/* This file is part of JOP, the Java Optimized Processor see <http://www.jopdesign.com/> Copyright (C) 2001-2008, Martin Schoeberl (martin@jopdesign.com) This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program 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 for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ package wcet; import com.jopdesign.sys.*; public class Method2 { static int ts, te, to; /** * @param args */ public static void main(String[] args) { Method2 m = new Method2(); ts = Native.rdMem(Const.IO_CNT); te = Native.rdMem(Const.IO_CNT); to = te-ts; // WCET with var. block cache: x // WCET with two block cache: 15542 // WCET analysed: 16738 measure(); System.out.println(te-ts-to); } static void measure() { // Native.wrMem(1, Const.IO_WD); ts = Native.rdMem(Const.IO_CNT); foo(); te = Native.rdMem(Const.IO_CNT); // Native.wrMem(0, Const.IO_WD); } static void foo() { for (int i=0; i<10; ++i) { // @WCA loop=10 a(); b(); } } static void a() { int val = 123; for (int i=0; i<10; ++i) { // @WCA loop=10 val *= val; } } static void b() { int val = 123; for (int i=0; i<5; ++i) { // @WCA loop=5 val += c(); } for (int i=0; i<5; ++i) { // @WCA loop=5 val += val; } } static int c() { return 456; } }