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Revision 47 - (hide annotations)
Mon Aug 31 14:23:19 2009 UTC (15 years, 3 months ago) by mojays
File size: 9173 byte(s)
Branch 1.8-gt2-2.6 (from rev 45) for geotools 2.6 migration
1 mojays 2 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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