Thomas Schatzl

8253413: [REDO] [REDO] G1 incorrectly limiting young gen size when using the reserve can result in repeated full gcs

4

Hi all, can I have reviews for this change that fixes a bug in how young gen is calculating when G1 is using the region reserve already - in that...

8291912: Introduce per-allocation target struct for members in G1PLABAllocator

3

Hi all, can I get reviews for this change that refactors the many per-destination arrays in `PLABAllocator` into an array of struct as I promised in the review for [JDK-8288966](https://bugs.openjdk.org/browse/JDK-8288966)/[PR#9726](https://github.com/openjdk/jdk/pull/9726)?...

8295118: G1: Clear CLD claim marks concurrently

3

Hi all, can I have reviews for this change that moves out clearing CLD marks from the concurrent start pause to the concurrent phase? The idea is that instead of...

8289822: G1: Make concurrent mark code owner of TAMSes

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Hi all, please review this change that moves TAMS ownership and handling out of `HeapRegion` into `G1ConcurrentMark`. The rationale is that it's intrinsically a data structure only used by the...

8331385: G1: Prefix HeapRegion helper classes with G1

4

Hi all, after [JDK-8330694](https://bugs.openjdk.org/browse/JDK-8330694) which renamed HeapRegion to G1HeapRegion, there were a few related helper classes in this CR that were not renamed. It's purely mechanical renaming without even further...

8342382: Implementation of JEP G1: Improve Application Throughput with a More Efficient Write-Barrier

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Hi all, please review this change that implements (currently Draft) JEP: G1: Improve Application Throughput with a More Efficient Write-Barrier. The reason for posting this early is that this is...

8274051: Remove supports_vtime()/elapsedVTime()

5

Hi all, please review this change that removes the `*vtime()` methods from G1, replacing them with the appropriate `os::thread_cpu_time()` calls. They completely supersede the former ones. Further I made support...

8277394: Remove the use of safepoint_workers in reference processor

6

Hi all, please review this alternate implementation of 8277394. During the review of the first implementation (https://github.com/openjdk/jdk/pull/6453) the reviews did not like that the `WorkerThreads` were stashed away in the...

8373429: gc/g1/TestCodeCacheUnloadDuringConcCycle fails on aarch64

5

Hi all, this is hopefully the last fix attempt for the [gc/g1/TestCodeCacheUnloadDuringConcCycle.java](https://github.com/openjdk/jdk/pull/28822/files#diff-6ce99d53ba7ea02f2c7f0e878f937acecbd64f3c9a6edebcef79d10983cf3c28) test that proves to be fairly unstable across some platforms. Testing: Thanks, Thomas --------- ### Progress - [...