[hibernate-issues] [JIRA] (HHH-16052) EntityKey and CollectionKey equality optimisation

Sanne Grinovero ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *created* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiY2VkOGJiZjBm... ) / Improvement ( https://hibernate.atlassian.net/browse/HHH-16052?atlOrigin=eyJpIjoiY2VkOG... ) HHH-16052 ( https://hibernate.atlassian.net/browse/HHH-16052?atlOrigin=eyJpIjoiY2VkOG... ) EntityKey and CollectionKey equality optimisation ( https://hibernate.atlassian.net/browse/HHH-16052?atlOrigin=eyJpIjoiY2VkOG... ) Issue Type: Improvement Assignee: Sanne Grinovero ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) Components: hibernate-core Created: 17/Jan/2023 03:20 AM Environment: Since IdentifierType#isEqual is a megamorphic operation, it's worthwhile attempting to avoid the operation when there's good chances that the IDs are actually the same. This is a fairly common operation and has shown beneficial impact on general performance. Fix Versions: 6.2.0 Labels: performance Priority: Major Reporter: Sanne Grinovero ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) ( https://hibernate.atlassian.net/browse/HHH-16052#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16052#add-comment?atlOrigin=ey... ) Get Jira notifications on your phone! Download the Jira Cloud app for Android ( https://play.google.com/store/apps/details?id=com.atlassian.android.jira.... ) or iOS ( https://itunes.apple.com/app/apple-store/id1006972087?pt=696495&ct=Em... ) This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#100214- sha1:771690a )