[lworld] RFR: 8254957: Comparison of ArrayList with int, Integer, PrimitiveInt, ... [v2]

[Roger Riggs]

> Prototypes and JMH benchmarks to compare possible implementations of ArrayListInt, ArrayListPrimitiveInt with
> ArrayList<Integer> and ArrayList<PrimitiveInt>.
> Located in .../test/micro/org/openjdk/bench/valhalla/sandbox/corelibs/...

Roger Riggs has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev
excludes the unrelated changes brought in by the merge/rebase. The pull request contains six additional commits since
the last revision:

 - Merge branch 'lworld' into ArrayListOfInt
 - simplify ArrayListOfIntBench to reduce running time
 - Merge branch 'lworld' into ArrayListOfInt
 - adding benchmarks
 - Benchmark cleanup and improvements
 - Start of comparison of List<int>, List<Integer>, List<PrimitiveInt>

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

Changes:
  - all: https://git.openjdk.java.net/valhalla/pull/229/files
  - new: https://git.openjdk.java.net/valhalla/pull/229/files/12c87535..a7620d1d

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=valhalla&pr=229&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=valhalla&pr=229&range=00-01

  Stats: 67 lines in 3 files changed: 26 ins; 15 del; 26 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/229.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/229/head:pull/229

PR: https://git.openjdk.java.net/valhalla/pull/229