author | Jaroslav Tulach <jaroslav.tulach@apidesign.org> |
Thu, 13 Dec 2012 08:40:39 +0100 | |
branch | benchmarks |
changeset 314 | 1a3f102e5ea5 |
parent 268 | e01b65623f72 |
child 381 | 70d15cf323ba |
permissions | -rw-r--r-- |
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/** |
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* Back 2 Browser Bytecode Translator |
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* Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org> |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, version 2 of the License. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. Look for COPYING file in the top folder. |
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* If not, see http://opensource.org/licenses/GPL-2.0. |
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*/ |
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package org.apidesign.benchmark.matrixmul; |
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|
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//import java.io.PrintStream; |
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//import java.util.Random; |
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|
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public class Matrix { |
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|
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private final int rank; |
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private float data[][]; |
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|
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public Matrix(int r) { |
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rank = r; |
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data = new float[r][r]; |
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} |
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|
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public void setElement(int i, int j, float value) { |
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data[i][j] = value; |
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} |
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public float getElement(int i, int j) { |
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return data[i][j]; |
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} |
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|
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public void generateData() { |
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//final Random rand = new Random(); |
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//final int x = 10; |
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for (int i = 0; i < rank; i++) { |
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for (int j = 0; j < rank; j++) { |
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data[i][j] = i + j; |
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} |
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} |
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} |
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|
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public Matrix multiply(Matrix m) { |
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if (rank != m.rank) { |
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throw new IllegalArgumentException("Rank doesn't match"); |
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} |
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|
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final float res[][] = new float[rank][rank]; |
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for (int i = 0; i < rank; i++) { |
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for (int j = 0; j < rank; j++) { |
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float ij = 0; |
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for (int q = 0; q < rank; q++) { |
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ij += data[i][q] * m.data[q][j]; |
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} |
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res[i][j] = ij; |
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} |
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} |
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data = res; |
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|
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return this; |
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} |
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|
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/* |
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public void printOn(PrintStream s) { |
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for (int i = 0; i < rank; i++) { |
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for (int j = 0; j < rank; j++) { |
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s.printf("%f ", data[i][j]); |
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} |
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s.println(); |
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} |
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} |
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*/ |
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|
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} |