| Commit message (Collapse) | Author | Age |
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--
3d018c03a34bf273a4b24b3584ed77f0a6d21686 by Abseil Team <absl-team@google.com>:
Fix a spelling typo (s/boundries/boundaries).
PiperOrigin-RevId: 442041877
Change-Id: I608020697d37b85316bb9a0838e4b457659c926c
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518b8119e51db24ce7fb0fd2fe537ec43825c3e6 by Dino Radakovic <dinor@google.com>:
absl/types/internal/variant: Make include guard uppercase
https://google.github.io/styleguide/cppguide.html#The__define_Guard
PiperOrigin-RevId: 441911692
Change-Id: I9837dd07f20204d8253f20627b0917a34dc21825
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b91696c38310a7cae8c1ea9e2d479495f5dc3f69 by Greg Falcon <gfalcon@google.com>:
Add an internal-only API to wrap __builtin_prefetch() if available.
This private API is intended for future use by the Abseil implementation. Like any internal-namespaced function, it may be changed or removed at any time.
PiperOrigin-RevId: 441894616
Change-Id: Iaa48bd4680b373f4a0d5afab0cb35e2a1908595f
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0f01e8b0551a662e02dff60840c54320f987315f by Derek Mauro <dmauro@google.com>:
C++20: Use the standard `constinit` keyword for `ABSL_CONST_INIT` when available
PiperOrigin-RevId: 441778874
Change-Id: I70c616469752ff23b326b1c615437599f42cc6aa
GitOrigin-RevId: 3d018c03a34bf273a4b24b3584ed77f0a6d21686
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--
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
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5c70a23aa83b8152ab95d2cf21662fc63c80ef7d by Abseil Team <absl-team@google.com>:
Add a benchmark for stacktrace
PiperOrigin-RevId: 441196473
Change-Id: I4c9aa2e797aa2cae09abfaaee3abe5c09eb62fc4
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50b406052273b9d5bad04a7860a96e4d5d956c02 by Abseil Team <absl-team@google.com>:
Internal change.
PiperOrigin-RevId: 441114481
Change-Id: I667af7a50d5631ca91289dd24c91ba90233e0184
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568b4eaac120b420bce5290179d407d2b57d5bae by Dino Radakovic <dinor@google.com>:
Internal change
PiperOrigin-RevId: 440894155
Change-Id: Ia587ffc65a8321126585fb363b7c0ca8cc2a0da2
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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
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--
291f7ef542f73e4801ab5108014bc02344ef31df by Derek Mauro <dmauro@google.com>:
Internal change
PiperOrigin-RevId: 437835981
Change-Id: I42fd92e74903894533ac9984d7f622e3ba20f468
--
2e8caf1a57c50b518e05b4bca48e4fe1bb19af82 by Andy Getzendanner <durandal@google.com>:
Internal change
PiperOrigin-RevId: 437832673
Change-Id: I61b35089418d01a54cecf161b254b68252bebff3
--
b927482ccc399f7e337b60582988b914d9946e4e by Derek Mauro <dmauro@google.com>:
Simplify endian intrinsics for modern compilers
All modern compilers have either __builtin_bswapN (gcc, clang) or
_byteswap_TYPE (MSVC). The other intrinsic definitions are no longer
necessary.
PiperOrigin-RevId: 437772295
Change-Id: Ifb3d88ba24b9097f87ceb202272b36d2f5e5117f
--
b6782a2247a16d5c14706a74ec577c19963d9f97 by Derek Mauro <dmauro@google.com>:
Internal change
PiperOrigin-RevId: 437373174
Change-Id: I0f77e1780dee90d7a3c32a08d96c4aeb624a57b4
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a53e0c724e37b0b01515a99bd25394b8e21ffdfc by Derek Mauro <dmauro@google.com>:
Unify detection of SSE2 and SSSE3 instruction sets and
include the proper headers
Fix the intrinsic implementation of FastHexToBufferZeroPad16 in
numbers.h which only relies on SSSE3, not SSE 4.2.
https://godbolt.org/z/Pf5bn1Yv9
Closes #639
PiperOrigin-RevId: 437286940
Change-Id: Ic97948399b61b91e9c0bccd09313b795b904d714
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f173f597cb2a75ef2a989f45a496334b85e6f40d by Abseil Team <absl-team@google.com>:
Change assertion function to enable clearer error messages.
PiperOrigin-RevId: 437227057
Change-Id: If420d2f63b51feef6648762f344d5be012cd9c85
GitOrigin-RevId: 291f7ef542f73e4801ab5108014bc02344ef31df
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--
ed829ac612f090375427c3488827c6e74deb2e3f by Derek Mauro <dmauro@google.com>:
Update latest GCC/Clang Linux tests to Bazel 5.0.0 and CMake 3.22.2
PiperOrigin-RevId: 429369775
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76952303c4d942288c4e7657ffb5893cec54a132 by Martijn Vels <mvels@google.com>:
Optimize Cord::ChunkIterator now that CordRepConcat is removed
PiperOrigin-RevId: 429321455
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dcd0d287793649aba9b98268c5783e449a34749f by Martijn Vels <mvels@google.com>:
Add IsDataEdge() and DataEdgeValue() helper functions.
This moves repetitive logic accessing data edges into its own header, and more strongly defines the notion of what a data edge is, enforcing the internal invariants. This will also be incorporated in optimized Cord iteration logic once CordRepConcat is totally removed from the Cord code.
PiperOrigin-RevId: 429307248
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6a0903962155988085bf8656743fda9c4cdcba6c by Abseil Team <absl-team@google.com>:
Make it clear that the probability function given for the zipf distribution is unnormalized, i.e., sum(p(x) for x = 0..k) != 100%.
Quoting Section 7 of the paper cited in the comments, where this formula comes from (emphasis mine): "We will consider the two parameter generalization as defined in Dagpunar [1988] with the *unnormalized* probability function ..."
PiperOrigin-RevId: 429068258
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3899ff6d444ba755148bc521a6ee031d9e9d4485 by Abseil Team <absl-team@google.com>:
Internal Changes
PiperOrigin-RevId: 428644856
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319de702d2b537cbb76c4c71277ae89b349b162e by Benjamin Barenblat <bbaren@google.com>:
Support symbolization on PA-RISC
Null out supervisor bits in PA-RISC addresses before symbolizing, and
handle function descriptor tables correctly.
Change symbolize_test.cc to use 32-bit aligned addresses, allowing that
test to pass on PA-RISC.
PiperOrigin-RevId: 428590564
GitOrigin-RevId: ed829ac612f090375427c3488827c6e74deb2e3f
Change-Id: Ie01ff3b9365fd45e5a55f858038552679f3180d3
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--
ceee18732f9499d3a53d46d5974f12ea0774b900 by Abseil Team <absl-team@google.com>:
Remove division from the profile guided optimization
PiperOrigin-RevId: 428444108
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fc27059f1b0c0b4cb8ddd9a7a88220af52c0c755 by Evan Brown <ezb@google.com>:
Rename btree_node::leaf to is_leaf and also add is_internal for readability improvements.
PiperOrigin-RevId: 428076422
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6a90d18477cc3a6de84282b6e38d6f294aa72748 by Evan Brown <ezb@google.com>:
In sanitizer mode, add generation integers to b-tree nodes and iterators and validate that iterators have not been invalidated already when they're used.
Even though generation integers are stored in all nodes, we only use the one stored in the root node for validation. The reason we keep one in all the nodes is that nodes can become a root node after they are allocated.
Also change the order of args in init_leaf to not violate the style guide.
PiperOrigin-RevId: 428054226
--
ede4a0f676f43e7003fd2599c263d55222e760ba by Martijn Vels <mvels@google.com>:
Physically remove CordRepConcat
This CL removes all uses of CordRepConcat. This change is executed by removing all the dead 'btree_enabled()' and 'IsConcat' branches, and all subsequent dead code. This change explicitly does not optimize any of the remaining code other than the most trivial ones such as removing 'stack' loop vars and loops.
PiperOrigin-RevId: 428002308
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7cc83d96118149cf1aa1258a066b8fd4517df5f6 by Evan Brown <ezb@google.com>:
Change btree_iterator from a struct to a class.
Motivation: btree_iterator has private members and invariants so it should be a class.
Also merge two private sections.
PiperOrigin-RevId: 427768836
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524d478b0af422e1a867a8823d9fbad149030360 by Martijn Vels <mvels@google.com>:
Physically block the creation of new CordRepConcat nodes.
This change removes CordRepConcat creation, issuing a FATAL errors on the (practically impossible) call path on broken invariants. This change is deliberately limited in impact, subsequent changes will be more voluminous ripping out the (now dead) CordRepConcat code.
PiperOrigin-RevId: 427741022
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e21eb354c1bb358ea8b64d0e3fbb378e87b8b8c4 by Derek Mauro <dmauro@google.com>:
Update the implementation of ABSL_DEPRECATED to work with GCC, and
recommend using the standard attribute [[deprecated]] for C++14 and newer
GCC users that are experiencing new warnings can silence them with
-Wno-deprecated-declatations.
GCC users that want to see the warnings but not error on them can use
-Wno-error=deprecated-declarations.
PiperOrigin-RevId: 427228952
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0ab4ee5660f3a072054dc4ab5056925c26977c7a by Laramie Leavitt <lar@google.com>:
Change comment to avoid overflow.
PiperOrigin-RevId: 427090218
GitOrigin-RevId: ceee18732f9499d3a53d46d5974f12ea0774b900
Change-Id: Ida00477b6a3d02a8b7bb467be7621b618385d1e9
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An external project may depend on an Abseil `TESTONLY` library like
`absl::random_mocking_bit_gen`. Such a library should not be excluded
from build when Abseil's own tests are not built.
fixes #997
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--
81f95fcf85b75b84f9892c73123501472b9cff33 by Martijn Vels <mvels@google.com>:
Introduce GetEstimatedMemoryUsage(CordMemoryAccounting::kFairShare)
Memory usage analysis is moved into a separate cord_analysis.cc source.
PiperOrigin-RevId: 416370158
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6bc7b1348fd27fe53f100c9eabd47f4f2cb9c19c by Abseil Team <absl-team@google.com>:
Support scoped enum in absl::Substitute.
PiperOrigin-RevId: 416345422
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6399f4f6ae05ebcd67664ebd844902f699ab8ec7 by Abseil Team <absl-team@google.com>:
Correct the computation of contention cycles
Currently, we record contention cycles from the first time a thread started
waiting on a mutex. Consider a situation in which two threads, T1 and T2, run
a loop at the top of which they acquire a common mutex and release it at the
end of the loop body. Further assume that T2 is never able to acquire the
mutex as T1 repeatedly acquires and then releases the mutex. In this case, we
would expect that the reported contention cycles would be increase linearly
over time. But currently we observe a quadratic behavior in the reported
waiting time as mentioned in b/14684244#comment10.
To fix the issue, this CL records the contention cycles experienced by all the threads woken up when the mutex is released. Further, contention_start_cycles is set to the current time since the contention cycles for the time already passed has been taken into account. With this CL, we get a linear increase in the waiting time, the expected behavior.
PiperOrigin-RevId: 416322593
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149c1637c8a0f1a38e5a8f9f27e5803a2015a554 by Jorg Brown <jorg@google.com>:
Make Status::EmptyString more efficient by constructing it in global space, rather than on the heap. See https://godbolt.org/z/8M9n7YqcY for reduced code size.
PiperOrigin-RevId: 416307833
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3b4562a8be5a3c80077cb67b0a32c97419058380 by Abseil Team <absl-team@google.com>:
Clarify the usage of RegisterMutexProfiler
PiperOrigin-RevId: 416146130
GitOrigin-RevId: 81f95fcf85b75b84f9892c73123501472b9cff33
Change-Id: Iccb72d7ee617e6ebe226a38170d62e0849b43480
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Abseil's own tests now are disabled if either BUILD_TESTING
or a new option called ABSL_BUILD_TESTING is false.
Additionally, Abseil's CMakeLists.txt no longer re-declares
the BUILD_TESTING option with a value of false.
Abseil had been using just the BUILD_TESTING option, since
the fix for #901. Because setting BUILD_TESTING false still
works to disable Abseil's tests, this change preserves the
behavior asked for in that issue.
Previous to that, Abseil had a project specific flag for
this, as is the typical idiom used in other projects.
The issue with BUILD_TESTING is that it is an all-or-nothing
policy. When Abseil is incorporated as a subproject, the
encompasing project has no convenient way to enable its own
tests while disabling Abseil's.
Fixes #1056
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--
2130ba98c8359b08d97fb16d84dfd05687005dcf by Abseil Team <absl-team@google.com>:
Tweaking the documentation of c_all_of to state the effect more directly.
PiperOrigin-RevId: 410557900
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4732289bf4b56123fed113e36be4710b55c6a6c7 by Greg Falcon <gfalcon@google.com>:
Improve the quality of absl::Hash<std::vector<bool>>.
This previously dispatched to std::hash<vector<bool>>, which suffers from trivial collisions on many platforms. (They often hash the internal words but no size info, so that, e.g., {1, 1} and {1, 1, 0} collide.)
Also extended the unit test to exercise this.
PiperOrigin-RevId: 410329943
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1c5f3934230a7669f74c96b305251786a265e235 by Greg Falcon <gfalcon@google.com>:
Add broader testing of absl hash contracts in the hash unit test.
In particular, test that the hash erasure mechanism works.
PiperOrigin-RevId: 410312738
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5e1923f527ed3d02f6752a5b38d5e1c17a4a146f by Derek Mauro <dmauro@google.com>:
Internal change
PiperOrigin-RevId: 410290663
--
8c74bc962b3b98a5908017c345efc592393048ea by Martijn Vels <mvels@google.com>:
Add Cord::CreateFlat() function
PiperOrigin-RevId: 410260776
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bd0de4e94c85620d3b8dd60fae367b730fc4cb34 by Evan Brown <ezb@google.com>:
Rename node_hash_policy to node_slot_policy.
Motivation: we can potentially reuse this code for node_btree_*.
PiperOrigin-RevId: 410082271
GitOrigin-RevId: 2130ba98c8359b08d97fb16d84dfd05687005dcf
Change-Id: Ie052084cf992dee250d8b2f388d39c4de0dcff40
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--
83e4cdf03a4d702b30e69204060de09e462e23c6 by Greg Falcon <gfalcon@google.com>:
Revert the crc addition to RefcountAndFlags, and restore related comments to their original state.
In development, the implementation of SetExpectedCrc() changed, and there is no longer a need to track the CRC status in the refcount.
Since the distinction between IsOne() and IsMutable() is subtle *and unused*, removing it now can help avoid subtle bugs in the future. This distinction can always be added back later, if it proves necessary.
Keep the reserved bit for now; all it costs is one extra mask instruction in the refcount checks, and space for extra state in Cord is always hard to find.
PiperOrigin-RevId: 408647038
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ee67585cf66954176615271f50f8b278119dd138 by Greg Falcon <gfalcon@google.com>:
Implement Cord::SetExpectedChecksum() and Cord::ExpectedChecksum().
SetExpectedChecksum() will store a uint32_t out-of-band alongside a Cord's data. This value persists through copies and assignments. Mutating operations on a Cord cause the value to be forgotten. ExpectedChecksum() retrieves the stored value, if present.
This API is intended for storing a CRC32C checksum alongside data, allowing checksums to be passed through dataflows and validated at the final step. However, this API is agnostic to the meaning of the stored value. No CRC32C validation is performed by these new APIs.
This implementation adds a new CordRep node, CordRepCrc. A CordRepCrc may (currently) only live at the top of a tree. This allows traversal logic to be agnostic to these nodes, instead putting the needed branches at the mutation level. This also implements the property requested from API review, that any mutation is guaranteed to permanently forget the stored CRC.
PiperOrigin-RevId: 408611221
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a86f592402b37c854ebdc77d2b9b425451a7a675 by Martijn Vels <mvels@google.com>:
Move 'ExtractResult' into CordRep
The result of an extract operation is logically identical for any tree implementation, and having a single type makes 'tree independent' implementation in cord.cc more concise.
PiperOrigin-RevId: 408332408
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baa7647e21db59a87f75af9cac62172ce38a0f71 by Abseil Team <absl-team@google.com>:
Replace usages of `assert` macros with `ABSL_HARDENING_ASSERT`.
PiperOrigin-RevId: 408272133
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c7658133d8662c39fa5035fc93a364c7c3d327e0 by Martijn Vels <mvels@google.com>:
Add CordRepBtree::ExtractAppendBuffer
PiperOrigin-RevId: 407944179
--
5775100363b5890ebfe710fadebf040445eab991 by Martijn Vels <mvels@google.com>:
Add CordRepConcat::ExtractAppendBuffer
PiperOrigin-RevId: 407932968
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9f520ba1600a93352c78f644a369c7c76195ee86 by Greg Falcon <gfalcon@google.com>:
Add cordz tracking for crc nodes.
This also adds a new kSetExpectedChecksum method to the list of tracked methods. This is presently unused but will be used soon.
PiperOrigin-RevId: 407884120
GitOrigin-RevId: 83e4cdf03a4d702b30e69204060de09e462e23c6
Change-Id: I134ace2d87215813eaa60a282996a33884676c06
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--
5e45aadfb89e366dedd1fcad5034a76c5c10ad76 by James Y Knight <jyknight@google.com>:
Correct the conditions for std::{optional,variant,any} availability on Apple platforms.
Before XCode 12.5, the availability declarations incorrectly excluded one release on which the features were in fact available. This was corrected in https://github.com/llvm/llvm-project/commit/7fb40e1569dd66292b647f4501b85517e9247953
Unfortunately, we cannot simply switch abseil to the corrected versions, as that will cause build failures when using the older XCode toolchain. So, we check the version, and choose the correct set of versions for the toolchain in use.
PiperOrigin-RevId: 407667302
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376fa06cde048e536e9447336b27bebf598ed4ea by Greg Falcon <gfalcon@google.com>:
Cord implementation change: Add a new CordRepCrc node type.
This is an implementation detail that will allow storing expected CRCs alongside cord data. This node is intended only to live at the top of Cord trees.
PiperOrigin-RevId: 407587140
GitOrigin-RevId: 5e45aadfb89e366dedd1fcad5034a76c5c10ad76
Change-Id: Iea3ca001c0cbb4deec8286b5581b30dc172a9918
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--
9f6ef337f282272bc098330c9ccacd9d39155db4 by Abseil Team <absl-team@google.com>:
Make DestroyElements an empty function if the value types are trivially deconstructible.
PiperOrigin-RevId: 407345743
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a639bbf6f22446d6ba3da9e2c205e26cda4bebc5 by Derek Mauro <dmauro@google.com>:
Add ctest --output-on-failure to the CMake install test
PiperOrigin-RevId: 407333671
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54d0577fa6ba1159c6a86410ae185c52f4afaff6 by Derek Mauro <dmauro@google.com>:
Fix Android build of elf_mem_image.cc
PiperOrigin-RevId: 407331032
GitOrigin-RevId: 9f6ef337f282272bc098330c9ccacd9d39155db4
Change-Id: I7e13f01cd804aec50f280ac25934c9ec48ef3c5f
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--
17141711ee419daa597a9f31e73721f80143e55a by Gennadiy Rozental <rogeeff@google.com>:
Import of CCTZ from GitHub.
PiperOrigin-RevId: 401384949
--
ac48584a7b16e8a12e26d49deb6cddec584a20b5 by Derek Mauro <dmauro@google.com>:
Internal change
PiperOrigin-RevId: 401337785
--
8a51bb7c962845e0707240c5ba12c1b80f6fbbe9 by Derek Mauro <dmauro@google.com>:
Internal change
PiperOrigin-RevId: 401047691
--
8e18024510869247f3c04c7807c93709eca2322a by Chris Kennelly <ckennelly@google.com>:
Note that SpinLock does not guarantee priorities for wakeups.
PiperOrigin-RevId: 400999238
--
75bc09b5f95fbb74b74d14c370bfb80011e8fb7f by Derek Mauro <dmauro@google.com>:
Add visibility restrictions to some internal targets
PiperOrigin-RevId: 400718253
--
1de5061016bc42cd7be009c9725ed2343ce12e3d by Abseil Team <absl-team@google.com>:
Make it clear that operator<< can also be used in place of ToString when logging absl::Status.
PiperOrigin-RevId: 400248269
--
cda15d9dc6e5cd569de7e5e73f409b72a3caed51 by Abseil Team <absl-team@google.com>:
Minor cleanup
PiperOrigin-RevId: 400087535
--
b001375ec47da3a0434be9ca9a45c0df510e7dda by Abseil Team <absl-team@google.com>:
Move periodic_sampler from base/internal to profiling/internal
PiperOrigin-RevId: 400038533
--
e7e02e686abc3900e723080849a3607d190ef57f by Abseil Team <absl-team@google.com>:
Move exponential_biased from base/internal to profiling/internal
PiperOrigin-RevId: 400020329
GitOrigin-RevId: 17141711ee419daa597a9f31e73721f80143e55a
Change-Id: I10924df7e1cc198447813dbe97a374a5cef66b49
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--
ca3a0009e675b699b5d6dd41f00ebac0e7d1935c by Derek Mauro <dmauro@google.com>:
Internal change
PiperOrigin-RevId: 396475923
--
04d9fff79085bb18612af3da49007907394ae0b6 by Abseil Team <absl-team@google.com>:
Move HastablezSampler from container/internal to profiling/internal.
PiperOrigin-RevId: 396362093
GitOrigin-RevId: ca3a0009e675b699b5d6dd41f00ebac0e7d1935c
Change-Id: I42d6d2944786afa24259fde002fed5e611f4e1f9
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--
f73e17cb24f7878933fc100bd9bfc39fce190b64 by Derek Mauro <dmauro@google.com>:
Internal change
PiperOrigin-RevId: 394306402
--
3d3eeffa4e37f63aa50fec1b90858043b40fe377 by Abseil Team <absl-team@google.com>:
Release a few more absl::Cord unit tests that were accidentally omitted from the OSS release before.
PiperOrigin-RevId: 394016464
--
8a77a8eb93d021aadd8fdf43e219bf35328001ad by CJ Johnson <johnsoncj@google.com>:
Fix typo in identifier
PiperOrigin-RevId: 394000560
--
d87206c7c8e045b03d74b91e47ef3db0eb47a17b by Derek Mauro <dmauro@google.com>:
Fix typo: RandenHwAes
PiperOrigin-RevId: 393879427
--
980a3402eea77b0c77fb20dd124203002ff791ba by Derek Mauro <dmauro@google.com>:
Adds macros `ABSL_LTS_RELEASE_VERSION` and `ABSL_LTS_RELEASE_PATCH_LEVEL`
to allow projects to detect if an LTS version is being used.
Fixes #1006
PiperOrigin-RevId: 393807178
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aecc7ed34de718c64733dab76621eacb5af9af5f by CJ Johnson <johnsoncj@google.com>:
Change `alloc` to `allocator` to match the fact that other identifiers are full words
PiperOrigin-RevId: 393794869
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ad754bbcf7b78f5d51ed5f39193ac3159429b2b4 by Derek Mauro <dmauro@google.com>:
Remove self-include of cord_rep_btree.h
PiperOrigin-RevId: 393792085
--
f8e937a0d8fe26400560754f3596e3c21bb6d0d7 by Abseil Team <absl-team@google.com>:
Fix trivial typo in comment.
PiperOrigin-RevId: 393770527
--
7a58ca5d708038d222c6a2b6ff5076b4ceffd370 by Tomas Dzetkulic <dzetkulic@google.com>:
Update Cord::AppendArray resize policy.
PiperOrigin-RevId: 393362184
--
316050d171190d9d6312cadf88b1cc2db2d1caa7 by Abseil Team <absl-team@google.com>:
Add a new top level profiling/ directory to the Abseil library
PiperOrigin-RevId: 393358109
--
0dbb8e10f7fa4a7ac74e12b178e936a67b266c51 by CJ Johnson <johnsoncj@google.com>:
Switch to the more common enable_if pattern of ` = 0` in InlinedVector
PiperOrigin-RevId: 393301549
--
136d3068ce33b50ac820e8bd01395a7164d5181f by Abseil Team <absl-team@google.com>:
Clean up typedefs in internal/inlined_vector.h
PiperOrigin-RevId: 393181754
GitOrigin-RevId: f73e17cb24f7878933fc100bd9bfc39fce190b64
Change-Id: I0c4cd4d71d97bd1bf651701b6302ea3d9ac59b66
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--
3a9b4e8e5ecba532db5cc4ac12d12660307ce9fb by Derek Mauro <dmauro@google.com>:
Use the Bazel @platforms repository for platform constraints
Fixes #1000
PiperOrigin-RevId: 390644226
--
b34e4d2f8a86b54bd483ec4c9c3dd781ad2d8b68 by Abseil Team <absl-team@google.com>:
debugging: add some handling for RISC-V
The RISC-V architecture uses a downward growing stack and can host Linux using
ELF files. Adjust a few sites accordingly to indicate how to handle the RISC-V
architecture.
PiperOrigin-RevId: 390631894
--
5fa3a0961bf3dd0799c048956a0128f7b8113f1e by Samuel Benzaquen <sbenza@google.com>:
Rename the buffer hash function to LowLevelHash.
Although it started as wyhash, it will depart from it so it does not make sense
to keep the name.
PiperOrigin-RevId: 390483506
--
2e7867a2301d58ad4cd5abcaa5fd6f0db973ae7b by Abseil Team <absl-team@google.com>:
This is an internal change.
PiperOrigin-RevId: 390349746
GitOrigin-RevId: 3a9b4e8e5ecba532db5cc4ac12d12660307ce9fb
Change-Id: I322c3762552a2107e6c6b108c25c01e5efa8aecd
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See https://github.com/abseil/abseil-cpp/issues/259 for context.
This change introduces the ABSL_PROPAGATE_CXX_STD option (default to OFF for now, though it prints a warning in CMake 2.8+ builds that a future Abseil release will default to ON). When enabled, all Abseil CMake targets will set the cxx_std_11 target meta feature (which will then propagate to targets that depend upon Abseil) rather than setting the target-level CXX_STANDARD property to CMAKE_CXX_STANDARD (which is the default value anyway), which doesn't propagate.
Updates README documentation to clarify behavior and with a different example recommendation for library projects (which should generally leave CMAKE_CXX_STANDARD to the root application project).
See https://crascit.com/2015/03/28/enabling-cxx11-in-cmake/ for a useful overview of these different CMake features surrounding C++ standard version configuration.
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--
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
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--
69b5d0b2a5adb49a53e51f9da6848eaa484242fe by Derek Mauro <dmauro@google.com>:
Changes the absl::Duration factory functions to disallow types that
are convertible to int or double, instead requiring that the argument
itself is indeed an integer or a floating-point number. This will
prevent callers from passing arguments, such as std::atomic<T>.
This change is an API break. Information and a tool to fix issues
can be found at
https://abseil.io/docs/cpp/tools/upgrades/duration-conversions
PiperOrigin-RevId: 387153494
--
786063e438ab6a55ac4baa88ad4d20a8293be52a by Evan Brown <ezb@google.com>:
Make ctrl_t be an enum class.
This adds type safety, and also when strict aliasing is enabled, the compiler will know that control bytes can't alias non-control bytes.
Also make H2() return h2_t.
PiperOrigin-RevId: 387120717
--
7e537aabec1c255d6e7c9d21232c597c1c2077bf by Evan Brown <ezb@google.com>:
Add some missing `const` keywords to ctrl_t* function parameters.
PiperOrigin-RevId: 386976062
--
da53ac6d91cabd951e81dd0a145e1e52b918955f by Martijn Vels <mvels@google.com>:
Change Seek and InitOffset to return nullptr instead of assert / fail.
This makes it consistent with the rest of the API (Next, Previous, Skip) and hardens it against invariants that are harder (or less likey) to be upheld correctly by the caller.
PiperOrigin-RevId: 386963283
--
a4d1faac020d5025edf53ce81808e5db68da7d89 by Abseil Team <absl-team@google.com>:
PC / Backtrace / Symbolization for Emscripten.
PiperOrigin-RevId: 386957724
--
97f2c47d83ba9d3ac89e1f55bd06897686ffd063 by Martijn Vels <mvels@google.com>:
Fix static casts ([-Wimplicit-int-conversion])
PiperOrigin-RevId: 386951646
--
9530c795248543817cbc4013953baa09c35f5e1a by Abseil Team <absl-team@google.com>:
Fix incorrect header guard in cord_rep_btree_navigator.h
PiperOrigin-RevId: 386907904
--
90ce5872406df2b7f4c428683741dc13a572267e by Abseil Team <absl-team@google.com>:
Small grammar fixes for some StatusCode descriptions.
PiperOrigin-RevId: 386906217
--
b30a2fd777f12a04a4d512f37a34614b0d05ce99 by Derek Mauro <dmauro@google.com>:
Skip length checking when constructing absl::string_view from std::string.
The length check causes unnecessary code bloat.
PiperOrigin-RevId: 386857974
--
fa171536c359bfa2a1b80297e844519bb9ee7791 by Martijn Vels <mvels@google.com>:
Introduce CordRepBtreeNavigator
CordRepBtreeNavigator implements bi-directional navigation over all data edges stored inside a Cord Btree.
PiperOrigin-RevId: 386519102
GitOrigin-RevId: 69b5d0b2a5adb49a53e51f9da6848eaa484242fe
Change-Id: I1b35188d66133f8cb73d346bc5564aac4e0b3e80
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--
b20c539b8e21fee7d4d908a8a26a317a3de9d993 by Martijn Vels <mvels@google.com>:
Add CordRepBtree implementation
PiperOrigin-RevId: 385679196
--
96f7753b7af5fd964537d5794dd597bb6e698071 by Derek Mauro <dmauro@google.com>:
Update Abseil dependencies
PiperOrigin-RevId: 385643956
--
67bdae4c686f0df09cc7155633c03218bf23d177 by Abseil Team <absl-team@google.com>:
Fix up some small typos in error messages.
PiperOrigin-RevId: 385625107
GitOrigin-RevId: b20c539b8e21fee7d4d908a8a26a317a3de9d993
Change-Id: I8f602cfe9f7878b0558359ab15efb048caefb3a5
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--
1620e8ffaa93ef24510ca60c7fff2a07248ac9f6 by Abseil Team <absl-team@google.com>:
Update comment.
PiperOrigin-RevId: 382858259
--
20db116f28469149d10e0f7f8b976cb903dd4879 by Gennadiy Rozental <rogeeff@google.com>:
Add benchmark running on multiple flags.
Update size_tester to include cost of absl::GetFlag call.
Add size_tester invocation for bool flag.
New benchmark better represent GetFlag usage.
PiperOrigin-RevId: 382820341
--
2e097ad3811c4e329f75b98877a5e74c1d3d84fd by Abseil Team <absl-team@google.com>:
Avoid 64x64->128 multiplication in absl::Hash's mix on AArch64
On AArch64, calculating a 128-bit product is inefficient, because it requires a sequence of two instructions to calculate the upper and lower halves of the result. So calculate a 64-bit product instead.
Making MultType 64-bits means the upper 32 bits of the result do not participate in shift/xor, but the add/multiply gives us sufficient mixing.
PiperOrigin-RevId: 382625931
--
f3ae3f32cb53168c8dc91b766f2932dc87cec503 by Abseil Team <absl-team@google.com>:
Remove homegrown Round implementation
absl/time/duration.cc defined a Round implementation to accommodate old
versions of MSVC that lacked std::round(long double). Abseil no longer
supports those MSVCs, so we don’t need the homegrown implementation
anymore. Remove it, and replace calls to it with std::rint.
PiperOrigin-RevId: 382605191
--
a13631c91bf5478289e1a512ce215c85501a26f7 by Martijn Vels <mvels@google.com>:
Move the Consume() conversion functions out of cord_rep_ring into cord_rep_consume.
This makes these functions generic, so we can repurpose these for the new Btree conversion functions.
PiperOrigin-RevId: 382594902
--
7394c737500c2d8371fcf913b21ad1b321ba499d by Benjamin Barenblat <bbaren@google.com>:
Remove homegrown Round implementation
absl/time/duration.cc defined a Round implementation to accommodate old
versions of MSVC that lacked std::round(long double). Abseil no longer
supports those MSVCs, so we don’t need the homegrown implementation
anymore. Remove it, and replace calls to it with std::rint.
PiperOrigin-RevId: 382569900
--
d72a761f43dc5c9b9510c3a1363177ed26646b5d by Abseil Team <absl-team@google.com>:
Prefer `getentropy` for Emscripten.
It needs a different header, so I've separated it out from the GLIBC
check above.
PiperOrigin-RevId: 382332475
--
74e261dbb467741b2ddd8b490e04c531fdd2f559 by Martijn Vels <mvels@google.com>:
Add BTREE tag for CordRepNode implementing a Btree cord.
This change only forward declared the CordRepBtree class (not implemented yet) and defines the enum value BTREE. While RING and BTREE should never co-exist, we define a new value for BTREE so as not to make transitioning between RING and BTREE harder than it needs to be. This changes shifts the FLAT value / computation from FLAT = 4 to FLAT =5
PiperOrigin-RevId: 382326710
GitOrigin-RevId: 1620e8ffaa93ef24510ca60c7fff2a07248ac9f6
Change-Id: Ia8f99dde3874808f56062bd37ab3e63764099734
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--
ca5ce10fa5286f2bfb51890a37b547308b8d6d93 by Benjamin Barenblat <bbaren@google.com>:
Skip floating-point edge-case tests when using an x87
32-bit Intel CPUs use 80-bit floats for intermediate values, which can
change the results of floating point computations from what we normally
expect. Identify tests that are sensitive to the x87, and skip them when
we’re on 32-bit Intel.
PiperOrigin-RevId: 378722613
--
e5798bb017854e7f3b6d8721fed7dd553642b83d by Abseil Team <absl-team@google.com>:
Build without -Wl,-no-undefined.
PiperOrigin-RevId: 378690619
--
3587685a2c932405e401546ec383abcfbf8495c8 by Derek Mauro <dmauro@google.com>:
Update CCTZ BUILD file.
PiperOrigin-RevId: 378688996
--
06c7841b2bf8851410b716823b7ff9b42d86085e by Derek Mauro <dmauro@google.com>:
Change the CMake install test to use installed version of GoogleTest
PiperOrigin-RevId: 378537383
--
eaa8122a7062c56bed80e806344cca0c8325bf6f by Derek Mauro <dmauro@google.com>:
Internal change
PiperOrigin-RevId: 378525523
--
381f505cce894b8eec031a541855650c4aa46e64 by Abseil Team <absl-team@google.com>:
Mark btree_container::clear() with the ABSL_ATTRIBUTE_REINITIALIZES attribute.
This prevents false positives in the clang-tidy check bugprone-use-after-move;
it allows clear() to be called on a moved-from btree_container without any
warnings, and the btree_container will thereafter be regarded as initialized again.
PiperOrigin-RevId: 378472690
GitOrigin-RevId: ca5ce10fa5286f2bfb51890a37b547308b8d6d93
Change-Id: I4267246f418538c5baacb562d1a40213fb13f246
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As of this change, you can use `-DABSL_USE_EXTERNAL_GOOGLETEST=ON -DABSL_FIND_GOOGLETEST=ON` to have Abseil use the standard CMake find_package(GTest) mechanism.
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--
30af50146f07d7afdb196abf235f44ec44ea6409 by Derek Mauro <dmauro@google.com>:
Update Abseil dependency versions
PiperOrigin-RevId: 374415690
--
6a241e9ea8ee201789bb66aadf9e1ca9cc23c5dc by Derek Mauro <dmauro@google.com>:
Fix the install test project, which is doing a mixed-mode build.
This manifests in failure with GCC 11, which defaults to C++17
Also explicitly reference python3 in the test script.
python2 is being removed by some Linux distros.
PiperOrigin-RevId: 374278107
--
42f85122407e799183880e0b2e2a71f6d35ee003 by Evan Brown <ezb@google.com>:
Use `capacity + Group::kWidth` control bytes instead of `capacity + Group::kWidth + 1`.
We don't use the extra byte - we only need the first `capacity` ones that are valid, the one sentinel byte and then `Group::kWidth - 1` cloned control bytes. For example, in `EmptyGroup()`, where capacity is 0, we use `Group::kWidth` control bytes.
We need to update set_ctrl() to only mirror `Group::kWidth - 1` bytes instead of `Group::kWidth` bytes.
Note: this doesn't actually save memory unless `alignof(value_type)` is one.
Also add/update related comments.
PiperOrigin-RevId: 374198589
--
5dcd09b2221bf23add583541769b476dac54e112 by Evan Brown <ezb@google.com>:
Improve b-tree value_comp() support.
- Don't expose internal adapted comparator functionality.
- Support value_comp() for maps using function pointer comparators.
- For maps, make value_compare's constructor and the member comparator be protected - [reference](https://en.cppreference.com/w/cpp/container/map/value_compare).
PiperOrigin-RevId: 373832649
--
d75819786ff5a06e1ed0c5c1e80b3b95ac49c83b by Evan Brown <ezb@google.com>:
Don't export adapted comparator functionality in key_comp().
PiperOrigin-RevId: 373651039
GitOrigin-RevId: 30af50146f07d7afdb196abf235f44ec44ea6409
Change-Id: I260480b0923cefeba81c543e2b7c34cacaa7d7c7
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--
cf88f9cf40eab54c06bca7f20795352ec23bb583 by Derek Mauro <dmauro@google.com>:
Fixes build with latest glibc
Fixes #952
PiperOrigin-RevId: 371693908
--
99bcd0f4a747ce7a401e23c745adf34d0ec5131b by Samuel Benzaquen <sbenza@google.com>:
Add support for std::string_view in StrFormat even when
absl::string_view != std::string_view.
PiperOrigin-RevId: 371693633
--
e35463572149a6c2d4a0d439b9300ce03fd6b96d by Abseil Team <absl-team@google.com>:
Cmake builds should only install pkg-config when explicitly requested.
PiperOrigin-RevId: 371403419
GitOrigin-RevId: cf88f9cf40eab54c06bca7f20795352ec23bb583
Change-Id: I4360a18c638a4d901ff44ab1e0a9d8f321c302ea
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--
9e0df3dd23da17cd0ff75c93c1493a858032639c by Martijn Vels <mvels@google.com>:
Prep work for changing Cordz instrumentation
Create CordzInfo::TrackCord() and CordzInfo::MaybeTrackCord() methods on InlineData
This follows a suggestion from kfm@ to move where possible Cordz logic out of Cord and Cord::InlineRep, which we can now that InlineData provides us the abstraction of Cords internal data.
PiperOrigin-RevId: 369844310
--
45f39709033bd3bc09fa1a7880a5b3c9eaa617c7 by Abseil Team <absl-team@google.com>:
Fix dependence on C++20 constexpr default construction of std::atomic.
PiperOrigin-RevId: 369745251
--
195ae230963c95068406ab0e73b4e711b5f3cd62 by Martijn Vels <mvels@google.com>:
Reduce the cost of 'SetCordRep()`
This change inlines SetCordRep(), which is currently two stores and a branch, going forward a naked store. AssertHeld is only enforced for debug builds.
The intention here is not to reduce the 'actual' (or 'self') cost of SetCordRep() as it should only be called for sampled cords, but to reduce the cost of a branch and out of line call at the call site. The compiler can now 'perfectly inline' the single branch / store.
PiperOrigin-RevId: 369696265
--
d722199ed69d413994740624159ac7bd001a9219 by Martijn Vels <mvels@google.com>:
Add kDefaultInit initialization
This avoids double store on init
PiperOrigin-RevId: 369655217
--
3499aed79e6cc12ce36277063ec37991bba0cccd by Martijn Vels <mvels@google.com>:
Introduce CordzUpdateScope
PiperOrigin-RevId: 369491326
--
325c1bc99c7d1aeca7bd1273e51a0900b6faf731 by Abseil Team <absl-team@google.com>:
make unary and logical operators constexpr
PiperOrigin-RevId: 369476773
--
ad3bed3dea5e5d7d281ff36ee786f802630c3728 by Martijn Vels <mvels@google.com>:
Add LOCKABLE attribute to CordzInfo
PiperOrigin-RevId: 369476772
GitOrigin-RevId: 9e0df3dd23da17cd0ff75c93c1493a858032639c
Change-Id: I00e2859328fe8da46d2e04d3f07dfe70ec6cb1f5
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--
341670bce317dd6af8d3c066970230591a47e80c by Martijn Vels <mvels@google.com>:
Change GetStack() and GetParentStack() to return absl::Span
PiperOrigin-RevId: 368765721
--
6aaab9536d6957303c7aba100c3afaa6fb0ea2c8 by Martijn Vels <mvels@google.com>:
Remove locking from parent stack.
This change removes the need to lock all access to `parent_stack' by making the 'copy constructor' logic specify the 'copied from' CordzInfo (where available) to the TrackCord function, after which parent_stack is immutable.
PiperOrigin-RevId: 368760630
--
b19e2059cada35a8ede994833018edac94de6ddc by Martijn Vels <mvels@google.com>:
Add cordz instrumentation to Cord
PiperOrigin-RevId: 368746225
--
67b8bbf980f0f4e1db79aa32968e9a715a09b51a by Martijn Vels <mvels@google.com>:
Create ABSL_INTERNAL_CORDZ_ENABLED define controlling when Cordz code is enabled
There are specific builds and condtions under which we don't support cordz sampling, which is per this change represented by ABSL_INTERNAL_CORDZ_ENABLED being defined.
PiperOrigin-RevId: 368731603
--
8cbfe0e3169637a620f4b66ad2bc2ce340879cb0 by Martijn Vels <mvels@google.com>:
Add a `rep` property to CordzInfo to be managed by Cord logic.
This change adds a `rep` property to CordzInfo, which is intended to be used by collection logic.
Mini design:
Cord invokes TrackCord() providing the active 'root' cordrep of the newly sampled Cord, returning a CordzInfo with a weak (uncounted) reference to this root. Cord invokes `SetCordRep()` each time the root cordrep of the sampled Cord is updated while holding `mutex()`. Cord must also obtain `mutex()` _before_ removing a reference on the old root. i.e.: Cord must guarantee that the (weak) reference held in CordzInfo is at all times valid.
CordzInfo collection code can then safely obtain a (reference counted) rep pointer by adding a reference to `rep_` while holding `mutex()`. This requires only a very brief critical section inside CordzInfo logic, minimizing contention with concurrent Cord updates.
Cord code should typically obtain and hold `mutex()` for the entirety of each mutating Cord operation on a sampled cord. As Cord is thread compatible, it never competes on the lock with any other thread. The only possible concurrent access is from Cordz collection code, which should be a relatively rare event.
PiperOrigin-RevId: 368673758
--
1255120dce2bdd6b4205a34a0e555e0b74b6152f by Martijn Vels <mvels@google.com>:
Remove 'depth' from active recorded metrics.
Going forward we do not 'live' record depth (and size), but will observe these at collection time only.
PiperOrigin-RevId: 368636572
--
83e5146e35f221736b49e9f0a8805f8c159a51db by Martijn Vels <mvels@google.com>:
Make cordz targets visible in OSS
PiperOrigin-RevId: 368615010
--
dcb16a4f1239151f0a8c70a8cfeb29dabbd113b8 by Martijn Vels <mvels@google.com>:
Internal cleanup
PiperOrigin-RevId: 368514666
GitOrigin-RevId: 341670bce317dd6af8d3c066970230591a47e80c
Change-Id: I94cecfbbd441eb386f99fc5186c468a7a5538862
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--
5ff0c4b38386ae80b25e9f8d0e1bac07fd7ce92c by Martijn Vels <mvels@google.com>:
Add CordzUpdateTracker class
PiperOrigin-RevId: 368469046
--
4de916b1ba4b5480b4dbe93d28c5eaa110449c66 by Derek Mauro <dmauro@google.com>:
Adds `ABSL_ATTRIBUTE_LIFETIME_BOUND` to `absl::Span`s initializer_list
constructor.
Compilers that support this attribute will emit a warning
if the parameter does not have sufficient lifetime.
For more information, see
https://github.com/abseil/abseil-cpp/blob/b97a1ecda869ca8754d467a56c50275cebfeb328/absl/types/span.h#L209-L248
PiperOrigin-RevId: 368429085
--
bb6669016412bf5afffc02d0818a66dfe1c524cf by Martijn Vels <mvels@google.com>:
Reorganize internal cord code in CMakeLists.txt into cord_internal library
PiperOrigin-RevId: 368423765
--
d1d7fce066172d5fcfa0310c4e27631d895d7e50 by Derek Mauro <dmauro@google.com>:
Internal change
PiperOrigin-RevId: 368346725
GitOrigin-RevId: 5ff0c4b38386ae80b25e9f8d0e1bac07fd7ce92c
Change-Id: Ic4627eab4f0274e400a6d12cde3341fb538de075
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--
51798d2ac9c95ee8955955c5d8d78b4c9592ecf7 by Derek Mauro <dmauro@google.com>:
Correctly install pkgconfig files under CMAKE_INSTALL_LIBDIR
Fixes #931
PiperOrigin-RevId: 366816645
--
fbaad678b54dae70e4cd9f4442b4fef9efb71b30 by Abseil Team <absl-team@google.com>:
Add a kDefaultStatusToStringMode representing the default StatusToStringMode.
PiperOrigin-RevId: 366478305
--
25b4be6a591e8b25338a00be1273cd6cae6b0165 by Evan Brown <ezb@google.com>:
Fix a typo in a comment.
PiperOrigin-RevId: 366464483
--
6add48ed8f633c219f02c6ef8af876f8dbaa9955 by Abseil Team <absl-team@google.com>:
Update comment to mention absl::container_literal::Layout which is what is used instead of gtl::Layout.
PiperOrigin-RevId: 366452345
GitOrigin-RevId: 51798d2ac9c95ee8955955c5d8d78b4c9592ecf7
Change-Id: I8e68bc55d81445b2f6f707943fed9075cd402844
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--
8e75347c10d85112296811be6ef35761744ad9bc by Derek Mauro <dmauro@google.com>:
Big update to LTS release process
* Add create_lts.py script to to the LTS modification
This is simpler than copybara since very few changes are needed
* Use the default installation paths instead of a versioned path.
If a versioned path is needed, this is easy to change on the commandline.
* Make the integration test use the LTS transformed version
* Test both static and dynamic linking (fixes pkg-config dynamic linking)
PiperOrigin-RevId: 363566934
--
e00e971a2de3138861f5e1900201c9cc7788f714 by Laramie Leavitt <lar@google.com>:
Add a non-compile test to absl::BitGenRef for temporaries.
PiperOrigin-RevId: 363437284
--
3685644ec115d99789de32aceb76c32a00756fea by Derek Mauro <dmauro@google.com>:
Make OSS code consistent with internal code by using the forward
declaration of absl::Status that contains ABSL_MUST_USE_RESULT.
PiperOrigin-RevId: 363426906
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b85fec142c3aa3f632fa985f9f8f73a253819723 by Evan Brown <ezb@google.com>:
Move raw_hash_set::infoz_ into raw_hash_set::settings_. This reduces the size of raw_hash_sets by alignof(size_t) bytes when hashtablez is disabled.
PiperOrigin-RevId: 363034264
--
c6fde3b17e5845191eb8b2bfc1760c8bfb9573ff by Mark Barolak <mbar@google.com>:
Internal change
PiperOrigin-RevId: 362990378
--
81713cf964905b43d1cbe32ce5fed97539029625 by Abseil Team <absl-team@google.com>:
Fix typo in comment (execeptions -> exceptions).
PiperOrigin-RevId: 362946191
--
3ee92ca470feca44da417b03ee45a915c6eb5155 by Abseil Team <absl-team@google.com>:
Add absl::FindAndReportLeaks and routes it to the corresponding
__lsan_do_recoverable_leak_check.
PiperOrigin-RevId: 362622199
--
b95b7194b20e02c20d72289fbc79a0d35b82e256 by Abseil Team <absl-team@google.com>:
Add `kWithEverything` to StatusToStringMode
PiperOrigin-RevId: 362595218
--
0a960d96a0014eab7e1c55b479269450ed8e98d7 by Abseil Team <absl-team@google.com>:
Accept e.g. ".__uniq" as a valid clone name. Further, bring the implementation
on par with libiberty's demangler grammar.
Clang introduced option -funique-internal-linkage-names that adds the suffix
".__uniq.[0-9]+" to internal linkage functions to give them a globally unique
identifier. The suffix was designed to work with existing demanglers which do
recognize a "_" along with the alphanumeric string. This change enhances the
demangler to allow "_" with the alphanumeric string.
Please refer to libiberty's cp-demangle.c where function d_clone_suffix
implements the demangling of clone suffixes :
1. '_' is accepted as a valid character with the alphanumeric sequence.
2. The alphanumberic sequence is optional.
3. The digit sequence is optional.
PiperOrigin-RevId: 362557420
--
2ac5ea212c150afd2f58025a5cab8c45d16949c6 by Abseil Team <absl-team@google.com>:
Change variable name 'slots' to 'slot_count' to avoid name-clash with Qt builds.
PiperOrigin-RevId: 362556289
--
934f0f409c9c548716a46363d6e243406fad4028 by Mark Barolak <mbar@google.com>:
Clarify the comment on ABSL_CACHELINE_SIZE to indicate that the macro definition itself shouldn't change, but rather that call sites should change when possible.
This addresses the request for improved documentation in https://github.com/abseil/abseil-cpp/pull/842.
PiperOrigin-RevId: 362354288
GitOrigin-RevId: 8e75347c10d85112296811be6ef35761744ad9bc
Change-Id: I33ec8561d8d645c3353e9d2dd447501d0e1825a7
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--
e2de21d54c02b6419c57c0f4e2a16b608deca260 by Evan Brown <ezb@google.com>:
Remove the InsertEnd benchmark.
This benchmark has significantly different possible behaviors that can result in misleading metrics. Specifically, we can have a case where we are deallocating the last node in the b-tree in the erase and then allocating a new node in the insert call repeatedly, whereas normally, we end up just inserting/erasing a value from the last node. Also, the name of the benchmark is misleading because it involves an erase and an insert, but the name only mentions the insert.
PiperOrigin-RevId: 360930639
--
51f6bb97b9cbdb809c31b77e93ce080ca3cba9ea by Benjamin Barenblat <bbaren@google.com>:
Stop testing with double-double random variables
On POWER, long double is often represented as a pair of doubles added
together (double-double arithmetic). We’ve already special-cased
double-double arithmetic in a number of tests, but compiler
bugs [1, 2, 3] have now triggered both false positives and false
negatives, which suggests testing with double doubles is unlikely to
yield useful signal. Remove the special casing and detect if we’re on a
double-double system; if so, just don’t test long doubles.
[1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99048
[2] https://bugs.llvm.org/show_bug.cgi?id=49131
[3] https://bugs.llvm.org/show_bug.cgi?id=49132
PiperOrigin-RevId: 360793161
--
07fb4d7932c2f5d711c480f759dacb0be60f975e by Abseil Team <absl-team@google.com>:
internal change
PiperOrigin-RevId: 360712825
GitOrigin-RevId: e2de21d54c02b6419c57c0f4e2a16b608deca260
Change-Id: I98389b5a8789dcc8f35abc00c767e909181665f0
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--
4ceae78ecef025a331985958bba12ce12d4d0a68 by Derek Mauro <dmauro@google.com>:
Internal change
PiperOrigin-RevId: 358888936
--
48f69b0b46e2041bb321e8af7374d7e0b45efc25 by Derek Mauro <dmauro@google.com>:
Use the standard CTest mechanism BUILD_TESTING for enabling/disabling tests
in CMake
Fixes #901
PiperOrigin-RevId: 358822190
GitOrigin-RevId: 4ceae78ecef025a331985958bba12ce12d4d0a68
Change-Id: Ib1ca69a42355f2a4cd4c7f5a47184c4fd8441f35
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--
c68f1886f5e8fd90eb0c2d2e68feaf00a7cdacda by CJ Johnson <johnsoncj@google.com>:
Introduce absl::Cleanup to the OSS repo
PiperOrigin-RevId: 354583156
--
17030cf388e10f7eb959e3e566326d1072ce392e by Abseil Team <absl-team@google.com>:
Internal change only
PiperOrigin-RevId: 354574953
--
e979d7236d4f3252e79ddda6739b67a9a326bf6d by CJ Johnson <johnsoncj@google.com>:
Internal change
PiperOrigin-RevId: 354545297
--
7ea02b3783f7f49ef97d86a8f6580a19cc57df14 by Abseil Team <absl-team@google.com>:
Pre-allocate memory for vectors where the size is known.
PiperOrigin-RevId: 354344576
--
9246c7cb11f1d6444f79ebe25acc69a8a9b870e0 by Matt Kulukundis <kfm@google.com>:
Add support for Elbrus 2000 (e2k)
Import of https://github.com/abseil/abseil-cpp/pull/889
PiperOrigin-RevId: 354344013
--
0fc93d359cc1fb307552e917b37b7b2e7eed822f by Abseil Team <absl-team@google.com>:
Integrate CordRepRing logic into cord (but do not enable it)
PiperOrigin-RevId: 354312238
--
eda05622f7da71466723acb33403f783529df24b by Abseil Team <absl-team@google.com>:
Protect ignore diagnostic with "__has_warning".
PiperOrigin-RevId: 354112334
--
47716c5d8fb10efa4fdd801d28bac414c6f8ec32 by Abseil Team <absl-team@google.com>:
Rearrange InlinedVector copy constructor and destructor to treat
a few special cases inline and then tail-call a non-inlined routine
for the rest. In particular, we optimize for empty vectors in both
cases.
Added a couple of benchmarks that copy either an InlVec<int64> or
an InlVec<InlVec<int64>>.
Speed difference:
```
BM_CopyTrivial/0 0.92ns +- 0% 0.47ns +- 0% -48.91% (p=0.000 n=11+12)
BM_CopyTrivial/1 0.92ns +- 0% 1.15ns +- 0% +25.00% (p=0.000 n=10+9)
BM_CopyTrivial/8 8.57ns +- 0% 10.72ns +- 1% +25.16% (p=0.000 n=10+12)
BM_CopyNonTrivial/0 3.21ns +- 0% 0.70ns +- 0% -78.23% (p=0.000 n=12+10)
BM_CopyNonTrivial/1 5.88ns +- 1% 5.51ns +- 0% -6.28% (p=0.000 n=10+8)
BM_CopyNonTrivial/8 21.5ns +- 1% 15.2ns +- 2% -29.23% (p=0.000 n=12+12)
```
Note: the slowdowns are a few cycles which is expected given the procedure
call added in that case. We decided this is a good tradeoff given the code
size reductions and the more significant speedups for empty vectors.
Size difference (as measured by nm):
```
BM_CopyTrivial from 1048 bytes to 326 bytes.
BM_CopyNonTrivial from 749 bytes to 470 bytes.
```
Code size for a large binary drops by ~500KB (from 349415719 to 348906015 348906191).
All of the benchmarks that showed a significant difference:
Ones that improve with this CL:
```
BM_CopyNonTrivial/0 3.21ns +- 0% 0.70ns +- 0% -78.23% (p=0.000 n=12+10)
BM_InlinedVectorFillString/0 0.93ns +- 0% 0.24ns +- 0% -74.19% (p=0.000 n=12+10)
BM_InlinedVectorAssignments/1 10.5ns +- 0% 4.1ns +- 0% -60.64% (p=0.000 n=11+10)
BM_InlinedVectorAssignments/2 10.7ns +- 0% 4.4ns +- 0% -59.08% (p=0.000 n=11+11)
BM_CopyTrivial/0 0.92ns +- 0% 0.47ns +- 0% -48.91% (p=0.000 n=11+12)
BM_CopyNonTrivial/8 21.5ns +- 1% 15.2ns +- 2% -29.23% (p=0.000 n=12+12)
BM_StdVectorEmpty 0.47ns +- 1% 0.35ns +- 0% -24.73% (p=0.000 n=12+12)
BM_StdVectorSize 0.46ns +- 2% 0.35ns +- 0% -24.32% (p=0.000 n=12+12)
BM_SwapElements<LargeCopyableOnly>/0 3.44ns +- 0% 2.76ns +- 1% -19.83% (p=0.000 n=11+11)
BM_InlinedVectorFillRange/256 20.7ns +- 1% 17.8ns +- 0% -14.08% (p=0.000 n=12+9)
BM_CopyNonTrivial/1 5.88ns +- 1% 5.51ns +- 0% -6.28% (p=0.000 n=10+8)
BM_SwapElements<LargeCopyableMovable>/1 4.19ns +- 0% 3.95ns +- 1% -5.63% (p=0.000 n=11+12)
BM_SwapElements<LargeCopyableMovableSwappable>/1 4.18ns +- 0% 3.99ns +- 0% -4.70% (p=0.000 n=9+11)
BM_SwapElements<LargeCopyableMovable>/0 2.41ns +- 0% 2.31ns +- 0% -4.45% (p=0.000 n=12+12)
BM_InlinedVectorFillRange/64 8.25ns +- 0% 8.04ns +- 0% -2.51% (p=0.000 n=12+11)
BM_SwapElements<LargeCopyableOnly>/1 82.4ns +- 0% 81.5ns +- 0% -1.06% (p=0.000 n=12+12)
```
Ones that get worse with this CL:
```
BM_CopyTrivial/1 0.92ns +- 0% 1.15ns +- 0% +25.00% (p=0.000 n=10+9)
BM_CopyTrivial/8 8.57ns +- 0% 10.72ns +- 1% +25.16% (p=0.000 n=10+12)
BM_SwapElements<LargeCopyableMovableSwappable>/512 1.48ns +- 1% 1.66ns +- 1% +11.88% (p=0.000 n=12+12)
BM_InlinedVectorFillString/1 11.5ns +- 0% 12.8ns +- 1% +11.62% (p=0.000 n=12+11)
BM_SwapElements<LargeCopyableMovableSwappable>/64 1.48ns +- 2% 1.66ns +- 1% +11.66% (p=0.000 n=12+11)
BM_SwapElements<LargeCopyableMovableSwappable>/1k 1.48ns +- 1% 1.65ns +- 2% +11.32% (p=0.000 n=12+12)
BM_SwapElements<LargeCopyableMovable>/512 1.48ns +- 2% 1.58ns +- 4% +6.62% (p=0.000 n=11+12)
BM_SwapElements<LargeCopyableMovable>/1k 1.49ns +- 2% 1.58ns +- 3% +6.05% (p=0.000 n=12+12)
BM_SwapElements<LargeCopyableMovable>/64 1.48ns +- 2% 1.57ns +- 4% +6.04% (p=0.000 n=11+12)
BM_InlinedVectorFillRange/1 4.81ns +- 0% 5.05ns +- 0% +4.83% (p=0.000 n=11+11)
BM_InlinedVectorFillString/8 79.4ns +- 1% 83.1ns +- 1% +4.64% (p=0.000 n=10+12)
BM_StdVectorFillString/1 16.3ns +- 0% 16.6ns +- 0% +2.13% (p=0.000 n=11+8)
```
PiperOrigin-RevId: 353906786
--
8e26518b3cec9c598e5e9573c46c3bd1b03a67ef by Abseil Team <absl-team@google.com>:
Internal change
PiperOrigin-RevId: 353737330
--
f206ae0983e58c9904ed8b8f05f9caf564a446be by Matt Kulukundis <kfm@google.com>:
Import of CCTZ from GitHub.
PiperOrigin-RevId: 353682256
GitOrigin-RevId: c68f1886f5e8fd90eb0c2d2e68feaf00a7cdacda
Change-Id: I5790c1036c4f543c701d1039848fabf7ae881ad8
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--
3b43586da865534cf86401d2cae09c65c60b8474 by Abseil Team <absl-team@google.com>:
Introduce CordRepRingReader class
PiperOrigin-RevId: 353070937
--
0bff6e4bcca34fdd1e6610da5fb3c37fd49b2940 by Abseil Team <absl-team@google.com>:
Fix docstring typo "Exmaple" -> "Example"
PiperOrigin-RevId: 352927688
--
1ef4e0a1100cfa7bc9d9e8f155acf0e469348b56 by Abseil Team <absl-team@google.com>:
Refactor tree initialization of ChunkIterator and CordReader
PiperOrigin-RevId: 352916786
--
919c3eb175b87294184a405785eef4fab520d47e by Abseil Team <absl-team@google.com>:
Disable `preserve_most` when compiling with sanitizers.
PiperOrigin-RevId: 352890630
GitOrigin-RevId: 3b43586da865534cf86401d2cae09c65c60b8474
Change-Id: I8a733494b353af69a46862a4019a7f9b40148f49
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--
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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--
dab5caab05d89d03066ef92584660688595a3aaf by Mark Barolak <mbar@google.com>:
Add absl::Status and absl::StatusOr to absl/README.md
Import of https://github.com/abseil/abseil-cpp/pull/863
PiperOrigin-RevId: 347857368
--
1ca3c7a96417cd6e6d62f4dc36fd5ddaa61cfa20 by Chris Kennelly <ckennelly@google.com>:
Leverage integer power-of-2 functions and bit counting library in Abseil.
PiperOrigin-RevId: 347816486
--
e5cbe05879fd65dce7875e2e0105331a1615d89b by Chris Kennelly <ckennelly@google.com>:
Mitigate narrowing warning on MSVC.
If sizeof(x) <= sizeof(uint32_t), no truncation occurs when casting to
uint32_t, but the compiler cannot always determine this.
PiperOrigin-RevId: 347696526
--
079dff64cb175d282d9e22dfb4a522199ffdae2e by Benjamin Barenblat <bbaren@google.com>:
Avoid libgcc -NaN narrowing bug
When testing -NaN parsing, avoid narrowing -NaN from double to float.
This avoids a bug in libgcc
(https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98251).
PiperOrigin-RevId: 347654751
--
2e78a7634865aeef6765e1f447e96cf8d9985059 by Chris Kennelly <ckennelly@google.com>:
Mark popcount helpers as inline.
These are conditionally constexpr, so we need to add inline to cover the
non-constexpr builds to avoid ODR violations.
PiperOrigin-RevId: 347620138
--
437fbb363aea1654179f102dcdd607ec33c1af1e by Chris Kennelly <ckennelly@google.com>:
Use explicit narrowing cast.
This is never invoked in practice, but compilers with -Wimplicit-int-conversion
may trigger when sizeof(T) > sizeof(uint16_t) prior to determining this never
runs.
PiperOrigin-RevId: 347609857
GitOrigin-RevId: dab5caab05d89d03066ef92584660688595a3aaf
Change-Id: I6296ddffe7ec646f8ce121138f21e1e85a2cff4b
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--
0bfa836596a9c787a2f0bdc283011dd1f6810c6e by Benjamin Barenblat <bbaren@google.com>:
Ignore missing CPU frequency on more architectures
Linux on MIPS, PA-RISC, RISC-V, and SystemZ doesn’t expose the nominal
CPU frequency via /sys, so don’t worry if `NominalCPUFrequency` returns
1.0 on those platforms.
Some POWER machines expose the CPU frequency; others do not. Since we
can’t predict which type of machine the tests will run on, simply
disable testing for `NominalCPUFrequency` on POWER.
PiperOrigin-RevId: 347079873
--
492b6834ed4a07cbc3abccd846f7e37d8c556ee5 by Benjamin Barenblat <bbaren@google.com>:
Use ABSL_HAVE_THREAD_LOCAL macro instead of copying code
Reduce code duplication by checking the ABSL_HAVE_THREAD_LOCAL macro
instead of copying code from base/config.h.
PiperOrigin-RevId: 347079561
--
8d656efce4da9cb032094377e58493d98427a536 by Abseil Team <absl-team@google.com>:
Rollback
PiperOrigin-RevId: 347078779
--
221bc69ec6dd7e2777ffcff6942584f979ef6382 by Abseil Team <absl-team@google.com>:
Add flag for 'shallow subcord' feature for experimental ring buffer rollout
There is a potential trade-off of CPU cost vs over-sharing cord data for subcord of large cords. This flag allows making subcords shallow for ringbuffers (with a potential larger waste of referenced source cords), which allows us to make subcord fast for this apps that do no persist (unmodified / plain copied) sub cords.
This change also introduces constants for the default settings, intended to keep the internal cord settings concistent with external flags.
PiperOrigin-RevId: 347053271
--
00a56c24293566734009f6bf2169a83fb37a35ba by Abseil Team <absl-team@google.com>:
Revert the usage of variant<> in Cord iterator and reader.
The introduction of the variant may lead to some missed compiler optimizations.
PiperOrigin-RevId: 347053041
--
c7b7b5ed7e3ab46b1e75b80f1a7de0bda26c8f70 by Chris Kennelly <ckennelly@google.com>:
Release library for integer power-of-2 functions and bit counting.
PiperOrigin-RevId: 347035065
--
5a035c0d9840b251967f9e7039fc6a4e01dd52f3 by Abseil Team <absl-team@google.com>:
Restructure Cord::ChunkIterator for future ring buffer support.
PiperOrigin-RevId: 346890054
GitOrigin-RevId: 0bfa836596a9c787a2f0bdc283011dd1f6810c6e
Change-Id: I3a58e2a44cb4c6f2116c43e2a4ccbc319d3ccecf
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--
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
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--
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
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--
fcedaa5714efab8738446fa21620b827a40a3458 by Derek Mauro <dmauro@google.com>:
Uses Wyhash in the implementation of absl::Hash for hashing sequences
of more than 16 bytes on some platforms.
Due to the per-process randomization of the seed used by absl::Hash, users
should not notice this change, other than possibly getting better performance.
This change only affects platforms where absl::uint128 is implemented
with an intrinsic (and where sizeof(size_t)==8) since Wyhash relies on
fast 128-bit multiplication for speed.
PiperOrigin-RevId: 343956735
--
085e108c760084f19caa21dbeb2118de2be3f8f0 by Abseil Team <absl-team@google.com>:
Internal change for cord ring
PiperOrigin-RevId: 343919274
--
4c333278ad14d6692f203074b902506008ad624a by Jorg Brown <jorg@google.com>:
Minimize strings_internal::StringConstant further, by removing the need for the compiler to instantiate a compile-time class function.
PiperOrigin-RevId: 343878568
--
71c3c8c7b7821b67997e3d5345aaec67f93f266f by Abseil Team <absl-team@google.com>:
Internal change
PiperOrigin-RevId: 343838259
GitOrigin-RevId: fcedaa5714efab8738446fa21620b827a40a3458
Change-Id: Ifb91895a82d11e743acd42fe97ab7fb70712b7df
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--
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
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--
a1b28d83d60f96e14487f093566f12ba07f92732 by Mark Barolak <mbar@google.com>:
Import of CCTZ from GitHub.
PiperOrigin-RevId: 342270204
--
3d99c08b7e2ee23050f64965f09881b54821cdd0 by Mark Barolak <mbar@google.com>:
Fix a Windows DLL breakage that is causing all sub-libraries to be compiled as DLL dependencies instead of stand-alone DLLs.
See https://github.com/abseil/abseil-cpp/issues/796 for the bug report.
Import of https://github.com/abseil/abseil-cpp/pull/797
PiperOrigin-RevId: 341892182
GitOrigin-RevId: a1b28d83d60f96e14487f093566f12ba07f92732
Change-Id: I7d70f07492bfa9b657ec280a4f005c1ee893594c
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--
0e3e8be75b3ab243991c9b28a27623d86e4511e6 by Abseil Team <absl-team@google.com>:
Add constructor overloads with signature (Mutex*, const Condition&) to MutexLock, ReaderMutexLock, WriterMutexLock, ReleasableMutexLock, MaybeMutexLock.
These overloads call Mutex::LockWhen, Mutex::ReaderLockWhen, Mutex::WriterLockWhen.
Using the guard classes with these new constructors replaces both manual LockWhen/Unlock sequences and the less-efficient, but popular current pattern of "absl::MutexLock lock(&mu); mu.Await(cond);".
PiperOrigin-RevId: 339480213
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ff999bc08360f5bd95557147c97b0e7b200fe3a8 by Jorg Brown <jorg@google.com>:
ConvertibleToStringView wastes a lot of cycles initializing members just to reset them immediately after. Only initialize the string storage when needed. This makes StrSplit() 0-30% faster depending on the use case.
PiperOrigin-RevId: 339479046
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0a773bfb8bc141433a41388731357001fdb34881 by Derek Mauro <dmauro@google.com>:
Remove the compiler upgrade fiasco inducing -Weverything -Werror.
Switch to a curated set of warnings that may be expanded in the future.
PiperOrigin-RevId: 339472677
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eab54e3e11b126283d33f64c914b200038d215a4 by Abseil Team <absl-team@google.com>:
Change execute permission to match presence of the shebang
remove execute permission for cmake_common.sh
add execute permission for conanfile.py
PiperOrigin-RevId: 339453550
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7f9726fb605ed20f17f3e221dbce0df03d6904c6 by Abseil Team <absl-team@google.com>:
Internal change
PiperOrigin-RevId: 339385761
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f3210dbee3e8a719cf31706963721722203f90e0 by Derek Mauro <dmauro@google.com>:
Switch clang compiler detection to use to the Bazel supported mechanism
When Abseil launched, we relied on the compiler string "llvm",
which we manually set when we used the automatic crosstool generation
by using the environment variable BAZEL_COMPILER. Today, Bazel detects
clang and automatically sets the compiler string to "clang".
Fixes #732
PiperOrigin-RevId: 339360688
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413211f59e5e671bf5774efa63ab4df185c74248 by Abseil Team <absl-team@google.com>:
Minor comment clarifications and cosmetic tweaks.
PiperOrigin-RevId: 339344301
GitOrigin-RevId: 0e3e8be75b3ab243991c9b28a27623d86e4511e6
Change-Id: Ia5b7224cd3d274c79ec7f5514fef63014f458f0f
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--
d09230db053c544c2dc7fd7d95d1ebe4302071e9 by Abseil Team <absl-team@google.com>:
Move testonly_uses_linear_node_search to BtreeNodePeer
PiperOrigin-RevId: 338210523
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7b11c945dbba7a354103c194877eba240f7f0cbc by Derek Mauro <dmauro@google.com>:
Allow pinning to a GoogleTest commit to make the build reproducible
Allow using a cached copy of the commit to avoid depending on GitHub
PiperOrigin-RevId: 338115715
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8414f496c570a6398744da8324e158b39a2e3d92 by Andy Getzendanner <durandal@google.com>:
Generate a pkg-config file per absl_cc_library.
PiperOrigin-RevId: 337986219
GitOrigin-RevId: d09230db053c544c2dc7fd7d95d1ebe4302071e9
Change-Id: Iae398ab8ad5c0c6833abd01aa5198315f5b6fa99
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--
77c85460dc3c46593b231c5161ac55273bb0c7ef by Abseil Team <absl-team@google.com>:
Support int128 in SimpleAtoi.
PiperOrigin-RevId: 337946262
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0be53049ccf8309650e4e22f23b290e5f75ee828 by Gennadiy Rozental <rogeeff@google.com>:
Update build scripts to use --mount instead of --volume to mount the host data into a container.
This is somewhat more verbose, but more readable and flexible. More importantly this is what docker documentation is recomending to use now.
PiperOrigin-RevId: 337898761
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3bc877f1679fdf61ecbf4365287a0403cfc9b53e by Samuel Benzaquen <sbenza@google.com>:
Add Cord constructor for constinit instances.
PiperOrigin-RevId: 337871148
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8b87701892b9c325e78ad4e8e4f16b785a744622 by Chris Kennelly <ckennelly@google.com>:
Use the address of kSeed, rather than its value.
We initialize kSeed with &kSeed, so these are equivalent, but kSeed requires a
load from memory while &kSeed can be formed as a RIP-relative lea.
PiperOrigin-RevId: 337868415
GitOrigin-RevId: 77c85460dc3c46593b231c5161ac55273bb0c7ef
Change-Id: I3d06c18a123f1be29dad5801e8625952dc41cd95
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--
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
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ed9df42ab2b742386c6692c2bed015374c919d9c by Derek Mauro <dmauro@google.com>:
Fix integer conversion warning
Fixes #814
PiperOrigin-RevId: 336651814
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0ab4c23884e72dce17b67c1eb520f9dbb802565d by Derek Mauro <dmauro@google.com>:
Internal change
PiperOrigin-RevId: 336585378
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eba0e3dccd52a6e91bcff84075bef0affc650b74 by Matt Kulukundis <kfm@google.com>:
Add bitset operations to Futex helper.
PiperOrigin-RevId: 336409368
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8b0709a8b4500bf5f0af4b602d76a298d81645e8 by Abseil Team <absl-team@google.com>:
Fix code indentation in a comment.
PiperOrigin-RevId: 336368167
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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
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264ad9f28f935aad8b6b1437f8bf804fa9104346 by Abseil Team <absl-team@google.com>:
Fix typo in comment on absl::Condition.
PiperOrigin-RevId: 336311680
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b5b808a8c75ca0df7b09eff9a423ec171d80f771 by Derek Mauro <dmauro@google.com>:
Add missing Apache license headers
PiperOrigin-RevId: 336294980
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89446c3a4793df8b95060385cf3e219357c3db1d by Andy Soffer <asoffer@google.com>:
Internal changes
PiperOrigin-RevId: 336287465
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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
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--
23500704dd7c2642fad49f88c07ce41ebaab12e4 by Abseil Team <absl-team@google.com>:
Change fetch_add() to store(1 + load())
As there is only one concurrent writer to the Info struct, we can avoid using
the more expensive fetch_add() function.
PiperOrigin-RevId: 329523785
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79e5018dba2e117ad89b76367165a604b3f24045 by Abseil Team <absl-team@google.com>:
Record rehash count in hashtablez
This will help identify which containers could benefit from a reserve call.
PiperOrigin-RevId: 329510552
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e327e54b805d67556f934fa7f7dc2d4e72fa066a by Abseil Team <absl-team@google.com>:
Fix -Wsign-compare issues.
These lines could theoretically have overflowed in cases of very large stack
traces etc. Very unlikely, but this was causing warnings when built with
-Wsign-compare, which we intend to enable with Chromium.
In none of these three cases is it trivial to switch to a range-based for loop.
PiperOrigin-RevId: 329415195
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08aca2fc75e8b3ad1201849987b64148fe48f283 by Xiaoyi Zhang <zhangxy@google.com>:
Release absl::StatusOr.
PiperOrigin-RevId: 329353348
--
bf4d2a7f8b089e2adf14d32b0e39de0a981005c3 by Xiaoyi Zhang <zhangxy@google.com>:
Internal change
PiperOrigin-RevId: 329337031
--
42fa7d2fb993bbfc344954227cf1eeb801eca065 by Abseil Team <absl-team@google.com>:
Internal change
PiperOrigin-RevId: 329099807
GitOrigin-RevId: 23500704dd7c2642fad49f88c07ce41ebaab12e4
Change-Id: I6713e4ca3bb0ab2ced5e487827ae036ab8ac61f1
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--
0c8282d75798c77733eee6167870bcc6acc0bfc1 by Evan Brown <ezb@google.com>:
Provide mutable access to the key in node handles using std::launder when compiled with C++17 or later.
Also, document why we can't provide mutable access to the key without C++17.
Note: we use Policy::mutable_key() because btree already uses Policy::key() internally to get const key access, and we want to avoid calling std::launder unless we need mutable access to the key.
PiperOrigin-RevId: 326519000
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8018d0c3044400f0a731b0d2d00b606742c98818 by Xiaoyi Zhang <zhangxy@google.com>:
Move `Status` internal symbols from the public header into an internal header file.
PiperOrigin-RevId: 326471847
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87a7644864ba7c003b0611898aaba1b71c840376 by Abseil Team <absl-team@google.com>:
Avoid a costly divide (the division accounts for 10% of the time spent in the function).
When the division is signed, the compiler has to generate a div. When it is unsigned, it can generate a shift: https://godbolt.org/z/vGfTv4. As per the test above the div, we know that the value is unsigned.
PiperOrigin-RevId: 326453275
GitOrigin-RevId: 0c8282d75798c77733eee6167870bcc6acc0bfc1
Change-Id: I0a953558358055ab3dc6a533d8930698509b1195
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--
feb01287934e6824d3a7be58a835e1d0254a353e by Derek Mauro <dmauro@google.com>:
Add a general question template to our issue templates
PiperOrigin-RevId: 326051081
--
cf3c0ab96f179e5396574b0a1dd655d6f48b031c by Derek Mauro <dmauro@google.com>:
Add a bug report issue template
PiperOrigin-RevId: 326026210
--
e67506083474736fee2a98c585383481b6bf6f2f by Xiaoyi Zhang <zhangxy@google.com>:
Internal change
PiperOrigin-RevId: 325885389
--
59c6ad5f6004e8c62ceb28611cbc88cd52b65a16 by Gennadiy Rozental <rogeeff@google.com>:
Internal change
PiperOrigin-RevId: 325836079
GitOrigin-RevId: feb01287934e6824d3a7be58a835e1d0254a353e
Change-Id: I303617dfb5f05aea0bec089c84e2b486f12882b2
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