RFR: 8290894: Reduce runtime of vm.lang microbenchmarks [v2]

[Roger Riggs]

On Mon, 25 Jul 2022 21:13:48 GMT, Eric Caspole <ecaspole at openjdk.org> wrote:

>> Adds fork and iterations controls. This reduces the runtime from 4h26m to about 21m and still seems stable enough for weekly testing.
>
> Eric Caspole 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 two additional commits since the last revision:
> 
>  - Merge branch 'master' into JDK-8290894
>  - 8290894: Reduce runtime of vm.lang microbenchmarks

LGTM

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Marked as reviewed by rriggs (Reviewer).

PR: https://git.openjdk.org/jdk/pull/9619