chore(3p/abseil_cpp): unvendor abseil_cpp r/3786

we weren't actually using these sources anymore, okay?

Change-Id: If701571d9716de308d3512e1eb22c35db0877a66
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5248
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
Autosubmit: tazjin <tazjin@tvl.su>

1 files changed, 0 insertions, 383 deletions

diff --git a/third_party/abseil_cpp/absl/random/benchmarks.cc b/third_party/abseil_cpp/absl/random/benchmarks.cc
deleted file mode 100644
index 87bbb9810a77..000000000000
--- a/third_party/abseil_cpp/absl/random/benchmarks.cc
+++ /dev/null
@@ -1,383 +0,0 @@
-// Copyright 2017 The Abseil Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      https://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Benchmarks for absl random distributions as well as a selection of the
-// C++ standard library random distributions.
-
-#include <algorithm>
-#include <cstddef>
-#include <cstdint>
-#include <initializer_list>
-#include <iterator>
-#include <limits>
-#include <random>
-#include <type_traits>
-#include <vector>
-
-#include "absl/base/macros.h"
-#include "absl/meta/type_traits.h"
-#include "absl/random/bernoulli_distribution.h"
-#include "absl/random/beta_distribution.h"
-#include "absl/random/exponential_distribution.h"
-#include "absl/random/gaussian_distribution.h"
-#include "absl/random/internal/fast_uniform_bits.h"
-#include "absl/random/internal/randen_engine.h"
-#include "absl/random/log_uniform_int_distribution.h"
-#include "absl/random/poisson_distribution.h"
-#include "absl/random/random.h"
-#include "absl/random/uniform_int_distribution.h"
-#include "absl/random/uniform_real_distribution.h"
-#include "absl/random/zipf_distribution.h"
-#include "benchmark/benchmark.h"
-
-namespace {
-
-// Seed data to avoid reading random_device() for benchmarks.
-uint32_t kSeedData[] = {
-    0x1B510052, 0x9A532915, 0xD60F573F, 0xBC9BC6E4, 0x2B60A476, 0x81E67400,
-    0x08BA6FB5, 0x571BE91F, 0xF296EC6B, 0x2A0DD915, 0xB6636521, 0xE7B9F9B6,
-    0xFF34052E, 0xC5855664, 0x53B02D5D, 0xA99F8FA1, 0x08BA4799, 0x6E85076A,
-    0x4B7A70E9, 0xB5B32944, 0xDB75092E, 0xC4192623, 0xAD6EA6B0, 0x49A7DF7D,
-    0x9CEE60B8, 0x8FEDB266, 0xECAA8C71, 0x699A18FF, 0x5664526C, 0xC2B19EE1,
-    0x193602A5, 0x75094C29, 0xA0591340, 0xE4183A3E, 0x3F54989A, 0x5B429D65,
-    0x6B8FE4D6, 0x99F73FD6, 0xA1D29C07, 0xEFE830F5, 0x4D2D38E6, 0xF0255DC1,
-    0x4CDD2086, 0x8470EB26, 0x6382E9C6, 0x021ECC5E, 0x09686B3F, 0x3EBAEFC9,
-    0x3C971814, 0x6B6A70A1, 0x687F3584, 0x52A0E286, 0x13198A2E, 0x03707344,
-};
-
-// PrecompiledSeedSeq provides kSeedData to a conforming
-// random engine to speed initialization in the benchmarks.
-class PrecompiledSeedSeq {
- public:
-  using result_type = uint32_t;
-
-  PrecompiledSeedSeq() {}
-
-  template <typename Iterator>
-  PrecompiledSeedSeq(Iterator begin, Iterator end) {}
-
-  template <typename T>
-  PrecompiledSeedSeq(std::initializer_list<T> il) {}
-
-  template <typename OutIterator>
-  void generate(OutIterator begin, OutIterator end) {
-    static size_t idx = 0;
-    for (; begin != end; begin++) {
-      *begin = kSeedData[idx++];
-      if (idx >= ABSL_ARRAYSIZE(kSeedData)) {
-        idx = 0;
-      }
-    }
-  }
-
-  size_t size() const { return ABSL_ARRAYSIZE(kSeedData); }
-
-  template <typename OutIterator>
-  void param(OutIterator out) const {
-    std::copy(std::begin(kSeedData), std::end(kSeedData), out);
-  }
-};
-
-// use_default_initialization<T> indicates whether the random engine
-// T must be default initialized, or whether we may initialize it using
-// a seed sequence. This is used because some engines do not accept seed
-// sequence-based initialization.
-template <typename E>
-using use_default_initialization = std::false_type;
-
-// make_engine<T, SSeq> returns a random_engine which is initialized,
-// either via the default constructor, when use_default_initialization<T>
-// is true, or via the indicated seed sequence, SSeq.
-template <typename Engine, typename SSeq = PrecompiledSeedSeq>
-typename absl::enable_if_t<!use_default_initialization<Engine>::value, Engine>
-make_engine() {
-  // Initialize the random engine using the seed sequence SSeq, which
-  // is constructed from the precompiled seed data.
-  SSeq seq(std::begin(kSeedData), std::end(kSeedData));
-  return Engine(seq);
-}
-
-template <typename Engine, typename SSeq = PrecompiledSeedSeq>
-typename absl::enable_if_t<use_default_initialization<Engine>::value, Engine>
-make_engine() {
-  // Initialize the random engine using the default constructor.
-  return Engine();
-}
-
-template <typename Engine, typename SSeq>
-void BM_Construct(benchmark::State& state) {
-  for (auto _ : state) {
-    auto rng = make_engine<Engine, SSeq>();
-    benchmark::DoNotOptimize(rng());
-  }
-}
-
-template <typename Engine>
-void BM_Direct(benchmark::State& state) {
-  using value_type = typename Engine::result_type;
-  // Direct use of the URBG.
-  auto rng = make_engine<Engine>();
-  for (auto _ : state) {
-    benchmark::DoNotOptimize(rng());
-  }
-  state.SetBytesProcessed(sizeof(value_type) * state.iterations());
-}
-
-template <typename Engine>
-void BM_Generate(benchmark::State& state) {
-  // std::generate makes a copy of the RNG; thus this tests the
-  // copy-constructor efficiency.
-  using value_type = typename Engine::result_type;
-  std::vector<value_type> v(64);
-  auto rng = make_engine<Engine>();
-  while (state.KeepRunningBatch(64)) {
-    std::generate(std::begin(v), std::end(v), rng);
-  }
-}
-
-template <typename Engine, size_t elems>
-void BM_Shuffle(benchmark::State& state) {
-  // Direct use of the Engine.
-  std::vector<uint32_t> v(elems);
-  while (state.KeepRunningBatch(elems)) {
-    auto rng = make_engine<Engine>();
-    std::shuffle(std::begin(v), std::end(v), rng);
-  }
-}
-
-template <typename Engine, size_t elems>
-void BM_ShuffleReuse(benchmark::State& state) {
-  // Direct use of the Engine.
-  std::vector<uint32_t> v(elems);
-  auto rng = make_engine<Engine>();
-  while (state.KeepRunningBatch(elems)) {
-    std::shuffle(std::begin(v), std::end(v), rng);
-  }
-}
-
-template <typename Engine, typename Dist, typename... Args>
-void BM_Dist(benchmark::State& state, Args&&... args) {
-  using value_type = typename Dist::result_type;
-  auto rng = make_engine<Engine>();
-  Dist dis{std::forward<Args>(args)...};
-  // Compare the following loop performance:
-  for (auto _ : state) {
-    benchmark::DoNotOptimize(dis(rng));
-  }
-  state.SetBytesProcessed(sizeof(value_type) * state.iterations());
-}
-
-template <typename Engine, typename Dist>
-void BM_Large(benchmark::State& state) {
-  using value_type = typename Dist::result_type;
-  volatile value_type kMin = 0;
-  volatile value_type kMax = std::numeric_limits<value_type>::max() / 2 + 1;
-  BM_Dist<Engine, Dist>(state, kMin, kMax);
-}
-
-template <typename Engine, typename Dist>
-void BM_Small(benchmark::State& state) {
-  using value_type = typename Dist::result_type;
-  volatile value_type kMin = 0;
-  volatile value_type kMax = std::numeric_limits<value_type>::max() / 64 + 1;
-  BM_Dist<Engine, Dist>(state, kMin, kMax);
-}
-
-template <typename Engine, typename Dist, int A>
-void BM_Bernoulli(benchmark::State& state) {
-  volatile double a = static_cast<double>(A) / 1000000;
-  BM_Dist<Engine, Dist>(state, a);
-}
-
-template <typename Engine, typename Dist, int A, int B>
-void BM_Beta(benchmark::State& state) {
-  using value_type = typename Dist::result_type;
-  volatile value_type a = static_cast<value_type>(A) / 100;
-  volatile value_type b = static_cast<value_type>(B) / 100;
-  BM_Dist<Engine, Dist>(state, a, b);
-}
-
-template <typename Engine, typename Dist, int A>
-void BM_Gamma(benchmark::State& state) {
-  using value_type = typename Dist::result_type;
-  volatile value_type a = static_cast<value_type>(A) / 100;
-  BM_Dist<Engine, Dist>(state, a);
-}
-
-template <typename Engine, typename Dist, int A = 100>
-void BM_Poisson(benchmark::State& state) {
-  volatile double a = static_cast<double>(A) / 100;
-  BM_Dist<Engine, Dist>(state, a);
-}
-
-template <typename Engine, typename Dist, int Q = 2, int V = 1>
-void BM_Zipf(benchmark::State& state) {
-  using value_type = typename Dist::result_type;
-  volatile double q = Q;
-  volatile double v = V;
-  BM_Dist<Engine, Dist>(state, std::numeric_limits<value_type>::max(), q, v);
-}
-
-template <typename Engine, typename Dist>
-void BM_Thread(benchmark::State& state) {
-  using value_type = typename Dist::result_type;
-  auto rng = make_engine<Engine>();
-  Dist dis{};
-  for (auto _ : state) {
-    benchmark::DoNotOptimize(dis(rng));
-  }
-  state.SetBytesProcessed(sizeof(value_type) * state.iterations());
-}
-
-// NOTES:
-//
-// std::geometric_distribution is similar to the zipf distributions.
-// The algorithm for the geometric_distribution is, basically,
-// floor(log(1-X) / log(1-p))
-
-// Normal benchmark suite
-#define BM_BASIC(Engine)                                                       \
-  BENCHMARK_TEMPLATE(BM_Construct, Engine, PrecompiledSeedSeq);                \
-  BENCHMARK_TEMPLATE(BM_Construct, Engine, std::seed_seq);                     \
-  BENCHMARK_TEMPLATE(BM_Direct, Engine);                                       \
-  BENCHMARK_TEMPLATE(BM_Shuffle, Engine, 10);                                  \
-  BENCHMARK_TEMPLATE(BM_Shuffle, Engine, 100);                                 \
-  BENCHMARK_TEMPLATE(BM_Shuffle, Engine, 1000);                                \
-  BENCHMARK_TEMPLATE(BM_ShuffleReuse, Engine, 100);                            \
-  BENCHMARK_TEMPLATE(BM_ShuffleReuse, Engine, 1000);                           \
-  BENCHMARK_TEMPLATE(BM_Dist, Engine,                                          \
-                     absl::random_internal::FastUniformBits<uint32_t>);        \
-  BENCHMARK_TEMPLATE(BM_Dist, Engine,                                          \
-                     absl::random_internal::FastUniformBits<uint64_t>);        \
-  BENCHMARK_TEMPLATE(BM_Dist, Engine, std::uniform_int_distribution<int32_t>); \
-  BENCHMARK_TEMPLATE(BM_Dist, Engine, std::uniform_int_distribution<int64_t>); \
-  BENCHMARK_TEMPLATE(BM_Dist, Engine,                                          \
-                     absl::uniform_int_distribution<int32_t>);                 \
-  BENCHMARK_TEMPLATE(BM_Dist, Engine,                                          \
-                     absl::uniform_int_distribution<int64_t>);                 \
-  BENCHMARK_TEMPLATE(BM_Large, Engine,                                         \
-                     std::uniform_int_distribution<int32_t>);                  \
-  BENCHMARK_TEMPLATE(BM_Large, Engine,                                         \
-                     std::uniform_int_distribution<int64_t>);                  \
-  BENCHMARK_TEMPLATE(BM_Large, Engine,                                         \
-                     absl::uniform_int_distribution<int32_t>);                 \
-  BENCHMARK_TEMPLATE(BM_Large, Engine,                                         \
-                     absl::uniform_int_distribution<int64_t>);                 \
-  BENCHMARK_TEMPLATE(BM_Dist, Engine, std::uniform_real_distribution<float>);  \
-  BENCHMARK_TEMPLATE(BM_Dist, Engine, std::uniform_real_distribution<double>); \
-  BENCHMARK_TEMPLATE(BM_Dist, Engine, absl::uniform_real_distribution<float>); \
-  BENCHMARK_TEMPLATE(BM_Dist, Engine, absl::uniform_real_distribution<double>)
-
-#define BM_COPY(Engine) BENCHMARK_TEMPLATE(BM_Generate, Engine)
-
-#define BM_THREAD(Engine)                                           \
-  BENCHMARK_TEMPLATE(BM_Thread, Engine,                             \
-                     absl::uniform_int_distribution<int64_t>)       \
-      ->ThreadPerCpu();                                             \
-  BENCHMARK_TEMPLATE(BM_Thread, Engine,                             \
-                     absl::uniform_real_distribution<double>)       \
-      ->ThreadPerCpu();                                             \
-  BENCHMARK_TEMPLATE(BM_Shuffle, Engine, 100)->ThreadPerCpu();      \
-  BENCHMARK_TEMPLATE(BM_Shuffle, Engine, 1000)->ThreadPerCpu();     \
-  BENCHMARK_TEMPLATE(BM_ShuffleReuse, Engine, 100)->ThreadPerCpu(); \
-  BENCHMARK_TEMPLATE(BM_ShuffleReuse, Engine, 1000)->ThreadPerCpu();
-
-#define BM_EXTENDED(Engine)                                                    \
-  /* -------------- Extended Uniform -----------------------*/                 \
-  BENCHMARK_TEMPLATE(BM_Small, Engine,                                         \
-                     std::uniform_int_distribution<int32_t>);                  \
-  BENCHMARK_TEMPLATE(BM_Small, Engine,                                         \
-                     std::uniform_int_distribution<int64_t>);                  \
-  BENCHMARK_TEMPLATE(BM_Small, Engine,                                         \
-                     absl::uniform_int_distribution<int32_t>);                 \
-  BENCHMARK_TEMPLATE(BM_Small, Engine,                                         \
-                     absl::uniform_int_distribution<int64_t>);                 \
-  BENCHMARK_TEMPLATE(BM_Small, Engine, std::uniform_real_distribution<float>); \
-  BENCHMARK_TEMPLATE(BM_Small, Engine,                                         \
-                     std::uniform_real_distribution<double>);                  \
-  BENCHMARK_TEMPLATE(BM_Small, Engine,                                         \
-                     absl::uniform_real_distribution<float>);                  \
-  BENCHMARK_TEMPLATE(BM_Small, Engine,                                         \
-                     absl::uniform_real_distribution<double>);                 \
-  /* -------------- Other -----------------------*/                            \
-  BENCHMARK_TEMPLATE(BM_Dist, Engine, std::normal_distribution<double>);       \
-  BENCHMARK_TEMPLATE(BM_Dist, Engine, absl::gaussian_distribution<double>);    \
-  BENCHMARK_TEMPLATE(BM_Dist, Engine, std::exponential_distribution<double>);  \
-  BENCHMARK_TEMPLATE(BM_Dist, Engine, absl::exponential_distribution<double>); \
-  BENCHMARK_TEMPLATE(BM_Poisson, Engine, std::poisson_distribution<int64_t>,   \
-                     100);                                                     \
-  BENCHMARK_TEMPLATE(BM_Poisson, Engine, absl::poisson_distribution<int64_t>,  \
-                     100);                                                     \
-  BENCHMARK_TEMPLATE(BM_Poisson, Engine, std::poisson_distribution<int64_t>,   \
-                     10 * 100);                                                \
-  BENCHMARK_TEMPLATE(BM_Poisson, Engine, absl::poisson_distribution<int64_t>,  \
-                     10 * 100);                                                \
-  BENCHMARK_TEMPLATE(BM_Poisson, Engine, std::poisson_distribution<int64_t>,   \
-                     13 * 100);                                                \
-  BENCHMARK_TEMPLATE(BM_Poisson, Engine, absl::poisson_distribution<int64_t>,  \
-                     13 * 100);                                                \
-  BENCHMARK_TEMPLATE(BM_Dist, Engine,                                          \
-                     absl::log_uniform_int_distribution<int32_t>);             \
-  BENCHMARK_TEMPLATE(BM_Dist, Engine,                                          \
-                     absl::log_uniform_int_distribution<int64_t>);             \
-  BENCHMARK_TEMPLATE(BM_Dist, Engine, std::geometric_distribution<int64_t>);   \
-  BENCHMARK_TEMPLATE(BM_Zipf, Engine, absl::zipf_distribution<uint64_t>);      \
-  BENCHMARK_TEMPLATE(BM_Zipf, Engine, absl::zipf_distribution<uint64_t>, 2,    \
-                     3);                                                       \
-  BENCHMARK_TEMPLATE(BM_Bernoulli, Engine, std::bernoulli_distribution,        \
-                     257305);                                                  \
-  BENCHMARK_TEMPLATE(BM_Bernoulli, Engine, absl::bernoulli_distribution,       \
-                     257305);                                                  \
-  BENCHMARK_TEMPLATE(BM_Beta, Engine, absl::beta_distribution<double>, 65,     \
-                     41);                                                      \
-  BENCHMARK_TEMPLATE(BM_Beta, Engine, absl::beta_distribution<double>, 99,     \
-                     330);                                                     \
-  BENCHMARK_TEMPLATE(BM_Beta, Engine, absl::beta_distribution<double>, 150,    \
-                     150);                                                     \
-  BENCHMARK_TEMPLATE(BM_Beta, Engine, absl::beta_distribution<double>, 410,    \
-                     580);                                                     \
-  BENCHMARK_TEMPLATE(BM_Beta, Engine, absl::beta_distribution<float>, 65, 41); \
-  BENCHMARK_TEMPLATE(BM_Beta, Engine, absl::beta_distribution<float>, 99,      \
-                     330);                                                     \
-  BENCHMARK_TEMPLATE(BM_Beta, Engine, absl::beta_distribution<float>, 150,     \
-                     150);                                                     \
-  BENCHMARK_TEMPLATE(BM_Beta, Engine, absl::beta_distribution<float>, 410,     \
-                     580);                                                     \
-  BENCHMARK_TEMPLATE(BM_Gamma, Engine, std::gamma_distribution<float>, 199);   \
-  BENCHMARK_TEMPLATE(BM_Gamma, Engine, std::gamma_distribution<double>, 199);
-
-// ABSL Recommended interfaces.
-BM_BASIC(absl::InsecureBitGen);  // === pcg64_2018_engine
-BM_BASIC(absl::BitGen);    // === randen_engine<uint64_t>.
-BM_THREAD(absl::BitGen);
-BM_EXTENDED(absl::BitGen);
-
-// Instantiate benchmarks for multiple engines.
-using randen_engine_64 = absl::random_internal::randen_engine<uint64_t>;
-using randen_engine_32 = absl::random_internal::randen_engine<uint32_t>;
-
-// Comparison interfaces.
-BM_BASIC(std::mt19937_64);
-BM_COPY(std::mt19937_64);
-BM_EXTENDED(std::mt19937_64);
-BM_BASIC(randen_engine_64);
-BM_COPY(randen_engine_64);
-BM_EXTENDED(randen_engine_64);
-
-BM_BASIC(std::mt19937);
-BM_COPY(std::mt19937);
-BM_BASIC(randen_engine_32);
-BM_COPY(randen_engine_32);
-
-}  // namespace