gvsig-raster / org.gvsig.raster.cache / trunk / org.gvsig.raster.cache / org.gvsig.raster.cache.lib.impl / src / test / java / org / gvsig / raster / cache / buffer / impl / stripecache / vertical / TestCachePerformance.java @ 991
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package org.gvsig.raster.cache.buffer.impl.stripecache.vertical; |
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import java.io.IOException; |
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import junit.framework.TestCase; |
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import org.gvsig.jgdal.GdalException; |
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import org.gvsig.raster.cache.buffer.Buffer; |
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import org.gvsig.raster.cache.buffer.exception.OperationNotSupportedException; |
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import org.gvsig.raster.cache.buffer.impl.BufferCacheManagerImpl; |
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import org.gvsig.raster.cache.buffer.impl.io.GdalRead; |
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/**
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* Performance Test
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* Time 9.3 - 10 seg
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* REPEAT = 10
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* Intel(R) Core(TM)2 CPU E8400 @ 3.00GHz
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* 2GB RAM DDR3 1066
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* HDD ATA 133
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* Linux Ubuntu 8.04 kernel 2.6.24
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*
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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public class TestCachePerformance extends TestCase { |
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private String rasterIn = "./src/test/resources/image/001m09_1_0.tif"; |
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private static int REPEAT = 10; |
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public int aux = 0; |
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public void start() { |
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this.setUp();
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this.testStack();
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} |
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public void setUp() { |
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System.err.println("StripeCache TestCachePerformance running..."); |
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} |
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public void testStack() { |
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long t1 = System.currentTimeMillis(); |
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GdalRead input = null;
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try {
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//Reducimos el tama?o de la cache para una prueba con menos datos
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BufferCacheManagerImpl.cacheSize = 2;
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BufferCacheManagerImpl.pageSize = 0.2;
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for (int iTimes = 0; iTimes < REPEAT; iTimes++) { |
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//Read input data
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input = new GdalRead(rasterIn);
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Object dataIn = input.readBlock(0, 0, input.getWidth(), input.getHeight()); |
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//Create Buffer
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Buffer buf1 = new RasterVertCacheBuffer(input.getRasterBufTypeFromGdalType(input.getDataType()), |
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input.getWidth(), |
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input.getHeight(), |
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input.getBandCount()); |
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//Set data to buffer
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setBytes(dataIn, buf1); |
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for (int iBand = 0; iBand < buf1.getBandCount(); iBand++) { |
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for (int j = 0; j < buf1.getWidth(); j++) { |
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for (int i = 0; i < buf1.getHeight(); i++) { |
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byte b1 = buf1.getElemByte(i, j, iBand);
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byte b2 = buf1.getElemByte(i, j, iBand);
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aux = b1 * b2; |
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} |
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} |
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} |
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buf1.free(); |
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} |
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} catch (GdalException e) {
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e.printStackTrace(); |
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} catch (IOException e) { |
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e.printStackTrace(); |
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} catch (InterruptedException e) { |
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e.printStackTrace(); |
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} catch (OperationNotSupportedException e) { |
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e.printStackTrace(); |
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} |
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long t2 = System.currentTimeMillis(); |
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System.out.println("Tiempo StripeCache TestCachePerformance: " + (t2 - t1) + " milisegundos"); |
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} |
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private void setBytes(Object dataIn, Buffer buf) throws OperationNotSupportedException { |
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if(dataIn instanceof byte[][][]) { |
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byte[][][] d = (byte[][][])dataIn; |
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for (int iBand = 0; iBand < d.length; iBand++) { |
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for (int col = 0; col < d[iBand][0].length; col++) { |
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for (int row = 0; row < d[iBand].length; row++) { |
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buf.setElem(row, col, iBand, d[iBand][row][col]); |
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} |
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} |
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} |
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} |
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} |
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// private void setLines(Object dataIn, Buffer buf) throws OperationNotSupportedException {
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// if(dataIn instanceof byte[][][]) {
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// byte[][][] d = (byte[][][])dataIn;
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// for (int iBand = 0; iBand < d.length; iBand++) {
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// for (int row = 0; row < d[iBand].length; row++) {
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// buf.setLineInBandByte(d[iBand][row], row, iBand);
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// }
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// }
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// }
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// }
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} |