parallel/test/SPMDTest.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.WritableGridRaster;
import de.schmitzm.geotools.io.GeoImportUtil;
import edu.bonn.xulu.plugin.io.grid.array.WritableGridArrayFactory;

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