz *= 2) { |
| System.out.printf(" [len=%d]%n", sz); |
| |
| final char[] chars = Arrays.copyOf(ca, sz); |
| final String str = new String(chars); |
| final byte[] bs = str.getBytes(cs); |
| |
| Job[] jobs = { |
| |
| new Job("String decode: csn") { |
| public void work() throws Throwable { |
| for (int i = 0; i < itrs; i++) |
| new String(bs, csn); |
| }}, |
| |
| new Job("String decode: cs") { |
| public void work() throws Throwable { |
| for (int i = 0; i < itrs; i++) |
| new String(bs, cs); |
| }}, |
| |
| new Job("String encode: csn") { |
| public void work() throws Throwable { |
| for (int i = 0; i < itrs; i++) |
| str.getBytes(csn); |
| }}, |
| |
| new Job("String encode: cs") { |
| public void work() throws Throwable { |
| for (int i = 0; i < itrs; i++) |
| str.getBytes(cs); |
| }}, |
| }; |
| sum.add(time(jobs)); |
| |
| } |
| } |
| } |
| } |