Simple java project to compare algorithm performance
Project information: Benchmark Site
mvn compile
mvn package dependency:copy-dependencies
gradle distZip
This is a pure java exemple accessing class fields
| Min | AVG | Max | Variation |
|---|---|---|---|
| 0ns | 3ms | 63ms | 3ms |
The same funcionality using pure java reflection
| Min | AVG | Max | Variation |
|---|---|---|---|
| 7ms | 21ms | 311ms | 19ms |
The same example using the library Apache BenUtils
| Min | AVG | Max | Variation |
|---|---|---|---|
| 4ms | 50ms | 2se | 72ms |
A sample test with this regex string ".*([\\d]+)" pre-compile and without compile:
Note: This chart was generated withou this commit de16ba345a65b1fbdd433fe9c32e7862b25564ba by @pslacerda . In this chart you can see the big difference by the first execution and the others.
<project>
.
.
.
<repositories>
<repository>
<id>github/edgardleal</id>
<url>https://raw.github.com/edgardleal/benchmark/mvn-repo/</url>
<snapshots>
<enabled>true</enabled>
<updatePolicy>always</updatePolicy>
</snapshots>
</repository>
</repositories>
<dependencies>
<dependency>
<groupId>com.edgardleal.benchmark</groupId>
<artifactId>benchmark</artifactId>
<version>1.0.3</version>
</dependency>
</dependencies>
</project>