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* Export of internal Abseil changesGravatar Abseil Team2022-02-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -- 262f6992ee0553782531ad58dd7d8bcd6d0b7bb7 by Martijn Vels <mvels@google.com>: Remove CordRepConcat uses in tests and CONCAT constants. This change removes the creation and uses of CordRepConcat in unit tests, and replaces some remaining CONCAT constants with IsConcat() to make subsequent teardown of CordrepConcat uses easier. PiperOrigin-RevId: 426932694 -- fd590f7e849ba8c5395c589ed3f762cd00affdc8 by Abseil Team <absl-team@google.com>: Replace NULL and 0 with nullptr. PiperOrigin-RevId: 426912932 -- 183e5babc478748023f732a1608745a2a544c996 by Abseil Team <absl-team@google.com>: Replace "span of time" with "amount of time" in the first comment line, to make it clearer that we're not talking about a duration that starts at a specific time. PiperOrigin-RevId: 426691794 -- e28ca760f21505f1be55c7af336eb61d2f1b7fea by Martijn Vels <mvels@google.com>: Add extra assertions on CordRepSubstring child nodes PiperOrigin-RevId: 426369104 GitOrigin-RevId: 262f6992ee0553782531ad58dd7d8bcd6d0b7bb7 Change-Id: I7ffdaa2dc999a2117944c9abdb1565b6b6f48b59
* Export of internal Abseil changesGravatar Abseil Team2021-07-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -- e1a0989213908927f05002ab7697955ad7dc5632 by Martijn Vels <mvels@google.com>: Introduce CordRepBtreeReader CordRepBtreeReader provides forward navigation on cord btrees with absolute positional (offset) context, iterating over btree data in absl::string_view chunks. PiperOrigin-RevId: 387585161 -- 206d298e2bccb998731995cb05717b31fa9d90ec by Abseil Team <absl-team@google.com>: Internal change PiperOrigin-RevId: 387577465 -- f07fafe8a400a4f5dfef186d1a3b61fb7f709fe5 by Abseil Team <absl-team@google.com>: This change adds debug-build enforcement that the inputs to absl::c_set_intersection are sorted, which is a prerequisite of std::set_intersection and required for correct operation of the algorithm. PiperOrigin-RevId: 387446657 -- 2ca15c6361bb758be7fb88cae82bf8489b4d3364 by Abseil Team <absl-team@google.com>: Change BadStatusOrAccess::what() to contain status_.ToString() This ensures that on uncaught exception propagation that would cause program termination, the message contains information on the error which caused the failure. Lazy initialization of what_ is a value judgement: if most callers are expected to call status() not what(), lazy initialization is correct. If most callers are expected to call what(), it should be initialized on construction to avoid atomic operation overhead. PiperOrigin-RevId: 387402243 -- 3e855084e104dc972a0c4385395e6d8e8465127f by Gennadiy Rozental <rogeeff@google.com>: LSC: Standardize access to GoogleTest flags on GTEST_FLAG_GET/GTEST_FLAG_SET This change is necessary to move Googletest flags out of the testing:: namespace without breaking code. These new macros will continue to be required for code that needs to work both inside Google's monorepo and outside in OSS, but can be used anywhere inside the monorepo. PiperOrigin-RevId: 387396025 -- 1ccf5895a15059ef689af5c4817d7b84f73190be by Gennadiy Rozental <rogeeff@google.com>: Import of CCTZ from GitHub. PiperOrigin-RevId: 387388496 GitOrigin-RevId: e1a0989213908927f05002ab7697955ad7dc5632 Change-Id: I3606d9ce29d909a3555e662e9df564202cf5068d
* Export of internal Abseil changesGravatar Abseil Team2021-07-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -- 007ce045d5d38a727ededdb5bf06e64785fd73bd by Martijn Vels <mvels@google.com>: Add `cord_enable_btree` feature flag (default false). PiperOrigin-RevId: 383729939 -- 98e7dc6a0407b0fd7b8713d883cdb3a766e0583d by Benjamin Barenblat <bbaren@google.com>: Eliminate some byte swapping from randen_slow Stop swapping bytes when serializing randen_slow’s Vector128 into and out of memory. Instead, simply index different bytes in the AES round function. This requires byte swapping the te{0..3} lookup tables, but it produces an 8% speedup on my Xeon W-2135. PiperOrigin-RevId: 383689402 -- 180b6bf45049188840d439b16a28e6b968669340 by Evan Brown <ezb@google.com>: Minor simplification in drop_deletes_without_resize() - save probe_offset outside the lambda. Also, add some consts, avoid an auto, and use lambda capture by value instead of reference. I realized that the compiler can already optimize this - https://godbolt.org/z/Wxd9c4TfK, but I think this way makes the code a bit clearer. PiperOrigin-RevId: 383646658 -- 781706a974c4dc1c0abbb6b801fca0550229e883 by Martijn Vels <mvels@google.com>: Change storage to contain 3 bytes. As per the comments in the code, this allows us to utilize all available space in CordRep that may otherwise be 'lost' in padding in derived clases. For the upcoming CordrepBtree class, we want a strong guarantee on having a 64 bytes aligned implementation. PiperOrigin-RevId: 383633963 -- 8fe22ecf92492fa6649938a2215934ebfe01c714 by Derek Mauro <dmauro@google.com>: Remove reference to str_format_arg.h, which no longer exists PiperOrigin-RevId: 383517865 -- 79397f3b18f18c1e2d7aea993b687329d626ce64 by Benjamin Barenblat <bbaren@google.com>: Use absl::uint128 for AES random number generator Replace randen’s internal 128-bit integer struct, u64x2, with absl::uint128. This eliminates some code and improves support for big-endian platforms. PiperOrigin-RevId: 383475671 GitOrigin-RevId: 007ce045d5d38a727ededdb5bf06e64785fd73bd Change-Id: Ia9d9c40de557221f1744fb0d6d4d6ca7ac569070
* Export of internal Abseil changesGravatar Abseil Team2021-04-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -- 60b8e77be4bab1bbd3b4c3b70054879229634511 by Derek Mauro <dmauro@google.com>: Use _MSVC_LANG for some C++ dialect checks since MSVC doesn't set __cplusplus accurately by default. https://devblogs.microsoft.com/cppblog/msvc-now-correctly-reports-__cplusplus/ See GitHub #722. PiperOrigin-RevId: 371362181 -- 5d736accdff04db0e722f377c0d79f2d3ed53263 by Martijn Vels <mvels@google.com>: Fix the estimated memory size for CordRepExternal PiperOrigin-RevId: 371350380 -- eaaa1d8a167aeca67a2aa3a098a2b61a9d72172f by Martijn Vels <mvels@google.com>: Remove flakes by not enforcing re-allocated pointers do never match original Tests that do multiple updates could end up with the original allocated pointer on a 2nd resize, so the 'EqIfPrivate' should not assume that if we do 'not' have the capacity that all following relocations will never match the original. We only care about 'pointer unchanged if private and there is capacity', trying to establish 'pointer changed at some point due to re-allocation; is pointless. PiperOrigin-RevId: 371338965 -- d1837bee6bade1902b095c1cbf64231668bb84c5 by Martijn Vels <mvels@google.com>: Undo inline of small data copy in cord This leads to a performance regression as the code is not inlined (absent hard FDO inputs), and there are no suitable tail call options. PiperOrigin-RevId: 371332332 -- 06dc64b833069efc7d18b11df607c8c22be690da by Martijn Vels <mvels@google.com>: Add final instrumentation for Cordz and remove 'old' cordz logic. This change instruments the last cord function for cordz. It removes the 'old' functions: set_tree, replace_tree, UpdateCordzStatistics and RecordMetrics. PiperOrigin-RevId: 371219909 -- a5e0be538579c603052feec03e6d9910c43ea787 by Martijn Vels <mvels@google.com>: Extend the life of CordRep* if inside a snapshot If a snapshot (potentially) includes the current CordzInfo, we need to extent the lifetime of the CordRep*, as the snapshot 'point in time' observation of the cord should ideally be preserved. PiperOrigin-RevId: 371146151 -- 74d77a89774cd6c8ecdeebee0193b294a39383d6 by Martijn Vels <mvels@google.com>: Instrument std::string consuming methods: ctor, operator=, Append and Prepend This change moves the 'steal into CordRep' logic into a separate function so we can use it directly in the ctor, operator assign and append and prepend, allowing Cordz instrumentation with the proper method attributes. The assign operator is implemented in AssignLargeString leaving the dispatch inlined in cord.h (which as a side effects also allows clean tail calls in the AssignLargeString method) PiperOrigin-RevId: 371094756 -- b39effc45266b7ce2e7f96caa3b16cb6e3acc2dd by Martijn Vels <mvels@google.com>: Add Cordz instrumentation to CordReader PiperOrigin-RevId: 370990181 GitOrigin-RevId: 60b8e77be4bab1bbd3b4c3b70054879229634511 Change-Id: I96af62e6f1a643e8b1228ae01e6c84e33706bb05
* Export of internal Abseil changesGravatar Abseil Team2021-03-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -- 45c3adace0020bb705e04d254f7b3f914d2ba2e6 by Abseil Team <absl-team@google.com>: Cleanup CordRepRing unit tests PiperOrigin-RevId: 365848947 -- 3d16aae1a4a20666151d8a5ebfd48a2777053b75 by Derek Mauro <dmauro@google.com>: Internal change PiperOrigin-RevId: 365830995 -- 298f2de7061f21fb94b4bc715bbadef37732d1fa by Derek Mauro <dmauro@google.com>: Internal change PiperOrigin-RevId: 365830862 -- 540c6f4b8f4443d3bb969e566761760813b17545 by Derek Mauro <dmauro@google.com>: Upgrade MacOS CI to use Bazel 3.7.0 PiperOrigin-RevId: 365825990 -- 8b09ef04a1061038a982c3ff29dc7c8a28364f5f by Abseil Team <absl-team@google.com>: internal change PiperOrigin-RevId: 365819242 GitOrigin-RevId: 45c3adace0020bb705e04d254f7b3f914d2ba2e6 Change-Id: I3b2bebd212a41d0c0dda56fefb455240408cc461
* Export of internal Abseil changesGravatar Abseil Team2021-03-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -- 6b5be2524a088d0f4e8475794dc71232a24e94d8 by Abseil Team <absl-team@google.com>: Enable ABSL_HAVE_ATTRIBUTE_WEAK for Windows with Clang >= 9.0.0 The bug (https://bugs.llvm.org/show_bug.cgi?id=37598) motivated the workaround was fixed in 9.0.0. PiperOrigin-RevId: 365682074 -- c16b7784978a370658dce6d82cb7055316a79bcc by Abseil Team <absl-team@google.com>: Add IsFlat() evaluation to GetFlatAux for RingBuffer PiperOrigin-RevId: 365666501 -- c064eb686a3c036e093e71126c45f97d3a921569 by Abseil Team <absl-team@google.com>: Implement C++11 compatible std::remove_cvref added in C++20 PiperOrigin-RevId: 365606639 -- af2e7e055172da914e63c05308aedb68e197661e by Abseil Team <absl-team@google.com>: Add IsFlat() support to CordRepRing PiperOrigin-RevId: 365562090 -- 2cfeff9280f4967c4f828812bfe153b4e9cbabb7 by Abseil Team <absl-team@google.com>: Make unit test for TryFlat on 'substring of rep' explicit PiperOrigin-RevId: 365081382 GitOrigin-RevId: 6b5be2524a088d0f4e8475794dc71232a24e94d8 Change-Id: Ibb577748176217ce237614a6fe77c05375a97003
* Export of internal Abseil changesGravatar Abseil Team2021-01-20
-- 642ab296a2c9629c44f3f2ce6911cd2488bcf416 by Derek Mauro <dmauro@google.com>: Remove an obsolete check in CMakeLists.txt PiperOrigin-RevId: 352852564 -- ce78cb96bcfd162737dbcf35005da3d1d6a3486b by Abseil Team <absl-team@google.com>: Clarify that the calling *thread* must have locked the mutex in order to unlock it. PiperOrigin-RevId: 352801804 -- 24e1f5f72756046f5265abf618e951c341f09b8d by Derek Mauro <dmauro@google.com>: Fixes failing CMake string comparisons https://cmake.org/cmake/help/latest/policy/CMP0054.html Fixes #791 PiperOrigin-RevId: 352791054 -- 0ac10bc3f4dca2c4c4b51d7b8196a2eaee9537a1 by Abseil Team <absl-team@google.com>: Introduce CordRepRing class This change introduces the CordRepRing class that implements all the lower level / internal implementation for upcoming CordRepRing ring buffer support in cord. PiperOrigin-RevId: 352771994 -- 4bd36dda61760785844f0f29f26d90cc18046f75 by Abseil Team <absl-team@google.com>: Optimize InlineData representation for cord sampling (cordz) This CL changes InlineData to allow us to store a (future) Cordz Info pointer directly into the inline representation: - make InlineData a class that provides a public API to set the active union members (tree or chars) and safely access that data. - change 'tree' and 'profiled' bits to be the 2 least significant bits, allowing us 62 continquous bits for storing a Cordz Info pointer. PiperOrigin-RevId: 352642411 -- dc55ba71bbce0e6a83e05a453990c51ac3d68426 by Mark Barolak <mbar@google.com>: Add unit test coverage for the mutating overload of absl::AsciiStrToLower. PiperOrigin-RevId: 352626006 GitOrigin-RevId: 642ab296a2c9629c44f3f2ce6911cd2488bcf416 Change-Id: I6c5929dd830d3c630e14e7fd5387fc3e25a69100
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