)]}'
{
  "log": [
    {
      "commit": "9974e3cdc1564edc3143b90d7bb2a416f1f887e7",
      "tree": "4f9746e6b237b2a17cc1e2543a141817d4946c19",
      "parents": [
        "2d19902c3d140c7b9b1d7ae905bd1023a4e649a1"
      ],
      "author": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Wed Jun 10 16:27:06 2020 +0100"
      },
      "committer": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Thu Jun 11 10:06:12 2020 +0000"
      },
      "message": "Clean up generated operator\u003c\u003c(os, enum).\n\nPass enums by value instead of const reference.\n\nDo not generate operator\u003c\u003c sources for headers that have no\nenums or no declarations of operator\u003c\u003c. Do not define the\noperator\u003c\u003c for flag enums; these were unused anyway.\n\nAdd generated operator\u003c\u003c for some enums in nodes.h . Change\nthe operator\u003c\u003c for ComparisonBias so that the graph\nvisualizer can use it but do not use the generated\noperator\u003c\u003c yet as that would require changing checker tests.\n\nTest: m test-art-host-gtest\nTest: testrunner.py --host --optimizing\nChange-Id: Ifd4c455c2fa921a9668c966a13068d43b9c6e173\n"
    },
    {
      "commit": "1715efa0b46d57d587237829d1c0695aaca2c344",
      "tree": "61e7013808a8fa9c45384fa8d84bd7f3eb1eaf34",
      "parents": [
        "9922f00cf68aac69209216a0726a45eb6338763c"
      ],
      "author": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Fri Jun 05 18:34:49 2020 +0100"
      },
      "committer": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Tue Jun 09 12:28:42 2020 +0000"
      },
      "message": "Add a new class status for verified with access checks.\n\nAt runtime, we won\u0027t run the verifier for those classes, but run with\naccess checks enabled in the interpreter.\n\nBug: 157265232\nTest: test.py\n\nChange-Id: Ia087c3b6f9fcbd295307333e524945d844ef54dc\n"
    },
    {
      "commit": "bf12191214c0d6215a98dfe846a51230d995dad9",
      "tree": "085c1059014ce66fdb7eceb6e8502d906f0eacbd",
      "parents": [
        "78342419743cb6d0f17dc2d4c0cd99d18d9c83d6"
      ],
      "author": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Tue Jun 04 13:49:05 2019 +0100"
      },
      "committer": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Fri Jul 26 11:10:26 2019 +0000"
      },
      "message": "Implement ClassStatus::kVisiblyInitialized.\n\nPreviously all class initialization checks involved a memory\nbarrier to ensure appropriate memory visibility. We change\nthat by introducing the kVisiblyInitialized status which can\nbe checked without a memory barrier. Before we mark a class\nas visibly initialized, we run a checkpoint on all threads\nto ensure memory visibility. This is done in batches for up\nto 32 classes to reduce the overhead.\n\nAvoiding memory barriers in the compiled code reduces code\nsize and improves performance. This is also the first step\ntoward fixing a long-standing synchronization bug 18161648.\n\nPrebuilt sizes for aosp_taimen-userdebug:\n - before:\n   arm/boot*.oat: 19150696\n   arm64/boot*.oat: 22574336\n   oat/arm64/services.odex: 21929800\n - after:\n   arm/boot*.oat: 19134508 (-16KiB)\n   arm64/boot*.oat: 22553664 (-20KiB)\n   oat/arm64/services.odex: 21888760 (-40KiB)\n\nTest: m test-art-host-gtest\nTest: testrunner.py --host --optimizing\nTest: aosp_taimen-userdebug boots\nTest: run-gtests.sh -j4\nTest: testrunner.py --target --optimizing\nTest: Manually diff `m dump-oat-boot` output from before\n      with output after this CL without codegen changes,\n      with `sed` replacements for class status. Check that\n      only checksums and the oatdump runtime values of\n      DexCache.dexFile differ.\nBug: 18161648\nBug: 36692143\nChange-Id: Ida10439d347e680a0abf4674546923374ffaa957\n"
    },
    {
      "commit": "2c64a837e62c2839521c89060b5bb0dcb237ddda",
      "tree": "65475ed2e313ff17354e741bac7e9c85739b8b95",
      "parents": [
        "6cd0005698181e4cef2247b632d396e605d58fa3"
      ],
      "author": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Thu Jan 04 11:31:56 2018 +0000"
      },
      "committer": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Fri Jan 05 11:27:50 2018 +0000"
      },
      "message": "Change ClassStatus to fit into 4 bits.\n\nIn preparation for extending the type check bit string from\n24 to 28 bits, rewrite ClassStatus to fit into 4 bits. Also\nperform a proper cleanup of the ClassStatus, i.e. change it\nto an enum class, remove the \"Status\" word from enumerator\nnames, replace \"Max\" with \"Last\" in line with other\nenumerations and remove aliases from mirror::Class.\n\nTest: m test-art-host-gtest\nTest: testrunner.py --host --optimizing\nTest: Pixel 2 XL boots.\nTest: testrunner.py --target --optimizing\nBug: 64692057\nBug: 65318848\nChange-Id: Iec1610ba5dac2c527b36c12819f132e1a77f2d45\n"
    },
    {
      "commit": "86083f7cd118f3d6c757191e83b4e4abaabdc5d7",
      "tree": "8e5b81ae0d09d41bfd90284a1b6b16b2332435e5",
      "parents": [
        "495e783c9180c3fc033ce459ee0a783e633f7754"
      ],
      "author": {
        "name": "Igor Murashkin",
        "email": "iam@google.com",
        "time": "Fri Oct 27 10:59:04 2017 -0700"
      },
      "committer": {
        "name": "Igor Murashkin",
        "email": "iam@google.com",
        "time": "Tue Nov 07 14:47:51 2017 -0800"
      },
      "message": "runtime: Bitstring implementation for subtype checking (4/4).\n\nIntegrate the previous CLs into ART Runtime. Subsequent CLs to add\noptimizing compiler support.\n\nUse spare 24-bits from \"Class#status_\" field to\nimplement faster subtype checking in the runtime. Does not incur any extra memory overhead,\nand (when in compiled code) this is always as fast or faster than the original check.\n\nThe new subtype checking is O(1) of the form:\n\n  src \u003c: target :\u003d\n    (*src).status \u003e\u003e #imm_target_mask \u003d\u003d #imm_target_shifted\n\nBased on the original prototype CL by Zhengkai Wu:\nhttps://android-review.googlesource.com/#/c/platform/art/+/440996/\n\nTest: art/test.py -b -j32 --host\nBug: 64692057\nChange-Id: Iec3c54af529055a7f6147eebe5611d9ecd46942b\n"
    },
    {
      "commit": "ee5303f76ef167714a6a04d3abc502584ac5e103",
      "tree": "7f414df9d48dda94872421de4192daf6ec731681",
      "parents": [
        "c101222c854a0c476f5b6ae64e20adbd38126a3c"
      ],
      "author": {
        "name": "Andreas Gampe",
        "email": "agampe@google.com",
        "time": "Thu Aug 31 15:34:42 2017 -0700"
      },
      "committer": {
        "name": "Andreas Gampe",
        "email": "agampe@google.com",
        "time": "Tue Sep 05 10:46:07 2017 -0700"
      },
      "message": "ART: Move Class::Status to ClassStatus\n\nMove the enum to its own file to lower include burden on others.\nThis is an intentionally small and localized change. Users will\nbe cleaned up in a follow-up.\n\nBug: 63467744\nBug: 65318848\nTest: m test-art-host\nChange-Id: If3bfe6953973e24623e78a2a8dcc69b50117aa3c\n"
    }
  ]
}