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<a href="http://community.jboss.org/index.jspa" style="text-decoration: none; color: #E1E1E1">JBoss Community</a></h1>
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Benchmarking classloaders
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reply from <a href="http://community.jboss.org/people/kabir.khan%40jboss.com">Kabir Khan</a> in <i>JBoss Microcontainer Development</i> - <a href="http://community.jboss.org/message/554175#554175">View the full discussion</a>
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<div class="jive-rendered-content"><p>The new simpler scenario has a 100 jars with 10 packages and 15 classes per package, one loader per jar.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The tests are called SiblingVFSXXXBenchmarkTestCase and they run as follows:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Use Loader1 to load all its own classes and those from Loader2</p><p>Use Loader2 to load all its own classes and those from Loader3</p><p>...</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>For the exact classloading setups I make Loader 1 import the module/packages exported by Loader2 etc.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I run the tests individually using e.g.</p><p>mvn install -Dtest=SiblingVFSImportPackageLoaderBenchmarkTestCase</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Running each test individually, I get these average results over 7 runs</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><table border="1" cellpadding="3" cellspacing="0" style="border-collapse: collapse;"><tbody><tr><th style="background-color: #2798d8;"><span style="color: #ffffff;"><br/></span></th><th style="background-color: #2798d8;"><span style="color: #ffffff;"><strong style="font-weight: bold;">Deploy (ms)</strong></span></th><th style="background-color: #2798d8;"><span style="color: #ffffff;"><strong style="font-weight: bold;">Load Classes (ms)</strong></span></th></tr><tr><td><strong style="font-weight: bold;">Big ball of mud</strong></td><td>1439</td><td>4485</td></tr><tr><td><strong style="font-weight: bold;">Package</strong></td><td>1321</td><td>4880</td></tr><tr><td><strong style="font-weight: bold;">Module</strong></td><td>1461</td><td>4874</td></tr></tbody></table><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span>The code lives in svn under </span><a class="jive-link-external-small" href="https://svn.jboss.org/repos/jbossas/projects/cl-benchmark/trunk" target="_blank">https://svn.jboss.org/repos/jbossas/projects/cl-benchmark/trunk</a></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Each family of tests uses its own AbstractTestSetCreator implementation which generates jars under their own directory, e.g. ThreeDeepTestSetCreator and SiblingTestCreator. The tests currently </p></div>
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<p style="margin: 0;">Reply to this message by <a href="http://community.jboss.org/message/554175#554175">going to Community</a></p>
<p style="margin: 0;">Start a new discussion in JBoss Microcontainer Development at <a href="http://community.jboss.org/choose-container!input.jspa?contentType=1&containerType=14&container=2115">Community</a></p>
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