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29 Commits (f39e6ad4753e06d4a0d6a9bf6310478757479984)
Author | SHA1 | Message | Date |
---|---|---|---|
Leonhard Markert |
ab01e0403a
|
Simplifies the construction of the value returned by GenerateRealFromBits() (#994)
* GenerateRealFromBits: sign is already set If std::is_same<SignedTag, GeneratePositiveTag>::value then sign is already set to zero thanks to: uint_type sign = std::is_same<SignedTag, GenerateNegativeTag>::value ? (static_cast<uint_type>(1) << (kUintBits - 1)) : 0; // <- here So the conditional is unnecessary. * Update generate_real.h Remove extra parenthesis Co-authored-by: Derek Mauro <761129+derekmauro@users.noreply.github.com> |
3 years ago |
Abseil Team | 33541e7510 |
Export of internal Abseil changes
-- c3b926ea986eea9d416ef57ee67a1041b70257fd by Martijn Vels <mvels@google.com>: Remove internal absl_internal_cordz_disabled check. PiperOrigin-RevId: 384225993 -- 2863c56ad5c86dd9c207a796e65d5bc968f77755 by Benjamin Barenblat <bbaren@google.com>: Make randen_slow endian-correct Pay attention to the platform endianness when pulling bytes out of each AES block, and use platform-endian round keys. PiperOrigin-RevId: 383878281 GitOrigin-RevId: c3b926ea986eea9d416ef57ee67a1041b70257fd Change-Id: I0d48f4fd560b3e320260ef05790727756ffead02 |
3 years ago |
Abseil Team | b06e719ee9 |
Export of internal Abseil changes
-- 007ce045d5d38a727ededdb5bf06e64785fd73bd by Martijn Vels <mvels@google.com>: Add `cord_enable_btree` feature flag (default false). PiperOrigin-RevId: 383729939 -- 98e7dc6a0407b0fd7b8713d883cdb3a766e0583d by Benjamin Barenblat <bbaren@google.com>: Eliminate some byte swapping from randen_slow Stop swapping bytes when serializing randen_slow’s Vector128 into and out of memory. Instead, simply index different bytes in the AES round function. This requires byte swapping the te{0..3} lookup tables, but it produces an 8% speedup on my Xeon W-2135. PiperOrigin-RevId: 383689402 -- 180b6bf45049188840d439b16a28e6b968669340 by Evan Brown <ezb@google.com>: Minor simplification in drop_deletes_without_resize() - save probe_offset outside the lambda. Also, add some consts, avoid an auto, and use lambda capture by value instead of reference. I realized that the compiler can already optimize this - https://godbolt.org/z/Wxd9c4TfK, but I think this way makes the code a bit clearer. PiperOrigin-RevId: 383646658 -- 781706a974c4dc1c0abbb6b801fca0550229e883 by Martijn Vels <mvels@google.com>: Change storage to contain 3 bytes. As per the comments in the code, this allows us to utilize all available space in CordRep that may otherwise be 'lost' in padding in derived clases. For the upcoming CordrepBtree class, we want a strong guarantee on having a 64 bytes aligned implementation. PiperOrigin-RevId: 383633963 -- 8fe22ecf92492fa6649938a2215934ebfe01c714 by Derek Mauro <dmauro@google.com>: Remove reference to str_format_arg.h, which no longer exists PiperOrigin-RevId: 383517865 -- 79397f3b18f18c1e2d7aea993b687329d626ce64 by Benjamin Barenblat <bbaren@google.com>: Use absl::uint128 for AES random number generator Replace randen’s internal 128-bit integer struct, u64x2, with absl::uint128. This eliminates some code and improves support for big-endian platforms. PiperOrigin-RevId: 383475671 GitOrigin-RevId: 007ce045d5d38a727ededdb5bf06e64785fd73bd Change-Id: Ia9d9c40de557221f1744fb0d6d4d6ca7ac569070 |
3 years ago |
Abseil Team | 58e042da92 |
Export of internal Abseil changes
-- 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 |
3 years ago |
Abseil Team | 4a23151e7e |
Export of internal Abseil changes
-- f6d1ddef9a38e3fb8492181bf1a7a006b7f2145d by Abseil Team <absl-team@google.com>: Update the implementation of `operator<<` in Status to use `ToString(StatusToStringMode::kWithEverything)` PiperOrigin-RevId: 380740880 -- 5f13b20c4b85c1c6e94b69c74f80f8f3f3941747 by Derek Mauro <dmauro@google.com>: Update Docker images This also disables the Clang/libstdc++/C++20 combo as it seems that the latest libstdc++ is relying on C++20 Concepts to a greater extent than Clang supports. PiperOrigin-RevId: 380714572 -- f8f4dee12cfd02559bf741ad6b06f10ac0c48c73 by Abseil Team <absl-team@google.com>: Fix shadow member warnings in randen_hwaes.cc These happen when attempting to use abseil in github.com/google/benchmark. The project sets -Wshadow. The warning is due to the name of the Vector128 ctor parameter. Using v instead, which I see used elsewhere (e.g. line 290) PiperOrigin-RevId: 380704197 -- 2e1a09e9cb1239485715acb4828d9b4799fcfbb5 by Tom Manshreck <shreck@google.com>: Add more precise documentation for AbslParseFlag declarations in the Time API PiperOrigin-RevId: 380649107 -- 153e5f7a960c03e4161c03737a0ff18ba377ff73 by Evan Brown <ezb@google.com>: Make the number of control bytes a constant. We use a constexpr function because we need to support C++11, which doesn't have inline variables. The motivation is to avoid future bugs where the number changes and we forget to update all the places it's used. This CL should be a no-op. PiperOrigin-RevId: 380253975 GitOrigin-RevId: f6d1ddef9a38e3fb8492181bf1a7a006b7f2145d Change-Id: Id584138f898bf3ebef95fabcf48e41098c4db954 |
4 years ago |
Abseil Team | ed53ad03ab |
Export of internal Abseil changes
-- b2a781121ff72fb485b7e67539d5e4ff1eb66df2 by Gennadiy Rozental <rogeeff@google.com>: Consistently use absl::flat_hash_map instead of std::map in Flags implementation. PiperOrigin-RevId: 377132816 -- 9ab83a154d8f22d51fed0092bf94245b5af1f498 by Derek Mauro <dmauro@google.com>: Workaround for MSAN being unable to see through getentropy(). https://github.com/google/sanitizers/issues/1173 PiperOrigin-RevId: 377097059 -- 8d28e921442d1b246c26f3200f21027557c47657 by Greg Falcon <gfalcon@google.com>: Disable stack_consumption_test in tsan builds. A recent tsan change broke the way this test-only utility was counting stack usage. PiperOrigin-RevId: 377053169 GitOrigin-RevId: b2a781121ff72fb485b7e67539d5e4ff1eb66df2 Change-Id: Ib56356f8128f6c083f32b950091f3a56d9e2cd51 |
4 years ago |
Abseil Team | 702cae1e76 |
Export of internal Abseil changes
-- 2c81c02d2b68303134e777f31921679ab87a2639 by Derek Mauro <dmauro@google.com>: Use getentropy() to get seed material when using glibc >= 2.25 getentropy() uses the getrandom syscall on Linux to avoid file descriptors. It is never interputed (EINTR) and uses the same source as /dev/urandom. https://man7.org/linux/man-pages/man3/getentropy.3.html getrandom has been in the Linux since kernel 3.17 When unavailable (ENOSYS), fallback to /dev/urandom. PiperOrigin-RevId: 376962620 -- 81cd41372a04eda400a2e3be53c239c0dac6bdf3 by Abseil Team <absl-team@google.com>: Make FunctionRef no longer have -Wdeprecated-copy warnings from Clang by defaulting the copy constructor. This is needed because the assignment operator is deleted. Fixes #948 PiperOrigin-RevId: 376928548 GitOrigin-RevId: 2c81c02d2b68303134e777f31921679ab87a2639 Change-Id: I0abb18052ffff5dd1448f0b68edbb668045335f0 |
4 years ago |
Abseil Team | aad2c8a396 |
Export of internal Abseil changes
-- 912c205cf80c4ed24a08000c04263403857b7f75 by Abseil Team <absl-team@google.com>: Internal change PiperOrigin-RevId: 373620391 -- d454f10549d27d7b025d1ce0ef90a0cdec42c361 by Martijn Vels <mvels@google.com>: Add SetCordRepForTesting() helper to CordzInfo PiperOrigin-RevId: 373602832 -- 7a2d7bdd2e60fb51333e81cd71ebd0a4edb60704 by Evan Brown <ezb@google.com>: For StrAppend, make sure to follow exponential growth like std::string::append. PiperOrigin-RevId: 373589332 -- 24397f19bce45133a42feaa7c883009ef9325095 by Greg Falcon <gfalcon@google.com>: Import of CCTZ from GitHub. PiperOrigin-RevId: 373569246 GitOrigin-RevId: 912c205cf80c4ed24a08000c04263403857b7f75 Change-Id: I5444f7ca2c0980685ca5c51596c259b845d69673 |
4 years ago |
Abseil Team | 1ae9b71c47 |
Export of internal Abseil changes
-- ac1df60490c9583e475e22de7adfc40023196fbf by Martijn Vels <mvels@google.com>: Change Cord constructor(string_view) to explicit make_tree and Cordz tracking This CL changes the ctor to use an easier to maintain model where Cord code explicitly invokes Cordz update or new / tree logic, which avoids the ambiguity of the 'branched' InlineRep::set_tree code. This removes the need to equip InlineRep with 'MethodIdentifier' or other necessary call info, and also is a cleaner model: InlineRep is carrying too much code now that should plainly sit in Cord, especially with all internal abstractions having moved to InlineData. See child CL(s) for desired state PiperOrigin-RevId: 369433619 -- b665af7f586e6c679a8b27d4f78d5a1d2b596058 by Abseil Team <absl-team@google.com>: Rename the 'Compare' template type to 'LessThan', as the passed-in function is expected to act like operator<. It is worth avoiding confusion with std::compare, which returns an int (-1/0/1), as due to implicit casting this can lead to hard-to-spot bugs. PiperOrigin-RevId: 369391118 -- c3c775269cad0f4982ec63f3616dd78bb9e52dca by Martijn Vels <mvels@google.com>: Integrate CordzUpdateTracker into CordzInfo PiperOrigin-RevId: 369348824 -- 771d81ed357496c117179e1daec76eba5155932d by Martijn Vels <mvels@google.com>: Replace mutex() with Lock() / Unlock() function Mini design future tracking of CordzInfo sampled cords: CordzInfo holds a CordRep* reference without a reference count. Cord is responsible for synchronizing updates for sampled cords such that the CordRep* contained in CordzInfo is at all times valid. This is done by scoping Lock() and Unlock() calls around the code modifying the code of a sampled cord. For example (using the future CL CordzUpdateScope()): CordzInfo* cordz_info = get_cordz_info(); CordzUpdateScope scope(cordz_info, CordzUpdateTracker::kRemovePrefix); CordRep* rep = RemovePrefixImpl(root); set_tree(rep); if (cordz_info) { cordz_info->SetCordRep(rep); } On CordzInfo::Unlock(), if the internal rep is null, the cord is no longer sampled, and CordzInfo will be deleted. Thus any update resulting in the Cord being inlined will automatically no longer be sampled. PiperOrigin-RevId: 369338802 -- 5563c12df04a1e965a03b50bdd032739c55c0706 by Martijn Vels <mvels@google.com>: Add UpdateTracker to CordzStatistics PiperOrigin-RevId: 369318178 -- 6b4d8463722a3e55a3e8f6cb3741a41055e7f83e by Martijn Vels <mvels@google.com>: Add kClear, kConstructor* and kUnknown values and fix typo PiperOrigin-RevId: 369297163 -- 041adcbc929789d6d53371a8236840fc350e1eeb by Derek Mauro <dmauro@google.com>: Switch from malloc to operator new in pool_urbg.cc so it can only fail by throwing/aborting PiperOrigin-RevId: 369274087 -- 5d97a5f43e3f2d02d0a5bbe586d93b5751812981 by Benjamin Barenblat <bbaren@google.com>: Correct Thumb function bound computation in the symbolizer On 32-bit ARM, all functions are aligned to multiples of two bytes, and the lowest-order bit in a function’s address is ignored by the CPU when computing branch targets. That bit is still present in instructions and ELF symbol tables, though; it’s repurposed to indicate whether the function contains ARM or Thumb code. If the symbolizer doesn’t ignore that bit, it will believe Thumb functions have boundaries that are off by one byte, so instruct the symbolizer to null out the lowest-order bit after retrieving it from the symbol table. PiperOrigin-RevId: 369254082 -- 462bb307c6cc332c1e2c3adb5f0cad51804bf937 by Derek Mauro <dmauro@google.com>: Add a check for malloc failure in pool_urbg.cc GitHub #940 PiperOrigin-RevId: 369238100 GitOrigin-RevId: ac1df60490c9583e475e22de7adfc40023196fbf Change-Id: Ic6ec91c62cd3a0031f6a75a43a83da959ece2d25 |
4 years ago |
Abseil Team | 2e9532cc6c |
Export of internal Abseil changes
-- 5ed5dc9e17c66c298ee31cefc941a46348d8ad34 by Abseil Team <absl-team@google.com>: Fix typo. PiperOrigin-RevId: 362040582 -- ac704b53a49becc42f77e4529d3952f8e7d18ce4 by Abseil Team <absl-team@google.com>: Fix a typo in a comment. PiperOrigin-RevId: 361576641 -- d20ccb27b7e9b53481e9192c1aae5202c06bfcb1 by Derek Mauro <dmauro@google.com>: Remove the inline keyword from functions that aren't defined in the header. This may fix #910. PiperOrigin-RevId: 361551300 -- aed9ae1dffa7b228dcb6ffbeb2fe06a13970c72b by Laramie Leavitt <lar@google.com>: Propagate nice/strict/naggy state on absl::MockingBitGen. Allowing NiceMocks reduces the log spam for un-mocked calls, and it enables nicer setup with ON_CALL, so it is desirable to support it in absl::MockingBitGen. Internally, gmock tracks object "strictness" levels using an internal API; in order to achieve the same results we detect when the MockingBitGen is wrapped in a Nice/Naggy/Strict and wrap the internal implementation MockFunction in the same type. This is achieved by providing overloads to the Call() function, and passing the mock object type down into it's own RegisterMock call, where a compile-time check verifies the state and creates the appropriate mock function. PiperOrigin-RevId: 361233484 -- 96186023fabd13d01d32d60d9c7ac4ead1aeb989 by Abseil Team <absl-team@google.com>: Ensure that trivial types are passed by value rather than reference PiperOrigin-RevId: 361217450 -- e1135944835d27f77e8119b8166d8fb6aa25f906 by Evan Brown <ezb@google.com>: Internal change. PiperOrigin-RevId: 361215882 -- 583fe6c94c1c2ef757ef6e78292a15fbe4030e35 by Evan Brown <ezb@google.com>: Increase the minimum number of slots per node from 3 to 4. We also rename kNodeValues (and related names) to kNodeSlots to make it clear that they are about the number of slots per node rather than the number of values per node - kMinNodeValues keeps the same name because it's actually about the number of values rather than the number of slots. Motivation: I think the expected number of values per node, assuming random insertion order, is the average of the maximum and minimum numbers of values per node (kNodeSlots and kMinNodeValues). For large and/or even kNodeSlots, this is ~75% of kNodeSlots, but for kNodeSlots=3, this is ~67% of kNodeSlots. kMinNodeValues (which corresponds to worst-case occupancy) is ~33% of kNodeSlots, when kNodeSlots=3, compared to 50% for even kNodeSlots. This results in higher memory overhead per value, and since this case (kNodeSlots=3) is used when values are large, it seems worth fixing. PiperOrigin-RevId: 361171495 GitOrigin-RevId: 5ed5dc9e17c66c298ee31cefc941a46348d8ad34 Change-Id: I8e33b5df1f987a77112093821085c410185ab51a |
4 years ago |
Abseil Team | 0b5af594fc |
Export of internal Abseil changes
-- 1a5831c2b4b85e0151b7952e47f4b80827937620 by Laramie Leavitt <lar@google.com>: Implement FuzzingBitGen, an adapter which allows existing randomized tests which use absl::BitGenRef to easily integrate with fuzz testing. I found myself implementing a similar option in our tensorstore project to fuzz test a storage layer and figured that it would be more useful as a common tool with defaults that take the non-random path. This is similar to the FuzzedDataProvider mechanism which generates random values from a fuzz string, and is used to generate fuzz test inputs, and internally it uses FuzzedDataProvider. The basic technique used here is to construct mocking lambdas for all of the absl mock distribution configurations, and forwarding the parameters to fuzzing-specific implementations that call into FuzzedDataProvider. The default paths for the distributions are either the bounds or a median value. PiperOrigin-RevId: 358432715 -- e7968538c5ef5cd0b9822dbeac0f659b5e7d49b3 by Derek Mauro <dmauro@google.com>: Give extern C symbols a unique name when the inline namespace is given. This partially addresses #851 PiperOrigin-RevId: 358403842 GitOrigin-RevId: 1a5831c2b4b85e0151b7952e47f4b80827937620 Change-Id: Id5ca0251498e390a8efa7210a17cc2cabb2c7dd8 |
4 years ago |
Abseil Team | b315753c0b |
Export of internal Abseil changes
-- 2247e59ee5696e61c7cb24dce479db572980032d by Derek Mauro <dmauro@google.com>: Ensure ThreadIdentity::WaiterState data has the correct alignment PiperOrigin-RevId: 357969866 -- 79bb81a2e6723b186536ad4b4f25cd7ee83f3e72 by Laramie Leavitt <lar@google.com>: Rework absl::MockingBitGen internal mock registry. Use a virtual base class with template-specialized derived classes to implement match method rather than taking the address of a function specialization and using casts everywhere. This combines several of the previously type-erased pointers into a single object, eliminates the separate cleanup container previously used, and eliminates some gratuitous static_cast<>s. PiperOrigin-RevId: 357827438 -- a2eb53d002c9b376360a70b2b0f6a18a1de1e16f by Todd Lipcon <tlipcon@google.com>: Reduce runtime of sequence_lock_test PiperOrigin-RevId: 357785571 -- dd1175ff13b560f01c4aaa64bc6759a5300e391c by Abseil Team <absl-team@google.com>: Don't assume that compiling for Windows means that MSVC or clang-cl is being used. PiperOrigin-RevId: 357760052 -- 251a9cbede52e729b3a25911b6e225b779c285a8 by Andy Getzendanner <durandal@google.com>: Internal change. PiperOrigin-RevId: 357702979 GitOrigin-RevId: 2247e59ee5696e61c7cb24dce479db572980032d Change-Id: Icd366d3775d88d623695209b5f328dbd69f01d27 |
4 years ago |
Abseil Team | b343ac3a64 |
Export of internal Abseil changes
-- 684e488495a2d95def9a865569ad5ba7ec89967f by Abseil Team <absl-team@google.com>: Remove references to deleted clang-tidy checks. Tested: TAP --sample ran all affected tests and none failed http://test/OCL:356861384:BASE:356825575:1613005412689:548d66bd PiperOrigin-RevId: 356877726 -- f9d8549cd67866e13bb71b21280ec293684ab43b by Abseil Team <absl-team@google.com>: Add missing closing punctuation to two file-level comments. PiperOrigin-RevId: 356867260 GitOrigin-RevId: 684e488495a2d95def9a865569ad5ba7ec89967f Change-Id: Ibe04878684c20a23b214ee7e5df9c6dd434bc3dc |
4 years ago |
Abseil Team | c36d825d9a |
Export of internal Abseil changes
-- 756156bf03da050e8b27539a8247d9af7e44c6a2 by Abseil Team <absl-team@google.com>: Fix a typo in cord.h: "accomodate" => "accommodate" PiperOrigin-RevId: 356168875 -- 638befdb342b608ec28910ee931ee200fdbe1fef by Samuel Benzaquen <sbenza@google.com>: Fix float conversion for PPC. In PPC `long double` is a double-double representation which behaves weirdly wrt numeric_limits. Don't take `long double` into account when we are not handling `long double` natively anyway. Fix the convert test to always run the conversion even if we are not going to compare against libc's printf result. This allows exercising the code itself to make sure we don't trigger assertions or UB found by sanitizers. PiperOrigin-RevId: 355857729 -- ff5f893319fa76b273c7785b76ef6c95b1791076 by Abseil Team <absl-team@google.com>: Example usage tweak PiperOrigin-RevId: 355695750 -- 0efc454f90023fa651b226e5e3ba7395a3b60c6d by Benjamin Barenblat <bbaren@google.com>: Remove endian-sensitivity from Abseil’s RNG Ensure that the Abseil random number generator produces identical output on both big- and little-endian platforms by byte-swapping appropriately on big-endian systems. PiperOrigin-RevId: 355635051 GitOrigin-RevId: 756156bf03da050e8b27539a8247d9af7e44c6a2 Change-Id: Iaaa69767b8e85d626742b9ba56fefb75f07c69ee |
4 years ago |
Abseil Team | 8a9ef3c5da |
Export of internal Abseil changes
-- b95862447354428f62ae1627cf526e42ca0b7a9d by Christian Blichmann <cblichmann@google.com>: Minor cleanups: * Sorting using declarations * Changing the format of a NOLINT statement PiperOrigin-RevId: 348448885 -- 954a4375fb09267e55dfda345605b9aca54998b0 by Abseil Team <absl-team@google.com>: Enable some more Emscripten tests. Requires setting -s PRINTF_LONG_DOUBLE=1 in a recent build. PiperOrigin-RevId: 348043610 GitOrigin-RevId: b95862447354428f62ae1627cf526e42ca0b7a9d Change-Id: I517c94a5fd0feb9b99823dc8552d28fa598723fe |
4 years ago |
Abseil Team | 1bae23e32b |
Export of internal Abseil changes
-- 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 |
4 years ago |
Abseil Team | 5d8fc91922 |
Export of internal Abseil changes
-- 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 |
4 years ago |
Abseil Team | e9e9b9fc74 |
Export of internal Abseil changes
-- bc21467e5507ca041dcd1162cb524d2a01fd17d6 by Abseil Team <absl-team@google.com>: Fix mistakes in license boilerplate: - randen_detect.cc had a space removed - arg_test.cc had a truncated header PiperOrigin-RevId: 340484448 GitOrigin-RevId: bc21467e5507ca041dcd1162cb524d2a01fd17d6 Change-Id: I654080c9c84f28017384a3f30bcb17d7cf43b881 |
4 years ago |
Abseil Team | 4b2fbb4adb |
Export of internal Abseil changes
-- a5af5874c1c5cc02bd2a748d455321f82b6f2a93 by Andy Getzendanner <durandal@google.com>: fix compile fails with asan and -Wredundant-decls Import of https://github.com/abseil/abseil-cpp/pull/801 PiperOrigin-RevId: 336693223 -- ed9df42ab2b742386c6692c2bed015374c919d9c by Derek Mauro <dmauro@google.com>: Fix integer conversion warning Fixes #814 PiperOrigin-RevId: 336651814 -- 0ab4c23884e72dce17b67c1eb520f9dbb802565d by Derek Mauro <dmauro@google.com>: Internal change PiperOrigin-RevId: 336585378 -- eba0e3dccd52a6e91bcff84075bef0affc650b74 by Matt Kulukundis <kfm@google.com>: Add bitset operations to Futex helper. PiperOrigin-RevId: 336409368 -- 8b0709a8b4500bf5f0af4b602d76a298d81645e8 by Abseil Team <absl-team@google.com>: Fix code indentation in a comment. PiperOrigin-RevId: 336368167 -- bc3961c87a7e7760c10319a5b0349c279f7ae3ad by Samuel Benzaquen <sbenza@google.com>: Improve performance of the registry: - Reduce contention - Reduce memory usage for each flag by `6*sizeof(void*)`. - Replace one immortal allocation per-flag with a single one for all the flags - Slightly improve single-threaded performance by avoiding the std::map indirections. PiperOrigin-RevId: 336365904 -- 264ad9f28f935aad8b6b1437f8bf804fa9104346 by Abseil Team <absl-team@google.com>: Fix typo in comment on absl::Condition. PiperOrigin-RevId: 336311680 -- b5b808a8c75ca0df7b09eff9a423ec171d80f771 by Derek Mauro <dmauro@google.com>: Add missing Apache license headers PiperOrigin-RevId: 336294980 -- 89446c3a4793df8b95060385cf3e219357c3db1d by Andy Soffer <asoffer@google.com>: Internal changes PiperOrigin-RevId: 336287465 -- 57c8be4e294881bc79a6a44b8e4bf7ecbb19b9b9 by Matt Kulukundis <kfm@google.com>: Extract Futex from an implementation detail of Wait to a private interface. PiperOrigin-RevId: 336123209 GitOrigin-RevId: a5af5874c1c5cc02bd2a748d455321f82b6f2a93 Change-Id: Ie5a0ebe28e571814e3e11d4c05ca308523ccf311 |
4 years ago |
Abseil Team | fbf0fdab62 |
Export of internal Abseil changes
-- 9f746b79e16d36dba908ed9e2a586d890fe54acc by Derek Mauro <dmauro@google.com>: Remove the Bazel mirror URL that we use in our WORKSPACE file This doesn't appear to be supported. We use --distdir caching in our tests. PiperOrigin-RevId: 327634738 -- e1f6f54830c415fc8bb8dc14483fae4cf9713d75 by Abseil Team <absl-team@google.com>: Removing comments following license() rules as they are rarely useful, redundant with LICENSE files, and tend to fall out of date. PiperOrigin-RevId: 327504063 -- b59c076638a57a74a3f8475f1dee8b536e32a15f by Gennadiy Rozental <rogeeff@google.com>: Change GetAllFlags API to return a collection of mutable flag handles. This will make this interface on par with FindCommandLineFlag and allow to call CommandLineFlag::ParseFrom on the handle returned by GetAllFlags. PiperOrigin-RevId: 327499084 -- bbf56b3c4a1d908d95e5a52aba38b1984151efff by Gennadiy Rozental <rogeeff@google.com>: Make raw_hash_set compile when AllocTraits::propagate_on_container_swap is false. PiperOrigin-RevId: 327371107 -- 837f62c85ea65c1d6b847a75816198c625fe62ff by Abseil Team <absl-team@google.com>: On macOS, `mem_alloc` is defined like this: rpc/types.h:86:#define mem_alloc(bsize) calloc(1, bsize) So if that file is included before container_memory.h, the variable mem_alloc may never get defined. This is fixed by using a different name. PiperOrigin-RevId: 327360224 -- aa8f5528382c0d01239ce75b645723aaf7e1ef46 by Gennadiy Rozental <rogeeff@google.com>: Release of absl::GetAllFlags API. PiperOrigin-RevId: 327275943 GitOrigin-RevId: 9f746b79e16d36dba908ed9e2a586d890fe54acc Change-Id: I99c5c87dd1712bf8df9a52397b0c1e400a3c3447 |
4 years ago |
Abseil Team | dc969f34a7 |
Export of internal Abseil changes
-- caf65de1a20b1ad286796a9eaee38f8b59e93f3b by Samuel Benzaquen <sbenza@google.com>: Add a benchmark for StrAppend. PiperOrigin-RevId: 327111569 -- 2faa53fb3f4090f9609c7dea8951a82e1d72ce3a by Derek Mauro <dmauro@google.com>: Add the inline namespace to the code generated by gaussian_distribution_gentables A previous changed manually added it to the output PiperOrigin-RevId: 327022780 -- 29edfd86e49e4d7665e843463f8df3c72467e909 by Derek Mauro <dmauro@google.com>: Re-write the logic for detecting which stacktrace implementation to use on Linux. The visible change is to detect the presence of the `<execinfo.h>` header, which allows using the `backtrace`-based implementation when it is available. The logic has been simplified as well. Fixes #746 PiperOrigin-RevId: 326911875 -- ce198204b77aac240e98fc8d5931b17a8b26bac3 by Abseil Team <absl-team@google.com>: Demangle exception spec. PiperOrigin-RevId: 326909460 -- c41b89954545bdc4430d10e785d3ba64a55122d5 by Abseil Team <absl-team@google.com>: Add support for inheriting ctor. PiperOrigin-RevId: 326904919 GitOrigin-RevId: caf65de1a20b1ad286796a9eaee38f8b59e93f3b Change-Id: Ifd28b6a85a032839cbeafd1b16f88046dfd6c1d4 |
4 years ago |
Abseil Team | 1995c6a3c2 |
Export of internal Abseil changes
-- 790f9061df340cd900e8da70e66c363f7af3c2eb by Abseil Team <absl-team@google.com>: Add support for rvalue reference to function types. PiperOrigin-RevId: 324508531 -- 51fe201dbb41a3ebc3d49ff65250b5f464279d43 by Abseil Team <absl-team@google.com>: Cleaning up function comment style; no substantive change. PiperOrigin-RevId: 324497401 -- da8595d5266577d0c170528d12f6de17b8affcc2 by Abseil Team <absl-team@google.com>: Add support for demangling GNU vector types. PiperOrigin-RevId: 324494559 -- 0cb0acf88c1750f6963c9cb85249f9b4f0bd5104 by Abseil Team <absl-team@google.com>: Add support for thread-local types. PiperOrigin-RevId: 324491183 -- c676bc8380560599cd26f7f231e04e6be532e904 by Abseil Team <absl-team@google.com>: Add support for demangling "Du" (char8_t). PiperOrigin-RevId: 324441607 -- b218bf6467bc62b327214782c881e8224ad91509 by Abseil Team <absl-team@google.com>: Update doc comments in header of `any.h` to reflect that `absl::variant` has been released. PiperOrigin-RevId: 324431690 -- e5b579f3f1aa598c1f62e71dba7103b98811de59 by Laramie Leavitt <lar@google.com>: Bugfix: Fix bounds in absl::Uniform where one of the bounds is min/max. When absl::Uniform(rng, tag, a, b) is called, the tag is used in conjunction with the type to determine whether or not to manipulate the bounds to make them inclusive or exclusive through the uniform_*_bound functions. Unfortunately, at limits of the interval the function was not well behaved. The previous implementation used wrapping arithmetic. This causes incorrect bounds computation at the extremes (numeric_limits::min / numeric_limits::max) the bound would wrap. Improve this situation by: 1/ Changing the uniform_*_bound functions to use saturating arithmetic instead of wrapping, thus in the unsigned case, the upper_bound of IntervalOpenOpen for 0 is now 0, rather than numeric_limits::max, likewise for the lower bound. 2/ Adjusting the hi/lo checks in the distributions. When the interval is empty, such as for absl::Uniform(absl::IntervalOpenOpen, gen, 1, 0), the return value is somewhat nonsensical. Now absl::Uniform more consistently returns the low input rather than any adjusted input. In the above case, that means that 1 is returned rather than 2. NOTE: Calls to absl::Uniform where the resolved upper bound is < the lower bound are still ill-formed and should be avoided. 3/ Adding better tests. The underlying uniform_*_distribution classes are not affected. PiperOrigin-RevId: 324240873 GitOrigin-RevId: 790f9061df340cd900e8da70e66c363f7af3c2eb Change-Id: I2a2208650ea3135c575e200b868ce1d275069fc8 |
4 years ago |
jglaser |
ea8a689cf5
|
fix build on P9 (#739)
|
4 years ago |
Rei Shimizu |
302b250e1d
|
Disable pthread for standalone wasm build support (#721)
* Disable pthread for wasm build support * wasm -> wasm32 |
4 years ago |
Abseil Team | d5269a8b6d |
Export of internal Abseil changes
-- 4833151c207fac9f57a735efe6d5db4c83368415 by Gennadiy Rozental <rogeeff@google.com>: Import of CCTZ from GitHub. PiperOrigin-RevId: 320398694 -- a1becb36b223230f0a45f204a5fb33b83d2deffe by Gennadiy Rozental <rogeeff@google.com>: Update CMakeLists.txt Import of https://github.com/abseil/abseil-cpp/pull/737 PiperOrigin-RevId: 320391906 -- b529c45856fe7a3447f1f3259286d57e13b1f292 by Abseil Team <absl-team@google.com>: Improves a comment about use of absl::Condition. PiperOrigin-RevId: 320384329 -- c7b1dacda2739c10dc1ccbfb56b07ed7fe2464a4 by Laramie Leavitt <lar@google.com>: Improve FastUniformBits performance for std::minstd_rand. The rejection algorithm was too pessimistic before, and not in line with the [rand.adapt.ibits]. Specifically, when sampling from an URBG with a non power of 2 range, FastUniformBits constructed a rejection threshold with a power-of-2 range that was too restrictive. For example, minstd_rand has a range of [1, 2147483646], which has a range of 2145386495, or about 30.999 bits. Before FastUniformBits rejected values between 1<<30 and 2145386495, which includes approximately 50% of the generated values. However, since a minimum of 3 calls are required to generate a full 64-bit value from an entropy pool of 30.9 bits, the correct value for rejection sampling is the range value which masks 21 (0x7fe00000) or 22 bits and rejects values greater than that. This reduces the probability of rejecting a sample to about 0.1% NOTE: Abseil random does not guarantee sequence stability over time, and this is expected to change sequences in some cases. PiperOrigin-RevId: 320285836 -- 15800a39557a07dd52e0add66a0ab67aed00590b by Gennadiy Rozental <rogeeff@google.com>: Internal change. PiperOrigin-RevId: 320220913 -- ef39348360873f6d19669755fe0b5d09a945a501 by Gennadiy Rozental <rogeeff@google.com>: Internal change PiperOrigin-RevId: 320181729 -- 4f9f6ef8034a24da1832e4c838c72f80fc2ea062 by Gennadiy Rozental <rogeeff@google.com>: Internal change PiperOrigin-RevId: 320176084 -- 6bfc8008462801657d231585bd5c37fc18bb25b6 by Gennadiy Rozental <rogeeff@google.com>: Internal change PiperOrigin-RevId: 320176070 -- b35b055ab1f41e6056031ff0641cabab23530027 by Abseil Team <absl-team@google.com>: Disabling using header module as well as building one for randen_hwaes_impl PiperOrigin-RevId: 320024299 GitOrigin-RevId: 4833151c207fac9f57a735efe6d5db4c83368415 Change-Id: I9cf102dbf46ed07752a508b7cda3ab3858857d0d |
4 years ago |
Abseil Team | 2c92bdc7c2 |
Export of internal Abseil changes
-- e21e960918678629abf89ad1b694b7d4a456b434 by Greg Falcon <gfalcon@google.com>: Roll back invoke() change due to large increases in compiler memory usage. PiperOrigin-RevId: 315919455 -- f95872e1e1d7afdefbac94f42ea228d42d80eb6e by Greg Falcon <gfalcon@google.com>: Rollback of invoke() changes due to compiler memory usage growth PiperOrigin-RevId: 315911585 -- 6c6c6ba6892016a2ce4703042800254fb9b15727 by Laramie Leavitt <lar@google.com>: Move some of the common mocking code into MockHelpers. Use MockHelpers to do mock signature detection and improve the dispatch mechansim. PiperOrigin-RevId: 315825988 -- 5e9380367d280c7fa6dbd4d0f48c31ade7f1d419 by Greg Falcon <gfalcon@google.com>: Rename the internal implementation details Invoke and InvokeT to `invoke` and `invoke_result_t`, since these are re-implementations of C++17 library entites of the same names. PiperOrigin-RevId: 315790467 GitOrigin-RevId: e21e960918678629abf89ad1b694b7d4a456b434 Change-Id: Ia75011f94cb033c1c9a4cb64cf14d283b91426ac |
5 years ago |
Abseil Team | 1d31b5c365 |
Export of internal Abseil changes
-- 9e8b4a286d70df9487bff080816bd07ae38af5f8 by Evan Brown <ezb@google.com>: Add btree_node::transfer_n/transfer_n_backward and replace usage of uninitialized_move_n and value_destroy_n. PiperOrigin-RevId: 314600027 -- 6c452aa1ee7e46ab941ba7d1fa636da8ea3d7370 by Laramie Leavitt <lar@google.com>: Remove the MockingBitGenBase base class in favor of type-erasure in BitGenRef. In Abseil random, mocking was split across two different classes, MockingBitGenBase and MockingBitGen. This split existed because Google Mock is a test-only library that we don't link into production, so MockingBitGenBase provided a low-overhead scaffold used to lookup mocks when in test code, but which is unused in production code. That has been replaced by type-erasure which looks for a method named CallImpl with the correct signature. Weaken the coupling between MockingBitGen, DistributionCaller, and MockOverloadSet. Rename CallImpl to InvokeMock() Previously, the implementation of DistributionCaller was also split across different files using explicit instantiation of the DistributionCaller struct and some details in the Mocking classes. Now Distribution caller uses the presence of the InvokeMock() method to choose whether to use the mockable call path or the default call path. PiperOrigin-RevId: 314584095 -- 07853c47dc98698d67d65a3b9b662a65ab9def0a by Abseil Team <absl-team@google.com>: Add PC / backtrace / symbolization support for Apple platforms. Full backtrace support requires iOS 9+ PiperOrigin-RevId: 314415072 -- 43889f17a132b31f6558c6482721cbbc776128fd by Gennadiy Rozental <rogeeff@google.com>: Consolidate all reflection interface in the new module 'reflection' and expose interface to locate reflection handle by name. PiperOrigin-RevId: 314390358 GitOrigin-RevId: 9e8b4a286d70df9487bff080816bd07ae38af5f8 Change-Id: I8e0910437740cf9ea9da5000adddfcef127e1158 |
5 years ago |
Abseil Team | 33caf1097e |
Export of internal Abseil changes
-- 7d0468a6610ed85586d5c87fd65de8dac5118923 by Derek Mauro <dmauro@google.com>: Import of CCTZ from GitHub. PiperOrigin-RevId: 313226473 -- 1131ef6d116f5ce7d46537a82f300ea06dcaaa53 by Gennadiy Rozental <rogeeff@google.com>: Migrate internal interface to use mutable references. PiperOrigin-RevId: 312931131 -- 96225212a9f5fbd0b38c71fe65539164992c7c3b by Laramie Leavitt <lar@google.com>: Remove random/internal/distributions.h This file was something of an historical artifact. All of the related code has either been removed or migraged, and so the only remaining type belongs with uniform_helper.h, as it is used to infer the return type of the absl::Uniform method in a few cases. PiperOrigin-RevId: 312878173 -- 6dcbd5be58ad425e08740ff64088373ee7fe4a72 by Mark Barolak <mbar@google.com>: Release the StrFormat test case for Cords to open source. PiperOrigin-RevId: 312707974 -- 34484d18dfb63a0a7ad6e2aaeb570e33592968be by Abseil Team <absl-team@google.com>: Let Cord::Cord(string&&), Cord::operator=(string&&), Cord::Append(string&&), and Cord::Prepend(string&&) steal string data and embed it into the Cord as a single external chunk, instead of copying it into flat chunks (at most 4083-byte each). Stealing string data is faster, but it creates a long chunk, which leads to a higher more memory usage if its subcords are created and outlive the whole Cord. These functions revert to copying the data if any of the following conditions holds: - string size is at most kMaxBytesToCopy (511), to avoid the overhead of an external chunk for short strings; - less than half of string capacity is used, to avoid pinning to much unused memory. PiperOrigin-RevId: 312683785 GitOrigin-RevId: 7d0468a6610ed85586d5c87fd65de8dac5118923 Change-Id: If79b5a1dfe6d53a8ddddbc7da84338f11fc4cfa3 |
5 years ago |
Abseil Team | 768eb2ca28 |
Export of internal Abseil changes
-- f012012ef78234a6a4585321b67d7b7c92ebc266 by Laramie Leavitt <lar@google.com>: Slight restructuring of absl/random/internal randen implementation. Convert round-keys.inc into randen_round_keys.cc file. Consistently use a 128-bit pointer type for internal method parameters. This allows simpler pointer arithmetic in C++ & permits removal of some constants and casts. Remove some redundancy in comments & constexpr variables. Specifically, all references to Randen algorithm parameters use RandenTraits; duplication in RandenSlow removed. PiperOrigin-RevId: 312190313 -- dc8b42e054046741e9ed65335bfdface997c6063 by Abseil Team <absl-team@google.com>: Internal change. PiperOrigin-RevId: 312167304 -- f13d248fafaf206492c1362c3574031aea3abaf7 by Matthew Brown <matthewbr@google.com>: Cleanup StrFormat extensions a little. PiperOrigin-RevId: 312166336 -- 9d9117589667afe2332bb7ad42bc967ca7c54502 by Derek Mauro <dmauro@google.com>: Internal change PiperOrigin-RevId: 312105213 -- 9a12b9b3aa0e59b8ee6cf9408ed0029045543a9b by Abseil Team <absl-team@google.com>: Complete IGNORE_TYPE macro renaming. PiperOrigin-RevId: 311999699 -- 64756f20d61021d999bd0d4c15e9ad3857382f57 by Gennadiy Rozental <rogeeff@google.com>: Switch to fixed bytes specific default value. This fixes the Abseil Flags for big endian platforms. PiperOrigin-RevId: 311844448 -- bdbe6b5b29791dbc3816ada1828458b3010ff1e9 by Laramie Leavitt <lar@google.com>: Change many distribution tests to use pcg_engine as a deterministic source of entropy. It's reasonable to test that the BitGen itself has good entropy, however when testing the cross product of all random distributions x all the architecture variations x all submitted changes results in a large number of tests. In order to account for these failures while still using good entropy requires that our allowed sigma need to account for all of these independent tests. Our current sigma values are too restrictive, and we see a lot of failures, so we have to either relax the sigma values or convert some of the statistical tests to use deterministic values. This changelist does the latter. PiperOrigin-RevId: 311840096 GitOrigin-RevId: f012012ef78234a6a4585321b67d7b7c92ebc266 Change-Id: Ic84886f38ff30d7d72c126e9b63c9a61eb729a1a |
5 years ago |