Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Fix Version/s: 2.0.1
    • Component/s: None
    • Labels:
      None

      Description

      Currently getting data to and from offheap is slow due to individual calls to getByte() and putByte()

      The following patch makes this a single call and is 10x faster

      benchmark:
           [java]  0% Scenario{vm=java, trial=0, benchmark=GetBytesOld} 82266.48 ns; σ=2532.87 ns @ 10 trials
           [java] 50% Scenario{vm=java, trial=0, benchmark=GetBytesNew} 7876.95 ns; σ=489.78 ns @ 10 trials
           [java]
           [java]   benchmark    us linear runtime
           [java] GetBytesOld 82.27 ==============================
           [java] GetBytesNew  7.88 ==
           [java]
           [java] vm: java
           [java] trial: 0
      

        Attachments

        1. memperf.txt
          1 kB
          T Jake Luciani
        2. memfix.txt
          1.0 kB
          T Jake Luciani

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            People

            • Assignee:
              tjake T Jake Luciani
              Reporter:
              tjake T Jake Luciani
              Reviewer:
              Jonathan Ellis
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              Dates

              • Created:
                Updated:
                Resolved: