parallel/test/SPMDTest_MultiGrid.java

package appl.parallel.test;

import java.awt.Rectangle;
import java.io.File;
import java.io.Serializable;
import java.util.Vector;

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;
import org.apache.log4j.PropertyConfigurator;

import appl.parallel.ComputingResourceContainer;
import appl.parallel.client.ClientDataServer;
import appl.parallel.client.RemoteEventHandler;
import appl.parallel.data.splittable.SplittableLLProxyGrid;
import appl.parallel.services.GlobalDiscoveryService;
import appl.parallel.spmd.SPMDClientController;
import appl.parallel.spmd.split.SplittableGrid;
import appl.util.RasterUtil;
import de.appl.util.RasterMetaData;
import de.schmitzm.geotools.data.WritableGrid;
import de.schmitzm.geotools.data.WritableGridRaster;
import de.schmitzm.geotools.io.GeoImportUtil;
import edu.bonn.xulu.plugin.io.grid.array.WritableGridArrayFactory;

/**
 * This is a minor modification of {@link SPMDTest}. It is only used to test the
 * Multi-Splittable functionality of the parallelization. For the test of all
 * other features and more detailed information see {@link SPMDTest}.
 * 
 * @author Dominik Appl
 */
public class SPMDTest_MultiGrid extends TestCase implements Serializable {

        transient private final Logger LOG = LogManager.getLogger(this.getClass()
                        .getName());

        transient private ClientDataServer client;
        transient private Vector<ComputingResourceContainer> computingResources;
        transient private SPMDClientController clientController;

        transient SplittableGrid gridInput;
        transient SplittableGrid remoteInput;
        transient SplittableGrid localOutput;
        transient SplittableGrid remoteOutput;

        /**
         * Constructor for SPMDTest.
         * 
         * @param name
         */
        public SPMDTest_MultiGrid(String name) {
                super(name);
        }

        /**
         * Returns the JUnit test suite that implements the <b>SPMDTest</b>
         * definition.
         */
        public static Test suite() {
                TestSuite sPMDTest = new TestSuite("SPMDTest");
//              sPMDTest.setArbiter(DefaultTestArbiter.INSTANCE).setId(
//                              "E873D66A70977ED2A98AAC10B54511DB");
//
//              sPMDTest.addTest(new SPMDTest("testSPMD").setId(
//                              "E873D66A70977ED2E5E8ED20B54511DB").setTestInvocationId(
//                              "E873D66A70977ED2EF7E3C00B54511DB"));
                return sPMDTest;
        }

        /**
         * @see junit.framework.TestCase#setUp()
         */
        protected void setUp() throws Exception {
                PropertyConfigurator.configure("xululog4j.cfg");
                computingResources = new GlobalDiscoveryService()
                                .getRemoteResources();

                for (ComputingResourceContainer computingRes : computingResources) {
                        System.out.println("DiscoveredRessource " + computingRes);
                }
                LOG.info("Discovery finished...");
                RemoteEventHandler handler = new RemoteEventHandler();
                client = new ClientDataServer(handler);
                clientController = new SPMDClientController(computingResources,null, client,handler);
                // ////////// Initialise data \\\\\\\\\\\\\
                WritableGridRaster baseGrid = GeoImportUtil
                                .readGridRasterFromArcInfoASCII(new File(
                                                "../Xulu-Data/minigrid2.arc")); // small data
//               "../Xulu-Data/large_clue_data/sc1gr0.0")); //large data
                gridInput = new SplittableLLProxyGrid(new WritableGridArrayFactory(),
                                new RasterMetaData(baseGrid));
                localOutput = new SplittableLLProxyGrid(new WritableGridArrayFactory(),
                                new RasterMetaData(baseGrid));
                remoteInput = new SplittableLLProxyGrid(new WritableGridArrayFactory(),
                                new RasterMetaData(baseGrid));
                remoteOutput = new SplittableLLProxyGrid(
                                new WritableGridArrayFactory(), new RasterMetaData(baseGrid));
                RasterUtil.copyInto(baseGrid, gridInput);
                RasterUtil.copyInto(baseGrid, remoteInput);
                //RasterUtil.copyInto(baseGrid, localOutput);
                //RasterUtil.copyInto(baseGrid, remoteOutput);
        }

        /**
         * @see junit.framework.TestCase#tearDown()
         */
        protected void tearDown() throws Exception {
                client.close();
                clientController.close();
                // GlobalDiscoveryService.getInstance().stopServices();
        }

        /**
         * TestSPMD
         * 
         * @throws Exception
         */
        public void testSPMD() throws Exception {
                int steps = 4;
                int neighborhoodRange = 3;
                System.out.println("Starting step 1: ");
                                
                /***********************************************************************
                 * START LOCAL ALGORITHM ******************** The simple Algorithm will
                 * calculate the average of the neighborhood und write the output to the
                 * coresponing cell in the output cell
                 **********************************************************************/

                Rectangle partition = new Rectangle(0, 0, gridInput.getWidth(),
                                gridInput.getHeight());
                if (gridInput.getWidth() < 20)
                        RasterUtil.printGrid(gridInput, 5, 1, "Input");
                
                for (int step = 0; step < steps; step++) {
//                       the overallsum is simply the sum over all elements
                        float overallSum = 0f;
                        long localStartTime = System.currentTimeMillis();
                        for (int y = 0; y < gridInput.getHeight(); y++)
                                for (int x = 0; x < gridInput.getWidth(); x++) {
                                        float tmp = gridInput.getRasterSampleAsFloat(x, y);
                                        if (!Float.isNaN(tmp))
                                                overallSum += tmp;
                                        // the local sum is simply the sum over all elements in the
                                        // neighborhood
                                        float localSum = 0;
                                        // number of cells over which the sum is calculated
                                        int noOfCells = 0;
                                        // for each cell: calculate the sum of all neighbors
                                        for (int y2 = y - neighborhoodRange; y2 <= y
                                                        + neighborhoodRange; y2++)
                                                for (int x2 = x - neighborhoodRange; x2 <= x
                                                                + neighborhoodRange; x2++)
                                                        // check if the coordinates are valid (inside the
                                                        // grid and not NaN)
                                                        if (partition.contains(x2, y2))
                                                                if (!Float.isNaN(gridInput
                                                                                .getRasterSampleAsFloat(x2, y2))) {
                                                                        localSum += gridInput
                                                                                        .getRasterSampleAsFloat(x2, y2);
                                                                        noOfCells++;
                                                                }

                                        localOutput.setRasterSample(localSum / (float) (noOfCells),
                                                        x, y);

                                }

                        System.out.print("Finished step " + (step+1) + " in "
                                        + ((System.currentTimeMillis() - localStartTime)) + " ms");
                        localStartTime = System.currentTimeMillis();
                        System.out.println(" with sum (local calculated): " + overallSum);
                        //copy values into results from output to input (for next step)
                        RasterUtil.copyInto(localOutput, gridInput);
                 }
                 if(gridInput.getWidth()<20)
                 RasterUtil.printGrid(localOutput, 5, 1, "Local Output");

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