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* Optimize the absl::GetFlag cost for most non built-in flag types (including ↵Gravatar Gennadiy Rozental2024-07-03
| | | | | | | string). PiperOrigin-RevId: 649200175 Change-Id: Ic6741d9fe5e0b1853ed8bb37b585d38b51d15581
* PR #1603: Disable -Wnon-virtual-dtor warning for CommandLineFlag implementationsGravatar Adam Gajda2024-03-13
| | | | | | | | | | | | Imported from GitHub PR https://github.com/abseil/abseil-cpp/pull/1603 Merge e324303b1f2aaee8e4418cffb838f150a2d4f4e7 into d802708117c6ef6b9783efe499b2a2d0d0536c77 Merging this change closes #1603 COPYBARA_INTEGRATE_REVIEW=https://github.com/abseil/abseil-cpp/pull/1603 from adgajda:master e324303b1f2aaee8e4418cffb838f150a2d4f4e7 PiperOrigin-RevId: 615522811 Change-Id: I46a388ac62ffd42ce175dbfa04e414dd498855f8
* Avoid static initializers in case of ABSL_FLAGS_STRIP_NAMES=1Gravatar Gennadiy Rozental2024-02-02
| | | | | PiperOrigin-RevId: 603784442 Change-Id: I3d57e5f438b276c984f5d5416889b19e7ddb501a
* Remove workaround for older versions MSVC that did not supportGravatar Derek Mauro2024-01-02
| | | | | | | | constexpr Flag construction. These versions of MSVC are no longer supported. PiperOrigin-RevId: 595195773 Change-Id: Iaf2f01a2255fb24f3aadc26f09600543fffa9da5
* Include what you spellGravatar Dmitri Gribenko2023-08-11
| | | | | PiperOrigin-RevId: 555894810 Change-Id: I349c94e7c6e7ba1dbd817aa8e4340c1dada84654
* Update XML output to properly print special characters. Non printable ↵Gravatar Gennadiy Rozental2023-06-07
| | | | | | | characters are skipped in output. All the "whitespace-like" (including \t, \r, \n) characters printed as plain space ' '. PiperOrigin-RevId: 538479923 Change-Id: I62dff39bb21f376d00a7b9480f8f1d31d7015e45
* Fix spelling mistakesGravatar Vertexwahn2023-05-02
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* Fix spelling mistakesGravatar Vertexwahn2023-04-27
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* Fix some spelling mistakesGravatar Vertexwahn2023-04-24
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* Replace absl::type_traits_internal::is_trivially_copyable withGravatar Derek Mauro2023-04-12
| | | | | | | std::is_trivially_copyable PiperOrigin-RevId: 523724345 Change-Id: Id68c79c3bbb253d892bdef4659ac8a926e023d12
* Use stdout for help output even in case of errors.Gravatar Gennadiy Rozental2023-04-06
| | | | | PiperOrigin-RevId: 522393331 Change-Id: Ia5f4ad6a2d16c033ea97f3c7e27e8eb7ee429242
* Change ParseAbseilFlagsOnly function to include handling of usage flags and ↵Gravatar Gennadiy Rozental2023-03-21
| | | | | | | exit on syntax errors. PiperOrigin-RevId: 518198160 Change-Id: Ib4fe53e0b0b371472b6b9473aeb84779953b6a38
* Finally delete ArgListAction after cleanup is completed.Gravatar Gennadiy Rozental2023-03-01
| | | | | PiperOrigin-RevId: 513379475 Change-Id: I0d7af3a0d2bf4da6eec66a5320ecc402d2e8fec8
* Eliminate internal ArgvListAction enum.Gravatar Gennadiy Rozental2023-02-27
| | | | | PiperOrigin-RevId: 512697257 Change-Id: I828ac7a4ada482d60beba767ef9da6e2c0077c33
* Merge pull request #1394 from AtariDreams:constructorsGravatar Copybara-Service2023-02-21
|\ | | | | | | | | PiperOrigin-RevId: 511271203 Change-Id: I1ed352e06265b705b62d401a50b4699d01f7f1d7
| * Convert empty constructors to default onesGravatar Rose2023-02-17
| | | | | | | | These make the changed constructors match closer to the other ones that are default.
* | Prefer emplace back over push_back where emplace_back is more appropriateGravatar Rose2023-02-16
|/ | | | This also helps a lot with dealing with conversions and data structure creation under the hood.
* Suggest similar flags in case of undefined flags.Gravatar Abseil Team2023-01-04
| | | | | | | Using Damerau-Levenshtein distance to calculate potential candidates to suggest. PiperOrigin-RevId: 499449034 Change-Id: I805aafefcd0f4f85585ac33a041c15360619c96a
* Fix a few lint findings in flags' usage.ccGravatar Michael Diamond2022-11-06
| | | | | PiperOrigin-RevId: 486480813 Change-Id: I05292dd0550dfb4130bbe47eafa96ff5b58c040b
* Fix "unsafe narrowing" warnings in absl, 8/n.Gravatar Abseil Team2022-09-12
| | | | | | | | | | | | | | | Addresses failures with the following, in some files: -Wshorten-64-to-32 -Wimplicit-int-conversion -Wsign-compare -Wsign-conversion -Wtautological-unsigned-zero-compare (This specific CL focuses on .cc files in */internal/.) Bug: chromium:1292951 PiperOrigin-RevId: 473868797 Change-Id: Ibe0b76e33f9e001d59862beaac54fb47bacd39b2
* Rollback of fix "unsafe narrowing" warnings in absl, 8/n.Gravatar Derek Mauro2022-09-01
| | | | | | | | | | | | | | | Addresses failures with the following, in some files: -Wshorten-64-to-32 -Wimplicit-int-conversion -Wsign-compare -Wsign-conversion -Wtautological-unsigned-zero-compare (This specific CL focuses on .cc files in */internal/.) Bug: chromium:1292951 PiperOrigin-RevId: 471561809 Change-Id: I7abd6d83706f5ca135f1ce3458192a498a6280b9
* Fix "unsafe narrowing" warnings in absl, 8/n.Gravatar Abseil Team2022-09-01
| | | | | | | | | | | | | | | Addresses failures with the following, in some files: -Wshorten-64-to-32 -Wimplicit-int-conversion -Wsign-compare -Wsign-conversion -Wtautological-unsigned-zero-compare (This specific CL focuses on .cc files in */internal/.) Bug: chromium:1292951 PiperOrigin-RevId: 471549854 Change-Id: Id685d0e4666212926f4e001b8ef4930b6a33a4cc
* Update GoogleTest version used by AbseilGravatar Derek Mauro2022-06-16
| | | | | | | | | | | | As part of this update, GoogleTest is now using the Abseil flags implementation, and the flags usage_test needs to be modified to pass. If building with bazel and --define=absl=1 to force GoogleTest to use Abseil, a WORKSPACE dependency on the abseil branch of the RE2 project is now required. PiperOrigin-RevId: 455512245 Change-Id: I2025df0c86006fac97a80713524c9d0aae8b358e
* Revert GoogleTest version used by Abseil to commit ↵Gravatar Dino Radakovic2022-06-16
| | | | | | | | | 28e1da21d8d677bc98f12ccc7fc159ff19e8e817 Using GoogleTest at 0320f517fd920866d918e564105d68fd4362040a breaks Windows DLLs. PiperOrigin-RevId: 455452411 Change-Id: Iff89a01351c01487786a22701efedf25860fadf9
* Update GoogleTest version used by AbseilGravatar Derek Mauro2022-06-15
| | | | | | | | | | | | As part of this update, GoogleTest is now using the Abseil flags implementation, and the flags usage_test needs to be modified to pass. If building with bazel and --define=absl=1 to force GoogleTest to use Abseil, a WORKSPACE dependency on the abseil branch of the RE2 project is now required. PiperOrigin-RevId: 455257879 Change-Id: Id1548ce7d6a95b747b72a4f255d31ced98e36006
* Export of internal Abseil changesGravatar Abseil Team2022-04-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -- f4c7e510922668c68be4aa79a00867c3d3ca9f95 by Derek Mauro <dmauro@google.com>: Many improvements to LeakChecker builds The presence of the LeakChecker is now detected when possible. GCC users using LeakChecker in standalone mode still need to use -DLEAK_CHECKER. This is now documented in the header. The hacky targets used for testing leak checking have been removed in favor of testing in AddressSanitizer mode on Kokoro. Fixes #885 Fixes #1153 PiperOrigin-RevId: 441203393 Change-Id: Ibe64ef6b104bcaf31839ff7184e558cc86abdd1c -- 5c70a23aa83b8152ab95d2cf21662fc63c80ef7d by Abseil Team <absl-team@google.com>: Add a benchmark for stacktrace PiperOrigin-RevId: 441196473 Change-Id: I4c9aa2e797aa2cae09abfaaee3abe5c09eb62fc4 -- 50b406052273b9d5bad04a7860a96e4d5d956c02 by Abseil Team <absl-team@google.com>: Internal change. PiperOrigin-RevId: 441114481 Change-Id: I667af7a50d5631ca91289dd24c91ba90233e0184 -- 568b4eaac120b420bce5290179d407d2b57d5bae by Dino Radakovic <dinor@google.com>: Internal change PiperOrigin-RevId: 440894155 Change-Id: Ia587ffc65a8321126585fb363b7c0ca8cc2a0da2 -- d53948eace4f3a10ac5a6c1496dc51b81adc412c by Abseil Team <absl-team@google.com>: Explicitly give internal linkage to symbols which are not used outside of their translation units. PiperOrigin-RevId: 440424519 Change-Id: I531c5e229d443375483b7550a34f48042589a99b GitOrigin-RevId: f4c7e510922668c68be4aa79a00867c3d3ca9f95
* Export of internal Abseil changesGravatar Abseil Team2022-01-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -- 389189dbb322df0d0468ab13edf7dc185dc63833 by Abseil Team <absl-team@google.com>: absl str_format.h can compile with -Wconversion and -Wsign-compare PiperOrigin-RevId: 420799960 -- 762e5adc429fc143756c42fe92fe8073c87c075f by Abseil Team <absl-team@google.com>: GetStackTraceWithContext: Fix min_dropped_frames when no frames are recorded Previously, if there were still frames to skip, they would be included in min_dropped_frames. PiperOrigin-RevId: 420766341 -- 7d4374b8eaa410f4f98ec03d6a8997dccadfb271 by Abseil Team <absl-team@google.com>: absl::flags compiles with -Wconversion and -Wsign-compare PiperOrigin-RevId: 420476807 -- 5f00f7805419d725fa1ff57b388e4c0750d1d6b0 by Derek Mauro <dmauro@google.com>: Internal change PiperOrigin-RevId: 420282152 -- bd5471fc34956acf3888bf90287b2aee4415c96d by Derek Mauro <dmauro@google.com>: Internal change PiperOrigin-RevId: 420282033 -- 61c78020804e4290e9b2fe151aeaf99b198716ee by Derek Mauro <dmauro@google.com>: Internal change PiperOrigin-RevId: 420281867 -- dbe3aad24b65ea11664401a307ea3d2f28e8a7b9 by Derek Mauro <dmauro@google.com>: Remove the incorrect test for the availability of [[nodiscard]] It should have been ABSL_HAVE_CPP_ATTRIBUTE(nodiscard) instead of ABSL_HAVE_ATTRIBUTE(nodiscard). As a result, some code is not compliant with [[nodiscard]], so we cannot simply correct the availability test. Recommend that C++17-only code use the standard [[nodiscard] directly. PiperOrigin-RevId: 420150702 GitOrigin-RevId: 389189dbb322df0d0468ab13edf7dc185dc63833 Change-Id: Idf6ebae3c4edd945c9032c7db3d0ab32d16e8078
* Export of internal Abseil changesGravatar Abseil Team2022-01-04
| | | | | | | | | | | | | | | | | | | | | | | -- 620668e56950d7cfc39db2cd321adf265199ad77 by Abseil Team <absl-team@google.com>: absl::random compiles (at least for some cases) with -Wconversion -Wsign-compare PiperOrigin-RevId: 419595521 -- 746651e5fbcab6080d25c4eef8617fc289a448f6 by Abseil Team <absl-team@google.com>: Annotate FlagImpl storage buffer Flag type can contain legit uninitialized bits, e.g. padding. When the code calls bit_cast as int64_t, it will contain those bits as well. Then when we pass the int into the store it's UB for C++ and will be reported by the new msan. PiperOrigin-RevId: 418666492 GitOrigin-RevId: 620668e56950d7cfc39db2cd321adf265199ad77 Change-Id: Idd1190f5c98a0a13c4019f3d92cec0313822084c
* Export of internal Abseil changesGravatar Abseil Team2021-12-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -- e2a571b818faaec4185426a8cf71fd2970674423 by Matt Kulukundis <kfm@google.com>: Fix missed use of old RTTI macro PiperOrigin-RevId: 413239579 -- e3c15a3fe0a4e44d6e08d69ad912b2245a403bd6 by Derek Mauro <dmauro@google.com>: Makes erase_if return the number of erased elements for compatibility with C++20 https://en.cppreference.com/w/cpp/container/unordered_map/erase_if This may technically be an API break, but no actual breaks were found in Google code. Fixes to open source code should be trivial. Closes #1065 PiperOrigin-RevId: 413204392 -- c1fb1ddbc2def3f3d177e5b80b9934bdbb7b16fc by Matt Kulukundis <kfm@google.com>: Consolidate to a single HAS_RTTI macro PiperOrigin-RevId: 413169336 GitOrigin-RevId: e2a571b818faaec4185426a8cf71fd2970674423 Change-Id: I74b78ebd5fc172e3f5fcbd13a58cf53f7b250ae9
* Export of internal Abseil changesGravatar Abseil Team2021-09-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -- 506fa3e10b3d8399ad937c32ecea26d1ad4e62bb by Abseil Team <absl-team@google.com>: Disable ABSL_HAVE_STD_IS_TRIVIALLY_ASSIGNABLE when GCC < 8.2.0 is used with libc++ PiperOrigin-RevId: 399707056 -- 656b7c7cee87f46a4bc7953618796f82da08e62c by Derek Mauro <dmauro@google.com>: Remove the MSVC flag implementation from flag.h to help clarify that methods on absl::Flag<T> are not part of the public API PiperOrigin-RevId: 399584678 -- a92a9bc156303bc663b84c4b704891ec8f67e333 by Abseil Team <absl-team@google.com>: Get rid of MemcpyIfAllowed while continuing to suppress erroneous warnings PiperOrigin-RevId: 399468864 -- 5f9a66895f707ba001fb51b88c0c6025f8c872a3 by Abseil Team <absl-team@google.com>: Use feature testing to check for availability of invoke_result. Feature testing should be available by C++20, which removes invoke_result. https://en.cppreference.com/w/cpp/feature_test PiperOrigin-RevId: 399447373 -- 946c0a502b4499dbfcabf1ab93ddde0048288fb4 by CJ Johnson <johnsoncj@google.com>: Add rvalue-reference qualifier to the Commit method on ConstructionTransaction PiperOrigin-RevId: 399442206 -- 726a4d036eff49aeb6fd0ca2b1775699b6844395 by Greg Falcon <gfalcon@google.com>: Internal change PiperOrigin-RevId: 399441870 -- 1df6d3f659b88dbac13c3d8e13db23bb3844ece2 by Abseil Team <absl-team@google.com>: Clang-format whitespace changes PiperOrigin-RevId: 399281271 -- 4a828cde95a07421d699ebac775b37810624214f by Derek Mauro <dmauro@google.com>: Internal change PiperOrigin-RevId: 399234071 -- e520c72b34ba2f98668c889139001f8276243d31 by Greg Falcon <gfalcon@google.com>: Import of CCTZ from GitHub. PiperOrigin-RevId: 399233662 GitOrigin-RevId: 506fa3e10b3d8399ad937c32ecea26d1ad4e62bb Change-Id: I92b9176d2387c08eb167f9268efa78b55b8e09c2
* Export of internal Abseil changesGravatar Abseil Team2021-09-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -- 336f161ad8cb2cc3e1a6bbcbbb8c5b692ee59789 by Derek Mauro <dmauro@google.com>: Internal change PiperOrigin-RevId: 398308807 -- 80d512823d17561a45feca81f37713a91a175349 by Abseil Team <absl-team@google.com>: Internal change. PiperOrigin-RevId: 398257218 -- f1f9792000355eb1d0c11b17800048491662a218 by Abseil Team <absl-team@google.com>: Fix documentation for btree_multi{map,set}::merge to match behavior for elements with equivalent keys. PiperOrigin-RevId: 398071060 -- 8a9a302aebf2419e83f0c7dc5a63c33d26b807a3 by James Y Knight <jyknight@google.com>: Silence -Wunused-value warning newly emitted by ToT Clang. The value is being intentionally ignored, as the purpose of the call is only to eliminate this overload via SFINAE when `GenT{}` is not constant evaluable. PiperOrigin-RevId: 397861294 GitOrigin-RevId: 336f161ad8cb2cc3e1a6bbcbbb8c5b692ee59789 Change-Id: I946e1d22619f92ce6a424c8c13a20a50b39ed463
* Export of internal Abseil changesGravatar Abseil Team2021-08-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -- 04cb3b22497190170aa5b774e98080c5de2ba60b by Abseil Team <absl-team@google.com>: Alternative bit mixer for LowLevelHash on ARM LowLevelHash's bit-mixer is inefficient on ARM because it calculates a 128-bit product of two 64-bit numbers. On ARM, this requires a sequence of two instructions with a high combined latency and poor throughput. This change provides alternative bit-mixing code for ARM that uses only 64-bit arithmetic (multiplication, xor, and left-shifts) and speeds things up considerably. The bit-mixing code for ARM was inspired by by Woothash[1] and xxh3[1]. Once I landed on a sequence of operations that provided good mixing, I used a test harness to search for the combination of shift / rotate factors that provided the best mixing, as indicated by SMHasher hash quality tests. The new mixing code passes 13 out of 15 of the hash quality test suites in SMHasher, with the two failures being in the noise range: e.g. 1 collision vs. zero expected in a keyset of ~8m keys. [1]: https://github.com/tommyettinger/waterhash/blob/49f5cf0b63b9/woothash.h#L16-L20 [2]: https://github.com/Cyan4973/xxHash/blob/6853ddc36e46/xxhash.h#L3240-L3265 PiperOrigin-RevId: 391833008 -- 17a4de1f9d623155c75b19285d414cd55a487cd6 by Saleem Abdulrasool <abdulras@google.com>: debugging: add support for unwinding on RISCV Linux This adds partial support for unwinding the RISCV call stack. It is largely duplicated from the AArch64 support with alterations for the ELF RISCV psABI. This covers RISCV64 and RISCV32, though not the ILP32E calling convention. PiperOrigin-RevId: 391818522 -- 32c93e449327b2cea32b32f6365e84b420fe1ed3 by Gennadiy Rozental <rogeeff@google.com>: New storage for types smaller than 8 bytes. Also adding new read interface for types smaller than or rqual to 8 bytes to avoid passing the pointer. PiperOrigin-RevId: 391726822 -- e987ac08a7787801cbfc7d7c96649e97fa8cff1a by Abseil Team <absl-team@google.com>: Extern template `find_first_non_full` to reduce linkage size for TU with single not inlined function. PiperOrigin-RevId: 391718862 -- 73af9bfcb5bf045089133e18bbd20eb5bb699172 by Gennadiy Rozental <rogeeff@google.com>: Make most non-mutable most int128 methods and friend free functions constexpr. Some functions are implemented offline (at least in some configurations) and can't be made constexpr. Mutable methods can't be made constexpr until we drop c++11 support. Fixes #978 PiperOrigin-RevId: 391706535 GitOrigin-RevId: 04cb3b22497190170aa5b774e98080c5de2ba60b Change-Id: If051fad5ff004e2e82fa53618fc04a6fe3d2d4be
* Export of internal Abseil changesGravatar Abseil Team2021-08-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -- 228b5878d7a994656f383666cfaee34e33e0b09b by Abseil Team <absl-team@google.com>: Add element_type typedef to match std::span<T> PiperOrigin-RevId: 390186160 -- c91d96c88c60be793c525158f76dfcaa5e32d161 by Abseil Team <absl-team@google.com>: Rollback change to only hide retired flags if human-readable output is requested PiperOrigin-RevId: 390183146 -- 170192c10ef8d513de80f29298ce93eeccc3712c by Abseil Team <absl-team@google.com>: Move alignas(16) before ABSL_CONST_INIT and ABSL_DLL. PiperOrigin-RevId: 390182845 -- 77a5ee5081c81cef625fac7bbcf993cc028b32ed by Evan Brown <ezb@google.com>: Use simple SlotOffset and AllocSize logic instead of container_internal::Layout in order to save linker input size for non-opt and sanitizer builds. In opt mode, all of this logic is inlined so we don't save linker input size in opt mode. PiperOrigin-RevId: 389914594 GitOrigin-RevId: 228b5878d7a994656f383666cfaee34e33e0b09b Change-Id: I3b904068687574931d8390071b322c0c3c083283
* Export of internal Abseil changesGravatar Abseil Team2021-08-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -- 77cd6291781bc39e8472c706163d6951fe2ae573 by Derek Mauro <dmauro@google.com>: absl::uint128: Use intrinsics for more operations when available This change also inlines the division and modulus operators when intrinsics are available for better code generation. Fixes #987 PiperOrigin-RevId: 389895706 -- fa23339584599e07ebcb4d0a857e2553b017757c by Abseil Team <absl-team@google.com>: only hide retired flags if human-readable output is requested PiperOrigin-RevId: 389835452 -- f1111f2b88359d4b253d4d81681c8a488458a36e by Martijn Vels <mvels@google.com>: Add helpers IsFlat(), IsExternal(), etc to improve readability PiperOrigin-RevId: 389779333 -- 785b8712261e41695ebeeb64b4317f93b37adc11 by Martijn Vels <mvels@google.com>: Split off 'concat' and 'btree' RepMemoryUsageLeaf and RepMemoryUsageDataEdge PiperOrigin-RevId: 389701120 -- 5264bffebffc2b377bf7e18f0ce69a3ed38c6629 by CJ Johnson <johnsoncj@google.com>: Eagerly destroy `Callback` in `absl::Cleanup` PiperOrigin-RevId: 389678813 -- a05312f0668458e97c50ca932c8f974c1508ebf2 by Abseil Team <absl-team@google.com>: Have one instance of empty_group per program, rather than one per translation unit. https://stackoverflow.com/questions/185624/static-variables-in-an-inlined-function PiperOrigin-RevId: 389185845 GitOrigin-RevId: 77cd6291781bc39e8472c706163d6951fe2ae573 Change-Id: Iac8d9cb27707a9562c831c77a552d1fb4bb0405f
* Export of internal Abseil changesGravatar Abseil Team2021-08-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -- 93c607726d663800b4bfa472cba043fd3f5d0e97 by Derek Mauro <dmauro@google.com>: Internal change PiperOrigin-RevId: 389158822 -- 55b3bb50bbc168567c6ba25d07df2c2c39e864af by Martijn Vels <mvels@google.com>: Change CordRepRing alternative implementation to CordRepBtree alternative. This changes makes CordRepBtree (BTREE) the alternative to CordRepConcat (CONCAT) trees, enabled through the internal / experimental 'cord_btree_enabled' latch. PiperOrigin-RevId: 389030571 -- d6fc346143606c096bca8eb5029e4c429ac6e305 by Todd Lipcon <tlipcon@google.com>: Fix a small typo in SequenceLock doc comment PiperOrigin-RevId: 388972936 -- e46f9245dce8b4150e3ca2664e0cf42b75f90a83 by Martijn Vels <mvels@google.com>: Add 'shallow' validation mode to CordRepBtree which will be the default for internal assertions. PiperOrigin-RevId: 388753606 -- b5e74f163b490beb006f848ace67bb650433fe13 by Martijn Vels <mvels@google.com>: Add btree statistics to CordzInfo, and reduce rounding errors PiperOrigin-RevId: 388715878 -- 105bcbf80de649937e693b29b18220f9e6841a51 by Evan Brown <ezb@google.com>: Skip length checking when constructing absl::string_view from `const char*`. The length check causes unnecessary code bloat. PiperOrigin-RevId: 388271741 -- bed595158f24839efe49c65ae483f797d79fe0ae by Derek Mauro <dmauro@google.com>: Internal change PiperOrigin-RevId: 387713428 GitOrigin-RevId: 93c607726d663800b4bfa472cba043fd3f5d0e97 Change-Id: I2a4840f5ffcd7f70b7d7d45cce66f23c42cf565f
* Export of internal Abseil changesGravatar Abseil Team2021-06-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -- b1fc72630aaa81c8395c3b22ba267d938fe29a2e by Derek Mauro <dmauro@google.com>: Fix -Wdeprecated-copy warnings from Clang 13. Example: error: definition of implicit copy assignment operator for 'UDT' is deprecated because it has a user-declared copy constructor [-Werror,-Wdeprecated-copy] PiperOrigin-RevId: 380058303 -- 0422744812b1a2010d9eea5b17fbe89f3441b66b by Evan Brown <ezb@google.com>: Change the "full table!" asserts in raw_hash_set to use `<= capacity` instead of `< capacity`. If we add support for non-power-of-two-minus-one capacities, this is the correct thing to assert. For example, consider: Group::kWidth = 8, capacity_ = 8, ctrl_ = {kEmpty, 1, 2, 3, 4, 5, 6, 7, kSentinel, kEmpty, 1, 2, 3, 4, 5, 6}. In this case, if we do an unsuccessful lookup with H2 mapping to slot 1, then the first Group will contain {1, 2, 3, 4, 5, 6, 7, kSentinel} so we need to continue to the second Group (at which point seq.index() == 8 == capacity_) to find a kEmpty. Note: this is a no-op change for now since we never have `capacity % Group::kWidth == 0`. PiperOrigin-RevId: 380033480 -- 40628c34d540356de65fabb16c1439c0ec7a0764 by Abseil Team <absl-team@google.com>: Drop out-of-date documentation about `absl::FixedArray`'s allocator support PiperOrigin-RevId: 379811653 -- e7ad047863ae55c9b7aec0753cfc527a4ea614bc by Evan Brown <ezb@google.com>: Fix a bug in ConvertDeletedToEmptyAndFullToDeleted in which we were copying 1 more cloned control byte than actually exists. When alignof(slot_type)>1, this wouldn't cause a problem because the extra byte is padding. Also change loop bounds to not rely on the fact that capacity_+1 is a multiple of Group::kWidth. PiperOrigin-RevId: 379311830 -- 1a3ba500fb2c33205854eb9258cd6e0fb1061bca by Martijn Vels <mvels@google.com>: Change Ring, EXTERNAL and FLAT tag values to be consecutive values The purpose of this change is to have FLAT = EXTERNAL + 1. Especially in the ring and btree alternative code, there is a common check if a node is a 'plain' edge (EXTERNAL or FLAT), or 'something else'. This change can make that check a single branch, i.e., instead of 'tag == EXTERNAL || tag >= FLAT', we can simply check for 'tag >= EXTERNAL'. Likewise we have some cases where we check for RING, EXTERNAL or FLAT, so we align RING + 1 with EXTERNAL. PiperOrigin-RevId: 379291576 -- 0c78e65ca4d85244b106c3f8e24cf268e09e72a3 by Benjamin Barenblat <bbaren@google.com>: Round a double multiplication before casting it to integer The code static_cast<int>(x * y) (for double x and y) performs a double multiplication into a temporary that, by standard, may have excess precision. The subsequent cast to int discards the excess precision. However, the cast may examine the excess precision during conversion, producing surprising results like static_cast<int>(1.7 * 10) == 16 on certain systems. Correct this case by explicitly rounding 1.7 * 10 before casting it. PiperOrigin-RevId: 378922064 GitOrigin-RevId: b1fc72630aaa81c8395c3b22ba267d938fe29a2e Change-Id: Ica708a006921118673e78d5fd2d61fe0fb0894d1
* Export of internal Abseil changesGravatar Abseil Team2021-06-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | -- b2a781121ff72fb485b7e67539d5e4ff1eb66df2 by Gennadiy Rozental <rogeeff@google.com>: Consistently use absl::flat_hash_map instead of std::map in Flags implementation. PiperOrigin-RevId: 377132816 -- 9ab83a154d8f22d51fed0092bf94245b5af1f498 by Derek Mauro <dmauro@google.com>: Workaround for MSAN being unable to see through getentropy(). https://github.com/google/sanitizers/issues/1173 PiperOrigin-RevId: 377097059 -- 8d28e921442d1b246c26f3200f21027557c47657 by Greg Falcon <gfalcon@google.com>: Disable stack_consumption_test in tsan builds. A recent tsan change broke the way this test-only utility was counting stack usage. PiperOrigin-RevId: 377053169 GitOrigin-RevId: b2a781121ff72fb485b7e67539d5e4ff1eb66df2 Change-Id: Ib56356f8128f6c083f32b950091f3a56d9e2cd51
* Export of internal Abseil changesGravatar Abseil Team2021-02-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -- 2247e59ee5696e61c7cb24dce479db572980032d by Derek Mauro <dmauro@google.com>: Ensure ThreadIdentity::WaiterState data has the correct alignment PiperOrigin-RevId: 357969866 -- 79bb81a2e6723b186536ad4b4f25cd7ee83f3e72 by Laramie Leavitt <lar@google.com>: Rework absl::MockingBitGen internal mock registry. Use a virtual base class with template-specialized derived classes to implement match method rather than taking the address of a function specialization and using casts everywhere. This combines several of the previously type-erased pointers into a single object, eliminates the separate cleanup container previously used, and eliminates some gratuitous static_cast<>s. PiperOrigin-RevId: 357827438 -- a2eb53d002c9b376360a70b2b0f6a18a1de1e16f by Todd Lipcon <tlipcon@google.com>: Reduce runtime of sequence_lock_test PiperOrigin-RevId: 357785571 -- dd1175ff13b560f01c4aaa64bc6759a5300e391c by Abseil Team <absl-team@google.com>: Don't assume that compiling for Windows means that MSVC or clang-cl is being used. PiperOrigin-RevId: 357760052 -- 251a9cbede52e729b3a25911b6e225b779c285a8 by Andy Getzendanner <durandal@google.com>: Internal change. PiperOrigin-RevId: 357702979 GitOrigin-RevId: 2247e59ee5696e61c7cb24dce479db572980032d Change-Id: Icd366d3775d88d623695209b5f328dbd69f01d27
* Export of internal Abseil changesGravatar Abseil Team2021-01-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -- 1609589925459c2c0b2a17912c0d65227f709db9 by Abseil Team <absl-team@google.com>: Clarify the "Potential Mutex deadlock" reason message. PiperOrigin-RevId: 351367862 -- 88bf28863db2c2d2d48767c3e4dfab6a48bdff79 by Abseil Team <absl-team@google.com>: Print CPU number is fault handler. This CL adds code to print CPU number inside the fault handler. This is only supported on Linux. The CPU number is also a hint only. There is no guarantee that it is indeed the CPU on which a fault happened. PiperOrigin-RevId: 351238373 -- 66a9c8e44b5744fec1ca0d7b8db7e1d50772d9a2 by Samuel Benzaquen <sbenza@google.com>: Add better error message for ODR violations of flags. PiperOrigin-RevId: 351197423 -- 6efd1efb341563148dd43255aaa4bf959dfd9554 by Chris Kennelly <ckennelly@google.com>: Assume bitwise builtins are available on GCC. These are long-standing builtins but are not consistently detected by ABSL_HAVE_BUILTIN. PiperOrigin-RevId: 350814036 GitOrigin-RevId: 1609589925459c2c0b2a17912c0d65227f709db9 Change-Id: Ied3fd2f135187f2c316b403fba45f3bbaea54138
* Export of internal Abseil changesGravatar Abseil Team2021-01-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -- b927776da818c674a674e46a7bbbdd54170a0ad3 by Todd Lipcon <tlipcon@google.com>: Include priority in the calculation of mutex waiter equivalence This changes the behavior of the absl::Mutex wait list to take into account waiter priority when creating "skip chains". A skip chain on the wait list is a set of adjacent waiters that share some property and enable skipping during traversal. Prior to this CL, the skip chains were formed of waiters with the same wait type (e.g. exclusive vs read) and Condition. With this CL, the priority is also taken into account. This avoids O(n) behavior when enqueueing a waiter onto a wait list where the oldest waiter is at a lower priority than the waiter to be enqueued. With the prior notion of equivalence class, a skip chain could contain waiters of different priority, so we had to walk the linked list one-by-one until finding the appropriate insertion point. With the new equivalence class computation, we can skip past all of the equivalent waiters to find the right insertion point. This gives a substantial improvement to the enqueue performance in the case where there's already a waiter at lower priority. Note that even though this code path isn't a hot one, it's performed while holding the Mutex's spinlock, which prevents other threads from unlocking the Mutex, so minimizing the time under the critical section can have "knock-on" throughput benefits. Notable performance differences: name old cpu/op new cpu/op delta BM_MutexEnqueue/multiple_priorities:0/threads:4 8.60µs ± 7% 8.69µs ± 6% ~ (p=0.365 n=19+20) BM_MutexEnqueue/multiple_priorities:0/threads:64 8.47µs ± 5% 8.64µs ±10% ~ (p=0.569 n=19+20) BM_MutexEnqueue/multiple_priorities:0/threads:128 8.56µs ± 3% 8.55µs ± 6% ~ (p=0.563 n=17+17) BM_MutexEnqueue/multiple_priorities:0/threads:512 8.98µs ± 8% 8.86µs ± 4% ~ (p=0.232 n=19+17) BM_MutexEnqueue/multiple_priorities:1/threads:4 6.64µs ±10% 6.45µs ± 4% ~ (p=0.097 n=20+17) BM_MutexEnqueue/multiple_priorities:1/threads:64 15.2µs ± 8% 9.1µs ± 4% -39.93% (p=0.000 n=20+17) BM_MutexEnqueue/multiple_priorities:1/threads:128 22.3µs ± 6% 9.4µs ± 4% -57.82% (p=0.000 n=20+17) BM_MutexEnqueue/multiple_priorities:1/threads:512 61.5µs ± 3% 10.1µs ± 8% -83.53% (p=0.000 n=20+20) name old time/op new time/op delta BM_Mutex/real_time/threads:1 19.6ns ± 4% 19.8ns ±11% ~ (p=0.534 n=17+17) BM_Mutex/real_time/threads:112 120ns ±17% 122ns ±14% ~ (p=0.988 n=20+18) BM_MutexEnqueue/multiple_priorities:0/threads:4 5.18µs ± 6% 5.23µs ± 6% ~ (p=0.428 n=19+20) BM_MutexEnqueue/multiple_priorities:0/threads:64 5.06µs ± 5% 5.18µs ±10% ~ (p=0.235 n=19+20) BM_MutexEnqueue/multiple_priorities:0/threads:128 5.16µs ± 3% 5.14µs ± 6% ~ (p=0.474 n=17+17) BM_MutexEnqueue/multiple_priorities:0/threads:512 5.40µs ± 8% 5.32µs ± 5% ~ (p=0.196 n=20+18) BM_MutexEnqueue/multiple_priorities:1/threads:4 3.99µs ±10% 3.88µs ± 3% ~ (p=0.074 n=20+17) BM_MutexEnqueue/multiple_priorities:1/threads:64 8.48µs ± 9% 5.41µs ± 3% -36.20% (p=0.000 n=20+16) BM_MutexEnqueue/multiple_priorities:1/threads:128 12.2µs ± 6% 5.6µs ± 4% -54.43% (p=0.000 n=20+17) BM_MutexEnqueue/multiple_priorities:1/threads:512 32.1µs ± 3% 5.9µs ± 8% -81.45% (p=0.000 n=20+20) ... BM_Contended<absl::Mutex>/cs_ns:2000/num_prios:2/real_time/threads:32 1.69µs ± 4% 1.66µs ± 2% -1.91% (p=0.000 n=20+20) BM_Contended<absl::Mutex>/cs_ns:2000/num_prios:2/real_time/threads:48 1.90µs ± 2% 1.82µs ± 2% -4.09% (p=0.000 n=20+19) BM_Contended<absl::Mutex>/cs_ns:2000/num_prios:2/real_time/threads:64 2.19µs ± 2% 1.80µs ± 1% -17.89% (p=0.000 n=20+20) BM_Contended<absl::Mutex>/cs_ns:2000/num_prios:2/real_time/threads:96 2.18µs ± 5% 1.81µs ± 1% -16.94% (p=0.000 n=17+19) BM_Contended<absl::Mutex>/cs_ns:2000/num_prios:2/real_time/threads:128 2.18µs ± 1% 1.91µs ± 2% -12.33% (p=0.000 n=19+20) BM_Contended<absl::Mutex>/cs_ns:2000/num_prios:2/real_time/threads:192 2.27µs ± 2% 1.89µs ± 1% -16.79% (p=0.000 n=20+19) BM_Contended<absl::Mutex>/cs_ns:2000/num_prios:2/real_time/threads:256 2.36µs ± 2% 1.83µs ± 1% -22.25% (p=0.000 n=20+19) PiperOrigin-RevId: 350775432 -- e7812590e5dbd75d21e2e8762713bd04c0353ef6 by Todd Lipcon <tlipcon@google.com>: Fix test timeouts for sequence_lock_test on TSAN PiperOrigin-RevId: 350680903 -- 3090d8154d875f3eabce48876321ae8d6a197302 by Todd Lipcon <tlipcon@google.com>: Add benchmarks for Mutex performance with multiple priorities This adds a new benchmark to mutex_benchmark which forces threads to go through the slow "Enqueue" path. The benchmark runs with varying numbers of threads and with/without the presence of a lower-priority waiter. PiperOrigin-RevId: 350655403 GitOrigin-RevId: b927776da818c674a674e46a7bbbdd54170a0ad3 Change-Id: If739e5e205f0d3867661a52466b8f64e7e033b22
* Export of internal Abseil changesGravatar Abseil Team2020-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -- 465461299a9814aca325fee599cefbfe462f12fe by Abseil Team <absl-team@google.com>: Optimize trivially copyable flags with a sequence lock PiperOrigin-RevId: 349602779 -- 73f39f959e21121684a51887243abad0814a335e by Abseil Team <absl-team@google.com>: Internal change PiperOrigin-RevId: 349590869 -- 6b3106fa66b8f075a39a1a8f3265ae132b7e2c84 by Abseil Team <absl-team@google.com>: Remove ABSL_DLL from `log_prefix_hook` and `abort_hook`. PiperOrigin-RevId: 349560499 -- bb0d295e699a509f3284145e025d00036b70dbb2 by Abseil Team <absl-team@google.com>: Tiny docstring fix A small edit to make "use of this is useful" a little less redundant. :) PiperOrigin-RevId: 349445689 GitOrigin-RevId: 465461299a9814aca325fee599cefbfe462f12fe Change-Id: I08cc4091b8b95b68188cb9168ac622dacc5fa688
* Export of internal Abseil changesGravatar Abseil Team2020-12-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -- 6e9f93888bbe6718997ed90bbd049f1f3572b066 by Abseil Team <absl-team@google.com>: Fix status to be safe for self move assignment. PiperOrigin-RevId: 346815392 -- 35cae74a977f258e81dfbe925fb5a34cb6632036 by Gennadiy Rozental <rogeeff@google.com>: Eliminate unnecessary access to the global vars. PiperOrigin-RevId: 346777168 -- e7e786c243069060f5d6c1c945decb4b0b83f95b by Andy Getzendanner <durandal@google.com>: Internal change. PiperOrigin-RevId: 346685656 -- 4ccd41c48f1a83cfa20b3ea534f743dd7d788376 by Abseil Team <absl-team@google.com>: Move CordRep Ref() and Unref() logic into cord_internal.h This change moves Ref() and Unref() logic out of cord.cc into cord_internal. The main purpose is to make upcoming ring buffer changes easier to isolate from existing cord.cc code. Notice that this removes the nullptr check from Unref() and now requires it to be non null (which held true most times). We may need to rethink if the 'unref unlikely one' is the common case: are cordreps most likely shared? This may be something between 'root' and non root nodes, i.e., is it more likely for leaf / flat nodes in large cords to be shared than top level cordreps being shared? Vice versa? Benchmarks say that we mostly shouldn't care, the caveat being that atomic ops seem more expensive on upcoming archs (arcadia) so we should error on the side of an extra IsOne() branch saving us single owned atomic ops. PiperOrigin-RevId: 346676121 -- f0babab103b9e60d61ba09482d468985e43eceb3 by Samuel Benzaquen <sbenza@google.com>: Fix iterator based constructor and `.insert` members to only require EmplaceConstructible as the standard specifies. PiperOrigin-RevId: 346616707 -- 8f48eedda02277f9c96a88ed7726e34b557cce20 by Evan Brown <ezb@google.com>: Fix a bug in binary_search_impl when there's a transparent, three-way comparator that has different equivalence classes for different lookup types. Add a new can_have_multiple_equivalent_keys method to share the common logic for these cases. PiperOrigin-RevId: 346605948 -- 649183cb3cc9383431de9c81fb1c0f885d4001ae by Abseil Team <absl-team@google.com>: Add benchmark for accessing a Duration flag. PiperOrigin-RevId: 346594843 -- fefdb046520871af63ce2229e2f7cccfc0483dea by Abseil Team <absl-team@google.com>: Restructure CordReader for upcoming ring buffer changes. PiperOrigin-RevId: 346410642 -- 8b2f50e7da0ebab06ead5f94e366e984ca23cb6a by Abseil Team <absl-team@google.com>: Wire in an internal-only flag to toggle upcoming ring buffer changes on/off for experimentation. PiperOrigin-RevId: 346199111 GitOrigin-RevId: 6e9f93888bbe6718997ed90bbd049f1f3572b066 Change-Id: I8f34866b25a79209cb5448bbb28dd3044111d2e9
* Export of internal Abseil changesGravatar Abseil Team2020-11-30
| | | | | | | | | | | | | | | | | | -- d85f04af95a6fdafb102f7dc393d78d4431b47e5 by Abseil Team <absl-team@google.com>: Internal change for cord ring PiperOrigin-RevId: 344541196 -- 1ff57908e31a09ec0c98d8316da1263092cc3a1c by Abseil Team <absl-team@google.com>: Fix typo in comment. PiperOrigin-RevId: 344214280 GitOrigin-RevId: d85f04af95a6fdafb102f7dc393d78d4431b47e5 Change-Id: I58b3c28f62a5d10dd665b17d58a121f371e1260a
* Export of internal Abseil changesGravatar Abseil Team2020-11-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -- 03700706d80f0939e2b5b8c02a326f045b643730 by Abseil Team <absl-team@google.com>: Reduced latency and code-size of some InlinedVector methods: 1. Simpler fast path for push_back/emplace_back. 2. Do not inline slow path of push-back/emplace_back. 3. Simplify resize implementation. Performance: A simple benchmark that does the following per iteration: ``` push_back on an InlinedVector<int64> push_back on an InlinedVector<bool> ``` Sees iteration time go from 4.3ns to 2.8ns and code size shrink from 1129 bytes to 175 bytes. PiperOrigin-RevId: 343335635 -- 16f74277a9e8bf228c164b053da8b8098f76de62 by Derek Mauro <dmauro@google.com>: Internal change PiperOrigin-RevId: 343332753 -- 886b6d5d0244783d309e34f03c21710f411e3cb3 by Abseil Team <absl-team@google.com>: Optimize `Status::Status`: When creating a status, we currently create an empty struct first, then assign fields. This is suboptimal: https://screenshot.googleplex.com/5HqDuFBKUEqrVgy. Relevant Benchmarks: ``` BM_StatusCopyError_Deep/threads:1 26.9ns ±13% 21.2ns ±16% -21.46% (p=0.000 n=15+15) BM_StatusCopyError_Deep/threads:2 32.0ns ±30% 25.6ns ±37% -20.17% (p=0.004 n=15+14) BM_StatusCopyError_Deep/threads:4 37.4ns ±84% 30.6ns ±58% -18.26% (p=0.029 n=15+15) BM_StatusCopyError_Deep/threads:8 47.2ns ±33% 33.5ns ±56% -28.91% (p=0.000 n=15+14) ``` PiperOrigin-RevId: 343303312 -- 2f9d945654292e8e52cad410fa41dae794cff42c by Abseil Team <absl-team@google.com>: Set SOVERSION for the installed libraries PiperOrigin-RevId: 343287682 -- 600bbfffe91cfbdc60b43cdad5619258298d0b0d by Abseil Team <absl-team@google.com>: Fix a typo in a comment (than -> that) PiperOrigin-RevId: 343187724 -- 310c82cd97b3f1f0d1ee93a0ee2b0aee828b2a93 by Abseil Team <absl-team@google.com>: Simplify unaligned memory access functions. The #ifdef to produce calls to __sanitizer_unaligned_load16 etc were needed in past versions of this code, when we were lying to the compiler about the alignment of the loads/stores, by using a reinterpret_cast. However, a year ago, absl switched to simply use memcpy. Sanitizers support this correctly by default, nothing extra is required. PiperOrigin-RevId: 343159883 -- bdf6fcf99180c371fda6ba8af82fd44656e372fa by Gennadiy Rozental <rogeeff@google.com>: Migrate usage flags to global variables instead of modeling them as Abseil Flags. Also introduce new semantic for --help=substring command line argument. PiperOrigin-RevId: 343019883 GitOrigin-RevId: 03700706d80f0939e2b5b8c02a326f045b643730 Change-Id: I4ad40dfa9606f8b8bfb2d91fd09e327105311bfb
* Export of internal Abseil changesGravatar Abseil Team2020-10-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -- a5af5874c1c5cc02bd2a748d455321f82b6f2a93 by Andy Getzendanner <durandal@google.com>: fix compile fails with asan and -Wredundant-decls Import of https://github.com/abseil/abseil-cpp/pull/801 PiperOrigin-RevId: 336693223 -- ed9df42ab2b742386c6692c2bed015374c919d9c by Derek Mauro <dmauro@google.com>: Fix integer conversion warning Fixes #814 PiperOrigin-RevId: 336651814 -- 0ab4c23884e72dce17b67c1eb520f9dbb802565d by Derek Mauro <dmauro@google.com>: Internal change PiperOrigin-RevId: 336585378 -- eba0e3dccd52a6e91bcff84075bef0affc650b74 by Matt Kulukundis <kfm@google.com>: Add bitset operations to Futex helper. PiperOrigin-RevId: 336409368 -- 8b0709a8b4500bf5f0af4b602d76a298d81645e8 by Abseil Team <absl-team@google.com>: Fix code indentation in a comment. PiperOrigin-RevId: 336368167 -- bc3961c87a7e7760c10319a5b0349c279f7ae3ad by Samuel Benzaquen <sbenza@google.com>: Improve performance of the registry: - Reduce contention - Reduce memory usage for each flag by `6*sizeof(void*)`. - Replace one immortal allocation per-flag with a single one for all the flags - Slightly improve single-threaded performance by avoiding the std::map indirections. PiperOrigin-RevId: 336365904 -- 264ad9f28f935aad8b6b1437f8bf804fa9104346 by Abseil Team <absl-team@google.com>: Fix typo in comment on absl::Condition. PiperOrigin-RevId: 336311680 -- b5b808a8c75ca0df7b09eff9a423ec171d80f771 by Derek Mauro <dmauro@google.com>: Add missing Apache license headers PiperOrigin-RevId: 336294980 -- 89446c3a4793df8b95060385cf3e219357c3db1d by Andy Soffer <asoffer@google.com>: Internal changes PiperOrigin-RevId: 336287465 -- 57c8be4e294881bc79a6a44b8e4bf7ecbb19b9b9 by Matt Kulukundis <kfm@google.com>: Extract Futex from an implementation detail of Wait to a private interface. PiperOrigin-RevId: 336123209 GitOrigin-RevId: a5af5874c1c5cc02bd2a748d455321f82b6f2a93 Change-Id: Ie5a0ebe28e571814e3e11d4c05ca308523ccf311
* Export of internal Abseil changesGravatar Abseil Team2020-10-07
| | | | | | | | | | | | -- 9b45aa0bd58cd9e8478abffafa792e1e53feed08 by Abseil Team <absl-team@google.com>: Document that command line flag help for a flag will include the default value. Cleaned up the doc for undefok. PiperOrigin-RevId: 335701801 GitOrigin-RevId: 9b45aa0bd58cd9e8478abffafa792e1e53feed08 Change-Id: I435e240bd10bf6a232a95f220cab83c41701ecb6
* Export of internal Abseil changesGravatar Abseil Team2020-10-02
| | | | | | | | | | | | | | | | | | -- ef529b5fc5d72de02c145ae6643af0465090252b by Abseil Team <absl-team@google.com>: Fix typo in comment (foo -> i). PiperOrigin-RevId: 334894645 -- 18aab6f6c71e6abd83d467dbf8868df24100e710 by Abseil Team <absl-team@google.com>: Fix -Wno-sign-compare error PiperOrigin-RevId: 334837327 GitOrigin-RevId: ef529b5fc5d72de02c145ae6643af0465090252b Change-Id: Ieeedf1a4fd458eb38ffbda0ca77a47021b510043
* Export of internal Abseil changesGravatar Abseil Team2020-09-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -- cfb567ed02096320663d882d2c0c2fb7db7af1e4 by Derek Mauro <dmauro@google.com>: Upgrade to GCC 10.2.0, Bazel 3.5.0, and CMake 3.18.2 PiperOrigin-RevId: 330847323 -- 5dcb9ce14d92315163079366a91c43cbd5184ea4 by Evan Brown <ezb@google.com>: Optimize equal_range() by avoiding the call to upper_bound() when possible. We need to support heterogeneous comparators that have different behavior when comparing key_type to non-key_type. See the new test. Also update the comment for `key_compare_to_adapter`. PiperOrigin-RevId: 330794444 -- 744405dbda5513527d74094a5c3b9db1e0927693 by Gennadiy Rozental <rogeeff@google.com>: Introduce trampoline for friend access to avoid friending routines and classes from different namespace. PiperOrigin-RevId: 330773156 -- a195d1226576f8a7bb5671f3e42d1021b827fad9 by Abseil Team <absl-team@google.com>: Fix an incorrect version number test for std::variant availability in tvOs. PiperOrigin-RevId: 330759480 -- 58b02eb9159a577953676d9928cb26b30068b847 by Derek Mauro <dmauro@google.com>: Use c++20 instead of c++2a now that it is supported by GCC PiperOrigin-RevId: 330559797 GitOrigin-RevId: cfb567ed02096320663d882d2c0c2fb7db7af1e4 Change-Id: I0e0d68409c95da42f5609920155ba5694ade8df0
* Export of internal Abseil changesGravatar Abseil Team2020-08-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -- c12db0cff0f0cb0c10731cdf4bf1663e99ecb82e by Samuel Benzaquen <sbenza@google.com>: Fix incompatibility of retired flags and AddressSanitizer. PiperOrigin-RevId: 325028944 -- 20119dce82503c6ac22f3ec479d0eaea6acc7ba0 by Abseil Team <absl-team@google.com>: Internal change PiperOrigin-RevId: 324939694 -- bb1ab1a4e1a551469ad110bdfce3210aeb9bf4b8 by Abseil Team <absl-team@google.com>: Teach Abseil stack consumption utilities about AArch64. PiperOrigin-RevId: 324935395 -- 987043ffc960f38457478b01c04b47dfaf7ae006 by Evan Brown <ezb@google.com>: Cleanup: simplify the slot transfer methods a bit. PiperOrigin-RevId: 324834817 -- ed7081130d3ab93a2c3c916e30fe4367d8e96954 by Abseil Team <absl-team@google.com>: Pass __FILE__ as const char* instead of as array of chars to internal_log_function to allow deterministic symbols for AtomicHook wrapper of the InternalLogFunction PiperOrigin-RevId: 324800499 GitOrigin-RevId: c12db0cff0f0cb0c10731cdf4bf1663e99ecb82e Change-Id: Ibb92b1cab465e45abc86281f0fba894c82a662df
* Export of internal Abseil changesGravatar Abseil Team2020-07-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -- e1d2e93a3328d9e4362c5510e81bd15ddd0dcf00 by Derek Mauro <dmauro@google.com>: ROLLBACK: Use auto-detected sanitizer attributes for ASAN, MSAN, and TSAN builds PiperOrigin-RevId: 323612219 -- 6fe0914715bcb680ac1dc533aae3461e2ca1ad50 by Derek Mauro <dmauro@google.com>: Use auto-detected sanitizer attributes for ASAN, MSAN, and TSAN builds PiperOrigin-RevId: 323597765 -- 9ad74e277348585f06a511aac31fff917a89a5d7 by Mark Barolak <mbar@google.com>: Import of CCTZ from GitHub. PiperOrigin-RevId: 323594550 -- 9e77ccb5adf7e9867cfa254105930f8fed19699d by Evan Brown <ezb@google.com>: Remove an unnecessary nullptr check in Cord::PrependTree(). We already check for nullptr at all callsites. PiperOrigin-RevId: 323583641 -- 31ab2355c1b91e474b67ff88b8597ad99f346511 by Gennadiy Rozental <rogeeff@google.com>: Avoid memory allocations while registering retired flags. PiperOrigin-RevId: 323523011 -- 33435e9b97b31763a80d3e41b5ab2459e862e99a by Jorg Brown <jorg@google.com>: Allow ABSL_PREDICT_FALSE to be used with a type that's explicitly convertible to bool. So far ABSL_PREDICT_TRUE could be used with these, but not ABSL_PREDICT_FALSE. PiperOrigin-RevId: 323514860 GitOrigin-RevId: e1d2e93a3328d9e4362c5510e81bd15ddd0dcf00 Change-Id: Iee5b030d9aec1ae2c0fe8997763cee7bd84b4090
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