John Fang created STORM-1650:
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Summary: improve performance by XORShiftRandom
Key: STORM-1650
URL: https://issues.apache.org/jira/browse/STORM-1650
Project: Apache Storm
Issue Type: Improvement
Reporter: John Fang
Assignee: John Fang
Implement a random number generator based on the XORShift algorithm discovered
by George Marsaglia. This RNG is observed 4.5 times faster than {@link Random}
in benchmark, with the cost that abandon thread-safety. So it's recommended to
create a new {@link XORShiftRandom} for each thread.
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