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238 lines
8.1 KiB
238 lines
8.1 KiB
// ImageViewerPerfTest.java
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// -----------------------
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// part of YaCy
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// Copyright 2016 by luccioman; https://github.com/luccioman
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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import java.util.TreeMap;
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import javax.imageio.ImageIO;
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import javax.imageio.stream.ImageInputStream;
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import net.yacy.cora.document.id.DigestURL;
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import net.yacy.cora.util.ConcurrentLog;
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import net.yacy.peers.graphics.EncodedImage;
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import net.yacy.server.serverObjects;
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/**
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* Test to measure image render performance by
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*
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* @author luc
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*
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*/
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public class ImageViewerPerfTest extends ImageViewerTest {
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/** Default minimum measurement time */
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private static final int DEFAULT_MIN_MEASURE_TIME = 10;
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/** Minimum measurement time */
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private int minMeasureTime;
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/**
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* @param args
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* main parameters : args[7] may contain minimum measurement time
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* in secondes. Default : 10.
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*/
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public ImageViewerPerfTest(String args[]) {
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this.minMeasureTime = getMinMeasurementTime(args);
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}
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/**
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*
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* @param args
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* main parameters : args[7] may contain minimum measurement time
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* in secondes. Default : 10.
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* @return extension to use for encoding
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*/
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protected int getMinMeasurementTime(String args[]) {
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int time;
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if (args != null && args.length > 7) {
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time = Integer.parseInt(args[7]);
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} else {
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time = DEFAULT_MIN_MEASURE_TIME;
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}
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return time;
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}
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/**
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* Process inFile image, update processedFiles list and failures map, and
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* append measurements to results_perfs.txt. All parameters must not be
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* null.
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*
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* @param ext
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* output encoding image format
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* @param outDir
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* output directory
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* @param post
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* post parameters
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* @param failures
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* map failed file urls to eventual exception
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* @param inFile
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* file image to process
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* @throws IOException
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* when an read/write error occured
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*/
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@Override
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protected void processFile(String ext, File outDir, serverObjects post, Map<String, Throwable> failures,
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File inFile) throws IOException {
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/* Delete eventual previous result file */
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System.out
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.println("Measuring render with file : " + inFile.getAbsolutePath() + " encoded To : " + ext);
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File outFile = new File(outDir, inFile.getName() + "." + ext);
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if (outFile.exists()) {
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outFile.delete();
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}
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String urlString = inFile.getAbsolutePath();
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EncodedImage img = null;
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Exception error = null;
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long beginTime = System.nanoTime(), time, minTime = Long.MAX_VALUE, maxTime = 0, meanTime = 0, totalTime = 0;
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int step = 0;
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for (step = 0; (totalTime / 1000000000) < this.minMeasureTime; step++) {
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beginTime = System.nanoTime();
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ImageInputStream inStream = ImageIO.createImageInputStream(inFile);
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try {
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img = this.VIEWER.parseAndScale(post, true, new DigestURL(urlString), ext, inStream);
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} catch (Exception e) {
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error = e;
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}
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time = System.nanoTime() - beginTime;
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minTime = Math.min(minTime, time);
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maxTime = Math.max(maxTime, time);
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totalTime += time;
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}
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if (step > 0) {
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meanTime = totalTime / step;
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} else {
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meanTime = totalTime;
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}
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PrintWriter resultsWriter = new PrintWriter(new FileWriter(new File(outDir, "results_perfs.txt"), true));
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try {
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writeMessage("Measured render with file : " + inFile.getAbsolutePath() + " encoded To : " + ext,
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resultsWriter);
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if(img == null) {
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writeMessage("Image could not be rendered! Measurement show time needed to read and parse image data until error detection.", resultsWriter);
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}
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writeMessage("Render total time (ms) : " + (totalTime) / 1000000 + " on " + step + " steps.",
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resultsWriter);
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writeMessage("Render mean time (ms) : " + (meanTime) / 1000000, resultsWriter);
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writeMessage("Render min time (ms) : " + (minTime) / 1000000, resultsWriter);
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writeMessage("Render max time (ms) : " + (maxTime) / 1000000, resultsWriter);
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} finally {
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resultsWriter.close();
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}
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if (img == null) {
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failures.put(urlString, error);
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} else {
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FileOutputStream outFileStream = null;
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try {
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outFileStream = new FileOutputStream(outFile);
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img.getImage().writeTo(outFileStream);
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} finally {
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if (outFileStream != null) {
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outFileStream.close();
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}
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img.getImage().close();
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}
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}
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}
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/**
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* Test image(s) (default : classpath resource folder /viewImageTest/test/)
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* are parsed and rendered again and again until specified time (default :
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* 10 seconds) elapsed. Then rendered image is written to outDir for visual
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* check and measured statistics are displayed.
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*
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* @param args
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* may be empty or contain parameters to override defaults :
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* <ul>
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* <li>args[0] : input image file URL or folder containing image
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* files URL. Default : classpath resource /viewImageTest/test/
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* </li>
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* <li>args[1] : output format name (for example : "jpg") for
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* rendered image. Defaut : "png".</li>
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* <li>args[2] : ouput folder URL. Default :
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* "[system tmp dir]/Test".</li>
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* <li>args[3] : max width (in pixels) for rendered image. May be
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* set to zero to specify no max width. Default : no value.</li>
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* <li>args[4] : max height (in pixels) for rendered image. May
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* be set to zero to specify no max height. Default : no value.
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* </li>
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* <li>args[5] : set to "quadratic" to render square output
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* image. May be set to any string to specify no quadratic shape.
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* Default : false.</li>
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* <li>args[6] : set to "recursive" to process recursively sub
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* folders. Default : false.</li>
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* <li>args[7] : minimum measurement time in secondes. Default :
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* 10.</li>
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* </ul>
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* @throws IOException
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* when a read/write error occured
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*/
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public static void main(String args[]) throws IOException {
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ImageViewerPerfTest test = new ImageViewerPerfTest(args);
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File inFile = test.getInputURL(args);
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String ext = test.getEncodingExt(args);
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File outDir = test.getOuputDir(args);
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boolean recursive = test.isRecursive(args);
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serverObjects post = test.makePostParams(args);
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outDir.mkdirs();
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File[] inFiles;
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if (inFile.isFile()) {
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inFiles = new File[1];
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inFiles[0] = inFile;
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System.out.println(
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"Measuring render with file : " + inFile.getAbsolutePath() + " encoded To : " + ext);
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} else if (inFile.isDirectory()) {
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inFiles = inFile.listFiles();
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System.out.println("Measuring render with files in folder : " + inFile.getAbsolutePath()
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+ " encoded To : " + ext);
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} else {
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inFiles = new File[0];
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}
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if (inFiles.length == 0) {
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throw new IllegalArgumentException(inFile.getAbsolutePath() + " is not a valid file or folder url.");
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}
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System.out.println("Rendered images will be written in dir : " + outDir.getAbsolutePath());
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List<File> processedFiles = new ArrayList<File>();
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Map<String, Throwable> failures = new TreeMap<>();
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try {
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long time = System.nanoTime();
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test.processFiles(ext, recursive, outDir, post, inFiles, processedFiles, failures);
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time = System.nanoTime() - time;
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test.displayResults(processedFiles, failures, time, outDir);
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} finally {
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ConcurrentLog.shutdown();
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}
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}
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}
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