tests/org.simantics.db.tests/src/org/simantics/db/tests/performance/read/LogTest2.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.db.tests.performance.read;
  13
  14 import java.util.ArrayList;
  15 import java.util.Collection;
  16 import java.util.UUID;
  17
  18 import org.simantics.databoard.Bindings;
  19 import org.simantics.datatypes.utils.LogUtils;
  20 import org.simantics.db.Resource;
  21 import org.simantics.db.Session;
  22 import org.simantics.db.VirtualGraph;
  23 import org.simantics.db.WriteGraph;
  24 import org.simantics.db.WriteOnlyGraph;
  25 import org.simantics.db.common.request.WriteOnlyResultRequest;
  26 import org.simantics.db.common.request.WriteRequest;
  27 import org.simantics.db.common.request.WriteResultRequest;
  28 import org.simantics.db.exception.DatabaseException;
  29 import org.simantics.db.service.VirtualGraphSupport;
  30 import org.simantics.db.testing.base.ExistingDatabaseTest;
  31 import org.simantics.utils.datastructures.Pair;
  32
  33
  34 public class LogTest2 extends ExistingDatabaseTest {
  35
  36         public static final int NODE_SIZE = 512;
  37         public static final int TEN = 10;
  38         public static final int HUNDRED = 100;
  39         public static final int THOUSAND = 1000;
  40         public static final int MILLION = 1000000;
  41
  42         public static final int KEY_SIZE = THOUSAND;
  43         public static final int ROUNDS = TEN * HUNDRED;
  44         public static final int BATCHES = 5;
  45
  46         public void test() throws Exception {
  47
  48                 Session session = getSession();
  49
  50                 VirtualGraphSupport vgss = session.getService(VirtualGraphSupport.class);
  51                 VirtualGraph vg = vgss.getMemoryPersistent(UUID.randomUUID().toString());
  52
  53                 final Resource log = session.sync(new WriteResultRequest<Resource>(vg) {
  54
  55                         @Override
  56                         public Resource perform(WriteGraph graph) throws DatabaseException {
  57
  58                                 LogUtils lu = new LogUtils(graph);
  59                                 return lu.create(graph, NODE_SIZE, 0);
  60
  61                         }
  62
  63                 });
  64
  65                 for(int i=0;i<BATCHES;i++) {
  66
  67                         long start = System.nanoTime();
  68
  69                         for(int j=0;j<ROUNDS;j++) {
  70
  71                                 final Collection<Pair<Integer, Resource>> values = session.sync(new WriteOnlyResultRequest<Collection<Pair<Integer, Resource>>>(vg) {
  72
  73                                         @Override
  74                                         public Collection<Pair<Integer, Resource>> perform(WriteOnlyGraph graph) throws DatabaseException {
  75
  76                                                 Collection<Pair<Integer, Resource>> values = new ArrayList<Pair<Integer, Resource>>();
  77                                                 for(int i=0;i<KEY_SIZE;i++) {
  78                                                         Resource value = graph.newResource();
  79                                                         graph.claim(value, L0.InstanceOf, null, L0.String);
  80                                                         graph.claimValue(value, "Value" + i, Bindings.STRING);
  81                                                         values.add(Pair.make(i, value));
  82                                                 }
  83                                                 return values;
  84
  85                                         }
  86
  87                                 });
  88
  89
  90                                 session.sync(new WriteRequest(vg) {
  91
  92                                         @Override
  93                                         public void perform(WriteGraph graph) throws DatabaseException {
  94
  95                                                 LogUtils lu = new LogUtils(graph);
  96                                                 lu.insertAll(graph, log, values);
  97
  98                                         }
  99
 100                                 });
 101
 102                         }
 103
 104                         long duration = System.nanoTime()-start;
 105                         System.err.println("A batch of " + KEY_SIZE*ROUNDS + " values at " + 1e-9*duration + "s.");
 106                         start = System.nanoTime();
 107
 108                 }
 109
 110         }
 111
 112 }