https://github.com/lemire/microbenchmarks

Private microbenchmarks
https://github.com/lemire/microbenchmarks

Last synced: 9 months ago
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Private microbenchmarks

• Host: GitHub
• URL: https://github.com/lemire/microbenchmarks
• Owner: lemire
• License: apache-2.0
• Created: 2014-12-23T20:08:22.000Z (over 11 years ago)
• Default Branch: master
• Last Pushed: 2018-04-13T19:52:22.000Z (over 8 years ago)
• Last Synced: 2025-02-01T21:11:09.641Z (over 1 year ago)
• Language: Java
• Size: 519 KB
• Stars: 15
• Watchers: 4
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
microbenchmarks

===============

 Range Minimum Query

--------------------

http://stackoverflow.com/questions/42570135/java-method-call-performance

        mvn clean install

        java -cp target/microbenchmarks-0.0.1-jar-with-dependencies.jar me.lemire.microbenchmarks.rangequery.RangeMinimum

Mysterious issue

-------------------

http://stackoverflow.com/questions/41622613/why-is-my-java-lambda-with-a-dummy-assignment-much-faster-than-without-it

        mvn clean install

        java -cp target/microbenchmarks-0.0.1-jar-with-dependencies.jar me.lemire.microbenchmarks.mysteries.MysteriousLambda

Bitset

---------

        mvn clean install

        java -cp target/microbenchmarks-0.0.1-jar-with-dependencies.jar me.lemire.microbenchmarks.bitset.Bitset

Compare direct vs. heap buffers

-------------------------------

        mvn clean install

        java -cp target/microbenchmarks-0.0.1-jar-with-dependencies.jar me.lemire.microbenchmarks.bytebuffer.DirectVSHeapVSArray

Java RNG is slow

-----------------

        mvn clean install

        java -cp target/microbenchmarks-0.0.1-jar-with-dependencies.jar me.lemire.microbenchmarks.random.RandomNumberGenerator

Integer sums

--------------

This is my answer to the following blog post: http://www.vitavonni.de/blog/201412/2014122201-java-sum-of-array-comparisons.html

        mvn clean install

        java -cp target/microbenchmarks-0.0.1-jar-with-dependencies.jar me.lemire.microbenchmarks.integersum.SumBenchmark -wi 5 -i 5 -f 1

Hashing

---------

        java -cp target/microbenchmarks-0.0.1-jar-with-dependencies.jar me/lemire/hashing/InterleavedHash

Shuffle

-----------

        java -cp target/microbenchmarks-0.0.1-jar-with-dependencies.jar me.lemire.microbenchmarks.algorithms.Shuffle