Integrated: 8269821: Remove is-queue-active check in inner loop of write_ref_array_pre_work
tschatzl at openjdk.java.net
Mon Jul 5 07:27:52 UTC 2021
On Fri, 2 Jul 2021 14:58:24 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:
> Hi all,
> can I have reviews for this small micro-optimization that removes unnecessary work in the innermost loop of write_ref_array_pre_work()?
> In particular it removes the superfluous check whether marking is active (already done at the top of the loop) and hoists out several other code that the compiler for some reason does not automatically hoist.
> Testing: tier1
This pull request has now been integrated.
Author: Thomas Schatzl <tschatzl at openjdk.org>
Stats: 6 lines in 1 file changed: 4 ins; 0 del; 2 mod
8269821: Remove is-queue-active check in inner loop of write_ref_array_pre_work
Reviewed-by: ayang, kbarrett
More information about the hotspot-gc-dev