)]}'
{
  "log": [
    {
      "commit": "e63db27db913f1a88e2095a1ee8239b2bb9124e8",
      "tree": "893dee6783bca6717259321a6e4ba029c9c123e2",
      "parents": [
        "07b8441303ea82fca3cb85d71ecf8752d73cedd7"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Tue Jul 15 15:36:11 2014 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Tue Jul 15 17:07:49 2014 -0700"
      },
      "message": "Break apart header files.\n\nCreate libart-gtest for common runtime and compiler gtest routines.\nRename CompilerCallbacksImpl that is quick compiler specific.\nRename trace clock source constants to not use the overloaded profiler term.\n\nChange-Id: I4aac4bdc7e7850c68335f81e59a390133b54e933\n"
    },
    {
      "commit": "3e5cf305db800b2989ad57b7cde8fb3cc9fa1b9e",
      "tree": "52a737323ebd505cf37ca0e4b2dcee6524fba07f",
      "parents": [
        "27a2b70f612af9afc0fb5392fb10059f6a0a3569"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Tue May 20 16:40:37 2014 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Tue May 20 21:17:03 2014 -0700"
      },
      "message": "Begin migration of art::Atomic to std::atomic.\n\nChange-Id: I4858d9cbed95e5ca560956b9dabd976cebe68333\n"
    },
    {
      "commit": "700a402244a1a423da4f3ba8032459f4b65fa18f",
      "tree": "4c22fcda04d271bd55a37aff30650214af17a90c",
      "parents": [
        "047c11adcbcbc0bcf210defdfcbada763961ffee"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Mon May 19 16:49:03 2014 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Mon May 19 22:27:39 2014 -0700"
      },
      "message": "Now we have a proper C++ library, use std::unique_ptr.\n\nAlso remove the Android.libcxx.mk and other bits of stlport compatibility\nmechanics.\n\nChange-Id: Icdf7188ba3c79cdf5617672c1cfd0a68ae596a61\n"
    },
    {
      "commit": "507dfdd147c97bfbadebfd63584d094b6a4e7b47",
      "tree": "cce43931b6dcd088cb2932c2491f86116353a27f",
      "parents": [
        "922ddb30982d2597eab634d8b8598bec0eb7d3b7"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Thu May 15 16:42:40 2014 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Thu May 15 16:50:51 2014 -0700"
      },
      "message": "Compatibility layer to transition from UniquePtr to std::unique_ptr.\n\nUse ART_WITH_STLPORT (enabled for the target) to cause the use of UniquePtr,\nfor the host switch to std::unique_ptr. For now the type remains called\nUniquePtr.\nMake dalvik compile with clang on the host, move its build to C++11.\n\nChange-Id: I5ba8d2757904bc089ed62047ea03de3c0853fb12\n"
    },
    {
      "commit": "a1ce1fef2d49d1d537776a5308ace7102a815fe5",
      "tree": "a1afe850d9ebd21f4b751eb68e1ec3dc60dab001",
      "parents": [
        "930f7b843ddc6e6530439d3fdb0e2133a6292f1e"
      ],
      "author": {
        "name": "Brian Carlstrom",
        "email": "bdc@google.com",
        "time": "Mon Feb 24 23:23:58 2014 -0800"
      },
      "committer": {
        "name": "Brian Carlstrom",
        "email": "bdc@google.com",
        "time": "Wed Feb 26 13:17:44 2014 -0800"
      },
      "message": "Split up CommonTest into CommonRuntimeTest and CommonCompilerTest\n\nChange-Id: I8dcf6b29a5aecd445f1a3ddb06386cf81dbc9c70\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": "bcd5e9daecad39f0dab3246808b4835caec29ea6",
      "tree": "1221f94faef80c649e7236f0e7c3045383720abb",
      "parents": [
        "dfcca560e7b92e055a02adb39fdfb11798144cdd"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Wed Nov 13 14:33:28 2013 -0800"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Wed Nov 13 14:48:41 2013 -0800"
      },
      "message": "Manually manage thread pool stacks.\n\nWe now allocate the thread pool worker stack using a MemMap. This\nenables us to name the maps so that we get more descriptive output\nfor debugging leaks.\n\nAppears to fix the mips build 5/5 successful clean-oat and builds.\nThis is probably since glibc caches up to 40 MB of thread stacks\nbefore releasing them.\n\nChange-Id: I1df2de50cb95838aa0d272a09807021404ba410c\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": "93ba893c20532990a430741e0a97212900094e8c",
      "tree": "019990a1957562c1f573c77297df5923cce98f47",
      "parents": [
        "b1eba213afaf7fa6445de863ddc9680ab99762ea"
      ],
      "author": {
        "name": "Brian Carlstrom",
        "email": "bdc@google.com",
        "time": "Wed Jul 17 21:31:49 2013 -0700"
      },
      "committer": {
        "name": "Brian Carlstrom",
        "email": "bdc@google.com",
        "time": "Wed Jul 17 21:46:12 2013 -0700"
      },
      "message": "Fix cpplint runtime/explicit issues\n\nChange-Id: I352ba0b427f1ff9b22887693952b180eae0839ba\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": "23055dc5d7a90c4a12e259fd0ed7cd4d04d89182",
      "tree": "ef7ae39a1c99fd7c57cf93473c27ba92c92299a0",
      "parents": [
        "d914eb2a839f7b40156ff0299a60e5cb80080b73"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Thu Apr 18 16:29:16 2013 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Thu Apr 18 16:29:16 2013 -0700"
      },
      "message": "Mutex tidy up.\n\nCondition variable names needn\u0027t be strings - the use was leading to valgrind\nwarnings.\nDon\u0027t fail AssertSharedHeld when self isn\u0027t known.\nAllow gtest thread chance to merge to avoid memory leak.\nMake barrier test log output more human readable.\n\nChange-Id: If1923c69a2965d933036c496dc5b1d64ec887db2\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": "35883cc623fdf475a4ead1dafcba9e9becc1ed11",
      "tree": "792bdfcb0a556f7c54a35d9c0e4409d3ca4dd2e5",
      "parents": [
        "ec13743da80a80c1817cf6660c28917fc28846bc"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Tue Nov 13 14:08:12 2012 -0800"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Tue Nov 13 16:33:39 2012 -0800"
      },
      "message": "Ensure ThreadPool constructor does not return until fully initialized.\n\nThread pool was being deleted too early during runtime shutdown,\nthis was causing a GC running during runtime shutdown to\noccasionally reference a deleted thread pool.\n\nFixed an error where the thread pool was being deleted before the\nthreads were done attaching by making the thread pool constructor\nblock until all of the threads are attached.\n\nChange-Id: I5f0884a74d78c4541ee0e582112857077f3f594f\n"
    },
    {
      "commit": "02b6a78038f12c109f95eb31713cfc747f5512f1",
      "tree": "c36841561a47b2ce3cf15b00fdae822e5a6c5b64",
      "parents": [
        "bcc2926b9721f94c17ed98fae5264cc98f0e066f"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Fri Oct 26 13:51:26 2012 -0700"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Tue Nov 06 16:07:36 2012 -0800"
      },
      "message": "Parellel mark stack processing\n\nEnabled parallel mark stack processing by using a thread pool.\n\nOptimized object scanning by removing dependent loads for IsClass.\n\nPerformance:\nPrime: ~10% speedup of partial GC.\nNakasi: ~50% speedup of partial GC.\n\nChange-Id: I43256a068efc47cb52d93108458ea18d4e02fccc\n"
    },
    {
      "commit": "0e4627e593bc39f8e3d89c31f8977d55054c07cc",
      "tree": "1d69558732c0c916e51a530985a26d4235ef0e6c",
      "parents": [
        "9281f004db3f194930ef34d31e5d80c98341f38f"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Tue Oct 23 16:13:36 2012 -0700"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Fri Oct 26 12:00:03 2012 -0700"
      },
      "message": "Add thread pool class\n\nAdded a thread pool class loosely based on google3 code.\n\nModified the compiler to have a single thread pool instead of creating new threads in ForAll.\n\nMoved barrier to be in top level directory as it is not GC specific code.\n\nPerformance Timings:\n\nReference:\nboot.oat: 14.306596s\ntime mm oat-target:\nreal    2m33.748s\nuser    10m23.190s\nsys 5m54.140s\n\nThread pool:\nboot.oat: 13.111049s\ntime mm oat-target:\nreal    2m29.372s\nuser    10m3.130s\nsys 5m46.290s\n\nThe speed increase is probably just noise.\n\nChange-Id: If3c1280cbaa4c7e4361127d064ac744ea12cdf49\n"
    }
  ]
}