JavaPerformanceTuning/ParallelTask/README at master · bricksfx/JavaPerformanceTuning · GitHub

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To build:

ant

To run:

java <jvmargs> -jar jars/paralleltask.jar nThreads nDoubles mode \

balanced [size]

nThreads - Size of the executor or fork/join pool

nDoubles - Size of the double array

mode - 0 for thread pool, 1 for fork/join pool

unbalanced - false for the balanced test; true for the unbalanced test

size - optional, size at which to switch from recursive fork/join

tasks to simple array counting (default 10)

Example 9-4:

java -Xmx4g -Xms4g -jar jars/paralleltask.jar 1_or_4 100000000 0_or_1 false

Example 9-5:

java -Xmx4g -Xms4g -jar jars/paralleltask.jar 1_or_4 10000 0_or_1 true

Example 9-6:

java -Xmx4g -Xms4g -jar jars/paralleltask.jar 1_or_4 100000000 \

0_or_1 false desired_size

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