)]}'
{
  "log": [
    {
      "commit": "90443477f9a0061581c420775ce3b7eeae7468bc",
      "tree": "8c74b81dfae162e0fd0ccf8d5ac50827ba815174",
      "parents": [
        "6078aec213dfaf111c29969706e8e5967cfc9bea"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Thu Jul 16 20:32:27 2015 -0700"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Wed Jul 22 15:13:56 2015 -0700"
      },
      "message": "Move to newer clang annotations\n\nAlso enable -Wthread-safety-negative.\n\nChanges:\nSwitch to capabilities and negative capabilities.\n\nFuture work:\nUse capabilities to implement uninterruptible annotations to work\nwith AssertNoThreadSuspension.\n\nBug: 20072211\n\nChange-Id: I42fcbe0300d98a831c89d1eff3ecd5a7e99ebf33\n"
    },
    {
      "commit": "e401d146407d61eeb99f8d6176b2ac13c4df1e33",
      "tree": "17927f9bfe7d2041b5942c89832d55f9dedb24c5",
      "parents": [
        "2006b7b9b8e32722bd0d640c62549d8a0ac624b6"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Wed Apr 22 13:56:20 2015 -0700"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Fri May 29 18:45:49 2015 -0700"
      },
      "message": "Move mirror::ArtMethod to native\n\nOptimizing + quick tests are passing, devices boot.\n\nTODO: Test and fix bugs in mips64.\n\nSaves 16 bytes per most ArtMethod, 7.5MB reduction in system PSS.\nSome of the savings are from removal of virtual methods and direct\nmethods object arrays.\n\nBug: 19264997\nChange-Id: I622469a0cfa0e7082a2119f3d6a9491eb61e3f3d\n"
    },
    {
      "commit": "848f70a3d73833fc1bf3032a9ff6812e429661d9",
      "tree": "b0349b3a40aab5a915af491b100659a5ca9fbbf6",
      "parents": [
        "d14438f0c5071962be7fab572b54687d32d9d087"
      ],
      "author": {
        "name": "Jeff Hao",
        "email": "jeffhao@google.com",
        "time": "Wed Jan 15 13:49:50 2014 -0800"
      },
      "committer": {
        "name": "Jeff Hao",
        "email": "jeffhao@google.com",
        "time": "Mon Apr 27 18:54:52 2015 -0700"
      },
      "message": "Replace String CharArray with internal uint16_t array.\n\nSummary of high level changes:\n  - Adds compiler inliner support to identify string init methods\n  - Adds compiler support (quick \u0026 optimizing) with new invoke code path\n    that calls method off the thread pointer\n  - Adds thread entrypoints for all string init methods\n  - Adds map to verifier to log when receiver of string init has been\n    copied to other registers. used by compiler and interpreter\n\nChange-Id: I797b992a8feb566f9ad73060011ab6f51eb7ce01\n"
    },
    {
      "commit": "48cc32c05efaaba5d97e1b83a9f9d8172a8ca352",
      "tree": "26cf799de71e10af1b3c2419b4d16244d793e73c",
      "parents": [
        "79dda4251d7e3a7888e326bc7a3f069d6190d194"
      ],
      "author": {
        "name": "Andreas Gampe",
        "email": "agampe@google.com",
        "time": "Tue Apr 07 02:53:04 2015 +0000"
      },
      "committer": {
        "name": "Andreas Gampe",
        "email": "agampe@google.com",
        "time": "Tue Apr 07 02:53:04 2015 +0000"
      },
      "message": "Revert \"ART: Fix noreturn for Mac\"\n\nmissing-noreturn was turned off for Mac for all the\nother similar warnings. Restore the cleaner header\nfile.\n\nThis reverts commit 79dda4251d7e3a7888e326bc7a3f069d6190d194.\n\nChange-Id: Ia25a47533ff7848ad96e0d76e7f0ea768a48f946\n"
    },
    {
      "commit": "79dda4251d7e3a7888e326bc7a3f069d6190d194",
      "tree": "85124678fed07a139869d66d37998a9f876dda3f",
      "parents": [
        "fb9131bd25b5a90e49da5e0f44b23e106558e7e0"
      ],
      "author": {
        "name": "Andreas Gampe",
        "email": "agampe@google.com",
        "time": "Mon Apr 06 17:17:34 2015 -0700"
      },
      "committer": {
        "name": "Andreas Gampe",
        "email": "agampe@google.com",
        "time": "Mon Apr 06 17:20:45 2015 -0700"
      },
      "message": "ART: Fix noreturn for Mac\n\nChange-Id: I59b60340a90672a4de4d3bdf092fa504394d5892\n"
    },
    {
      "commit": "2cd334ae2d4287216523882f0d298cf3901b7ab1",
      "tree": "b72d3d07e5a04151caca96cae345075b6e4452b0",
      "parents": [
        "604e2828896fbb8663897d1e75112da7305ead4c"
      ],
      "author": {
        "name": "Hiroshi Yamauchi",
        "email": "yamauchi@google.com",
        "time": "Fri Jan 09 14:03:35 2015 -0800"
      },
      "committer": {
        "name": "Hiroshi Yamauchi",
        "email": "yamauchi@google.com",
        "time": "Fri Jan 23 14:07:32 2015 -0800"
      },
      "message": "More of the concurrent copying collector.\n\nBug: 12687968\nChange-Id: I62f70274d47df6d6cab714df95c518b750ce3105\n"
    },
    {
      "commit": "1cc7dbabd03e0a6c09d68161417a21bd6f9df371",
      "tree": "8557bdff971e366909351af95a7c8ead82792986",
      "parents": [
        "5e0a9849d4e353c3726095b65ab07cefce40a636"
      ],
      "author": {
        "name": "Andreas Gampe",
        "email": "agampe@google.com",
        "time": "Wed Dec 17 18:43:01 2014 -0800"
      },
      "committer": {
        "name": "Andreas Gampe",
        "email": "agampe@google.com",
        "time": "Mon Dec 29 10:52:02 2014 -0800"
      },
      "message": "ART: Reorder entrypoint argument order\n\nShuffle the ArtMethod* referrer backwards for easier removal.\n\nClean up ARM \u0026 MIPS assembly code.\n\nChange some macros to make future changes easier.\n\nChange-Id: Ie2862b68bd6e519438e83eecd9e1611df51d7945\n"
    },
    {
      "commit": "7dc9c81aee48928bd7a723fd9a4caed63d196f8f",
      "tree": "1bc2eebab5f3c7536c24324d3e1dbfd75cc7b25b",
      "parents": [
        "de2db523960444ca8abd175814374cb3782f1632"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Tue Nov 04 15:10:55 2014 -0800"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Tue Nov 04 15:10:55 2014 -0800"
      },
      "message": "Fix build.\n\nChange-Id: I7c6657bdc31e57c144999d4a3f8c2836c3d90403\n"
    },
    {
      "commit": "de2db523960444ca8abd175814374cb3782f1632",
      "tree": "408c85fcf5f889b2cb81a8ee9b6dd1746b4c1aa8",
      "parents": [
        "cc19cb6845f427036513e155d50c11533933c63f"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Tue Nov 04 14:43:18 2014 -0800"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Tue Nov 04 14:43:18 2014 -0800"
      },
      "message": "Fix mac build.\n\nChange-Id: I228cdb0b25cd0f2c5e745a87a97aa8fd3c8a160a\n"
    },
    {
      "commit": "6a3c1fcb4ba42ad4d5d142c17a3712a6ddd3866f",
      "tree": "9df58b57af13240a93a6da4eefcf03f70cce9ad9",
      "parents": [
        "c6e0955737e15f7c0c3575d4e13789b3411f4993"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Fri Oct 31 00:33:20 2014 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Mon Nov 03 20:01:04 2014 -0800"
      },
      "message": "Remove -Wno-unused-parameter and -Wno-sign-promo from base cflags.\n\nFix associated errors about unused paramenters and implict sign conversions.\nFor sign conversion this was largely in the area of enums, so add ostream\noperators for the effected enums and fix tools/generate-operator-out.py.\nTidy arena allocation code and arena allocated data types, rather than fixing\nnew and delete operators.\nRemove dead code.\n\nChange-Id: I5b433e722d2f75baacfacae4d32aef4a828bfe1b\n"
    },
    {
      "commit": "2c4257be8191c5eefde744e8965fcefc80a0a97d",
      "tree": "9db3e1f1c60f2df29638ba3ce9d5d5bb8b26ca2c",
      "parents": [
        "98c271d517bc4d25fc6879b4b8e35ea93885d9e2"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Fri Oct 24 14:20:06 2014 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Fri Oct 24 14:23:42 2014 -0700"
      },
      "message": "Tidy logging code not using UNIMPLEMENTED.\n\nChange-Id: I7a79c1671a6ff8b2040887133b3e0925ef9a3cfe\n"
    },
    {
      "commit": "1d8cdbc5202378a5f1a4b3a1fba610675ed4dcd5",
      "tree": "6a1b0f49aee5a97b513bd0becc734d284aa7fb65",
      "parents": [
        "1c1786f193323d3bd706463894001117f3471595"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Mon Sep 22 22:51:09 2014 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Mon Oct 20 16:01:28 2014 -0700"
      },
      "message": "Refactor quick entrypoints\n\nRemove FinishCalleeSaveFrameSetup.\nAssembly routines write down anchor into TLS as well as placing runtime\nmethod in callee save frame.\nSimplify artSet64InstanceFromCode by not computing the referrer from the\nstack in the C++ code.\nMove assembly offset tests next to constant declaration and tidy arch_test.\n\nChange-Id: Iededeebc05e54a1e2bb7bb3572b8ba012cffa1c8\n"
    },
    {
      "commit": "c8ccf68b805c92674545f63e0341ba47e8d9701c",
      "tree": "fb360323538cb242ebf7c5c0aca27d3a0bce0abb",
      "parents": [
        "fcabfbe577c0fd40910b565beb681bd4b66f6c5d"
      ],
      "author": {
        "name": "Andreas Gampe",
        "email": "agampe@google.com",
        "time": "Mon Sep 29 20:07:43 2014 -0700"
      },
      "committer": {
        "name": "Andreas Gampe",
        "email": "agampe@google.com",
        "time": "Mon Sep 29 20:13:48 2014 -0700"
      },
      "message": "ART: Fix some -Wpedantic errors\n\nRemove extra semicolons.\n\nDollar signs in C++ identifiers are an extension.\n\nNamed variadic macros are an extension.\n\nBinary literals are a C++14 feature.\n\nEnum re-declarations are not allowed.\n\nOverflow.\n\nChange-Id: I7d16b2217b2ef2959ca69de84eaecc754517714a\n"
    },
    {
      "commit": "05d2ab2cdfca840fbff9e2d0a308b854c13d81a7",
      "tree": "70695194ca6ab29e53ef9eb2f2da3fa2ca22a514",
      "parents": [
        "8b2e9cde4aa3dc96b903c9eee3a7b3b7ee8422e4"
      ],
      "author": {
        "name": "Andreas Gampe",
        "email": "agampe@google.com",
        "time": "Wed Aug 06 16:27:52 2014 -0700"
      },
      "committer": {
        "name": "Andreas Gampe",
        "email": "agampe@google.com",
        "time": "Wed Aug 06 16:27:52 2014 -0700"
      },
      "message": "ART: Build fix for dex_cache rework\n\nA formerly public method is now private.\n\nChange-Id: I9834cfcf651ab2f3553633cad45ea4ed05f3e4c7\n"
    },
    {
      "commit": "eb1e929c0d6e312beb313ec108e611f1e74ff45c",
      "tree": "cfed2ffd201efd68b5d184e536dff0bb270c6c61",
      "parents": [
        "7aaa8dbfbcde7f58564b42044892891559669838"
      ],
      "author": {
        "name": "Hiroshi Yamauchi",
        "email": "yamauchi@google.com",
        "time": "Wed Aug 06 12:41:15 2014 -0700"
      },
      "committer": {
        "name": "Hiroshi Yamauchi",
        "email": "yamauchi@google.com",
        "time": "Wed Aug 06 12:41:15 2014 -0700"
      },
      "message": "Implement TLAB fast paths in artAllocObjectFromCode.\n\nGSS/TLAB GC speedup on N4 (ms):\n\nMemAllocTest 2963 -\u003e 2792\nBinaryTrees  2205 -\u003e 2113\n\nAlso, measured wth -XX:IgnoreMaxFootprint to invoke GC less often\n(only when the bump pointer space is filled rather than based on the\ntarget utilization):\n\nMemAllocTest 2707 -\u003e 2590\nBinaryTrees  2023 -\u003e 1906\n\nTODO: implement fast paths for array allocations.\n\nBug: 9986565\nChange-Id: I73ff6327b229704f8ae5924ae9b747443c229841\n"
    },
    {
      "commit": "98d1cc8033251c93786e2fa8c59a2e555a9493be",
      "tree": "f0a76b8fff060ee484af09028da65a8339d57057",
      "parents": [
        "aebf3cda094f34cf846d19a7724bdc8005267c95"
      ],
      "author": {
        "name": "Mingyao Yang",
        "email": "mingyao@google.com",
        "time": "Thu May 15 17:02:16 2014 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Fri Jul 11 17:17:10 2014 -0700"
      },
      "message": "Improve performance of invokevirtual/invokeinterface with embedded imt/vtable\n\nAdd an embedded version of imt/vtable into class object. Both tables start at\nfixed offset within class object so method/entry point can be loaded directly\nfrom class object for invokeinterface/invokevirtual.\n\nBug: 8142917\nChange-Id: I4240d58cfbe9250107c95c0708c036854c455968\n"
    },
    {
      "commit": "c3ccc1039e0bbc0744f958cb8719cf96bce5b853",
      "tree": "46be84eae8aba7f1698415752262bc16da72aab6",
      "parents": [
        "3153895d020038cd89311ed6ee241ce9b9f18a59"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Wed Jun 25 11:52:14 2014 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Wed Jun 25 11:55:07 2014 -0700"
      },
      "message": "Fix the Mac build on x86-64.\n\nChange-Id: I4ed3783a96d844de0b0a295df26d0a48c02a3726\n"
    },
    {
      "commit": "cf4035a4c41ccfcc3e89a0cee25f5218a11b0705",
      "tree": "323d9e98e6129c67e464a3e6857ee02593a2f2c2",
      "parents": [
        "29b53d3d715b1ec19349e8cbf7c5e4ff529bd5fe"
      ],
      "author": {
        "name": "Andreas Gampe",
        "email": "agampe@google.com",
        "time": "Wed May 28 22:43:01 2014 -0700"
      },
      "committer": {
        "name": "Andreas Gampe",
        "email": "agampe@google.com",
        "time": "Thu May 29 20:50:49 2014 -0700"
      },
      "message": "ART: Use StackReference in Quick Stack Frame\n\nThe method reference at the bottom of a quick frame is a stack\nreference and not a native pointer. This is important for 64b\narchitectures, where the notions do not coincide.\n\nChange key methods to have StackReference\u003cmirror::ArtMethod\u003e*\nparameter instead of mirror::ArtMethod**. Make changes to\ninvoke stubs for 64b archs, change the frame setup for JNI code\n(both generic JNI and compilers), tie up loose ends.\n\nTested on x86 and x86-64 with host tests. On x86-64, tests succeed\nwith jni compiler activated. x86-64 QCG was not tested.\n\nTested on ARM32 with device tests.\n\nFix ARM64 not saving x19 (used for wSUSPEND) on upcalls.\n\nTested on ARM64 in interpreter-only + generic-jni mode.\n\nFix ARM64 JNI Compiler to work with the CL.\n\nTested on ARM64 in interpreter-only + jni compiler.\n\nChange-Id: I77931a0cbadd04d163b3eb8d6f6a6f8740578f13\n"
    },
    {
      "commit": "d889178ec78930538d9d6a66c3df9ee9afaffbb4",
      "tree": "6fa250bdadcdfc1702f57500e618b51df6d46828",
      "parents": [
        "06c09f6d79e037ee00113d6289ef98226680797d"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Sun Mar 02 13:28:37 2014 -0800"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Mon Mar 03 17:08:30 2014 -0800"
      },
      "message": "Guard entrypoint changing by runtime shutdown lock.\n\nThere was a race when we changed the allocation entrypoints where a\nnew thread would be starting (Thread::Init) and initialize to the\nwrong entrypoints. Guarding allocation entrypoint changing\nwith the runtime shutdown lock fixes this race condition since\nThread::Init is only called with the runtime shutdown lock held.\n\nBug: 13250963\n\nChange-Id: I8eb209c124b6bf17020de874e1b0083f158b8200\n"
    },
    {
      "commit": "bb8f0ab736b61db8f543e433859272e83f96ee9b",
      "tree": "7b7bac5c0e7d0ac9aba91a40e0fbf761cfacb412",
      "parents": [
        "6e65720d99bd3387b72d528a46291f1ed8184ede"
      ],
      "author": {
        "name": "Hiroshi Yamauchi",
        "email": "yamauchi@google.com",
        "time": "Mon Jan 27 16:50:29 2014 -0800"
      },
      "committer": {
        "name": "Hiroshi Yamauchi",
        "email": "yamauchi@google.com",
        "time": "Mon Jan 27 16:50:29 2014 -0800"
      },
      "message": "Embed array class pointers at array allocation sites.\n\nFollowing https://android-review.googlesource.com/#/c/79302, embed\narray class pointers at array allocation sites in the compiled code.\n\nChange-Id: I67a1292466dfbb7f48e746e5060e992dd93525c5\n"
    },
    {
      "commit": "be1ca55db3362f5b100c4c65da5342fd299520bb",
      "tree": "b9df6f5562d884698ed15f21764a704bb51e359e",
      "parents": [
        "9d8918fe97c235fdc6eb2c7f2d50a6673ab50329"
      ],
      "author": {
        "name": "Hiroshi Yamauchi",
        "email": "yamauchi@google.com",
        "time": "Wed Jan 15 11:46:48 2014 -0800"
      },
      "committer": {
        "name": "Hiroshi Yamauchi",
        "email": "yamauchi@google.com",
        "time": "Thu Jan 23 15:29:12 2014 -0800"
      },
      "message": "Use direct class pointers at allocation sites in the compiled code.\n\n- Rather than looking up a class from its type ID (and checking if\n  it\u0027s resolved/initialized, resolving/initializing if not), use\n  direct class pointers, if possible (boot-code-to-boot-class pointers\n  and app-code-to-boot-class pointers.)\n- This results in a 1-2% speedup in Ritz MemAllocTest on Nexus 4.\n- Embedding the object size (along with class pointers) caused a 1-2%\n  slowdown in MemAllocTest and isn\u0027t implemented in this change.\n- TODO: do the same for array allocations.\n- TODO: when/if an application gets its own image, implement\n  app-code-to-app-class pointers.\n- Fix a -XX:gc bug.\n  cf. https://android-review.googlesource.com/79460/\n- Add /tmp/android-data/dalvik-cache to the list of locations to\n  remove oat files in clean-oat-host.\n  cf. https://android-review.googlesource.com/79550\n- Add back a dropped UNLIKELY in FindMethodFromCode().\n  cf. https://android-review.googlesource.com/74205\n\nBug: 9986565\nChange-Id: I590b96bd21f7a7472f88e36752e675547559a5b1\n"
    },
    {
      "commit": "e6da9af8dfe0a3e3fbc2be700554f6478380e7b9",
      "tree": "127a0565fce79f05d82d0ff242fbbffa6e2bc6b3",
      "parents": [
        "977d409b959497eecc44a35cff16115d0f04ccab"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Mon Dec 16 11:54:42 2013 -0800"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Wed Jan 08 14:16:12 2014 -0800"
      },
      "message": "Background compaction support.\n\nWhen the process state changes to a state which does not perceives\njank, we copy from the main free-list backed allocation space to\nthe bump pointer space and enable the semispace allocator.\n\nWhen we transition back to foreground, we copy back to a free-list\nbacked space.\n\nCreate a seperate non-moving space which only holds non-movable\nobjects. This enables us to quickly wipe the current alloc space\n(DlMalloc / RosAlloc) when we transition to background.\n\nAdded multiple alloc space support to the sticky mark sweep GC.\n\nAdded a -XX:BackgroundGC option which lets you specify\nwhich GC to use for background apps. Passing in\n-XX:BackgroundGC\u003dSS makes the heap compact the heap for apps which\ndo not perceive jank.\n\nResults:\nSimple background foreground test:\n0. Reboot phone, unlock.\n1. Open browser, click on home.\n2. Open calculator, click on home.\n3. Open calendar, click on home.\n4. Open camera, click on home.\n5. Open clock, click on home.\n6. adb shell dumpsys meminfo\n\nPSS Normal ART:\nSample 1:\n    88468 kB: Dalvik\n     3188 kB: Dalvik Other\nSample 2:\n    81125 kB: Dalvik\n     3080 kB: Dalvik Other\n\nPSS Dalvik:\nTotal PSS by category:\nSample 1:\n    81033 kB: Dalvik\n    27787 kB: Dalvik Other\nSample 2:\n    81901 kB: Dalvik\n    28869 kB: Dalvik Other\n\nPSS ART + Background Compaction:\nSample 1:\n    71014 kB: Dalvik\n     1412 kB: Dalvik Other\nSample 2:\n    73859 kB: Dalvik\n     1400 kB: Dalvik Other\n\nDalvik other reduction can be explained by less deep allocation\nstacks / less live bitmaps / less dirty cards.\n\nTODO improvements: Recycle mem-maps which are unused in the current\nstate. Not hardcode 64 MB capacity of non movable space (avoid\nreturning linear alloc nightmares). Figure out ways to deal with low\nvirtual address memory problems.\n\nBug: 8981901\n\nChange-Id: Ib235d03f45548ffc08a06b8ae57bf5bada49d6f3\n"
    },
    {
      "commit": "692fafd9778141fa6ef0048c9569abd7ee0253bf",
      "tree": "63ce2c7d4be6af2524a5f442195c8c8b6f5cc955",
      "parents": [
        "07dc96d370c4844c7a279c01cedf24a272b9f4f3"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Fri Nov 29 17:24:40 2013 -0800"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Mon Dec 16 16:57:37 2013 -0800"
      },
      "message": "Thread local bump pointer allocator.\n\nAdded a thread local allocator to the heap, each thread has three\npointers which specify the thread local buffer: start, cur, and\nend. When the remaining space in the thread local buffer isn\u0027t large\nenough for the allocation, the allocator allocates a new thread\nlocal buffer using the bump pointer allocator.\n\nThe bump pointer space had to be modified to accomodate thread\nlocal buffers. These buffers are called \"blocks\", where a block\nis a buffer which contains a set of adjacent objects. Blocks\naren\u0027t necessarily full and may have wasted memory towards the\nend. Blocks have an 8 byte header which specifies their size and is\nrequired for traversing bump pointer spaces.\n\nMemory usage is in between full bump pointer and ROSAlloc since\nmadvised memory limits wasted ram to an average of 1/2 page per\nblock.\n\nAdded a runtime option -XX:UseTLAB which specifies whether or\nnot to use the thread local allocator. Its a NOP if the garbage\ncollector is not the semispace collector.\n\nTODO: Smarter block accounting to prevent us reading objects until\nwe either hit the end of the block or GetClass() \u003d\u003d null which\nsignifies that the block isn\u0027t 100% full. This would provide a\nslight speedup to BumpPointerSpace::Walk.\n\nTimings: -XX:HeapMinFree\u003d4m -XX:HeapMaxFree\u003d8m -Xmx48m\nritzperf memalloc:\nDalvik -Xgc:concurrent: 11678\nDalvik -Xgc:noconcurrent: 6697\n-Xgc:MS: 5978\n-Xgc:SS: 4271\n-Xgc:CMS: 4150\n-Xgc:SS -XX:UseTLAB: 3255\n\nBug: 9986565\nBug: 12042213\n\nChange-Id: Ib7e1d4b199a8199f3b1de94b0a7b6e1730689cad\n"
    },
    {
      "commit": "cbbb080e8b45e46ea43af521ba2a0b3d432702a7",
      "tree": "3743409700a99c7f8d91059a24962e28d04a8be9",
      "parents": [
        "1febddf359ae500ef1bb01ab4883b076fcb56440"
      ],
      "author": {
        "name": "Hiroshi Yamauchi",
        "email": "yamauchi@google.com",
        "time": "Thu Nov 21 12:42:36 2013 -0800"
      },
      "committer": {
        "name": "Hiroshi Yamauchi",
        "email": "yamauchi@google.com",
        "time": "Thu Nov 21 12:42:36 2013 -0800"
      },
      "message": "Fix a libartd.so boot crash in Heap::AllocObjectWithAllocator()\n\nBug: 11806947\nChange-Id: I826875f23ee2233d4128e852ff6fe7e26ced378f\n"
    },
    {
      "commit": "cbb2d20bea2861f244da2e2318d8c088300a3710",
      "tree": "9735d496716cf165ea0ee2d7e2f62d723ffc7734",
      "parents": [
        "d31fb9718a6180304cd951619dc36be8e090a641"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Thu Nov 14 17:45:16 2013 -0800"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Wed Nov 20 11:14:11 2013 -0800"
      },
      "message": "Refactor allocation entrypoints.\n\nAdds support for switching entrypoints during runtime. Enables\naddition of new allocators with out requiring significant copy\npaste. Slight speedup on ritzperf probably due to more inlining.\n\nTODO: Ensuring that the entire allocation path is inlined so\nthat the switch statement in the allocation code is optimized\nout.\n\nRosalloc measurements:\n4583\n4453\n4439\n4434\n4751\n\nAfter change:\n4184\n4287\n4131\n4335\n4097\n\nChange-Id: I1352a3cbcdf6dae93921582726324d91312df5c9\n"
    },
    {
      "commit": "3b4c18933c24b8a33f38573c2ebcdb9aa16efeb5",
      "tree": "5298ccd9c1f1f6b329c0cb6cefac6a8df43dd633",
      "parents": [
        "f7e090ebcded6d6693894c018d89c4add79253ff"
      ],
      "author": {
        "name": "Hiroshi Yamauchi",
        "email": "yamauchi@google.com",
        "time": "Thu Sep 12 21:33:12 2013 -0700"
      },
      "committer": {
        "name": "Hiroshi Yamauchi",
        "email": "yamauchi@google.com",
        "time": "Wed Sep 25 20:28:49 2013 -0700"
      },
      "message": "Split the allocation path into \u0027instrumented\u0027 and \u0027uninstrumented\u0027\nones.\n\nThe instrumented path is equivalent to the existing allocation path\nthat checks for three instrumentation mechanisms (the debugger\nallocation tracking, the runtime allocation stats collection, and\nvalgrind) for every allocation. The uinstrumented path does not\nperform these checks. We use the uninstrumented path by default and\nenable the instrumented path only when any of the three mechanisms is\nenabled. The uninstrumented version of Heap::AllocObject() is inlined.\n\nThis change improves the Ritz MemAllocTest by ~4% on Nexus 4 and ~3%\non Host/x86.\n\nBug: 9986565\nChange-Id: I3e68dfff6789d77bbdcea98457b694e1b5fcef5f\n"
    },
    {
      "commit": "ea46f950e7a51585db293cd7f047de190a482414",
      "tree": "9dddc8073547a2dcb58a19e1728932a89cb149c3",
      "parents": [
        "5e3572709b5a5d59957f835db4f73760ecef08da"
      ],
      "author": {
        "name": "Brian Carlstrom",
        "email": "bdc@google.com",
        "time": "Tue Jul 30 01:26:50 2013 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Tue Aug 13 18:09:46 2013 -0700"
      },
      "message": "Refactor java.lang.reflect implementation\n\nCherry-picked from commit ed41d5c44299ec5d44b8514f6e17f802f48094d1.\n\nMove to ArtMethod/Field instead of AbstractMethod/Field and have\njava.lang.reflect APIs delegate to ArtMethod/ArtField.\n\nBug: 10014286.\n\nChange-Id: Iafc1d8c5b62562c9af8fb9fd8c5e1d61270536e7\n"
    },
    {
      "commit": "7655f29fabc0a12765de828914a18314382e5a35",
      "tree": "219f2df20cf7f053a73a345ae20e131a73759c79",
      "parents": [
        "1a8080d4c2e1772cfcc5e9d6587bc63bba3945d9"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Mon Jul 29 11:07:13 2013 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Tue Jul 30 16:00:24 2013 -0700"
      },
      "message": "Portable refactorings.\n\nSeparate quick from portable entrypoints.\nMove architectural dependencies into arch.\n\nChange-Id: I9adbc0a9782e2959fdc3308215f01e3107632b7c\n"
    },
    {
      "commit": "166db04e259ca51838c311891598664deeed85ad",
      "tree": "5ffa63c1b3bf58e92be2890c54f0ba6fdec2059e",
      "parents": [
        "d41119e863a9f9c5809b7732d30870ffd237b60c"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Fri Jul 26 12:05:57 2013 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Mon Jul 29 09:52:11 2013 -0700"
      },
      "message": "Move assembler out of runtime into compiler/utils.\n\nOther directory layout bits of clean up. There is still work to separate quick\nand portable in some files (e.g. argument visitor, proxy..).\n\nChange-Id: If8fecffda8ba5c4c47a035f0c622c538c6b58351\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": "4f6ad8ab428038129b2d0d6c40b7fd625cca15e1",
      "tree": "d1025ed9203d0cdf7aa959d9cecd8dc1f0c0bfeb",
      "parents": [
        "aabe8adacc7bf3a8ab6f6f3dd37fc839b6fd762f"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Mon Mar 18 15:27:28 2013 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Mon Mar 18 15:29:59 2013 -0700"
      },
      "message": "Various performance improvements.\n\nPerformance had regressed due to verify object and method invocation changes.\nAvoid trampolines for static calls in same class.\nVarious inlining changes.\nMake verify object something that\u0027s only compiled-in in debug builds.\n\nChange-Id: Ia261a52232c3b10667c668f8adfadc0da3048bc5\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"
    },
    {
      "commit": "50b35e2fd1a68cd1240e4a9d9f363e11764957d1",
      "tree": "4f3c58b7b293380f19e4f33357cb352e3330772e",
      "parents": [
        "8e9a1497f0d7da4d55f6e7ed8a7d96ba6db7222d"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Thu Oct 04 10:09:15 2012 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Fri Oct 05 11:07:39 2012 -0700"
      },
      "message": "Explicitly pass Thread::Current to MutexLock and Alloc.\n\nChange-Id: I8b75bc0617915465f102815b32306aa7760dcae4\n"
    },
    {
      "commit": "66f19258f9728d4ffe026074d8fd429d639802fa",
      "tree": "fd94009774c6cbbb1528ea096e606133bd35f104",
      "parents": [
        "a5e1e3d153990845d80cb8d013157210f11a473c"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Tue Sep 18 08:57:04 2012 -0700"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Fri Sep 21 17:32:56 2012 -0700"
      },
      "message": "Change dex cache to be java object instead of array, add pointer to dex file in dex cache.\n\nGeneric clean up to facilitate having GDB macros for Pretty* helper functions.\n\nImproved cleanliness of DexCache since having it as an object array was not the best solution.\n\nFixed a bug in InOrderWalk caused by ResolveType sometimes allocating classes.\n\nRename C++ Method to AbstractMethod and add two new classes Constructor, Method which both inherit from AbstractMethod.\n\nRename done to have the C++ code be closer to the java code.\n\nChange-Id: I4995b4c5e47a3822192b08afa24a639d3b1f4da9\n"
    },
    {
      "commit": "b726dcb581bf72da46527378ccb6889020f0e6e9",
      "tree": "c0383ed788652926e93147e50d659ed226519548",
      "parents": [
        "fd678beb171a4686a4f2d53ca4188a4ade8fa54e"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Wed Sep 05 08:57:23 2012 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Wed Sep 05 09:06:19 2012 -0700"
      },
      "message": "Rename GlobalSynchronization to Locks\n\nAlso address some review comments in common_throws relating to\nToStr\u003cInvokeType\u003e and exception detail messages.\n\nChange-Id: Ibf2c0f147689fa236d349bd7f01eed3c2522552b\n"
    },
    {
      "commit": "87e552db94588455c081efd87dbde0cd96d02942",
      "tree": "02fc47be772d65e3ba4f2453f5d330b7dd111d1a",
      "parents": [
        "c747cffa950b8398cb8844d47e2253214c855750"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Fri Aug 31 15:54:48 2012 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Sat Sep 01 00:23:33 2012 -0700"
      },
      "message": "Make ICCE logic common, refactor throws.\n\nThere were 2 sets of ICCE logic in ClassLinker::ResolveMethod and\nMethod::CheckIncompatibleClassChange, merged into just 1 piece of logic\nin Method::CheckIncompatibleClassChange.\n\nMove Throw... routines into own file and make adding the dex location to\nthe detail message more thorough.\n\nChange-Id: I953dbfa3fed3767f35799b2f82b16637c437dbbe\n"
    },
    {
      "commit": "00f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abac",
      "tree": "6a2172ece15c4699e6c2a67ce76f019db0a9a21d",
      "parents": [
        "634ea28f78c4a138e6a1de54eae8696095422415"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Thu Jul 19 15:28:27 2012 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Tue Aug 14 10:45:52 2012 -0700"
      },
      "message": "Global lock levels.\n\nIntroduce the notion of the mutators/GC being a shared-exclusive (aka\nreader-writer) lock. Introduce globally ordered locks, analysable by\nannotalysis, statically at compile time. Add locking attributes to\nmethods.\n\nMore subtly, remove the heap_lock_ and split between various locks that\nare held for smaller periods (where work doesn\u0027t get blocked). Remove\nbuggy Dalvik style thread transitions. Make GC use CMS in all cases when\nconcurrent is enabled. Fix bug where suspend counts rather than debug\nsuspend counts were sent to JDWP. Move the PathClassLoader to\nWellKnownClasses. In debugger refactor calls to send request and\npossibly suspend. Break apart different VmWait thread states. Move\nidentity hash code to a shared method.\n\nChange-Id: Icdbfc3ce3fcccd14341860ac7305d8e97b51f5c6\n"
    },
    {
      "commit": "57b86d47b66322693a070185fadfb43cb9c12eab",
      "tree": "81d53304a63a660a683917a19f7dd83723a397ad",
      "parents": [
        "68aefb06c449df0bd8a34f3491f7594ee3f9dd0b"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Tue Mar 27 16:05:41 2012 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Thu Mar 29 11:51:44 2012 -0700"
      },
      "message": "Refactor runtime support.\n\nChange-Id: Id7470a4105838150d5ceb73ab2c8c83e739660df\n"
    }
  ]
}