RFR: 8277865: G1: Change integer division to floating point division

Fri Nov 26 14:55:08 UTC 2021

On Fri, 26 Nov 2021 14:35:08 GMT, Leo Korinth <lkorinth at openjdk.org> wrote:

> In the class G1PreConcurrentStartTask::NoteStartOfMarkTask the method `worker_cost` returns a cost of type double, unfortunately the return value is calculated using an integer division:
> 
> `return _claimer.n_regions() / regions_per_thread;`

Marked as reviewed by ayang (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/6577