)]}' { "log": [ { "commit": "f677ebfd832c9c614fea5e6735725fec2f7a3f2a", "tree": "051b3ba6343bdbca4929d728dd5c0341e4383a08", "parents": [ "c47908e8c32fd58bc4dc75998a80f706954db1dc" ], "author": { "name": "David Brazdil", "email": "dbrazdil@google.com", "time": "Fri May 29 16:29:43 2015 +0100" }, "committer": { "name": "David Brazdil", "email": "dbrazdil@google.com", "time": "Thu Jun 04 17:25:02 2015 +0100" }, "message": "Cache stack map encoding\n\nOperations on CodeInfo and StackMap objects repeatedly read encoding\ninformation from the MemoryRegion. Since these are 3-bit-loads of\nvalues that never change, caching them can measurably reduce compile\ntimes.\n\nAccording to benchmarks, this patch saves 1-3% on armv7, 2-4% on x86,\nand 0-1% on x64.\n\nChange-Id: I46b197513601325d8bab562cc80100c00ec28a3b\n" }, { "commit": "f10a25f961eb8029c01c84fe8eabd405055cca37", "tree": "a0fd9dfa459689fa2929a89310ebcd3a45607e5f", "parents": [ "1682e1aa3463c2e6a8e5f4a9d3f4d13a0e31e3da" ], "author": { "name": "David Brazdil", "email": "dbrazdil@google.com", "time": "Tue Jun 02 14:29:52 2015 +0100" }, "committer": { "name": "David Brazdil", "email": "dbrazdil@google.com", "time": "Tue Jun 02 14:36:09 2015 +0100" }, "message": "ART: Fast copy stack mask\n\nStackMap::SetStackMask will currently copy a BitVector into a Memory-\nRegion bit by bit. This patch adds a new function for copying the data\nwith memcpy.\n\nThis is resubmission of CL I28d45a590b35a4a854cca2f57db864cf8a081487\nbut with a fix for a broken test which it revealed.\n\nChange-Id: Ib65aa614d3ab7b5c99c6719fdc8e436466a4213d\n" }, { "commit": "b176d7c6c8c01a50317f837a78de5da57ee84fb2", "tree": "81ec0c16267c527bdc64923b374be915206e6af9", "parents": [ "713c59e813daa92da3f1678add6c4c7e16dcff11" ], "author": { "name": "Nicolas Geoffray", "email": "ngeoffray@google.com", "time": "Wed May 20 18:48:31 2015 +0100" }, "committer": { "name": "Nicolas Geoffray", "email": "ngeoffray@google.com", "time": "Thu May 21 12:10:00 2015 +0100" }, "message": "Also encode the InvokeType in an InlineInfo.\n\nThis will be needed to recover the call stack.\n\nChange-Id: I2fe10785eb1167939c8cce1862b2d7f4066e16ec\n" }, { "commit": "b1d0f3f7e92fdcc92fe2d4c48cbb1262c005583f", "tree": "0e3ce752f82ff5d7f10d37d46bda058ca54d7e40", "parents": [ "119b21a6dfdb09d983a9e56a837fbf5c98e57096" ], "author": { "name": "Nicolas Geoffray", "email": "ngeoffray@google.com", "time": "Thu May 14 12:41:51 2015 +0100" }, "committer": { "name": "Nicolas Geoffray", "email": "ngeoffray@google.com", "time": "Mon May 18 13:00:29 2015 +0100" }, "message": "Support InlineInfo in StackMap.\n\nChange-Id: I9956091775cedc609fdae7dec1433fcb8858a477\n" }, { "commit": "4f46ac5179967dda5966f2dcecf2cf08977951ef", "tree": "4c9ea50d9a135767c6e9a4abcf9b9c401a033414", "parents": [ "4ceed922d44b68c3fa7cbe670014c9e2e003b92b" ], "author": { "name": "Calin Juravle", "email": "calin@google.com", "time": "Thu Apr 23 18:47:21 2015 +0100" }, "committer": { "name": "Calin Juravle", "email": "calin@google.com", "time": "Thu Apr 23 19:58:22 2015 +0100" }, "message": "Cleanup and improve stack map stream\n\n- transform AddStackMapEntry into BeginStackMapEntry/EndStackMapEntry.\nThis allows for nicer code and less assumptions when searching for equal\ndex register maps.\n- store the components sizes and their start positions as fields to\navoid re-computation.\n- store the current stack map entry as a field to avoid the copy\nsemantic when updating its value in the stack maps array.\n- remove redundant methods and fix visibility for the remaining ones.\n\nChange-Id: Ica2d2969d7e15993bdbf8bc41d9df083cddafd24\n" }, { "commit": "896f8f7fe562f6e59119cb32531da9f0a5f13d18", "tree": "9f2b61474702a655ab5e793bac44d89612cf1b80", "parents": [ "7411a69982c055692966c685636b6a226f10215e" ], "author": { "name": "Nicolas Geoffray", "email": "ngeoffray@google.com", "time": "Mon Mar 30 15:44:25 2015 +0100" }, "committer": { "name": "Nicolas Geoffray", "email": "ngeoffray@google.com", "time": "Tue Mar 31 15:32:48 2015 +0100" }, "message": "Use variable encoding for StackMap.\n\ndex_pc, native_pc_offset, dex_register_map_offset, inline_info_offset,\nand register_mask can now be encoded in 1, 2, 3, or 4 bytes.\n\nChange-Id: I15f93e8226ce374204d44c5a80a9fd89bda2687c\n" }, { "commit": "a552e1c0584b8ab63150510286478c68cdbce13f", "tree": "c9c66b3d6bf001491ddd6a59d16d345d5656db8f", "parents": [ "ba6233527e455368bba02efe963dd1e24d971727" ], "author": { "name": "Roland Levillain", "email": "rpl@google.com", "time": "Thu Mar 26 15:01:03 2015 +0000" }, "committer": { "name": "Roland Levillain", "email": "rpl@google.com", "time": "Tue Mar 31 12:47:33 2015 +0100" }, "message": "Use unique location catalogs to encode Dex register maps.\n\n- For each CodeInfo object (i.e. for each method), compute a\n variable index size location catalog of unique Dex\n register locations. In Dex register maps, instead of\n storing the actual location of a (live) Dex register,\n store the index of the location catalog entry containing\n that Dex register location.\n- Adjust art::StackMapStream,\n art::CheckReferenceMapVisitor::CheckOptimizedMethod,\n art::StackVisitor::GetVRegFromOptimizedCode, and\n art::StackVisitor::SetVRegFromOptimizedCode.\n- Add LoadBits and StoreBits methods to art::MemoryRegion\n to load and store a block of adjacent bits in a memory\n region.\n- Update compiler/optimizing/stack_map_test.cc.\n- Remove the default value for parameter EmptyFn of\n art::HashMap. This default value did not seem to make\n sense, as it would create an \"empty function\" for type Key\n by default, whereas art::HashMap expects an \"empty\n function\" for type std::pair\u003cKey, Value\u003e.\n\nChange-Id: Id9e49d7756c253ce41c36630cd832208d06c2e28\n" }, { "commit": "6ae70962089e4af9718cc9b7c2b79a0c501c1844", "tree": "3b7cd46ed7c7bab95dc258a29883297738138f6c", "parents": [ "2f5904383a7b7ffb741c8839ec3c60762860bad3" ], "author": { "name": "Calin Juravle", "email": "calin@google.com", "time": "Wed Mar 18 16:31:28 2015 +0000" }, "committer": { "name": "Calin Juravle", "email": "calin@google.com", "time": "Wed Mar 25 13:50:23 2015 +0000" }, "message": "Share dex register maps between stack maps when possible.\n\nIf two stack maps have the same dex register map then one of them will\nreference the register map from the other instead of owning an\nindependent copy.\n\nThis saves around 1.5% of space.\n\nChange-Id: Ic2c2c81210c6c45a5c5f650f7ba82a46ff6f45e4\n" }, { "commit": "004c230b4cfc856690c61faabc41864061813c88", "tree": "40d95445eaa2eb248fa639755689c797a5e0c2ae", "parents": [ "735dc87c92bee338d0638b3290c2b93a122429f2" ], "author": { "name": "Nicolas Geoffray", "email": "ngeoffray@google.com", "time": "Fri Mar 20 10:06:38 2015 +0000" }, "committer": { "name": "Nicolas Geoffray", "email": "ngeoffray@google.com", "time": "Fri Mar 20 14:55:15 2015 +0000" }, "message": "Compress the StackMaps.\n\nFirst step towards the compression of the StackMap (not\nthe DexRegisterMap). Next step will be to just use what is\nneeded (instead of byte -\u003e word).\n\nChange-Id: I4f81b2d05bf5cc508585e16fbbed1bafbc850e2e\n" }, { "commit": "eeefa1276e83776f08704a3db4237423b0627e20", "tree": "d7c647ca77703f3712f567704f40b00d59a125de", "parents": [ "02c0bac34c246c1bd974dbb86d292d4b52ba98e4" ], "author": { "name": "Nicolas Geoffray", "email": "ngeoffray@google.com", "time": "Fri Mar 13 18:52:59 2015 +0000" }, "committer": { "name": "Nicolas Geoffray", "email": "ngeoffray@google.com", "time": "Mon Mar 16 10:48:21 2015 +0000" }, "message": "Update locations of registers after slow paths spilling.\n\nChange-Id: Id9aafcc13c1a085c17ce65d704c67b73f9de695d\n" }, { "commit": "fead4e4f397455aa31905b2982d4d861126ab89d", "tree": "21e4ccd99472bbf5cf1fac3bc20d0bca6f176022", "parents": [ "cc22e3946baf035c8732e9417ab132bfe663aa45" ], "author": { "name": "Nicolas Geoffray", "email": "ngeoffray@google.com", "time": "Fri Mar 13 14:39:40 2015 +0000" }, "committer": { "name": "Nicolas Geoffray", "email": "ngeoffray@google.com", "time": "Fri Mar 13 18:28:19 2015 +0000" }, "message": "[optimizing] Don\u0027t record None locations in the stack maps.\n\n- moved environment recording from code generator to stack map stream\n- added creation/loading factory methods for the DexRegisterMap (hides\ninternal details)\n- added new tests\n\nChange-Id: Ic8b6d044f0d8255c6759c19a41df332ef37876fe\n" }, { "commit": "a2d8ec6876325e89e5d82f5dbeca59f96ced3ec1", "tree": "65bf174b669ff3cd9694dc5a1124fb9f2225ade1", "parents": [ "39d9fe2eb3552a002c53ed41701c6faffe3cd75a" ], "author": { "name": "Roland Levillain", "email": "rpl@google.com", "time": "Thu Mar 12 15:25:29 2015 +0000" }, "committer": { "name": "Roland Levillain", "email": "rpl@google.com", "time": "Thu Mar 12 15:25:29 2015 +0000" }, "message": "Compress the Dex register maps built by the optimizing compiler.\n\n- Replace the current list-based (fixed-size) Dex register\n encoding in stack maps emitted by the optimizing compiler\n with another list-based variable-size Dex register\n encoding compressing short locations on 1 byte (3 bits for\n the location kind, 5 bits for the value); other (large)\n values remain encoded on 5 bytes.\n- In addition, use slot offsets instead of byte offsets to\n encode the location of Dex registers placed in stack\n slots at small offsets, as it enables more values to use\n the short (1-byte wide) encoding instead of the large\n (5-byte wide) one.\n- Rename art::DexRegisterMap::LocationKind as\n art::DexRegisterLocation::Kind, turn it into a\n strongly-typed enum based on a uint8_t, and extend it to\n support new kinds (kInStackLargeOffset and\n kConstantLargeValue).\n- Move art::DexRegisterEntry from\n compiler/optimizing/stack_map_stream.h to\n runtime/stack_map.h and rename it as\n art::DexRegisterLocation.\n- Adjust art::StackMapStream,\n art::CodeGenerator::RecordPcInfo,\n art::CheckReferenceMapVisitor::CheckOptimizedMethod,\n art::StackVisitor::GetVRegFromOptimizedCode, and\n art::StackVisitor::SetVRegFromOptimizedCode.\n- Implement unaligned memory accesses in art::MemoryRegion.\n- Use them to manipulate data in Dex register maps.\n- Adjust oatdump to support the new Dex register encoding.\n- Update compiler/optimizing/stack_map_test.cc.\n\nChange-Id: Icefaa2e2b36b3c80bb1b882fe7ea2f77ba85c505\n" }, { "commit": "12baf476389359d54ae04d7898190ef6f81ab0b2", "tree": "08978200d483aed50c0128e9fa241d254facb50b", "parents": [ "442b46a087c389a91a0b51547ac9205058432364" ], "author": { "name": "Roland Levillain", "email": "rpl@google.com", "time": "Thu Mar 05 12:41:42 2015 +0000" }, "committer": { "name": "Roland Levillain", "email": "rpl@google.com", "time": "Thu Mar 05 14:44:46 2015 +0000" }, "message": "Extend compiler/optimizing/stack_map_test.cc.\n\nChange-Id: I6f8c3186683210a5162cbf4f15361a4c494495c9\n" }, { "commit": "442b46a087c389a91a0b51547ac9205058432364", "tree": "4efa4b4da919dd7b9aa18996a5316febcf1c8989", "parents": [ "aa9b7c48069699e2aabedc6c0f62cb131fee0c73" ], "author": { "name": "Roland Levillain", "email": "rpl@google.com", "time": "Wed Feb 18 16:54:21 2015 +0000" }, "committer": { "name": "Roland Levillain", "email": "rpl@google.com", "time": "Thu Feb 19 12:13:09 2015 +0000" }, "message": "Display optimizing compiler\u0027s CodeInfo objects in oatdump.\n\nA few elements are not displayed yet (stack mask, inline info) though.\n\nChange-Id: I5e51a801c580169abc5d1ef43ad581aadc110754\n" }, { "commit": "3946844c34ad965515f677084b07d663d70ad1b8", "tree": "0d85bfba2ff69c34a2897351d1e50a1464509305", "parents": [ "e2c23739c6395a83b30ece38f8a2e9e1bf7cf3ce" ], "author": { "name": "Nicolas Geoffray", "email": "ngeoffray@google.com", "time": "Tue Sep 02 15:17:15 2014 +0100" }, "committer": { "name": "Nicolas Geoffray", "email": "ngeoffray@google.com", "time": "Mon Sep 08 12:15:07 2014 +0100" }, "message": "Runtime support for the new stack maps for the opt compiler.\n\nNow most of the methods supported by the compiler can be optimized,\ninstead of using the baseline.\n\nChange-Id: I80ab36a34913fa4e7dd576c7bf55af63594dc1fa\n" }, { "commit": "99ea58cc68b51837c065f4a2a54efbf208dd76fa", "tree": "065c1335213b0bff5c3fb7a0dc79785f77441c9f", "parents": [ "b5a214105d4c9b6c14de1649764950dd35bd620f" ], "author": { "name": "Nicolas Geoffray", "email": "ngeoffray@google.com", "time": "Wed Jul 02 15:08:17 2014 +0100" }, "committer": { "name": "Nicolas Geoffray", "email": "ngeoffray@google.com", "time": "Mon Jul 21 12:47:27 2014 +0100" }, "message": "Add a new stack map scheme that encodes compilation info per pc.\n\nEncodes stack mask, register mask, dex register values, and inlining\ninfo. The encoding is currently very straightforward: there is no\nclever encoding, nor compression.\n\nChange-Id: I5fd9ae28189a5513cd9e3c8d52c648463207643d\n" } ] }