RFR: 8265057: G1: Investigate removal of maintenance of two BOT thresholds

Tue Aug 3 13:41:29 UTC 2021

On Tue, 3 Aug 2021 13:25:07 GMT, Ivan Walulya <iwalulya at openjdk.org> wrote:

> Hi all,
> 
> Please review this change to remove `_next_offset_index` and maintain only one threshold `_next_offset_threshold` a direct pointer to the BOT entry in the BOT. We derive the next_offset_index from from _next_offset_threshold where required. Performance tests do not show any regression as a result of this change. 
> 
> Testing: Tier 1-5

Marked as reviewed by ayang (Committer).

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

PR: https://git.openjdk.java.net/jdk/pull/4972