RFR: 8300002: Performance regression caused by non-inlined hot methods due to post call noop instructions [v5]

Sergey Kuksenko skuksenko at openjdk.org
Mon Jan 16 02:59:32 UTC 2023


> Post call nop instructions increase the size of methods, which leads to different inline decisions and performance regression.
> Restore inline behavior by excluding post call nop instructions sizes from inline heuristics.

Sergey Kuksenko has updated the pull request incrementally with one additional commit since the last revision:

  remove unused fields

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/11958/files
  - new: https://git.openjdk.org/jdk/pull/11958/files/c1379493..dc849600

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=11958&range=04
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=11958&range=03-04

  Stats: 8 lines in 4 files changed: 0 ins; 4 del; 4 mod
  Patch: https://git.openjdk.org/jdk/pull/11958.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11958/head:pull/11958

PR: https://git.openjdk.org/jdk/pull/11958


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