001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: * The Original Software is NetBeans. The Initial Developer of the Original
026: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
027: * Microsystems, Inc. All Rights Reserved.
028: *
029: * If you wish your version of this file to be governed by only the CDDL
030: * or only the GPL Version 2, indicate your decision by adding
031: * "[Contributor] elects to include this software in this distribution
032: * under the [CDDL or GPL Version 2] license." If you do not indicate a
033: * single choice of license, a recipient has the option to distribute
034: * your version of this file under either the CDDL, the GPL Version 2 or
035: * to extend the choice of license to its licensees as provided above.
036: * However, if you add GPL Version 2 code and therefore, elected the GPL
037: * Version 2 license, then the option applies only if the new code is
038: * made subject to such option by the copyright holder.
039: */
040:
041: package simple;
042:
043: /**
044: *
045: * @author
046: */
047: public class CPU {
048: //~ Constructors -------------------------------------------------------------------------------------------------------------
049:
050: /**
051: * Creates a new instance of CPU
052: */
053: public CPU() {
054: }
055:
056: //~ Methods ------------------------------------------------------------------------------------------------------------------
057:
058: /**
059: * @param args the command line arguments
060: */
061: public static void main(String[] args) {
062: try {
063: System.out.println("Application (20070815) started: "
064: + System.currentTimeMillis());
065:
066: for (int i = 0; i < 5; i++) {
067: test1000();
068: }
069:
070: double[] fibo = new double[100];
071: fibo[0] = 0;
072: fibo[1] = 1;
073:
074: for (int i = 2; i < 100; i++) {
075: fibo[i] = fibo[i - 2] + fibo[i - 1];
076: }
077:
078: System.out.println("Fibonacci:");
079: System.out.print("[");
080:
081: for (int i = 0; i < 100; i++) {
082: System.out.print(fibo[i]);
083:
084: if (i < 99) {
085: System.out.print(",");
086: }
087: }
088:
089: System.out.println("]");
090: System.out.println("Application finished: "
091: + System.currentTimeMillis());
092: } catch (Exception e) {
093: e.printStackTrace();
094: }
095: }
096:
097: private static void test1000() {
098: long startTime = System.currentTimeMillis();
099:
100: while ((System.currentTimeMillis() - startTime) < 1000) {
101: ;
102: }
103:
104: test500();
105: }
106:
107: private static void test20() {
108: long startTime = System.currentTimeMillis();
109:
110: while ((System.currentTimeMillis() - startTime) < 20) {
111: ;
112: }
113: }
114:
115: private static void test500() {
116: long startTime = System.currentTimeMillis();
117:
118: while ((System.currentTimeMillis() - startTime) < 500) {
119: ;
120: }
121:
122: test20();
123: }
124: }
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