Commit graph

8 commits

Author SHA1 Message Date
nik7273
38b704384c Changed HTTP URLs to HTTPS where possible (#270) 2019-03-08 10:27:53 -05:00
Abseil Team
93d155bc44 Export of internal Abseil changes.
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3d20ce6cd6541579abecaba169d4b8716d511272 by Jon Cohen <cohenjon@google.com>:

Only use LSAN for clang version >= 3.5.  This should fix https://github.com/abseil/abseil-cpp/issues/244

PiperOrigin-RevId: 234675129

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e15bd4ec7a81aa95cc3d09fa1e0e81d58ae478fb by Conrad Parker <conradparker@google.com>:

Fix errors in apply() sample code

The following changes are made:
 * Make the example method public.
 * Give the two user functions different names to avoid confusion about
   whether apply() can select the correct overload of a function based
   on its tuple argument (it can't).
 * Pass tuple2 to the second example apply() invocation, instead of
   passing its contents individually.
 * Fix a s/tuple/tuple3/ typo in the third example apply() invocation.

PiperOrigin-RevId: 234223407

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de0ed71e21bc76ddf9fe715fdbaef74cd0df95c7 by Abseil Team <absl-team@google.com>:

First test if a macro is defined to avoid -Wundef.

ABSL clients may need to compile their code with the -Wundef warning
flag. It will be helpful if ABSL header files can be compiled without
the -Wundef warning.

How to avoid the -Wundef warning: If a macro may be undefined, we need
to first test whether the macro is defined before testing its value. We
can't rely on the C preprocessor rule that an undefined macro has the
value 0L.

PiperOrigin-RevId: 234201123

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fa484ad7dae0cac21140a96662809ecb0ec8eb5d by Abseil Team <absl-team@google.com>:

Internal change.

PiperOrigin-RevId: 234185697

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d69b1baef681e27954b065375ecf9c2320463b2b by Samuel Benzaquen <sbenza@google.com>:

Mix pointers more thoroughly.
Some pointer alignments interact badly with the mixing constant. By mixing twice we reduce this problem.

PiperOrigin-RevId: 234178401

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1041d0e474610f3a8fea0db90958857327d6da1c by Samuel Benzaquen <sbenza@google.com>:

Record rehashes in the hashtablez struct.
Only recording the probe length on insertion causes a huge overestimation of
the total probe length at any given time.

With natural growth, elements are inserted when the load factor is between
(max load/2, max load). However, after a rehash the majority of elements are
actually inserted when the load factor is less than max/2 and have a much lower
average probe length.

Also reset some values when the table is cleared.

PiperOrigin-RevId: 234013580

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299205caf3c89c47339f7409bc831746602cea84 by Mark Barolak <mbar@google.com>:

Fix a sample code snippet that assumes `absl::string_view::const_iterator` is `const char*`.  This is generally true, however in C++17 builds, absl::string_view is an alias for std::string_view and on MSVC, the std::string_view::const_iterator is an object instead of just a pointer.

PiperOrigin-RevId: 233844595

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af6c6370cf51a1e6c1469c79dfb2a486a4009136 by Abseil Team <absl-team@google.com>:

Internal change.

PiperOrigin-RevId: 233773470

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6e59e4b8e2bb6101b448f0f32b0bea81fe399ccf by Abseil Team <absl-team@google.com>:

fix typo in {Starts|Ends}WithIgnoreCase comment in match.h

PiperOrigin-RevId: 233662951
GitOrigin-RevId: 3d20ce6cd6541579abecaba169d4b8716d511272
Change-Id: Ib9a29b1c38c6aedf5d9f3f7f00596e8d30e864dd
2019-02-20 18:02:20 -05:00
Abseil Team
926bfeb9ff Export of internal Abseil changes.
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008301e65c323ea0b78e4a92221bf43f7f01e358 by Abseil Team <absl-team@google.com>:

Add k...Pad17 through 20 PadSpec enum values.

PiperOrigin-RevId: 223371590

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ad0580b0a215257044e090181630793b7e5e9ab0 by Jon Cohen <cohenjon@google.com>:

Make the table in the prefetch check not fit in L2 cache.  This should help deflake the test.

PiperOrigin-RevId: 223224646

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77c76690626b89944946d01da5e3428b763103e8 by Abseil Team <absl-team@google.com>:

Fixed typo in container by replacing asbl::Hash with absl::Hash.

PiperOrigin-RevId: 223083789
GitOrigin-RevId: 008301e65c323ea0b78e4a92221bf43f7f01e358
Change-Id: I81399f09cd82fbb27bcfec4c1517bb5d2fd07f3b
2018-11-29 15:52:29 -05:00
Abseil Team
7b46e1d31a Export of internal Abseil changes.
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07575526242a8e1275ac4223a3d2822795f46569 by CJ Johnson <johnsoncj@google.com>:

Comment cleanup on InlinedVector

PiperOrigin-RevId: 221322176

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49a5e643f85e34d53c41f5e6cc33357c55c9115d by Matt Kulukundis <kfm@google.com>:

Internal cleanup

PiperOrigin-RevId: 221309185

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bb35be87ec9c74244b7d902e7e7d2d33ab139d76 by Abseil Team <absl-team@google.com>:

Fix typo in comment.

PiperOrigin-RevId: 221145354

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afd4d7c106919708004e06aeea068a57c28aec44 by Derek Mauro <dmauro@google.com>:

Update the debugging log message in CallOnceImpl()

PiperOrigin-RevId: 221103254

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0b9dace8b88113777bf26a6d38f9bc0bcaf053a1 by Abseil Team <absl-team@google.com>:

Workaround an MSVC 2015 bug in compile-time initialization.

PiperOrigin-RevId: 220871483

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ea0a3854511ed26beab827e5a5113766b334db86 by Marek Gilbert <mcg@google.com>:

Fix ABSL_HAVE_THREAD_LOCAL when compiling for iOS 8 with Xcode 10.

Xcode 10 has moved the check for thread_local to a link time, so
clang reports __has_feature(cxx_thread_local) but then linking fails
with messages like this:

ld: targeted OS version does not support use of thread local variables
PiperOrigin-RevId: 220815885

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485b6876c158c3dcf37eb32d7e512242d5d4ecc6 by Greg Falcon <gfalcon@google.com>:

Make the absl::c_set_xxxx() algorithms refuse to compile when passed an unordered collection from std:: or absl::.

These algorithms operate on sorted sequences; passing an unordered container to them is nearly certainly a bug.  This change is technically an API break, but it only breaks incorrect code.

We could try to be more clever and detect unordered collections from other libraries, but false positives will break legal code, and this would constitute an API break Abseil cannot afford.

PiperOrigin-RevId: 220794190

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c47cff7f9cc70a4c1604eee0131af552f40e46d6 by Jon Cohen <cohenjon@google.com>:

MSVC 2017's STL throws a Structured Exception (not a C++ exception, essentially equivalent to SIGSEGV) when variant::emplace calls a throwing constructor when using the debug multithreaded MSVC runtime DLL.  This manifests in dbg mode in Bazel builds.  Disable tests which trigger this bug.

It's impossible to specifically pull out MSVC 2017 -dbg modes because there's no way for Bazel to know when version of MSVC is being used -- you tell Bazel the directory where the MSVC tools live, not which version of MSVC tools to use.  Thus the best we can do is switch on _DEBUG, which is set whenever the debug runtime is selected with the /MDd build flag, as in Bazel -dbg modes.  See https://msdn.microsoft.com/en-us/library/b0084kay.aspx ctrl-f "_DEBUG"

PiperOrigin-RevId: 220706161

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43993d4af309d92f4ebff38391dcc245f154ecc7 by Shaindel Schwartz <shaindel@google.com>:

Internal change

PiperOrigin-RevId: 220688429

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2448802972dcc261af153af464f2b022ef54a2a9 by Abseil Team <absl-team@google.com>:

Speed up operator* for uint128 in WIN64.

PiperOrigin-RevId: 220678790

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7b376403dd05ba10152fb52e40b29d8af79b58bb by Abseil Team <absl-team@google.com>:

Import of CCTZ from GitHub.

PiperOrigin-RevId: 220654834

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ae08af58111c3f838b8d4de25f501c3559c86002 by Abseil Team <absl-team@google.com>:

CMake: Add absl_cc_test function

PiperOrigin-RevId: 220603940
GitOrigin-RevId: 07575526242a8e1275ac4223a3d2822795f46569
Change-Id: Iba7f53eb394c8a9de564582a976793f9bb0596d9
2018-11-13 17:56:57 -05:00
Abseil Team
7990fd459e Export of internal Abseil changes.
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ee19e203eca970ff88e8f25ce4e19c32e143b988 by Jon Cohen <cohenjon@google.com>:

Exception safety testing no longer uses absl::optional

PiperOrigin-RevId: 220336204

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460666eb0b316a8b4aeedc589644d53b05251bd1 by Derek Mauro <dmauro@google.com>:

Rework SwissTable SSE2 support
  - Use SSE2 on MSVC when available
    https://github.com/abseil/abseil-cpp/issues/210
  - Emulate _mm_cmpgt_epi8 with other SSE2 instructions when using
    -funsigned-char under GCC
    https://github.com/abseil/abseil-cpp/issues/209

PiperOrigin-RevId: 220312351

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1f4318ecedf8d539b7b698eb803d613ad6b69278 by Abseil Team <absl-team@google.com>:

Change CollectPerfectRatios to use 10 trials to smooth out the outliers in the
sample.

PiperOrigin-RevId: 220286579

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6755abc2673553a7f578bb29c6e9ca8d991bc9c8 by Abseil Team <absl-team@google.com>:

Internal change

PiperOrigin-RevId: 220274307

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8645b6187329ebf0aaf3c2de2888ba44466cd879 by Abseil Team <absl-team@google.com>:

* #endif for a header guard should reference the guard macro in a comment

PiperOrigin-RevId: 220206868

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3987a7ad11319230910931cd2468b60b3fd1b85c by Gennadiy Civil <misterg@google.com>:

Internal Change

PiperOrigin-RevId: 220136674

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cc908c1db2ee0d4523dc813e33f600583bb986c5 by Abseil Team <absl-team@google.com>:

absl: fix backoff logic in SpinLockWait

There are 3 bugs in loop variable handling:
1. It starts with 0, but AbslInternalSpinLockDelay ignores loop == 0.
So it does not actually wait when it should.
2. loop is incremented after successful state changes,
but it should not (why would be increase backoff delay after that?).
3. loop is incremented after CAS failures,
but it should not (why would be increase backoff delay after that?).

Use the same handling of loop as used in SpinLock.

PiperOrigin-RevId: 220136079

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a0a1c6ef5910ebd28e07215d7df03cc0da0b3eed by Abseil Team <absl-team@google.com>:

absl: relax unnecessarily strong memory ordering in SpinLock::SlowLock

We don't need to acquire visibility over anything when setting kSpinLockSleeper.
Replace the confusing and unnecessarily strong memory order with relaxed.

PiperOrigin-RevId: 220023380

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c50858b51af28b9fca1a62616324f85f3e84ea74 by Tom Manshreck <shreck@google.com>:

Update comments in flat_hash_map, node_hash_{set, map} and the containers developer guide

PiperOrigin-RevId: 219938692

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e87b7d1a5f61e165b1c44d3b16d8d967197cdfce by CJ Johnson <johnsoncj@google.com>:

Rearranges the public methods of InlinedVector and cleans up the comments

PiperOrigin-RevId: 219896257

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f3234c466f792e0fc4bfd21fc7919dba5e679375 by CJ Johnson <johnsoncj@google.com>:

Adds branch prediction to exceptional early exit cases of inlined vector's API

PiperOrigin-RevId: 219887173

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4dfccf1a81ca0425912d3da25a8470f78c532ce4 by CJ Johnson <johnsoncj@google.com>:

Fixes the InlinedVector public interface to use the allocator type references instead of assuming the type
Also cleans up some cruft in formatting and comments

PiperOrigin-RevId: 219878876

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4bb6a2b892abb10bd6a424db7e94ed8640802470 by Tom Manshreck <shreck@google.com>:

Add comments on constructor and assignment operator support to flat_hash_set

PiperOrigin-RevId: 219825338

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c23f973e2f7f4feea0da36bf8a9c3f8a8954bb74 by Abseil Team <absl-team@google.com>:

Import of CCTZ from GitHub.

PiperOrigin-RevId: 219823847
GitOrigin-RevId: ee19e203eca970ff88e8f25ce4e19c32e143b988
Change-Id: I288c927ca481dc57340420dbb4c278a05cf15e83
2018-11-06 16:06:39 -05:00
Abseil Team
e821380d69 Export of internal Abseil changes.
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e09635c907d471ab46e14fb8091988c92cb4e78e by Abseil Team <absl-team@google.com>:

Fix syntax error in documentation '}' -> ')'

PiperOrigin-RevId: 215744854

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a9e2d036850748137355f4a07083f1052d5c3766 by Abseil Team <absl-team@google.com>:

WrapUnique's comment about avoiding explicit template specification
doesn't make clear what alternative there is when this hurts
readability. Add a comment about the approved alternative.

PiperOrigin-RevId: 215634917

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596b8ff41ff70b27bff3a2369038c0fe7d13ae85 by Greg Falcon <gfalcon@google.com>:

Allow for a small amount of slop in timeout tests, as not all OSs we support give us the perfect timing behavior we're testing for here.

PiperOrigin-RevId: 215615172
GitOrigin-RevId: e09635c907d471ab46e14fb8091988c92cb4e78e
Change-Id: I30721294bac86510a49bb7f405149fc74c532abb
2018-10-05 10:53:08 -04:00
Abseil Team
f21d187b80 Export of internal Abseil changes.
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1c1d6e2404dfc6caa022b335df5acdac6da50fe1 by Derek Mauro <dmauro@google.com>:

Fix the internal namespacing in unaligned_access.h

PiperOrigin-RevId: 215434506

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17d4400aebf025a230690fc1c7a968ef8d85bbba by Eric Fiselier <ericwf@google.com>:

gtest depends on the GCC extension allowing variadic macros
to be passed a empty parameter pack for ..., but LLVM diagnoses
this as a GNU extension.

This patch suppresses the warning when building the absl tests.

PiperOrigin-RevId: 215426161

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f2c49dde23a9f445b9de963f1bbe840ebb568b30 by Eric Fiselier <ericwf@google.com>:

Use EXPECT_DEATH_IF_SUPPORTED instead of EXPECT_DEATH.

This avoids breaking the test when gtest doesn't support
death tests.

PiperOrigin-RevId: 215423849

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cd687c1e121709603f4fc3726b534f6a9c52cc89 by Eric Fiselier <ericwf@google.com>:

Disable LLVM's -Wmissing-variable-declarations in tests.

GCC's configuration already disables this via -Wno-missing-declarations,
this change makes LLVM do the same.

The warning would otherwise flag most tests which use ABSL_FLAG.

PiperOrigin-RevId: 215407429

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d14098824c84e3a8c8f6fb920e0335fb48fe2010 by Eric Fiselier <ericwf@google.com>:

Fix local variable shadowing in city hash implementation.

PiperOrigin-RevId: 215407249

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4b5e140ba743f0d231790a26c49083abb4329e2c by Abseil Team <absl-team@google.com>:

Make raw_hash_set::reserve 2X fast when reserve doesn't do any allocation.
Make raw_hash_set::reserve ~1% faster when reserve does some (128~4k) allocation.

PiperOrigin-RevId: 215348727

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461161e65e04b801480aa117af2534c594654ccf by Eric Fiselier <ericwf@google.com>:

Internal change

PiperOrigin-RevId: 215272283

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50413ae31ad3d3a177257416acd8ede47a17bff2 by Eric Fiselier <ericwf@google.com>:

Internal Change

PiperOrigin-RevId: 215233183

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477be54c43d61019a8fe4e190e340eb52737d383 by Abseil Team <absl-team@google.com>:

Clarify misleading comment on ABSL_ATTRIBUTE_UNUSED

PiperOrigin-RevId: 215185496

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2cafa2b5287507d3a946682aee9ab13af6d471c9 by Matt Kulukundis <kfm@google.com>:

Add support for absl::Hash to various absl in types.

PiperOrigin-RevId: 215039569

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082248901991aa3d29be0ea3689c7f213cf0fd83 by Derek Mauro <dmauro@google.com>:

Remove an instance of HAS_GLOBAL_STRING from hash_function_defaults.h

PiperOrigin-RevId: 214989094

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b929f61907f0786a6133e3a9d7287e339c0a0acb by Derek Mauro <dmauro@google.com>:

Internal import of Github #174
Fix code snippet in comment
https://github.com/abseil/abseil-cpp/pull/174

PiperOrigin-RevId: 214958849

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f2c5e829eca11c352e121f56eefbf87083305023 by Derek Mauro <dmauro@google.com>:

Internal import of GitHub #173
Fix CMake build for absl::container.
https://github.com/abseil/abseil-cpp/pull/173

PiperOrigin-RevId: 214957796

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d704f860f9fddafb99e34e6c5032e49f73874e10 by Abseil Team <absl-team@google.com>:

Internal change

PiperOrigin-RevId: 214828181
GitOrigin-RevId: 1c1d6e2404dfc6caa022b335df5acdac6da50fe1
Change-Id: I551de2b1ba0cbaf6856cd5959358cf6651179dea
2018-10-03 09:19:28 -04:00
Abseil Team
48cd2c3f35 Export of internal Abseil changes.
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4eacae3ff1b14b1d309e8092185bc10e8a6203cf by Derek Mauro <dmauro@google.com>:

Release SwissTable - a fast, efficient, cache-friendly hash table.

https://www.youtube.com/watch?v=ncHmEUmJZf4

PiperOrigin-RevId: 214816527

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df8c3dfab3cfb2f4365909a84d0683b193cfbb11 by Derek Mauro <dmauro@google.com>:

Internal change

PiperOrigin-RevId: 214785288

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1eabd5266bbcebc33eecc91e5309b751856a75c8 by Abseil Team <absl-team@google.com>:

Internal change

PiperOrigin-RevId: 214722931

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2ebbfac950f83146b46253038e7dd7dcde9f2951 by Derek Mauro <dmauro@google.com>:

Internal change

PiperOrigin-RevId: 214701684
GitOrigin-RevId: 4eacae3ff1b14b1d309e8092185bc10e8a6203cf
Change-Id: I9ba64e395b22ad7863213d157b8019b082adc19d
2018-09-27 15:28:12 -04:00