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Contents of /branches/1.8-gt2-2.6/src/appl/parallel/test/SPMDTest.java

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Revision 2 - (show annotations)
Wed Feb 25 11:54:01 2009 UTC (15 years, 9 months ago) by mojays
Original Path: trunk/src/appl/parallel/test/SPMDTest.java
File size: 9173 byte(s)
First Commit, corresponds to Revision 1008 of Wikisquare-SVN 
1 package appl.parallel.test;
2
3 import java.awt.Rectangle;
4 import java.io.File;
5 import java.io.FileInputStream;
6 import java.io.Serializable;
7 import java.util.Random;
8 import java.util.Vector;
9
10 import junit.framework.Test;
11 import junit.framework.TestCase;
12 import junit.framework.TestSuite;
13
14 import org.apache.log4j.BasicConfigurator;
15 import org.apache.log4j.ConsoleAppender;
16 import org.apache.log4j.Layout;
17 import org.apache.log4j.Level;
18 import org.apache.log4j.LogManager;
19 import org.apache.log4j.Logger;
20 import org.apache.log4j.PropertyConfigurator;
21
22 import edu.bonn.xulu.io.ImportFactory;
23 import edu.bonn.xulu.plugin.io.grid.array.WritableGridArrayFactory;
24
25 import schmitzm.data.WritableGrid;
26 import schmitzm.data.WritableGridArray;
27 import schmitzm.data.WritableGridRaster;
28 import schmitzm.geotools.io.GeoImportUtil;
29
30 import appl.parallel.ComputingResourceContainer;
31 import appl.parallel.client.RemoteEventHandler;
32 import appl.parallel.client.ClientDataServer;
33 import appl.parallel.data.splittable.SplittableLLProxyGrid;
34 import appl.parallel.services.GlobalDiscoveryService;
35 import appl.parallel.spmd.AbstractSPMDTask;
36 import appl.parallel.spmd.SPMDClientController;
37 import appl.parallel.spmd.SPMDTask;
38 import appl.parallel.spmd.SPMDServerController;
39 import appl.parallel.spmd.split.SplittableGrid;
40 import appl.util.RasterMetaData;
41 import appl.util.RasterUtil;
42
43 /**
44 * Generated code for the test suite <b>SPMDTest</b> located at
45 * <i>/XuluSVN/javasrc/appl/parallel/test/SPMDTest.testsuite</i>. This class
46 * tests all the SPMD functionality, using only XULU/V and nearly nothing of
47 * XULU
48 */
49 public class SPMDTest extends TestCase implements Serializable {
50
51 transient private final Logger LOG = LogManager.getLogger(this.getClass()
52 .getName());
53
54 transient private ClientDataServer client;
55 transient private Vector<ComputingResourceContainer> computingResources;
56 transient private SPMDClientController clientController;
57
58 transient SplittableGrid gridInput;
59 transient SplittableGrid remoteInput;
60 transient SplittableGrid localOutput;
61 transient SplittableGrid remoteOutput;
62
63 /**
64 * Constructor for SPMDTest.
65 *
66 * @param name
67 */
68 public SPMDTest(String name) {
69 super(name);
70 }
71
72 /**
73 * Returns the JUnit test suite that implements the <b>SPMDTest</b>
74 * definition.
75 */
76 public static Test suite() {
77 TestSuite sPMDTest = new TestSuite("SPMDTest");
78 // sPMDTest.setArbiter(DefaultTestArbiter.INSTANCE).setId(
79 // "E873D66A70977ED2A98AAC10B54511DB");
80 //
81 // sPMDTest.addTest(new SPMDTest("testSPMD").setId(
82 // "E873D66A70977ED2E5E8ED20B54511DB").setTestInvocationId(
83 // "E873D66A70977ED2EF7E3C00B54511DB"));
84 return sPMDTest;
85 }
86
87 /**
88 * @see junit.framework.TestCase#setUp()
89 */
90 protected void setUp() throws Exception {
91 PropertyConfigurator.configure("xululog4j.cfg");
92 computingResources = new GlobalDiscoveryService()
93 .getRemoteResources();
94
95 for (ComputingResourceContainer computingRes : computingResources) {
96 System.out.println("DiscoveredRessource " + computingRes);
97 }
98 LOG.info("Discovery finished...");
99 RemoteEventHandler handler = new RemoteEventHandler();
100 client = new ClientDataServer(handler);
101 clientController = new SPMDClientController(computingResources,null, client,handler);
102 // ////////// Initialise data \\\\\\\\\\\\\
103 WritableGridRaster baseGrid = GeoImportUtil
104 .readGridRasterFromArcInfoASCII(new File(
105 "../Xulu-Data/minigrid2.arc")); // small data
106 // "../Xulu-Data/large_clue_data/sc1gr0.0")); //large data
107 gridInput = new SplittableLLProxyGrid(new WritableGridArrayFactory(),
108 new RasterMetaData(baseGrid));
109 localOutput = new SplittableLLProxyGrid(new WritableGridArrayFactory(),
110 new RasterMetaData(baseGrid));
111 remoteInput = new SplittableLLProxyGrid(new WritableGridArrayFactory(),
112 new RasterMetaData(baseGrid));
113 remoteOutput = new SplittableLLProxyGrid(
114 new WritableGridArrayFactory(), new RasterMetaData(baseGrid));
115 RasterUtil.copyInto(baseGrid, gridInput);
116 RasterUtil.copyInto(baseGrid, remoteInput);
117 //RasterUtil.copyInto(baseGrid, localOutput);
118 //RasterUtil.copyInto(baseGrid, remoteOutput);
119 }
120
121 /**
122 * @see junit.framework.TestCase#tearDown()
123 */
124 protected void tearDown() throws Exception {
125 client.close();
126 clientController.close();
127 // GlobalDiscoveryService.getInstance().stopServices();
128 }
129
130 /**
131 * TestSPMD
132 *
133 * @throws Exception
134 */
135 public void testSPMD() throws Exception {
136 int steps = 3;
137 int neighborhoodRange = 6;
138 System.out.println("Starting step 1: ");
139
140 /***********************************************************************
141 * START LOCAL ALGORITHM ******************** The simple Algorithm will
142 * calculate the average of the neighborhood und write the output to the
143 * coresponing cell in the output cell
144 **********************************************************************/
145
146 Rectangle partition = new Rectangle(0, 0, gridInput.getWidth(),
147 gridInput.getHeight());
148 if (gridInput.getWidth() < 20)
149 RasterUtil.printGrid(gridInput, 5, 1, "Input");
150
151 for (int step = 0; step < steps; step++) {
152 // the overallsum is simply the sum over all elements
153 float overallSum = 0f;
154 long localStartTime = System.currentTimeMillis();
155 for (int y = 0; y < gridInput.getHeight(); y++)
156 for (int x = 0; x < gridInput.getWidth(); x++) {
157 float tmp = gridInput.getRasterSampleAsFloat(x, y);
158 if (!Float.isNaN(tmp))
159 overallSum += tmp;
160 // the local sum is simply the sum over all elements in the
161 // neighborhood
162 float localSum = 0;
163 // number of cells over which the sum is calculated
164 int noOfCells = 0;
165 // for each cell: calculate the sum of all neighbors
166 for (int y2 = y - neighborhoodRange; y2 <= y
167 + neighborhoodRange; y2++)
168 for (int x2 = x - neighborhoodRange; x2 <= x
169 + neighborhoodRange; x2++)
170 // check if the coordinates are valid (inside the
171 // grid and not NaN)
172 if (partition.contains(x2, y2))
173 if (!Float.isNaN(gridInput
174 .getRasterSampleAsFloat(x2, y2))) {
175 localSum += gridInput
176 .getRasterSampleAsFloat(x2, y2);
177 noOfCells++;
178 }
179
180 localOutput.setRasterSample(localSum / (float) (noOfCells),
181 x, y);
182
183 }
184
185 System.out.print("Finished step " + (step+1) + " in "
186 + ((System.currentTimeMillis() - localStartTime)) + " ms");
187 localStartTime = System.currentTimeMillis();
188 System.out.println(" with sum (local calculated): " + overallSum);
189 //copy values into results from output to input (for next step)
190 RasterUtil.copyInto(localOutput, gridInput);
191 }
192 if(gridInput.getWidth()<20)
193 RasterUtil.printGrid(localOutput, 5, 1, "Local Output");
194
195 /***********************************************************************
196 * START REMOTE ALGORITHM
197 * ******************** All the same..now remotely********************/
198 //set back the grid to the original input
199
200 System.out
201 .println("******************* starting remote execution *****************");
202 long remoteStartTime = System.currentTimeMillis();
203 clientController.setNeighborhoodRange(neighborhoodRange);
204 clientController.addToSplitControl(remoteInput, "inputGrid");
205 clientController.addToSplitControl(remoteOutput, "outputGrid");
206 System.out.println("After "
207 + ((System.currentTimeMillis() - remoteStartTime))
208 + "ms: finished with adding to splitcontroll");
209
210 //********************** START STEP CONTROL *********************
211 for (int step = 0; step < steps; step++) {
212 if(step > 0){
213 long updateStartTime = System.currentTimeMillis();
214 clientController.updateNeighborhood(remoteInput);
215 System.out.println("Update took:" + (System.currentTimeMillis()-updateStartTime));
216 }
217 try {
218 Object[] sum =clientController.runSPMDModelTask(
219 new AverageNeighborhoodTestTask(), neighborhoodRange);
220 // add results
221 float overallSum = 0;
222 for (int i = 0; i < sum.length; i++)
223 overallSum += (Float) sum[i];
224 System.out.println("finished step "
225 + (step+1) + " in "
226 + ((System.currentTimeMillis() - remoteStartTime))
227 + "ms " + " with sum "+
228 + overallSum);
229 remoteStartTime = System.currentTimeMillis();
230 } catch (Throwable e) {
231 // TODO Auto-generated catch block
232 e.printStackTrace();
233 }
234 }
235 //***************** END STEP CONTROL *****************************
236
237 //After execution:
238 // merge partitions and check if the local and remotely calculated
239 // versions are equal
240 remoteStartTime = System.currentTimeMillis();
241 clientController.mergePartition(remoteOutput);
242 System.out.println("Merging took another "
243 + ((System.currentTimeMillis() - remoteStartTime))
244 + "ms");
245 // Thread.currentThread().sleep(10000);
246 if(remoteInput.getWidth()<20)
247 RasterUtil.printGrid(remoteOutput, 5, 1, "Remote Output");
248 assertTrue(RasterUtil.checkEqual(remoteOutput, localOutput, true));
249 }
250 }

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