Java version using fork/join #21
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Updated to include some minor improvements. Running the test 25 times I get: With all cores at 100% As a comparison, I modified the .NET Core version to run 25 times also, and got the following: With all eight cores average 75%. On the first run out of 25, the Java version appears to be approximately 3x faster. At the last iteration, the Java version appears to be nearly 40x faster. |
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Well fork-join impl blew away go, scala and java benchmarks on my machine as well. |
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This is a Java implementation using the Fork/Join functionality of 1.7+ (this particular version requires 1.8 or more).
This runs the test ten times to see the effect of a cold vs. warm JVM. On my machine it goes from 250ms to 50ms per run. (By comparison the .NET Core version takes 500ms.) If I run it 1000s of times it gets down to the 10ms to 15ms range.