)]}'
{
  "log": [
    {
      "commit": "2d2621a1463d2f3f03fa73503fa42e43657cdcfc",
      "tree": "1f7cf393693d72db5c186f99b04ac511958c6418",
      "parents": [
        "ac293277b69882105810fabd6c53f55de58823fe"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Thu Oct 23 16:48:06 2014 -0700"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Mon Oct 27 16:49:43 2014 -0700"
      },
      "message": "Optimize method linking\n\nAdded more inlining, removed imt array allocation and replaced it\nwith a handle scope. Removed some un-necessary handle scopes.\n\nAdded logic to base interface method tables from the superclass so\nthat we dont need to reconstruct for every interface (large win).\n\nFacebook launch Dalvik KK MR2:\nTotalTime: 3165\nTotalTime: 3652\nTotalTime: 3143\nTotalTime: 3298\nTotalTime: 3212\nTotalTime: 3211\n\nFacebook launch TOT before:\nWaitTime: 3702\nWaitTime: 3616\nWaitTime: 3616\nWaitTime: 3687\nWaitTime: 3742\nWaitTime: 3767\n\nAfter optimizations:\nWaitTime: 2903\nWaitTime: 2953\nWaitTime: 2918\nWaitTime: 2940\nWaitTime: 2879\nWaitTime: 2792\n\nLinkInterfaceMethods no longer one of the hottest methods, new list:\n4.73% art::ClassLinker::LinkVirtualMethods(art::Thread*, art::Handle\u003cart::mirror::Class\u003e)\n3.07% art::DexFile::FindClassDef(char const*) const\n2.94% art::mirror::Class::FindDeclaredStaticField(art::mirror::DexCache const*, unsigned int)\n2.90% art::DexFile::FindStringId(char const*) const\n\nBug: 18054905\nBug: 16828525\n\n(cherry picked from commit 1fb463e42cf1d67595cff66d19c0f99e3046f4c4)\n\nChange-Id: I27cc70178fd3655fbe5a3178887fcba189d21321\n"
    },
    {
      "commit": "cdc1aaffabbdf417d29b203b2cd2763ed2d623f8",
      "tree": "ff56b9bbaa3ce0305c0ef71c055d3664dddfe93a",
      "parents": [
        "bbb1fc6e95f46470979936450b0d3f1e020c5904"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Thu Oct 09 13:21:38 2014 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Thu Oct 09 14:31:29 2014 -0700"
      },
      "message": "Simplify instance reference offsets.\n\nDon\u0027t encode Object\u0027s class. Use trailing rather than leading zeroes to give\noffset position.\n\nChange-Id: I1ae74e7a01f63696429644adf81cdf6ee58832fe\n"
    },
    {
      "commit": "6b604a1b0289e5e7211c2e5f8c4f395f51de7c3d",
      "tree": "2789123796907a61bdfbc9c6f5727ac6cda8f559",
      "parents": [
        "e7e34d08cffbd9a43ca9b097f8c7fdd54fbeaa27"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Thu Sep 25 15:35:37 2014 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Thu Sep 25 16:51:29 2014 -0700"
      },
      "message": "Fix Class::IsInSamePackage to not read beyond the end of a StringPiece.\n\nFix length of string piece to be size_type rather than int because expecting\nnegatively sized strings is a bad idea and we should use unsigned types to\ndefensively guard against mistakes.\nRemove max_size and capacity since the return type is inconsistent between\nGoogle and the STL, and we don\u0027t need the functions.\nAdd a bound check in libartd to operator[] accesses.\n\nChange-Id: I1b87a03d8fbd95e7dbb106745e304d1083898075\n"
    },
    {
      "commit": "5a4b8a236030460651a3136397d23ca6744e7eb7",
      "tree": "0e43891398e416d3fa77c7de391bf4db4408e8ee",
      "parents": [
        "19f7c95491a053b818f914137fa73df0517b8792"
      ],
      "author": {
        "name": "Andreas Gampe",
        "email": "agampe@google.com",
        "time": "Thu Sep 11 08:30:08 2014 -0700"
      },
      "committer": {
        "name": "Andreas Gampe",
        "email": "agampe@google.com",
        "time": "Mon Sep 15 19:50:12 2014 -0700"
      },
      "message": "ART: Rename Handle hierarchy\n\nBring the names in line with normal OO principles: ConstHandle\nbecomes Handle, and Handle becomes MutableHandle.\n\nChange-Id: I0f018eb7ba28bc422e3a23dd73a6cbe6fc2d2044\n"
    },
    {
      "commit": "faff0f05fef90577c9744505555675185832aacd",
      "tree": "40b5130526b80fe0a59f815f19dc2b87b0a9f879",
      "parents": [
        "05382d22a2ebbc95142ec2fc46e2d56b23e699ee"
      ],
      "author": {
        "name": "Mingyao Yang",
        "email": "mingyao@google.com",
        "time": "Wed Sep 10 12:03:22 2014 -0700"
      },
      "committer": {
        "name": "Mingyao Yang",
        "email": "mingyao@google.com",
        "time": "Wed Sep 10 14:40:37 2014 -0700"
      },
      "message": "Remove reference_static_offsets used for iterating through class static fields.\n\nSince static fields are contiguous in class object and there is no need to\ntraverse super classes, it\u0027s not meaningful to use reference_static_offsets.\nAlso especially with embedded vtable/imt, static field offset can\u0027t be encoded\nwith an unsigned integer anyway.\n\nA corresponding change is made to Class.java to remove the member field.\n\nBug: 16236588\nChange-Id: I1fde3cd9efce884945876f0658c63d992164fd94\n"
    },
    {
      "commit": "bf99f77dda749e2b653e8c45259b1fb56e7bb012",
      "tree": "98addbb3533c745781bc26e4a55cbbdd6d6e97e7",
      "parents": [
        "762f0a5bdd238458bbb463a9565388f2047a98d4"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Sat Aug 23 16:37:27 2014 -0700"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Sat Aug 23 16:54:24 2014 -0700"
      },
      "message": "Clean up Handle usage.\n\nPrefer using ConstHandle instead of Handle as function arguments\nsince you can\u0027t assign new references to ConstHandle which helps\nprevent bugs.\n\nChanged NullHandle to be a ConstHandle so that you can never modify\nit to be a non null reference.\n\nChange-Id: I81cb979f6f8d5b49e5614966a2caf28c3701dd4f\n"
    },
    {
      "commit": "1ff3c98775a4577cf053dba9a0c2d5c21c07b298",
      "tree": "2d09c27c69678b53b4c9dc486024f3547efd4bca",
      "parents": [
        "99c251bbd225dd97d0deece29559a430b12a0b66"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Tue Aug 12 02:30:58 2014 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Tue Aug 12 16:08:05 2014 -0700"
      },
      "message": "Avoid use of std::string where we have const char*.\n\nRemoving the ClassHelper caused std::string creation for all calls to\nClass::GetDescriptor and a significant performance regression. Make the\nstd::string an out argument so the caller can maintain it and its life time\nwhile allowing GetDescriptor to return the common const char* case.\n\nDon\u0027t generate GC maps when compilation is disabled.\n\nRemove other uses of std::string that are occuring on critical paths.\nUse the cheaper SkipClass in CompileMethod in CompilerDriver.\nSpecialize the utf8 as utf16 comparison code for the common shorter byte\nencoding.\nForce a bit of inlining, remove some UNLIKELYs (they are prone to pessimizing\ncode), add some LIKELYs.\n\nx86-64 host 1-thread interpret-only of 57 apks:\nBefore: 29.539s\nAfter: 23.467s\n\nRegular compile:\nBefore: 1m35.347s\nAfter: 1m20.056s\n\nBug: 16853450\nChange-Id: Ic705ea24784bee24ab80084d06174cbf87d557ad\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": "2cdbad7c62f126581ec5177104de961c4d71adaa",
      "tree": "6283b87bc9b65249decac9b0e38fe396782b8d7e",
      "parents": [
        "c62944adcd427dca55489d234428da47c43a0aab"
      ],
      "author": {
        "name": "Mingyao Yang",
        "email": "mingyao@google.com",
        "time": "Wed Jul 16 10:44:41 2014 -0700"
      },
      "committer": {
        "name": "Mingyao Yang",
        "email": "mingyao@google.com",
        "time": "Tue Jul 22 15:03:50 2014 -0700"
      },
      "message": "Set vtable in class object to null after linking.\n\nThis is follow-up work of embedding imt and vtable for\nfaster interface/virtual call dispatching.\nOnce vtable becomes embedded, the original vtable is nulled.\n\nChange-Id: I307696657d1e283654169dbecb8f7815c42bbabc\n"
    },
    {
      "commit": "b12d6055432f6974317ca1b5c9260db0d410df3e",
      "tree": "8cc656d0988c5f9e7b352348712ded3f45e986bb",
      "parents": [
        "031ddea20cb311dfdb3bd16a13750f9cb426b299",
        "0fbd6e6ec3241b7163b95f9f001bfe9b08f8b200"
      ],
      "author": {
        "name": "Hiroshi Yamauchi",
        "email": "yamauchi@google.com",
        "time": "Fri Jul 18 00:16:30 2014 +0000"
      },
      "committer": {
        "name": "Gerrit Code Review",
        "email": "noreply-gerritcodereview@google.com",
        "time": "Thu Jul 17 22:34:52 2014 +0000"
      },
      "message": "Merge \"Fix two read barrier bugs introduced in CL 97882.\""
    },
    {
      "commit": "0fbd6e6ec3241b7163b95f9f001bfe9b08f8b200",
      "tree": "8750bd3360999fa19d8f0f5892baa60348623911",
      "parents": [
        "635561b86ac03f5562bdb779baa6db12f31b3cae"
      ],
      "author": {
        "name": "Hiroshi Yamauchi",
        "email": "yamauchi@google.com",
        "time": "Thu Jul 17 16:16:31 2014 -0700"
      },
      "committer": {
        "name": "Hiroshi Yamauchi",
        "email": "yamauchi@google.com",
        "time": "Thu Jul 17 16:16:31 2014 -0700"
      },
      "message": "Fix two read barrier bugs introduced in CL 97882.\n\nBug: 12687968\nChange-Id: Ib28da4c33977cc58b09913ef5b738dec75365714\n"
    },
    {
      "commit": "22d5e735f403c57525fe868304c7123f0ce66399",
      "tree": "2458684efa56f0b800dd75a9dedd0449f76f581f",
      "parents": [
        "fbde4dd1cb6db729e3f3ee5bdae0cdd824d73054"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Tue Jul 15 22:23:51 2014 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Wed Jul 16 06:13:46 2014 -0700"
      },
      "message": "Remove object_utils.h.\n\nBreak into object_lock, field_helper and method_helper.\nClean up header files following this.\nAlso tidy some of the Handle code in response to compiler errors when resolving\nthe changes in this CL.\n\nChange-Id: I73e63015a0f02a754d0866bfaf58208aebcaa295\n"
    },
    {
      "commit": "fd22d5bada15d95b5ea8ab5a4dda39077e1a54ee",
      "tree": "3dc5aaa74f1272c357d339c3c61d7e1ed0aececf",
      "parents": [
        "e8b8086388159be5fecb23ae6185e70f3dfb5da6"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Mon Jul 14 10:16:05 2014 -0700"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Mon Jul 14 10:58:09 2014 -0700"
      },
      "message": "Fix infinite loop when calling SetStatus after OOM.\n\nThere was a problem where we would call SetStatus when we had an OOM\nerror. This results in attempting to find the ExceptionInInitializer\nclass which if not loaded does more allocations resulting in an\ninfinite loop.\n\nAlso some cleanup addressing other comments.\n\nBug: 16082350\nChange-Id: I5c1e638a03ddf700ab4e9cad9a3077d2b1b26c43\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": "4f1ebc2b86c8467d1ecb3ec655316e6d7ee8b8b5",
      "tree": "59a2e44c7dbe82811f56657c43d99f1111c75f26",
      "parents": [
        "5703029de6c56c6f85b3ecbd4e2eee80e025772d"
      ],
      "author": {
        "name": "Hiroshi Yamauchi",
        "email": "yamauchi@google.com",
        "time": "Wed Jun 25 14:30:41 2014 -0700"
      },
      "committer": {
        "name": "Hiroshi Yamauchi",
        "email": "yamauchi@google.com",
        "time": "Fri Jun 27 15:09:19 2014 -0700"
      },
      "message": "Add read barriers to the constant roots.\n\nThis change makes it possible to concurrently scan the constant roots\n(the roots visited by Runtime::VisitConstantRoots()) such as the class\nof java.lang.Class by adding read barriers.\n\nBug: 12687968\nChange-Id: If1afea471c4e1093688d2db37b7f1fc2742edeef\n"
    },
    {
      "commit": "004644fe87046b965442b1ee1008b7206817d187",
      "tree": "f5ade3240a9f969a359491990fd967a32173959d",
      "parents": [
        "df88a9e44673655009cc560947d29c1400516f12"
      ],
      "author": {
        "name": "Brian Carlstrom",
        "email": "bdc@google.com",
        "time": "Wed Jun 18 08:34:01 2014 -0700"
      },
      "committer": {
        "name": "Brian Carlstrom",
        "email": "bdc@google.com",
        "time": "Wed Jun 18 09:36:33 2014 -0700"
      },
      "message": "Fix GetMethodID to find an interface method from a super-interface\n\nBug: 15651032\nChange-Id: I5df113e9489a1615e901f03bed92ed2a1a42bd67\n"
    },
    {
      "commit": "9f1020305292a21fd14a402b189c765a125226ab",
      "tree": "6b730cbe56ded370d1b4293629826ad2c7b06f7f",
      "parents": [
        "bc72903b909f5147b8cb207f3e5d02a8ef85e4e7"
      ],
      "author": {
        "name": "Sebastien Hertz",
        "email": "shertz@google.com",
        "time": "Fri May 23 08:59:42 2014 +0200"
      },
      "committer": {
        "name": "Sebastien Hertz",
        "email": "shertz@google.com",
        "time": "Wed Jun 11 14:29:00 2014 +0200"
      },
      "message": "Fix exception reporting from interpreter\n\nTo comply with JDWP exception report rules, we must report an exception at the\nlocation of the throw (or the first instruction encountered after a native\ncall). To do this, we use the CatchLocationFinder visitor to look for a catch\nhandler until we reach a native frame or the top frame.\n\nBecause interpreter handles pending exception on a method-by-method basis, we\nneed a flag to remember we already reported the exception and avoid reporting\nit multiple times when unwinding methods. The drawback is we need to maintain\nthe state of this flag. We clear it when the exception is cleared. In the case\nwe temporarily clear the exception (when finding a catch handler for instance),\nwe restore the flag to its previous value at the same time we restore the\npending exception.\n\nBump oat version to force recompilation because we modify Thread offsets.\n\nBug: 14402770\nChange-Id: Ic059c58f80b2023b118038301f8f0a24f1e18241\n"
    },
    {
      "commit": "bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9fe",
      "tree": "3d3f667c8232a9c1bb6fe9daea0d364f9ae01d8c",
      "parents": [
        "2e1ca953c7fb165da36cc26ea74d3045d7e272c8"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Wed May 21 17:43:44 2014 -0700"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Mon Jun 09 12:46:32 2014 -0700"
      },
      "message": "Change MethodHelper to use a Handle.\n\nAdded ConstHandle to help prevent errors where you modify the value\nstored in the handle of the caller. Also fixed compaction bugs\nrelated to not knowing MethodHelper::GetReturnType can resolve types.\nThis bug was present in interpreter RETURN_OBJECT.\n\nBug: 13077697\n\nChange-Id: I71f964d4d810ab4debda1a09bc968af8f3c874a3\n"
    },
    {
      "commit": "4479ba35389b03ccc9eabd17fba6168f9505517a",
      "tree": "fb8091b4637b27d8a9d3d4f390b79263a12d9881",
      "parents": [
        "081203e06534e4aa27a942e47084289eecab29ed",
        "61c5ebc6aee2cac1c363de6fbdac25ada1697fdb"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Fri Jun 06 23:37:27 2014 +0000"
      },
      "committer": {
        "name": "Gerrit Code Review",
        "email": "noreply-gerritcodereview@google.com",
        "time": "Fri Jun 06 23:37:27 2014 +0000"
      },
      "message": "Merge \"Change FieldHelper to use a handle.\""
    },
    {
      "commit": "61c5ebc6aee2cac1c363de6fbdac25ada1697fdb",
      "tree": "444936c3e3718b692ba7f1981b863190f26b4ed7",
      "parents": [
        "25c4f6a25b3de9b9d7ca5162f1629753a0b7f003"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Thu Jun 05 17:42:53 2014 -0700"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Fri Jun 06 13:12:17 2014 -0700"
      },
      "message": "Change FieldHelper to use a handle.\n\nFixed compaction bugs related to FieldHelper::GetType in:\nartSet32InstanceFromCode\nSetFieldValueImpl\nCheckReceiver\nField_set\ninterpreter::DoFieldPut\nMethodVerifier::VerifyISGet\nMethodVerifier::VerifyISPut\nMethodVerifier::VerifyIGetQuick\n\nBug: 13077697\n\nChange-Id: I7de9ded2893b5568d43e4daa86fd135bf5508b72\n"
    },
    {
      "commit": "7a6b77f9a694ea4569fbf44493fdcaeea237a8be",
      "tree": "6e1d4f1f4a9cf5de07395e3547f97849bf73163a",
      "parents": [
        "25c4f6a25b3de9b9d7ca5162f1629753a0b7f003",
        "4206eb5d86d3a2406361e59b2018152b2485cced"
      ],
      "author": {
        "name": "Sebastien Hertz",
        "email": "shertz@google.com",
        "time": "Fri Jun 06 07:02:39 2014 +0000"
      },
      "committer": {
        "name": "Gerrit Code Review",
        "email": "noreply-gerritcodereview@google.com",
        "time": "Fri Jun 06 07:02:41 2014 +0000"
      },
      "message": "Merge \"Fix crash in JDWP ReferenceType.SourceFile command\""
    },
    {
      "commit": "4206eb5d86d3a2406361e59b2018152b2485cced",
      "tree": "a83b9f33af46af127dc0c2b781b2b2d505f27502",
      "parents": [
        "fbc3e0baa16f265a5dbc99a38383b4dbc41b04a8"
      ],
      "author": {
        "name": "Sebastien Hertz",
        "email": "shertz@google.com",
        "time": "Thu Jun 05 10:15:45 2014 +0200"
      },
      "committer": {
        "name": "Sebastien Hertz",
        "email": "shertz@google.com",
        "time": "Thu Jun 05 11:36:46 2014 +0200"
      },
      "message": "Fix crash in JDWP ReferenceType.SourceFile command\n\nUpdates Dbg::GetSourceFile to return ABSENT_INFORMATION error code when\nClass::GetSourceFile returns nullptr. This happens if the class has no source\nfile information.\n\nUpdates Class:GetSourceFile to return nullptr for classes which have no\nClassDef item like generated classes. This allows to remove the IsProxyClass\ntest from Dbg::GetSourceFile. Adds this test in proxy_test.\n\nBug: 15426710\nChange-Id: I019da4ced83778d5264484c43b225f8b5c95632e\n"
    },
    {
      "commit": "03dbc04d1d5a3bd62801989b16e994a9ed0dafb5",
      "tree": "be9bffd095457a060dc8a23b9405d725e542cdff",
      "parents": [
        "502a1975e146b288356e49a3af82629637da5ece"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Mon Jun 02 14:24:56 2014 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Mon Jun 02 16:15:27 2014 -0700"
      },
      "message": "Make class status volatile.\n\nDiscourage loads and stores from reordering around the status being updated.\nBug: 15347354\n\nChange-Id: Ice805cb834617747c8209e98a142d3e5c7585719\n"
    },
    {
      "commit": "f832284dd847ff077577bb5712225430bbbb3b67",
      "tree": "44f6b91098639c6ebc438b4ec998d0dc128cef9a",
      "parents": [
        "8f0776768712b2021aa8fb649b51017b9f0fc7a9"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Fri May 16 10:59:25 2014 -0700"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Sun May 18 12:50:33 2014 -0700"
      },
      "message": "Delete ClassHelper and fix compaction bug in GetDirectInterface\n\nCleanup helps to prevent compaction bugs. Fixed a fairly serious\ncompaction error caused by calling ClassHelper::GetDirectInterface\nwithout handling the case where it causes thread suspension due to\nResolveType.\n\nBug: 8981901\n\nChange-Id: I82b3bb6dd48d21eb6ece7aae0733c4a23c2bc408\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": "25023c744c4388a6459b21cc3babf8c602b024a2",
      "tree": "6d266d8eb8ed442e1dfeb5102ed9ed38a5ee83d9",
      "parents": [
        "3d1e6642d350e23fa85d4cfcb03413a576880396"
      ],
      "author": {
        "name": "Hiroshi Yamauchi",
        "email": "yamauchi@google.com",
        "time": "Fri May 09 11:45:53 2014 -0700"
      },
      "committer": {
        "name": "Hiroshi Yamauchi",
        "email": "yamauchi@google.com",
        "time": "Fri May 09 11:50:32 2014 -0700"
      },
      "message": "Make it possible to disable read barriers in Class::GetObjectSize()\n\nThis is a leftover from cl/91831 (commit\n9103c86a98524e9ddfd14f8cee56e919f68eee9b) that attempted to make it\npossible to disable read barriers in Object::SizeOf().\n\nBug: 12687968\nChange-Id: I2b05076832936881ec61bc21b6eb6b7c04e0a1f0\n"
    },
    {
      "commit": "8194963098247be6bca9cc4a54dbfa65c73e8ccc",
      "tree": "547cc708e06e6541676b17066023ae6f07b2049b",
      "parents": [
        "56a341a82ece9aa4f2a071629f3e1fd1adf988ae"
      ],
      "author": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Fri May 02 11:53:22 2014 +0100"
      },
      "committer": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Fri May 02 12:21:02 2014 +0100"
      },
      "message": "Replace CountOneBits and __builtin_popcount with POPCOUNT.\n\nClean up utils.h, make some functions constexpr.\n\nChange-Id: I2399100280cbce81c3c4f5765f0680c1ddcb5883\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": "9103c86a98524e9ddfd14f8cee56e919f68eee9b",
      "tree": "69e64a2f618e10bb8f060cf7fb70c8e94dc43b50",
      "parents": [
        "f7933e7f295bfe61cb0baf89469581c563032e96"
      ],
      "author": {
        "name": "Hiroshi Yamauchi",
        "email": "yamauchi@google.com",
        "time": "Tue Apr 22 13:51:07 2014 -0700"
      },
      "committer": {
        "name": "Hiroshi Yamauchi",
        "email": "yamauchi@google.com",
        "time": "Tue Apr 22 14:26:21 2014 -0700"
      },
      "message": "More code for the read barrier support.\n\nMake it possible to disable the RB in Object::SizeOf() (and the\nfunctions it calls transitively) which the collector will need to call\nto get the size of an object when copying.\n\nAdd Object::AtomicSetReadBarrierPointer() for atomic write of a RB\npointer.\n\nBug: 12687968\nChange-Id: Ibedd252860ac7ccd17e4e7d71b377a8892b48ff0\n"
    },
    {
      "commit": "9837939678bb5dcba178e5fb00ed59b5d14c8d9b",
      "tree": "00f0e6b54d7c4cac78a02752e268724157e50b6e",
      "parents": [
        "3fcf18e25241253f23efbeebe77b2a4c4a7c54d3"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Mon Feb 24 16:53:16 2014 -0800"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Mon Feb 24 18:47:23 2014 -0800"
      },
      "message": "Avoid std::string allocations for finding an array class.\n\nIntroduce ClassLinker::FindArrayClass which performs an array class lookup\ngiven the element/component class. This has a 16 element cache of recently\nlooked up arrays.\nPass the current thread to ClassLinker Find .. Class routines to avoid calls\nto Thread::Current().\nAvoid some uses of FindClass in the debugger where WellKnownClasses is a\nfaster and more compacting GC friendly alternative.\n\nChange-Id: I60e231820b349543a7edb3ceb9cf1ce92db3c843\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": "ef7d42fca18c16fbaf103822ad16f23246e2905d",
      "tree": "c67eea52a349c2ea7f2c3bdda8e73933c05531a8",
      "parents": [
        "822115a225185d2896607eb08d70ce5c7099adef"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Mon Jan 06 12:55:46 2014 -0800"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Thu Feb 06 23:20:27 2014 -0800"
      },
      "message": "Object model changes to support 64bit.\n\nModify mirror objects so that references between them use an ObjectReference\nvalue type rather than an Object* so that functionality to compress larger\nreferences can be captured in the ObjectRefererence implementation.\nObjectReferences are 32bit and all other aspects of object layout remain as\nthey are currently.\n\nExpand fields in objects holding pointers so they can hold 64bit pointers. Its\nexpected the size of these will come down by improving where we hold compiler\nmeta-data.\nStub out x86_64 architecture specific runtime implementation.\nModify OutputStream so that reads and writes are of unsigned quantities.\nMake the use of portable or quick code more explicit.\nTemplatize AtomicInteger to support more than just int32_t as a type.\nAdd missing, and fix issues relating to, missing annotalysis information on the\nmutator lock.\nRefactor and share implementations for array copy between System and uses\nelsewhere in the runtime.\nFix numerous 64bit build issues.\n\nChange-Id: I1a5694c251a42c9eff71084dfdd4b51fff716822\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": "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": "dfb325e0ddd746cd8f7c2e3723b3a573eb7cc111",
      "tree": "0b63738b04404f42015da7164dfe5ec506452b02",
      "parents": [
        "eda6df7374bf61c933d4a36635e2a9a30c9892a0"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Wed Oct 30 01:00:44 2013 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Wed Oct 30 01:00:44 2013 -0700"
      },
      "message": "Don\u0027t use UTF16 length as length for MUTF8.\n\nBug 11367555.\n\nChange-Id: Ia0b07072a1a49d435c3b71ed9a668b316b7ff5d8\n"
    },
    {
      "commit": "1eb512d33f94d1dd7ea38263307ba0f7a0dfa653",
      "tree": "b4d4d9b16013ab90fb4b40d23013d7ef44bb5852",
      "parents": [
        "b917ea1a62aa0ab8eca3f689ef64b5be34e11abb"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Fri Oct 18 15:42:20 2013 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Sun Oct 20 14:55:26 2013 -0700"
      },
      "message": "Fast JNI support.\n\nUse a modifier to signal a native method is a fast JNI method. If the\nmodifier is set then don\u0027t perform runnable transitions.\n\nChange-Id: I7835b4d837bfdd1cb8e2d54b919c0d5e6cf90499\n"
    },
    {
      "commit": "241b5de2d3cf06868ac31f1153aa0b32ddb07b20",
      "tree": "6161a90ea504c3907d171f16ca7d94817bbf8b9a",
      "parents": [
        "252a00273bc945ebe4a1d77d82d085fdff2ae769"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Wed Oct 09 17:58:57 2013 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Thu Oct 10 17:26:04 2013 -0700"
      },
      "message": "Clinits may not have the kAccConstructor flag.\n\nBug: 11157540\nSet the clinit access flag when we load the method and warn about badly\nformed access flags.\n\nChange-Id: I515c692095051f84f98510722ab764591185918e\n"
    },
    {
      "commit": "d9c4fc94fa618617f94e1de9af5f034549100753",
      "tree": "1305efbbc3d4bc306c0947bb6d4b01553667f98e",
      "parents": [
        "7ef126ce0593929bcf8fb73d8b1119ce3b95b3f2"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Tue Oct 01 19:45:43 2013 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Wed Oct 02 09:31:55 2013 -0700"
      },
      "message": "Inflate contended lock word by suspending owner.\n\nBug 6961405.\nDon\u0027t inflate monitors for Notify and NotifyAll.\nTidy lock word, handle recursive lock case alongside unlocked case and move\nassembly out of line (except for ARM quick). Also handle null in out-of-line\nassembly as the test is quick and the enter/exit code is already a safepoint.\nTo gain ownership of a monitor on behalf of another thread, monitor contenders\nmust not hold the monitor_lock_, so they wait on a condition variable.\nReduce size of per mutex contention log.\nBe consistent in calling thin lock thread ids just thread ids.\nFix potential thread death races caused by the use of FindThreadByThreadId,\nmake it invariant that returned threads are either self or suspended now.\n\nCode size reduction on ARM boot.oat 0.2%.\nOld nexus 7 speedup 0.25%, new nexus 7 speedup 1.4%, nexus 10 speedup 2.24%,\nnexus 4 speedup 2.09% on DeltaBlue.\n\nChange-Id: Id52558b914f160d9c8578fdd7fc8199a9598576a\n"
    },
    {
      "commit": "d91d6d6a80748f277fd938a412211e5af28913b1",
      "tree": "5c45f4ae53aab3f530284a97dc328b4e38ce7c94",
      "parents": [
        "9c11b56296b8cffc94b0b854ce6cff7e014b8d57"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Wed Sep 25 20:26:14 2013 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Thu Sep 26 21:08:25 2013 -0700"
      },
      "message": "Introduce Signature type to avoid string comparisons.\n\nMethod resolution currently creates strings to then compare with strings formed\nfrom methods in other dex files. The temporary strings are purely created for\nthe sake of comparisons. This change creates a new Signature type that\nrepresents a method signature but not as a string. This type supports\ncomparisons and so can be used when searching for methods in resolution.\n\nWith this change malloc is no longer the hottest method during dex2oat (now its\nmemset) and allocations during verification have been reduced. The verifier is\ncommonly what is populating the dex cache for methods and fields not declared\nin the dex file itself.\n\nChange-Id: I5ef0542823fbcae868aaa4a2457e8da7df0e9dae\n"
    },
    {
      "commit": "fc0e94bed3f88ed7e50854fd8dfaf5dcb345250f",
      "tree": "5cfbe05084351576e9659cb8f7b66dcb6163a37b",
      "parents": [
        "576fe9d4181c749aa510e32d2521ed4192bdfda0"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Mon Sep 23 23:51:32 2013 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Tue Sep 24 17:07:24 2013 -0700"
      },
      "message": "StringPiece clean up.\n\nProfile guided clean up.\nTry to avoid creating StringPieces with the contents of a dex file where\nthe length is known.\nTry to avoid RegTypeCache::FromDescriptor when there\u0027s a class available.\nMake ConstantType::ConstantValue inlinable.\nSaving of about 50ms from a 2 threaded ThinkFree compile on host.\n\nChange-Id: I47a12c3c76f46e2c9805be1c3a3e3870fe1f5d85\n"
    },
    {
      "commit": "8b2c0b9abc3f520495f4387ea040132ba85cae69",
      "tree": "13ea7e5c4e3d1804ec8d420d36f7ea5ab18f6ac0",
      "parents": [
        "5712d5d04640925970db9c98938ffaf806b3962c"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Thu Sep 19 02:56:49 2013 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Thu Sep 19 15:17:12 2013 -0700"
      },
      "message": "Use class def index from java.lang.Class.\n\nBug: 10244719\nDepends on:\nhttps://googleplex-android-review.git.corp.google.com/362363\nThis removes the computation of the dex file index, when necessary this is\ncomputed by searching the dex file. Its only necessary in\ndalvik.system.DexFile.defineClassNative and DexFile::FindInClassPath, the\nlatter not showing up significantly in profiling with this change.\n\nChange-Id: I20c73a3b17d86286428ab0fd21bc13f51f36c85c\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": "7dfb28c066159e6cde8181720f0c451a700ef966",
      "tree": "5279fb95da015365846eb48d931b9355b540cb9e",
      "parents": [
        "a7e885013753df3f07bf038a8c4a187fb97c78e1"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Thu Aug 22 08:18:36 2013 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Fri Aug 23 10:49:29 2013 -0700"
      },
      "message": "Don\u0027t scan image space when starting runtime.\n\nBug 10432288.\nFind Classes and Strings from dex caches lazily rather than when the image is\nloaded.\nMake class status changes do notifies when there can be waiters.\nFor Class lookup there\u0027s a pathology if we always search dex caches and\nso after 1000 failures move all classes into the class table.\nBe consistent in using \"const char*\" for class linker descriptors as this\nmost easily agrees with the type in the dex file.\nImprove the intern run-test so that it has a case of a literal contained in the\nimage.\nModify image_test to allow any valid lock word rather than expecting 0, ideally\nwe wouldn\u0027t see inflated monitors but we do due to NotifyAll (see bug 6961405).\n\nChange-Id: Ia9bfa748eeccb9b4498784b97c6823141b1f6db8\n"
    },
    {
      "commit": "8f3c9ae38df2460940a26dff889a84430b6c38d3",
      "tree": "55d5858382e5f66211db96d587b06914bad850d7",
      "parents": [
        "b8a0b94735f188bc739e4c55479c37699006b881"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Tue Aug 20 17:26:41 2013 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Wed Aug 21 16:31:42 2013 -0700"
      },
      "message": "Don\u0027t allow class status to go backward except for error.\n\nAllow greater parallelism of initialization.\nBug 10393546.\n\nChange-Id: Ic194ed490bb0a986250c09fcf335eb1be9714657\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": "0cd7ec2dcd8d7ba30bf3ca420b40dac52849876c",
      "tree": "525a0f99f9381156367c988133b5d51d5dfef6f7",
      "parents": [
        "f69863b3039fc621ff4250e262d2a024d5e79ec8"
      ],
      "author": {
        "name": "Brian Carlstrom",
        "email": "bdc@google.com",
        "time": "Wed Jul 17 23:40:20 2013 -0700"
      },
      "committer": {
        "name": "Brian Carlstrom",
        "email": "bdc@google.com",
        "time": "Thu Jul 18 00:12:43 2013 -0700"
      },
      "message": "Fix cpplint whitespace/blank_line issues\n\nChange-Id: Ice937e95e23dd622c17054551d4ae4cebd0ef8a2\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": "233ea8e084a95ad2a3af746dddbadb155db6a814",
      "tree": "be5eeee19b2274e1b199a230e9297f277b47d155",
      "parents": [
        "8afe6e0d8c4151ac74afc4ebe0dab85550821243"
      ],
      "author": {
        "name": "Sebastien Hertz",
        "email": "shertz@google.com",
        "time": "Thu Jun 06 11:57:09 2013 +0200"
      },
      "committer": {
        "name": "Sebastien Hertz",
        "email": "shertz@google.com",
        "time": "Thu Jun 13 17:15:16 2013 +0200"
      },
      "message": "No access check support.\n\nThis CL adds support to disable access check when a method is preverified (at\ncompilation time) and we know we don\u0027t need to do any access check.\n\nThe interpreter has now two modes of execution: with or without access check.\nThis is realized by using a template function.\n\nA new runtime access flag kAccPreverified is added onto each method belonging\nto a preverified class. If this flag is set, we enter the interpreter in \"no\naccess check\" mode. Otherwise, we enter the interpreter in \"with access check\"\nmode.\n\nChange-Id: Ic34163421d5b0aca3d1bce22ef7c095dcf465a18\n"
    },
    {
      "commit": "62d6c772205b8859f0ebf7ad105402ec4c3e2e01",
      "tree": "e2f2ba6d71ed5a39c9f6909e3f7c08e998053315",
      "parents": [
        "c9b17c7ee96cd04fac9048aab624ed554fe260bf"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Wed Feb 27 08:32:07 2013 -0800"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Mon Apr 08 14:24:13 2013 -0700"
      },
      "message": "Interpreter entries and instrumentation as a listener.\n\nMake the instrumentation responsible for whether we want method entry/exit\nstubs, and allow it to use interpreter entry stubs when instruction by\ninstruction instrumentation is required. Improve deoptimization so more JDWP\ntest cases are passing.\n\nRefactor exception debug posting, in particular improve reporting in the\ninterpreter. Improve class linker exception throwing so that broken dex files\nare more likely to be reported. Fixes the performance issue Bug: 8410519.\n\nFix some error reporting lock level errors for the large object space. Make\nfast object verification faster.\n\nAdd some debug mode robustness to finding dex PCs in GC maps.\n\nAdd printf attributes to JniAbortF and fix errors.\n\nExpand run-test 044 to test return behaviors and fix issues with not throwing\nappropriate exceptions for proxies.\n\nEnsure causes are reported with a class linker NoClassDefFoundError and JNI\nNoSuchFieldError.\n\nRemove unused debugMe and updateDebuggerFromCode.\n\nThere\u0027s a minor sizing tweak to the arg array builder, and an extra reference\narray check in the interpreter.\n\nSome clean-up of trace code.\n\nFix reg type cache destructor if it is called after the reg type cache is\nshutdown (as is the case in oatdump).\n\nChange-Id: I6519c7b35df77f978d011999354c864f4918e8ce\n"
    },
    {
      "commit": "857fe960a02834c0d6b8792dcc0af8143995cb1f",
      "tree": "89971245e916d1d33f512a3b493677ef87609f2f",
      "parents": [
        "2b5bd591578c246e36ec7d643b96124ce1cdb4fe"
      ],
      "author": {
        "name": "Brian Carlstrom",
        "email": "bdc@google.com",
        "time": "Tue Mar 26 22:46:15 2013 -0700"
      },
      "committer": {
        "name": "Brian Carlstrom",
        "email": "bdc@google.com",
        "time": "Tue Mar 26 22:46:15 2013 -0700"
      },
      "message": "Fix Class::IsInSamePackage\n\nChange-Id: Ibb7a44ba58777829ec6cc4d9c3f364eb03b719be\n"
    },
    {
      "commit": "9fa3f20c5fa101a4f55f123d817590b7cfbdbfc0",
      "tree": "c4ebb894183c7805482ee316abd2fb9086fe5fac",
      "parents": [
        "f3e9855ee2000106b54fd479f7a46da2dc2ad079"
      ],
      "author": {
        "name": "Anwar Ghuloum",
        "email": "anwarg@google.com",
        "time": "Tue Mar 26 14:32:54 2013 -0700"
      },
      "committer": {
        "name": "Anwar Ghuloum",
        "email": "anwarg@google.com",
        "time": "Tue Mar 26 14:32:54 2013 -0700"
      },
      "message": "Proxy filter for insamepackage checks\n\nSpeeds up interepreter by avoiding unecessary creation of std::strings.\n2x improvement for drhystone, that mobile benchmark powerhouse.\n\nChange-Id: Ie680d44134d02c43ff9d6958fee10ed8959d44db\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": "693ff61274cd2c9b8eb7e68c370f84a911b8ca52",
      "tree": "11f1f6b3e5302b8a58c5ca44c3a1bec1b16d90a4",
      "parents": [
        "12a2bdd245ea866b665d4800b493397ec412892a"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Fri Feb 01 10:56:12 2013 -0800"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Fri Feb 01 21:29:49 2013 -0800"
      },
      "message": "Performance improvements by removing a DMB and inlining.\n\nCorrect the version of CAS used by Mutex::Lock to be acquire and not release.\nDon\u0027t do a memory barrier in thread transitions when there is already a\nbarrier associated with the mutator lock.\nForce inlining of the hot thread and shared lock code, heavily used by down\ncalls and JNI.\nForce inlining of mirror routines that are used by runtime support and hot.\n\nPerformance was measured and improved using perf and maps.\n\nChange-Id: I012580e337143236d8b6d06c1e270183ae51083c\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"
    }
  ]
}