/* * 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)); } } } }