Hello World
Code example for PCJ 5: Print Hello World in parallel.
Calculations start from a special StartPoint
class. That class contains main method (public void main()
):
The compilation and execution requires PCJ-5.0.9.jar in the path:
javac -cp .:PCJ.jar HelloWorld.java java -cp .:PCJ-5.0.9.jar HelloWorld
The expected output is presented below:
wrz 23, 2016 2:00:22 AM org.pcj.internal.InternalPCJ start
INFO: PCJ version 5.0.0.SNAPSHOT-a728f5f built on 2016-09-13 00:58:48.180 CEST.
wrz 23, 2016 2:00:22 AM org.pcj.internal.InternalPCJ start
INFO: Starting HelloWorld with 4 threads (on 1 node)...
Hello World from PCJ Thread 2 out of 4
Hello World from PCJ Thread 0 out of 4
Hello World from PCJ Thread 1 out of 4
Hello World from PCJ Thread 3 out of 4
wrz 23, 2016 2:00:22 AM org.pcj.internal.InternalPCJ start
INFO: Completed HelloWorld with 4 threads (on 1 node) after 0h 0m 0s.
BUILD SUCCESSFUL (total time: 0 seconds)
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