Open koppor opened 3 years ago
As we are now at java 16 this can be closed right?
As we are now at java 16 this can be closed right?
No. The first two paragraphs of the PR description still remain valid:
Eclipse OpenJ9 is a JVM developed by IBM since the 90s. It has superior performance compared to Oracle's JVM: https://www.eclipse.org/openj9/performance/
We should give it a try in JabRef, too.
Blocked by:
D:\a\jabref\jabref\build\jlinkbase\tmpjars\org.jabref.merged.module\module-info.java:1446: error: module not found: jdk.jfr
requires jdk.jfr;
^
1 error
OpenJ9is now officially supported by setup-java: https://github.com/actions/setup-java#supported-distributions
Blocked by
Error: jdk.internal.org.objectweb.asm.MethodTooLargeException: Method too large: jdk/internal/module/SystemModules$all.moduleDescriptors ()[Ljava/lang/module/ModuleDescriptor;
[ERROR] Error: jdk.internal.org.objectweb.asm.MethodTooLargeException: Method too large
Google found https://bell-sw.com/announcements/2022/06/28/hotspot-vs-openj9-performance-comparison/
The experiment results are similar on all tested platforms and demonstrate that Liberica JDK with configured HotSpot is comparable to or better than OpenJ9. t is worth noting that the default HotSpot gives much lower latency and higher throughput than OpenJ9 on a server-class node
However, OpenJ9 can be configured even more, which was not done by the Liberica-Persons. See https://www.eclipse.org/openj9/docs/openj9_newuser/.
Other comment - from https://www.reddit.com/r/java/comments/ga1m4f/comment/fp1fsic/?utm_source=share&utm_medium=web2x&context=3
Here you have a situation of the team that's least familiar with OpenJDK, least engaged, and contributing the least also happens to be the only one doing something extremely misleading (the similarity of the OpenJ9 SDK and OpenJDK is less than 60%) and explicitly forbidden.
Current build blocked by https://bugs.openjdk.org/browse/JDK-8240567
OMG (1), they switched their distribution "name" (and kind) -- https://github.com/eclipse-openj9/openj9/issues/15060
OMG (2), they do not have any JDK21 build released to SDKMan (yet).
"semeru" is the packaging of OpenJ9 (see https://developer.ibm.com/languages/java/semeru-runtimes/downloads/). It is available as IBM
at the toolchains - https://github.com/gradle/foojay-toolchains
Current build - on macOS:
Error: Hash of java.rmi (03f539ebf91c81cfc7a81236d2c1109e0d050c839d03c6f757022b99a10cb819) differs to expected hash (07126a5cefcc6c19d9059cfa4b42ec832f3714a1ef89f103afc2d1ab61b79bc7) recorded in java.base
Asked at https://openj9.slack.com/archives/C862YFGL9/p1716031780540649
Background and Motivation
Eclipse OpenJ9 is a JVM developed by IBM since the 90s. It has superior performance compared to Oracle's JVM: https://www.eclipse.org/openj9/performance/
We should give it a try in JabRef, too.
TODOs
Changes