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annotate graal/com.oracle.graal.compiler.hsail.test/src/com/oracle/graal/compiler/hsail/test/StaticMandelTest.java @ 11731:d8f291981d75

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PTX assembler Register -> Variable conversion
author Morris Meyer <morris.meyer@oracle.com>
date Thu, 19 Sep 2013 15:06:50 -0400
parents 395d34c10e26
children 64dcb92ee75a
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1 /*
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2 * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23
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24 package com.oracle.graal.compiler.hsail.test;
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25
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26 import com.oracle.graal.compiler.hsail.test.infra.GraalKernelTester;
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27 import org.junit.Test;
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28 import static org.junit.Assume.*;
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29
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30 /**
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31 * Unit test that simulates the Mandelbrot application. The run method here is a static method
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32 * version of the original mandel kernel and the invoke parameters are for the starting point of the
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33 * mandel demo. Note: this will likely not pass the junit test on real hardware, but should pass on
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34 * the simulator.
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35 */
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36 public class StaticMandelTest extends GraalKernelTester {
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37
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38 static final int initWidth = 768;
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39 static final int initHeight = initWidth;
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40 static final int maxIterations = 64;
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41 static final int range = initWidth * initHeight;
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42 @Result private int[] rgb = new int[range];
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43
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44 public static void run(int[] rgb, int[] pallette, float xoffset, float yoffset, float scale, int gid) {
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45 final int width = initWidth;
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46 final int height = initHeight;
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47 float lx = (((gid % width * scale) - ((scale / 2) * width)) / width) + xoffset;
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48 float ly = (((gid / width * scale) - ((scale / 2) * height)) / height) + yoffset;
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49 int count = 0;
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50 float zx = lx;
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51 float zy = ly;
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52 float newzx = 0f;
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53
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54 // Iterate until the algorithm converges or until maxIterations are reached.
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55 while (count < maxIterations && zx * zx + zy * zy < 8) {
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56 newzx = zx * zx - zy * zy + lx;
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57 zy = 2 * zx * zy + ly;
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58 zx = newzx;
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59 count++;
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60 }
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61 rgb[gid] = pallette[count];
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62 }
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63
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64 void setupPalette(int[] in) {
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65 for (int i = 0; i < in.length; i++) {
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66 in[i] = i;
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67 }
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68 }
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69
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70 @Override
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71 public void runTest() {
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72 int[] palette = new int[256];
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73 setupPalette(palette);
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74 /**
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75 * Call it for a range, specifying testmethod args (but not the fields it uses or the gid
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76 * argument).
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77 */
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78 dispatchMethodKernel(range, rgb, palette, -1f, 0f, 3f);
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79 }
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80
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81 @Test
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82 public void test() {
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83 assumeTrue(runningOnSimulator());
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84 testGeneratedHsail();
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85 }
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86 }