GitHub

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  Dawid Weiss 04 May 2015 890612e715a13cbd306ebb55d6499e869ac57d73

  HPPC-150: Make the default key mixing strategy globally configurable (via           "hppc.bitmixer" sysprop). This property allows switching from           random bit mixer strategy to any of the following:           - random               the default strategy. Varies bit mixer per instance.           - deterministic               the default strategy in HPPC up to v. 0.6.x. Varies bit               mixer depending on hash container size.           - none               No bit mixing is used (hash sets/maps become scatter sets/ maps).
            This is a last-resort, discouraged, property. Your code should not
            rely on hash map/set ordering. Your code should use scatter maps when
            speed is of absolute importance and there are guarantees that keys
            won't be copied around to other associative containers.
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  • CHANGES.txt (version 890612e715a13cbd306ebb55d6499e869ac57d73) (diffs)
  • hppc/src/main/java/com/carrotsearch/hppc/HashOrderMixing.java (version 890612e715a13cbd306ebb55d6499e869ac57d73) (diffs)
  • hppc/src/main/templates/com/carrotsearch/hppc/KTypeHashSet.java (version 890612e715a13cbd306ebb55d6499e869ac57d73) (diffs)
  • hppc/src/main/templates/com/carrotsearch/hppc/KTypeVTypeHashMap.java (version 890612e715a13cbd306ebb55d6499e869ac57d73) (diffs)
  • hppc/src/test/java/com/carrotsearch/hppc/ContainersTest.java (version 890612e715a13cbd306ebb55d6499e869ac57d73) (diffs)
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  Dawid Weiss 04 May 2015 9bf30c8b169bc2c284d4fa20fd9b17d0c61cbf84

  HPPC-149: added test. improved initial seed for very short time spans.

  • hppc/src/main/java/com/carrotsearch/hppc/Containers.java (version 9bf30c8b169bc2c284d4fa20fd9b17d0c61cbf84) (diffs)
  • hppc/src/test/java/com/carrotsearch/hppc/ContainersTest.java (version 9bf30c8b169bc2c284d4fa20fd9b17d0c61cbf84) (diffs)