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8bdb2020150ed0fd4a4e520e454dc5f54e33f776 by Eric Fiselier <ericwf@google.com>:
Workaround bug in GCC 9.2 and after.
PiperOrigin-RevId: 291982551
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47ff4820e595f96c082a90d733725f6882d83e3b by Abseil Team <absl-team@google.com>:
Improve ABSL_ATTRIBUTE_PACKED documentation
Recommend to apply ABSL_ATTRIBUTE_PACKED to structure members instead of to an entire structure because applying this attribute to an entire structure may cause the compiler to generate suboptimal code. It reduces the alignment of the data structure from a value larger than one to one. When applied to a structure, ABSL_ATTRIBUTE_PACKED reduces the alignment of a structure (alignof()) to 1. As a result, the compiler can no longer assume that e.g. uint32 members are aligned on a four byte boundary and hence is forced to use single-byte load and store instructions on CPU architectures that do not support non-aligned loads or stores.
PiperOrigin-RevId: 291977920
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902b7a86f860da699d3a2e5c738be5ef73ede3b4 by Mark Barolak <mbar@google.com>:
Internal change
PiperOrigin-RevId: 291963048
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bb3bd3247e376d53a3080b105f13ec7566d3ae50 by Abseil Team <absl-team@google.com>:
Support the C++17 insert_or_assign() API in btree_map.
PiperOrigin-RevId: 291945474
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ff3b3cfcbbc64f086f95501f48d49426bcde356f by Gennadiy Rozental <rogeeff@google.com>:
Import of CCTZ from GitHub.
PiperOrigin-RevId: 291861110
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fd465cd9cbbacd3962f67a7346d6462edaddd809 by Derek Mauro <dmauro@google.com>:
Add flaky=1 to beta_distribution_test.
PiperOrigin-RevId: 291757364
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3603adfb59c4128c542b670952cce250d59e1f67 by Derek Mauro <dmauro@google.com>:
Separate the initialization of NumCPUs() and NominalCPUFrequency()
The OSS version of Abseil never needs to call NominalCPUFrequency().
In some configurations, initializing NominalCPUFrequency() requires
spending at least 3ms measuring the CPU frequency. By separating the
initialization from NumCPUs(), which is called in most configurations,
we can save at least 3ms of program startup time.
PiperOrigin-RevId: 291737273
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bea9e4a6bff5a0351d340deab966641867e08c4d by Abseil Team <absl-team@google.com>:
Change the cmake library names not to have a redundant `absl_` prefix.
PiperOrigin-RevId: 291640501
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501b602ef260cd7c8c527342581ceffb3c5b6d4c by Gennadiy Rozental <rogeeff@google.com>:
Introducing benchmark for absl::GetFlag.
PiperOrigin-RevId: 291433394
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4eeaddc788da4b91c272a8adca77ca6dbbbc1d44 by Xiaoyi Zhang <zhangxy@google.com>:
fix: Add support for more ARM processors detection
Import of https://github.com/abseil/abseil-cpp/pull/608
PiperOrigin-RevId: 291420397
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a3087a8e883c5d71de7d9bd4ec8f4db5142dfcf5 by Derek Mauro <dmauro@google.com>:
Removes the flaky raw_hash_set prefetch test
PiperOrigin-RevId: 291197079
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aad6c2121c102ac36216e771c83227cf3e3bfd66 by Andy Soffer <asoffer@google.com>:
Enable building Abseil as a DLL.
This is currently experimental and unsupported.
This CL does a few things:
1. Adds the ABSL_DLL macro to any class holding a static data member, or to global constants in headers.
2. Adds a whitelist of all files in the DLL and all the build targets that are conglomerated into the DLL.
3. When BUILD_SHARED_LIBS is specified, any build target that would be in the DLL still exists, but we swap out all of it's dependencies so it just depends on abseil_dll
PiperOrigin-RevId: 291192055
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5e888cd6f2a7722805d41f872108a03a84e421c7 by Mark Barolak <mbar@google.com>:
Move absl/strings/internal/escaping.{cc,h} into internal build targets.
This puts absl/strings/internal/escaping.h behind a whitelist and it also resolves https://github.com/abseil/abseil-cpp/issues/604.
PiperOrigin-RevId: 291173320
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166836d24970da87587c1728036f53f05a28f0af by Eric Fiselier <ericwf@google.com>:
Internal Change.
PiperOrigin-RevId: 291012718
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996ddb3dffda02440fa93f30ca5d71b14b688875 by Abseil Team <absl-team@google.com>:
Fix shared libraries log spam for built-in types in absl::GetFlag
PiperOrigin-RevId: 290772743
GitOrigin-RevId: 8bdb2020150ed0fd4a4e520e454dc5f54e33f776
Change-Id: I8bf2265dd14ebbace220a1b6b982bb5040ad2a26
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c99f979ad34f155fbeeea69b88bdc7458d89a21c by Derek Mauro <dmauro@google.com>:
Remove a floating point division by zero test.
This isn't testing behavior related to the library, and MSVC warns
about it in opt mode.
PiperOrigin-RevId: 285220804
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68b015491f0dbf1ab547994673281abd1f34cd4b by Gennadiy Rozental <rogeeff@google.com>:
This CL introduces following changes to the class FlagImpl:
* We eliminate the CommandLineFlagLocks struct. Instead callback guard and callback function are combined into a single CallbackData struct, while primary data lock is stored separately.
* CallbackData member of class FlagImpl is initially set to be nullptr and is only allocated and initialized when a flag's callback is being set. For most flags we do not pay for the extra space and extra absl::Mutex now.
* Primary data guard is stored in data_guard_ data member. This is a properly aligned character buffer of necessary size. During initialization of the flag we construct absl::Mutex in this space using placement new call.
* We now avoid extra value copy after successful attempt to parse value out of string. Instead we swap flag's current value with tentative value we just produced.
PiperOrigin-RevId: 285132636
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ed45d118fb818969eb13094cf7827c885dfc562c by Tom Manshreck <shreck@google.com>:
Change null-term* (and nul-term*) to NUL-term* in comments
PiperOrigin-RevId: 285036610
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729619017944db895ce8d6d29c1995aa2e5628a5 by Derek Mauro <dmauro@google.com>:
Use the Posix implementation of thread identity on MinGW.
Some versions of MinGW suffer from thread_local bugs.
PiperOrigin-RevId: 285022920
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39a25493503c76885bc3254c28f66a251c5b5bb0 by Greg Falcon <gfalcon@google.com>:
Implementation detail change.
Add further ABSL_NAMESPACE_BEGIN and _END annotation macros to files in Abseil.
PiperOrigin-RevId: 285012012
GitOrigin-RevId: c99f979ad34f155fbeeea69b88bdc7458d89a21c
Change-Id: I4c85d3704e45d11a9ac50d562f39640a6adbedc1
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e54b9c7bbb0c58475676c268e2e19c69f4bce48a by Jorg Brown <jorg@google.com>:
Tweak ABSL_PREDICT_TRUE slightly, for better code on some platforms and/or
optimization levels. "false || (x)" is more verbose than "!!(x)", but
ultimately more efficient.
For example, given this code:
void InitIfNecessary() {
if (ABSL_PREDICT_TRUE(NeedsInit())) {
SlowInitIfNecessary();
}
}
Clang with default optimization level will produce:
Before this CL After this CL
InitIfNecessary: InitIfNecessary:
push rbp push rbp
mov rbp, rsp mov rbp, rsp
call NeedsInit call NeedsInit
xor al, -1
xor al, -1
test al, 1 test al, 1
jne .LBB2_1 jne .LBB3_1
jmp .LBB2_2 jmp .LBB3_2
.LBB2_1: .LBB3_1:
call SlowInitIfNecessary call SlowInitIfNecessary
.LBB2_2: .LBB3_2:
pop rbp pop rbp
ret ret
PiperOrigin-RevId: 276401386
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0a3c4dfd8342bf2b1b11a87f1c662c883f73cab7 by Abseil Team <absl-team@google.com>:
Fix comment nit: sem_open => sem_init.
The code calls sem_init, not sem_open, to initialize an unnamed semaphore.
(sem_open creates or opens a named semaphore.)
PiperOrigin-RevId: 276344072
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b36a664e9459057509a90e83d3482e1d3a4c44c7 by Abseil Team <absl-team@google.com>:
Fix typo in flat_hash_map.h: exchaged -> exchanged
PiperOrigin-RevId: 276295792
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7bbd8d18276eb110c8335743e35fceb662ddf3d6 by Samuel Benzaquen <sbenza@google.com>:
Add assertions to verify use of iterators.
PiperOrigin-RevId: 276283300
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677398a8ffcb1f59182cffe57a4fe7ff147a0404 by Laramie Leavitt <lar@google.com>:
Migrate distribution_impl.h/cc to generate_real.h/cc.
Combine the methods RandU64To<Float,Double> into a single method:
GenerateRealFromBits().
Remove rejection sampling from absl::uniform_real_distribution.
PiperOrigin-RevId: 276158675
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c60c9d11d24b0c546329d998e78e15a84b3153f5 by Abseil Team <absl-team@google.com>:
Internal change
PiperOrigin-RevId: 276126962
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4c840cab6a8d86efa29b397cafaf7520eece68cc by Andy Soffer <asoffer@google.com>:
Update CMakeLists.txt to address https://github.com/abseil/abseil-cpp/issues/365.
This does not cover every platform, but it does at least address the
first-order issue of assuming gcc implies x86.
PiperOrigin-RevId: 276116253
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98da366e6b5d51afe5d7ac6722126aca23d85ee6 by Abseil Team <absl-team@google.com>:
Internal change
PiperOrigin-RevId: 276097452
GitOrigin-RevId: e54b9c7bbb0c58475676c268e2e19c69f4bce48a
Change-Id: I02d84454bb71ab21ad3d39650acf6cc6e36f58d7
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7a6ff16a85beb730c172d5d25cf1b5e1be885c56 by Laramie Leavitt <lar@google.com>:
Internal change.
PiperOrigin-RevId: 254454546
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ff8f9bafaefc26d451f576ea4a06d150aed63f6f by Andy Soffer <asoffer@google.com>:
Internal changes
PiperOrigin-RevId: 254451562
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deefc5b651b479ce36f0b4ef203e119c0c8936f2 by CJ Johnson <johnsoncj@google.com>:
Account for subtracting unsigned values from the size of InlinedVector
PiperOrigin-RevId: 254450625
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3c677316a27bcadc17e41957c809ca472d5fef14 by Andy Soffer <asoffer@google.com>:
Add C++17's std::make_from_tuple to absl/utility/utility.h
PiperOrigin-RevId: 254411573
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4ee3536a918830eeec402a28fc31a62c7c90b940 by CJ Johnson <johnsoncj@google.com>:
Adds benchmark for the rest of the InlinedVector public API
PiperOrigin-RevId: 254408378
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e5a21a00700ee83498ff1efbf649169756463ee4 by CJ Johnson <johnsoncj@google.com>:
Updates the definition of InlinedVector::shrink_to_fit() to be exception safe and adds exception safety tests for it.
PiperOrigin-RevId: 254401387
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2ea82e72b86d82d78b4e4712a63a55981b53c64b by Laramie Leavitt <lar@google.com>:
Use absl::InsecureBitGen in place of std::mt19937
in tests absl/random/...distribution_test.cc
PiperOrigin-RevId: 254289444
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fa099e02c413a7ffda732415e8105cad26a90337 by Andy Soffer <asoffer@google.com>:
Internal changes
PiperOrigin-RevId: 254286334
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ce34b7f36933b30cfa35b9c9a5697a792b5666e4 by Andy Soffer <asoffer@google.com>:
Internal changes
PiperOrigin-RevId: 254273059
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6f9c473da7c2090c2e85a37c5f00622e8a912a89 by Jorg Brown <jorg@google.com>:
Change absl::container_internal::CompressedTuple to instantiate its
internal Storage class with the name of the type it's holding, rather
than the name of the Tuple. This is not an externally-visible change,
other than less compiler memory is used and less debug information is
generated.
PiperOrigin-RevId: 254269285
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8bd3c186bf2fc0c55d8a2dd6f28a5327502c9fba by Andy Soffer <asoffer@google.com>:
Adding short-hand IntervalClosed for IntervalClosedClosed and IntervalOpen for
IntervalOpenOpen.
PiperOrigin-RevId: 254252419
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ea957f99b6a04fccd42aa05605605f3b44b1ecfd by Abseil Team <absl-team@google.com>:
Do not directly use __SIZEOF_INT128__.
In order to avoid linker errors when building with clang-cl (__fixunsdfti, __udivti3 and __fixunssfti are undefined), this CL uses ABSL_HAVE_INTRINSIC_INT128 which is not defined for clang-cl.
PiperOrigin-RevId: 254250739
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89ab385cd26b34d64130bce856253aaba96d2345 by Andy Soffer <asoffer@google.com>:
Internal changes
PiperOrigin-RevId: 254242321
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cffc793d93eca6d6bdf7de733847b6ab4a255ae9 by CJ Johnson <johnsoncj@google.com>:
Adds benchmark for InlinedVector::reserve(size_type)
PiperOrigin-RevId: 254199226
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c90c7a9fa3c8f0c9d5114036979548b055ea2f2a by Gennadiy Rozental <rogeeff@google.com>:
Import of CCTZ from GitHub.
PiperOrigin-RevId: 254072387
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c4c388beae016c9570ab54ffa1d52660e4a85b7b by Laramie Leavitt <lar@google.com>:
Internal cleanup.
PiperOrigin-RevId: 254062381
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d3c992e221cc74e5372d0c8fa410170b6a43c062 by Tom Manshreck <shreck@google.com>:
Update distributions.h to Abseil standards
PiperOrigin-RevId: 254054946
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d15ad0035c34ef11b14fadc5a4a2d3ec415f5518 by CJ Johnson <johnsoncj@google.com>:
Removes functions with only one caller from the implementation details of InlinedVector by manually inlining the definitions
PiperOrigin-RevId: 254005427
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2f37e807efc3a8ef1f4b539bdd379917d4151520 by Andy Soffer <asoffer@google.com>:
Initial release of Abseil Random
PiperOrigin-RevId: 253999861
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24ed1694b6430791d781ed533a8f8ccf6cac5856 by CJ Johnson <johnsoncj@google.com>:
Updates the definition of InlinedVector::assign(...)/InlinedVector::operator=(...) to new, exception-safe implementations with exception safety tests to boot
PiperOrigin-RevId: 253993691
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5613d95f5a7e34a535cfaeadce801441e990843e by CJ Johnson <johnsoncj@google.com>:
Adds benchmarks for InlinedVector::shrink_to_fit()
PiperOrigin-RevId: 253989647
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2a96ddfdac40bbb8cb6a7f1aeab90917067c6e63 by Abseil Team <absl-team@google.com>:
Initial release of Abseil Random
PiperOrigin-RevId: 253927497
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bf1aff8fc9ffa921ad74643e9525ecf25b0d8dc1 by Andy Soffer <asoffer@google.com>:
Initial release of Abseil Random
PiperOrigin-RevId: 253920512
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bfc03f4a3dcda3cf3a4b84bdb84cda24e3394f41 by Laramie Leavitt <lar@google.com>:
Internal change.
PiperOrigin-RevId: 253886486
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05036cfcc078ca7c5f581a00dfb0daed568cbb69 by Eric Fiselier <ericwf@google.com>:
Don't include `winsock2.h` because it drags in `windows.h` and friends,
and they define awful macros like OPAQUE, ERROR, and more. This has the
potential to break abseil users.
Instead we only forward declare `timeval` and require Windows users
include `winsock2.h` themselves. This is both inconsistent and poor QoI, but so
including 'windows.h' is bad too.
PiperOrigin-RevId: 253852615
GitOrigin-RevId: 7a6ff16a85beb730c172d5d25cf1b5e1be885c56
Change-Id: Icd6aff87da26f29ec8915da856f051129987cef6
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