)]}'
{
  "log": [
    {
      "commit": "bdc93b47e2e7e8f17413669e03bc461d259d16f6",
      "tree": "bd1c632196a437e90d012475afa83adf614be538",
      "parents": [
        "f52d92fce224c86491d9b0fd6fca805564119426"
      ],
      "author": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Fri Mar 29 16:12:04 2019 +0000"
      },
      "committer": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Mon Apr 01 09:37:59 2019 +0000"
      },
      "message": "ObjPtr\u003c\u003e-ify StackTraceElement and ClassLoader.\n\nTest: m test-art-host-gtest\nTest: testrunner.py --host --optimizing\nBug: 31113334\nChange-Id: I457eeda55bbfb905dd2de0abd68451ab42ef9c1f\n"
    },
    {
      "commit": "70f5fd0770adbef645950895309a2a63c3bde7c0",
      "tree": "d9794484e83858cf7e33551eb8a108e07f46b18c",
      "parents": [
        "52ecb65ae9e1ad6fe7f58beecc88cdc08e08f0c4"
      ],
      "author": {
        "name": "Andreas Gampe",
        "email": "agampe@google.com",
        "time": "Wed Oct 24 19:58:37 2018 -0700"
      },
      "committer": {
        "name": "Andreas Gampe",
        "email": "agampe@google.com",
        "time": "Fri Oct 26 08:44:12 2018 -0700"
      },
      "message": "ART: Add class-alloc-inl.h\n\nIn an effort to reduce the (transitive) proliferation of heap-inl\nadd a specific inline header for class instance allocation.\n\nBug: 118385392\nTest: mmma art\nTest: m test-art-host\nChange-Id: I32529f0221a836452c58687330a91ac0d5fde162\n"
    },
    {
      "commit": "317892b756cd2a87c01928b09e99e020c86dea10",
      "tree": "bb337ff8cd81c049e781afbd8c68b72ca30907fc",
      "parents": [
        "1539a11150ca9c28fec353b38508267c41d7814b"
      ],
      "author": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Thu May 31 11:11:32 2018 +0100"
      },
      "committer": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Thu May 31 13:56:49 2018 +0100"
      },
      "message": "Remove static GcRoot\u003c\u003es from Class and ClassExt.\n\nAnd clean up gc_root includes in runtime/mirror/.\n\nTest: m test-art-host-gtest\nTest: testrunner.py --host --optimizing\nBug: 31113334\nChange-Id: Ib5c42a3a892ced4440720350a63a94bcf3a1ca75\n"
    },
    {
      "commit": "adbceb73b19cfad3ff9011390415a680382a21ec",
      "tree": "b7d4c12fb8cc8d4f9091d48d8e2c35a06b7a8e26",
      "parents": [
        "aab8bc928a8eff425d5e5755fde75b1cb55998a9"
      ],
      "author": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Tue May 29 14:34:14 2018 +0100"
      },
      "committer": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Tue May 29 17:48:45 2018 +0100"
      },
      "message": "Remove GcRoot\u003c\u003e static from Throwable and related classes.\n\nTest: m test-art-host-gtest\nTest: testrunner.py --host --optimizing\nBug: 31113334\nChange-Id: I8115e6413a07419ec261af3ec5068833b72b5218\n"
    },
    {
      "commit": "8cf9cb386cd9286d67e879f1ee501ec00d72a4e1",
      "tree": "88e86e214b425e444760fe4e0ffeee677e1558a2",
      "parents": [
        "914b7b6a6c9f399b26b41e9160e9871ef749e0db"
      ],
      "author": {
        "name": "Andreas Gampe",
        "email": "agampe@google.com",
        "time": "Wed Jul 19 09:28:38 2017 -0700"
      },
      "committer": {
        "name": "Andreas Gampe",
        "email": "agampe@google.com",
        "time": "Mon Jul 24 16:07:10 2017 -0700"
      },
      "message": "ART: Include cleanup\n\nLet clang-format reorder the header includes.\n\nDerived with:\n\n* .clang-format:\n BasedOnStyle: Google\n IncludeIsMainRegex: \u0027(_test|-inl)?$\u0027\n\n* Steps:\n find . -name \u0027*.cc\u0027 -o -name \u0027*.h\u0027 | xargs sed -i.bak -e \u0027s/^#include/ #include/\u0027 ; git commit -a -m \u0027ART: Include cleanup\u0027\n git-clang-format -style\u003dfile HEAD^\n manual inspection\n git commit -a --amend\n\nTest: mmma art\nChange-Id: Ia963a8ce3ce5f96b5e78acd587e26908c7a70d02\n"
    },
    {
      "commit": "508fdf3eb53824f109c89f98484927085bdc43ba",
      "tree": "4ed08886adc50962b7fd46936923e29057e2fdb2",
      "parents": [
        "2ff3b97500b717f69415ae474d5cfb1613cd15ee"
      ],
      "author": {
        "name": "Andreas Gampe",
        "email": "agampe@google.com",
        "time": "Mon Jun 05 16:42:13 2017 -0700"
      },
      "committer": {
        "name": "Andreas Gampe",
        "email": "agampe@google.com",
        "time": "Mon Jun 05 20:28:21 2017 -0700"
      },
      "message": "ART: Small class-inl.h cleanup\n\nRemove unnecessary class_linker-inl.h include, and fix up all\ntransitives (mainly gc_root-inl.h). Also clean up reference.h.\n\nTest: m test-art-host\nChange-Id: I47bd6edcfe4a23821e37a6e6fa8cca91d0d2d226\n"
    },
    {
      "commit": "31e88225b2ef68e7f32f11186acf922c74ddabab",
      "tree": "ca50f60634854056bb652e7c375e5ccca2def5cd",
      "parents": [
        "602142692643d8cd2c48d9aaeece26470f702e3b"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Fri Oct 14 18:43:19 2016 -0700"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Mon Oct 17 11:36:39 2016 -0700"
      },
      "message": "Move most mirror:: args to ObjPtr\n\nFixed possible moving GC bugs in ClinitImageUpdate class.\n\nBug: 31113334\n\nTest: test-art-host\nChange-Id: I0bf6578553d58b944aaa17665f1350bdf5ed15ec\n"
    },
    {
      "commit": "28bd2e4f151267b34b8e1eb19c489d8d547bbf5c",
      "tree": "d99ae3fe74ea63b83091898d830d3efe68cd479d",
      "parents": [
        "6e5fa09510c7280168e040382d27dd8b55760d9a"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Tue Oct 04 13:54:57 2016 -0700"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Thu Oct 13 10:59:28 2016 -0700"
      },
      "message": "Move mirror::Class to use ObjPtr\n\nLeave the return types as non ObjPtr for now. Fixed moving GC bugs\nin tests.\n\nTest: test-art-host\n\nBug: 31113334\n\nChange-Id: I5da1b5ac55dfbc5cc97a64be2c870ba9f512d9b0\n"
    },
    {
      "commit": "2cebb24bfc3247d3e9be138a3350106737455918",
      "tree": "d04d27d21b3c7733d784e303f01f873bb99e7770",
      "parents": [
        "1f02f1a7b3073b8fef07770a67fbf94afad317f0"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Tue Apr 21 16:50:40 2015 -0700"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Wed Apr 22 12:44:27 2015 -0700"
      },
      "message": "Replace NULL with nullptr\n\nAlso fixed some lines that were too long, and a few other minor\ndetails.\n\nChange-Id: I6efba5fb6e03eb5d0a300fddb2a75bf8e2f175cb\n"
    },
    {
      "commit": "bb87e0f1a52de656bc77cb01cb887e51a0e5198b",
      "tree": "113f014c6e20fab3e936a3ac05f9f738639541f6",
      "parents": [
        "e57fc0f0260fcb1d08cbb720ec95c04c0f394b91"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Fri Apr 03 11:21:55 2015 -0700"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Mon Apr 06 10:44:37 2015 -0700"
      },
      "message": "Refactor and improve GC root handling\n\nChanged GcRoot to use compressed references. Changed root visiting to\nuse virtual functions instead of function pointers. Changed root visting\ninterface to be an array of roots instead of a single root at a time.\nAdded buffered root marking helper to avoid dispatch overhead.\n\nRoot marking seems a bit faster on EvaluateAndApplyChanges due to batch\nmarking. Pause times unaffected.\n\nMips64 is untested but might work, maybe.\n\nBefore:\nMarkConcurrentRoots: Sum: 67.678ms 99% C.I. 2us-664.999us Avg: 161.138us Max: 671us\n\nAfter:\nMarkConcurrentRoots: Sum: 54.806ms 99% C.I. 2us-499.986us Avg: 136.333us Max: 602us\n\nBug: 19264997\n\nChange-Id: I0a71ebb5928f205b9b3f7945b25db6489d5657ca\n"
    },
    {
      "commit": "e34fa1df67fbe0173b4ea9abddcc3ae3d0537037",
      "tree": "a5148f079b5671a95f60910c41981ebf91db3a02",
      "parents": [
        "9f06b1946ae3ef1d2fd75bbf7f0a288bc611fe58"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Wed Jan 14 14:55:47 2015 -0800"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Thu Jan 15 12:23:28 2015 -0800"
      },
      "message": "Print more info in MarkSweep::VerifyRoot\n\nRefactored old root callback to use a new class called RootInfo.\nRootInfo contains all the relevant info related to the root\nassociated with the callback. The MarkSweep::VerifyRoot function\nnow uses this info to print the StackVisitor\u0027s described location\nif the GC root is of the type kRootJavaFrame.\n\nSome other cleanup.\n\nExample output:\nE/art     (12167): Tried to mark 0x123 not contained by any spaces\nE/art     (12167): Attempting see if it\u0027s a bad root\nE/art     (12167): Found invalid root: 0x123 with type RootJavaFrame\nE/art     (12167): Location\u003dVisiting method\n\u0027void java.lang.Runtime.gc()\u0027 at dex PC 0xffffffff (native PC 0x0)\nvreg\u003d0\n\n(cherry picked from commit 12f7423a2bb4bfab76700d84eb6d4338d211983a)\n\nBug: 18588862\nChange-Id: Ic5a2781f704e931265ffb3621c2eab4b2e25f60f\n"
    },
    {
      "commit": "94f7b49578b6aaa80de8ffed230648d601393905",
      "tree": "cfc69e453faefee38178ceb85378e1f0f1e17812",
      "parents": [
        "8df73882c60451e7f789bf9b1f3db2d7dc228640"
      ],
      "author": {
        "name": "Hiroshi Yamauchi",
        "email": "yamauchi@google.com",
        "time": "Tue Jul 22 18:08:23 2014 -0700"
      },
      "committer": {
        "name": "Hiroshi Yamauchi",
        "email": "yamauchi@google.com",
        "time": "Tue Jul 29 13:30:46 2014 -0700"
      },
      "message": "Add GcRoot to clean up and enforce read barriers.\n\nIntroduce a value-type wrapper around Object* for GC roots so that 1)\nwe won\u0027t have to directly add the read barrier code in many places and\n2) we can avoid accidentally bypassing/missing read barriers on GC\nroots (the GcRoot interface ensures that the read barrier is executed\non a read).\n\nThe jdwp test passed.\n\nBug: 12687968\nChange-Id: Ib167c7c325b3c7e3900133578815f04d219972a1\n"
    },
    {
      "commit": "0cd81352a7c06e381951cea1b104fd73516f4341",
      "tree": "fcc8ff9cdeb608d0913097aa1fb64d1879f11ffa",
      "parents": [
        "dfd301f19800a4f168283cf2d0b15b2c09071955"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Thu May 22 16:48:55 2014 -0700"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Fri May 23 12:55:45 2014 -0700"
      },
      "message": "Revert \"Revert \"Fix an outstanding compaction bug in interpreter.\"\"\n\nFixed the generic trampoline to not use ToJObject when unnecessary.\n\nBug: 15167269\n\nThis reverts commit 3bdb873122964da7937eb070cbcf2ef638a8e459.\n\nChange-Id: I0525d0e0f3afb753c770e1572070a0fa22b02271\n"
    },
    {
      "commit": "3bdb873122964da7937eb070cbcf2ef638a8e459",
      "tree": "3d29123f33853e11adb67bdd6ac56f19ee798a1f",
      "parents": [
        "e09ae0920be57760fb390b6944bce420fa0b5582"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Thu May 22 22:06:51 2014 +0000"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Thu May 22 22:06:51 2014 +0000"
      },
      "message": "Revert \"Fix an outstanding compaction bug in interpreter.\"\n\nThis reverts commit e09ae0920be57760fb390b6944bce420fa0b5582.\n\nChange-Id: I48036306130d5ccfec683d0dc3e9a642a02ee9c1\n"
    },
    {
      "commit": "e09ae0920be57760fb390b6944bce420fa0b5582",
      "tree": "acc40266093df4289ffb6728c979cafd6b5114d2",
      "parents": [
        "b8033db2a8dc6f7c7e29b1552177542964f56e44"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Thu May 15 12:39:19 2014 -0700"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Thu May 22 10:47:44 2014 -0700"
      },
      "message": "Fix an outstanding compaction bug in interpreter.\n\nFixed a bug in DoFieldPut where the FieldHelper GetType could cause\nthread suspension which would result in a stale obj.\n\nAdded more handles in the class linker to facilitate moving fiels\nand methods in the future.\n\nRemoved un-necessarly passing handle references since these are value\ntypes and don\u0027t need to be passed by reference.\n\nAdded a special NullHandle type which allows null handles without a\nhandle scope.\n\nChange-Id: I1b51723920a2e4f4f8b2907066f578a3e879fd5b\n"
    },
    {
      "commit": "eb8167a4f4d27fce0530f6724ab8032610cd146b",
      "tree": "bcfeaf13ad78f2dd68466bbd0e20c71944f7e854",
      "parents": [
        "6fb66a2bc4e1c0b7931101153e58714991237af7"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Wed May 07 15:43:14 2014 -0700"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Tue May 13 14:45:54 2014 -0700"
      },
      "message": "Add Handle/HandleScope and delete SirtRef.\n\nDelete SirtRef and replaced it with Handle. Handles are value types\nwhich wrap around StackReference*.\n\nRenamed StackIndirectReferenceTable to HandleScope.\n\nAdded a scoped handle wrapper which wraps around an Object** and\nrestores it in its destructor.\n\nRenamed Handle::get -\u003e Get.\n\nBug: 8473721\n\nChange-Id: Idbfebd4f35af629f0f43931b7c5184b334822c7a\n"
    },
    {
      "commit": "b0fa5dc7769c1e054032f39de0a3f6d6dd06f8cf",
      "tree": "839d13ebfa7170967dd9b4abd434b7abda53da99",
      "parents": [
        "948740c1938860df055ddc801f20fd1707331e38"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Mon Apr 28 16:47:08 2014 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Tue Apr 29 14:36:28 2014 -0700"
      },
      "message": "Force inlining on trivial accessors.\n\nMake volatility for GetFieldObject a template parameter.\nMove some trivial mirror::String routines to a -inl.h.\n\nBug: 14285442\n\nChange-Id: Ie23b11d4f18cb15a62c3bbb42837a8aaf6b68f92\n"
    },
    {
      "commit": "c645f1ddb7c40bea6a38eda4b3f83f6b6dec405b",
      "tree": "de6141864c1c011216c19dd99a2c1e2bc442dd6d",
      "parents": [
        "a9d7be62735e3356cef7e8ed797c519134a17061"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Thu Mar 06 18:11:53 2014 -0800"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Fri Mar 07 12:09:04 2014 -0800"
      },
      "message": "Add more VerifyObject calls.\n\nAdded verify object calls to SirtRef, IndirectReferenceTable,\nReferenceTable.\n\nRemoved un-needed verify object in ScopedObjectAccess / DecodeJObject\nsince object sources are handled.\n\nBug: 12934910\nChange-Id: I55a46a8ea61fed2a77526eda27fd2cce97a9b125\n"
    },
    {
      "commit": "815873ecc312b1d231acce71e1a16f42cdaf09f2",
      "tree": "18ba2fa951775e60b240271bfe975e6e2cfc654c",
      "parents": [
        "2befd09cf4fe89a18a655f3e1dd310831bfa769f"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Thu Feb 13 18:02:13 2014 -0800"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Tue Feb 18 10:45:12 2014 -0800"
      },
      "message": "Change root visitor to use Object**.\n\nSimplifies code and improves the performance of root visiting since\nwe usually don\u0027t need to check to see if the object moved.\n\nChange-Id: Iba998f5a15ae1fa1b53ca5226dd2168a411196cf\n"
    },
    {
      "commit": "d2fe10a3a34af171bf1631219cd2d6ff6b7778b5",
      "tree": "b6b7eb8eba23a5c2723518da99c03bf47b97f58a",
      "parents": [
        "5a3f55ad9519e87c0d3bbddaf3d8a186a887a79b"
      ],
      "author": {
        "name": "Sebastien Hertz",
        "email": "shertz@google.com",
        "time": "Wed Jan 15 10:20:56 2014 +0100"
      },
      "committer": {
        "name": "Sebastien Hertz",
        "email": "shertz@google.com",
        "time": "Mon Feb 17 11:32:15 2014 +0100"
      },
      "message": "Remove blacklist\n\nRemoves the class initialization blacklist and use transaction to detect and\nrevert class initialization attempting to invoke native method. This only\nconcerns class initialization happening at compilation time when generating an\nimage (like boot.art for the system).\n\nIn transactional mode, we log every object\u0027s field assignment and array update.\nTherefore we\u0027re able to abort a transaction to restore values of fields and\narray as they were before the transaction starts. We also log changes to the\nintern string table so we can restore its state prior to transaction start.\n\nSince transactional mode only happens at compilation time, we don\u0027t need to log\nall these changes at runtime. In order to reduce the overhead of testing if\ntransactional mode is on/off, we templatize interfaces of mirror::Object and\nmirror::Array, respectively responsible for setting a field and setting an\narray element.\n\nFor various reasons, we skip some specific fields from transaction:\n- Object\u0027s class and array\u0027s length must remain unchanged so garbage collector\ncan compute object\u0027s size.\n- Immutable fields only set during class loading: list of fields, method,\ndex caches, vtables, ... as all classes have been loaded and verified before a\ntransaction occurs.\n- Object\u0027s monitor for performance reason.\n\nBefore generating the image, we browse the heap to collect objects that need to\nbe written into it. Since the heap may still holds references to unreachable\nobjects due to aborted transactions, we trigger one collection at the end of\nthe class preinitialization phase.\n\nSince the transaction is held by the runtime and all compilation threads share\nthe same runtime, we need to ensure only one compilation thread has exclusive\naccess to the runtime. To workaround this issue, we force class initialization\nphase to run with only one thread. Note this is only done when generating image\nso application compilation is not impacted. This issue will be addressed in a\nseparate CL.\n\nBug: 9676614\nChange-Id: I221910a9183a5ba6c2b99a277f5a5a68bc69b5f9\n"
    },
    {
      "commit": "83c8ee000d525017ead8753fce6bc1020249b96a",
      "tree": "d5167ed15dee2629905ac3640b6ea0578d4ae312",
      "parents": [
        "7cba217ab0661d74deccbb97160cdf60b74d4ea3"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Tue Jan 28 14:50:23 2014 -0800"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Tue Feb 11 10:40:10 2014 -0800"
      },
      "message": "Add root types and thread id to root visiting.\n\nEnables us to pass the root type and thread id to hprof.\n\nBug: 12680863\nChange-Id: I6a0f1f9e3aa8f9b4033d695818ae7ca3460d67cb\n"
    },
    {
      "commit": "c528dba35b5faece51ca658fc008b688f8b690ad",
      "tree": "d95c113a639d07f7e3b88e8a6caa9b5f6e044801",
      "parents": [
        "76f552307ee980221626d1dff0ada56c989d24ca"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Tue Nov 26 12:00:11 2013 -0800"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Tue Dec 10 16:00:58 2013 -0800"
      },
      "message": "Enable moving classes.\n\nSlight reduction in Zygote size, memory savings are in the noise.\nBefore: Zygote size: 8739224\nAfter: Zygote size: 8733568\n\nFixed a bug where we didn\u0027t set the concurrent start bytes after\nswitching the allocator from bump pointer to ROSAlloc in the\nzygote. This caused excessive memory usage.\n\nAdded the method verifiers as roots to fix an issue caused by\nRegTypes holding a Class*.\n\nAdded logic to clear card table in the SemiSpace collector, this\nreduces DalvikOther from ~2400k -\u003e ~1760k when using the SemiSpace\ncollector.\n\nAdded a missing lock to the timing loggers which caused a rare\none time crash in std::set.\n\nBug: 11771255\nBug: 8499494\nBug: 10802951\n\nChange-Id: I99d2b528cd51c1c5ed7012e3220b3aefded680ae\n"
    },
    {
      "commit": "590fee9e8972f872301c2d16a575d579ee564bee",
      "tree": "b02db45c72f1911ec896b93379ada0276aea3199",
      "parents": [
        "5b70680b8df6d8fa95bb8e1070d0107f3d388940"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Fri Sep 13 13:46:47 2013 -0700"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Mon Nov 11 15:34:27 2013 -0800"
      },
      "message": "Compacting collector.\n\nThe compacting collector is currently similar to semispace. It works by\ncopying objects back and forth between two bump pointer spaces. There\nare types of objects which are \"non-movable\" due to current runtime\nlimitations. These are Classes, Methods, and Fields.\n\nBump pointer spaces are a new type of continuous alloc space which have\nno lock in the allocation code path. When you allocate from these it uses\natomic operations to increase an index. Traversing the objects in the bump\npointer space relies on Object::SizeOf matching the allocated size exactly.\n\nRuntime changes:\nJNI::GetArrayElements returns copies objects if you attempt to get the\nbacking data of a movable array. For GetArrayElementsCritical, we return\ndirect backing storage for any types of arrays, but temporarily disable\nthe GC until the critical region is completed.\n\nAdded a new runtime call called VisitObjects, this is used in place of\nthe old pattern which was flushing the allocation stack and walking\nthe bitmaps.\n\nChanged image writer to be compaction safe and use object monitor word\nfor forwarding addresses.\n\nAdded a bunch of added SIRTs to ClassLinker, MethodLinker, etc..\n\nTODO: Enable switching allocators, compacting on background, etc..\n\nBug: 8981901\n\nChange-Id: I3c886fd322a6eef2b99388d19a765042ec26ab99\n"
    },
    {
      "commit": "967a0adf8b93a23d2a8fef82e06bd913db94ac19",
      "tree": "35b7fbf6eb1899736213e57e11c85d16c1b4853e",
      "parents": [
        "af3994db1b42929666b6a50c3c4b237a25c99951"
      ],
      "author": {
        "name": "Hiroshi Yamauchi",
        "email": "yamauchi@google.com",
        "time": "Tue Sep 10 16:24:21 2013 -0700"
      },
      "committer": {
        "name": "Hiroshi Yamauchi",
        "email": "yamauchi@google.com",
        "time": "Wed Sep 11 15:38:23 2013 -0700"
      },
      "message": "More allocation code optimizations.\n\n- Inline Class::AllocObject() and Array::Alloc().\n- Inline some short Mutex functions and add LIKELY/UNLIKELY to some\n  Mutex functions.\n- This change improves the Ritz MemAllocTest by ~6% on Nexus 4 and\n  ~10% on host.\n\nBug: 9986565\nChange-Id: I1606c74ddb21676cbc1de1a40e9b076fc23eaea4\n"
    },
    {
      "commit": "a436fde2762664a3ecdda5eefcadd20b2e104f59",
      "tree": "22431bc387483220728a3bc99ec7314abce3ad60",
      "parents": [
        "10cc81056261625902a8a073bafb9f499eec4ff7"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Tue Aug 27 23:34:06 2013 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Tue Aug 27 23:37:33 2013 -0700"
      },
      "message": "Handle OOMEs in class linker with grace.\n\nCheck for OOMEs and then fail due to them in class loading.\nMake the compiler driver spot OOMEs during resolution and abort compilation to\navoid needless GC thrash then eventual death.\nAllocate the pre-allocated OOME during Runtime::Init as Runtime::Start isn\u0027t\ncalled in the context of the compiler/tools.\n\nChange-Id: Id72199d0fe82001b5bf22758b3cdc9cc4b8efbb9\n"
    },
    {
      "commit": "7940e44f4517de5e2634a7e07d58d0fb26160513",
      "tree": "ac90242d96229a6942f6e24ab137bc1f8f2e0025",
      "parents": [
        "5cd9e3b122f276f610980cbaf0d2ad6ed4cd9088"
      ],
      "author": {
        "name": "Brian Carlstrom",
        "email": "bdc@google.com",
        "time": "Fri Jul 12 13:46:57 2013 -0700"
      },
      "committer": {
        "name": "Brian Carlstrom",
        "email": "bdc@google.com",
        "time": "Fri Jul 12 17:49:01 2013 -0700"
      },
      "message": "Create separate Android.mk for main build targets\n\nThe runtime, compiler, dex2oat, and oatdump now are in seperate trees\nto prevent dependency creep.  They can now be individually built\nwithout rebuilding the rest of the art projects. dalvikvm and jdwpspy\nwere already this way. Builds in the art directory should behave as\nbefore, building everything including tests.\n\nChange-Id: Ic6b1151e5ed0f823c3dd301afd2b13eb2d8feb81\n"
    },
    {
      "commit": "1d54e73444e017d3a65234e0f193846f3e27472b",
      "tree": "1de93661e95a0ce6fa78fdfc23d0cfd3dd2a06f7",
      "parents": [
        "4c22e7eabef3f815841dfc6e0d5bbead96150752"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Thu May 02 21:10:01 2013 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Fri Jun 21 11:10:42 2013 -0700"
      },
      "message": "GC clean up.\n\nGreater use of directories and namespaces.\nFix bugs that cause verify options to fail.\nAddress numerous other issues:\n\nGC barrier wait occurring holding locks:\nGC barrier waits occur when we wait for threads to run the check point function\non themselves. This is happening with the heap bitmap and mutator lock held\nmeaning that a thread that tries to take either lock exclusively will block\nwaiting on a thread that is waiting. If this thread is the thread we\u0027re waiting\nto run the check point then the VM will deadlock.\nThis deadlock occurred unnoticed as the call to check for wait safety was\nremoved in: https://googleplex-android-review.googlesource.com/#/c/249423/1.\n\nNewTimingLogger:\nExisting timing log states when a split ends but not when it begins. This isn\u0027t\ngood for systrace, in the context of GC it means that races between mutators\nand the GC are hard to discover what phase the GC is in, we know what phase it\njust finished and derive but that\u0027s not ideal.\n\nSupport for only 1 discontinuous space:\nCode special cases continuous and large object space, rather than assuming we\ncan have a collection of both.\n\nSorted atomic stacks:\nUsed to improve verification performance. Simplify their use and add extra\nchecks.\n\nSimplify mod-union table abstractions.\n\nReduce use of std::strings and their associated overhead in hot code.\n\nMake time units of fields explicit.\n\nReduce confusion that IsAllocSpace is really IsDlMallocSpace.\n\nMake GetTotalMemory (exposed via System) equal to the footprint (as in Dalvik)\nrather than the max memory footprint.\n\nChange-Id: Ie87067140fa4499b15edab691fe6565d79599812\n"
    },
    {
      "commit": "2dd0e2cea360bc9206eb88ecc40d259e796c239d",
      "tree": "9d619dc9508cbe73e4793bf6f08cbc761abfb48a",
      "parents": [
        "ac21b797b3a425975d656d6b84a7b24401d35f42"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Thu Jan 24 12:42:14 2013 -0800"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Wed Jan 30 16:48:31 2013 -0800"
      },
      "message": "Directory restructuring of object.h\n\nBreak object.h into constituent files.\nReduce number of #includes in other GC header files.\nIntroduce -inl.h files to avoid mirror files #include-ing each other.\nCheck invariants of verifier RegTypes for all constructors.\n\nChange-Id: Iecf1171c02910ac152d52947330ef456df4043bc\n"
    }
  ]
}