On Wed, 7 Jan 2026 10:02:41 GMT, Leo Korinth <[email protected]> wrote:
>> This change moves almost all of the ConcurrentMark initialisation from its >> constructor to the method `G1ConcurrentMark::fully_initialize()`. Thus, >> creation time of the VM can be slightly improved by postponing creation of >> ConcurrentMark. Most time is saved postponing creation of statistics buffers >> and threads. >> >> It is not obvious that this is the best solution. I have earlier >> experimented with lazily allocating statistics buffers _only_. One could >> also initialise a little bit more eagerly (for example the concurrent mark >> thread) and maybe get a slightly cleaner change. However IMO it seems better >> to not have ConcurrentMark "half initiated" with a created mark thread, but >> un-initialised worker threads. >> >> This change is depending on the integration of >> https://bugs.openjdk.org/browse/JDK-8373253. >> >> I will be out for vacation, and will be back after new year (and will not >> answer questions during that time), but I thought I get the pull request out >> now so that you can have a look. > > Leo Korinth has updated the pull request incrementally with 561 additional > commits since the last revision: > > - Merge branch 'master' into _8367993 > - 8366058: Outdated comment in WinCAPISeedGenerator > > Reviewed-by: mullan > - 8357258: x86: Improve receiver type profiling reliability > > Reviewed-by: kvn, vlivanov > - 8373704: Improve "SocketException: Protocol family unavailable" message > > Reviewed-by: lucy, jpai > - 8373722: [TESTBUG] > compiler/vectorapi/TestVectorOperationsWithPartialSize.java fails > intermittently > > Reviewed-by: jiefu, jbhateja, erfang, qamai > - 8343809: Add requires tag to mark tests that are incompatible with > exploded image > > Reviewed-by: alanb, dholmes > - 8374465: Spurious dot in documentation for JVMTI ClassLoad > > Reviewed-by: kbarrett > - 8374317: Change GCM IV size to 12 bytes when encrypting/decrypting TLS > session ticket > > Reviewed-by: djelinski, mpowers, ascarpino > - 8374444: Fix simple -Wzero-as-null-pointer-constant warnings > > Reviewed-by: aboldtch > - 8373847: Test javax/swing/JMenuItem/MenuItemTest/bug6197830.java failed > because The test case automatically fails when clicking any items in the > “Nothing” menu in all four windows (Left-to-right)-Menu Item Test and > (Right-to-left)-Menu Item Test > > Reviewed-by: serb, aivanov, dnguyen > - ... and 551 more: https://git.openjdk.org/jdk/compare/b907b295...0ece3767 I will redo the merge, I have done something strange. ------------- PR Comment: https://git.openjdk.org/jdk/pull/28723#issuecomment-3718660595
