tests/org.simantics.db.tests/src/org/simantics/db/tests/performance/read/ReadHierarchicalNamesAndTypes.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 org.simantics.db.Resource;
  15 import org.simantics.db.Session;
  16 import org.simantics.db.common.TransactionPolicyKeep;
  17 import org.simantics.db.exception.DatabaseException;
  18 import org.simantics.db.request.Read;
  19 import org.simantics.db.request.WriteOnlyResult;
  20 import org.simantics.db.service.QueryControl;
  21 import org.simantics.db.service.TransactionPolicySupport;
  22 import org.simantics.db.testing.base.ExistingDatabaseTest;
  23 import org.simantics.layer0.Layer0;
  24
  25 /*
  26  *
  27  * Some statistics:
  28  *
  29  * == With WriteOnlyGraph ===
  30  *
  31  * -Creation of 50M write only resources (50M res, 0 stm)
  32  *  -Stream off = 1.88s
  33  *  -UpdateTransaction off = 5.11s
  34  * -Creation of 50M write only resources with single instanceof (50M res, 50M stm)
  35  *  -Stream off = 5.36s
  36  *  -UpdateTransaction off = 16.05s
  37  * -Creation of 50M write only resources with instanceof and consists of hierarchy (50M res, 150M stm)
  38  *  -Stream off = 12.20s
  39  *  -UpdateTransaction off = 39.3s
  40  * -Creation of 50M write only resources with string name (no instanceof) (100M res, 150M stm)
  41  *  -Stream off = 31.66s
  42  * -Creation of 50M write only resources full (100M res, 300M stm)
  43  *  -Stream off = 43.39s
  44  *
  45  * == With ClusterBuilder ==
  46  *
  47  * -Creation of 50M write only resources (50M res, 0 stm)
  48  *  -Stream off = 1.62s
  49  *  -UpdateTransaction off = 5.07
  50  * -Creation of 50M write only resources with single instanceof (50M res, 50M stm)
  51  *  -Stream off = 3.33s
  52  *  -UpdateTransaction off = 14.26s
  53  * -Creation of 50M write only resources with instanceof and consists of hierarchy (50M res, 150M stm)
  54  *  -Stream off = 6.09s
  55  *  -UpdateTransaction off = 32.42s
  56  * -Creation of 50M write only resources with string name (no instanceof) (100M res, 150M stm)
  57  *  -Stream off = 23.97s
  58  * -Creation of 50M write only resources full (100M res, 300M stm, 50M literals)
  59  *  -Stream off = 27.85s
  60  *
  61  */
  62 public class ReadHierarchicalNamesAndTypes extends ExistingDatabaseTest {
  63
  64         final private static String name = "name";
  65         int[] sizes = { 244, 64, 64 };
  66
  67         private Resource time(String label, WriteOnlyResult<Resource> request) throws DatabaseException {
  68
  69                 long start = System.nanoTime();
  70                 Resource result = getSession().syncRequest(request);
  71                 long duration = System.nanoTime() - start;
  72                 System.out.println(label + " = " + 1e-9*duration);
  73                 return result;
  74
  75         }
  76
  77         private void time(String label, Read<Object> request) throws DatabaseException {
  78
  79                 long start = System.nanoTime();
  80                 getSession().syncRequest(request);
  81                 long duration = System.nanoTime() - start;
  82                 System.out.println(label + " = " + 1e-9*duration);
  83
  84         }
  85
  86 //      private void clearCaches() throws DatabaseException {
  87 //
  88 //              Session session = Tests.getTestHandler().getSession();
  89 //              QueryControl cc = session.getService(QueryControl.class);
  90 //              ClusterControl ccr = session.getService(ClusterControl.class);
  91 //              cc.flush();
  92 //              ccr.collectClusters(ccr.used());
  93 //              System.gc();
  94 //              System.gc();
  95 //              System.gc();
  96 //
  97 //      }
  98
  99         public void test() throws Exception {
 100
 101                 Layer0.getInstance(getSession());
 102
 103                 getSession().registerService(TransactionPolicySupport.class, new TransactionPolicyKeep());
 104 //              getSession().registerService(TransactionPolicySupport.class, new TransactionPolicyRelease());
 105
 106                 // First build the test data
 107                 Resource root = time("write", HierarchicalNames.writeOnly(name, sizes));
 108
 109                 // Read everything after write
 110                 time("response", HierarchicalNames.readAsyncTypes(root));
 111
 112                 Session session = getSession();
 113                 QueryControl cc = session.getService(QueryControl.class);
 114                 cc.flush();
 115
 116                 System.out.println("wait");
 117                 Thread.sleep(3000);
 118                 System.out.println("wait done");
 119
 120                 // Clusters are now loaded
 121                 time("async", HierarchicalNames.readAsyncTypes(root));
 122 //              System.err.println("done");
 123 //              time("async2", HierarchicalNames.readAsync2(root));
 124 //              time("sync", HierarchicalNames.readSync(root));
 125 //              time("sync2", HierarchicalNames.readSync2(root));
 126
 127         }
 128
 129 }