> 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 with a new target base due to a merge or a rebase. The pull request now contains 564 commits: - Merge branch '8373253' into 8367993 - Merge branch 'master' into _8373253 - Merge branch 'master' into _8367993 - 8366058: Outdated comment in WinCAPISeedGenerator Reviewed-by: mullan - 8357258: x86: Improve receiver type profiling reliability Reviewed-by: kvn, vlivanov - 8373704: Improve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 - ... and 554 more: https://git.openjdk.org/jdk/compare/2aa8aa4b...28ccbb68 ------------- Changes: https://git.openjdk.org/jdk/pull/28723/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=28723&range=02 Stats: 130308 lines in 3967 files changed: 83803 ins; 29735 del; 16770 mod Patch: https://git.openjdk.org/jdk/pull/28723.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/28723/head:pull/28723 PR: https://git.openjdk.org/jdk/pull/28723
