[jboss-user] [JBoss Microcontainer Development] - Benchmarking classloaders

[Kabir Khan]

Kabir Khan [http://community.jboss.org/people/kabir.khan%40jboss.com] replied to the discussion

"Benchmarking classloaders"

To view the discussion, visit: http://community.jboss.org/message/554175#554175

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The new simpler scenario has a 100 jars with 10 packages and 15 classes per package, one loader per jar.

The tests are called SiblingVFSXXXBenchmarkTestCase and they run as follows:

Use Loader1 to load all its own classes and those from Loader2
Use Loader2 to load all its own classes and those from Loader3
...

For the exact classloading setups I make Loader 1 import the module/packages exported by Loader2 etc.

I run the tests individually using e.g.
mvn install -Dtest=SiblingVFSImportPackageLoaderBenchmarkTestCase

Running each test individually, I get these average results over 7 runs



|| 
 || *Deploy (ms)* || *Load Classes (ms)* ||
| *Big ball of mud* | 1439 | 4485 |
| *Package* | 1321 | 4880 |
| *Module* | 1461 | 4874 |

The code lives in svn under  https://svn.jboss.org/repos/jbossas/projects/cl-benchmark/trunk https://svn.jboss.org/repos/jbossas/projects/cl-benchmark/trunk

Each family of tests uses its own AbstractTestSetCreator implementation which generates jars under their own directory, e.g. ThreeDeepTestSetCreator and SiblingTestCreator. The tests currently 

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