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Diffstat (limited to 'third_party/abseil_cpp/absl/strings/str_cat_benchmark.cc')
-rw-r--r--third_party/abseil_cpp/absl/strings/str_cat_benchmark.cc187
1 files changed, 0 insertions, 187 deletions
diff --git a/third_party/abseil_cpp/absl/strings/str_cat_benchmark.cc b/third_party/abseil_cpp/absl/strings/str_cat_benchmark.cc
deleted file mode 100644
index 02c4dbe6d8f1..000000000000
--- a/third_party/abseil_cpp/absl/strings/str_cat_benchmark.cc
+++ /dev/null
@@ -1,187 +0,0 @@
-// Copyright 2018 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.
-
-#include "absl/strings/str_cat.h"
-
-#include <cstdint>
-#include <string>
-
-#include "benchmark/benchmark.h"
-#include "absl/strings/substitute.h"
-
-namespace {
-
-const char kStringOne[] = "Once Upon A Time, ";
-const char kStringTwo[] = "There was a string benchmark";
-
-// We want to include negative numbers in the benchmark, so this function
-// is used to count 0, 1, -1, 2, -2, 3, -3, ...
-inline int IncrementAlternatingSign(int i) {
-  return i > 0 ? -i : 1 - i;
-}
-
-void BM_Sum_By_StrCat(benchmark::State& state) {
-  int i = 0;
-  char foo[100];
-  for (auto _ : state) {
-    // NOLINTNEXTLINE(runtime/printf)
-    strcpy(foo, absl::StrCat(kStringOne, i, kStringTwo, i * 65536ULL).c_str());
-    int sum = 0;
-    for (char* f = &foo[0]; *f != 0; ++f) {
-      sum += *f;
-    }
-    benchmark::DoNotOptimize(sum);
-    i = IncrementAlternatingSign(i);
-  }
-}
-BENCHMARK(BM_Sum_By_StrCat);
-
-void BM_StrCat_By_snprintf(benchmark::State& state) {
-  int i = 0;
-  char on_stack[1000];
-  for (auto _ : state) {
-    snprintf(on_stack, sizeof(on_stack), "%s %s:%d", kStringOne, kStringTwo, i);
-    i = IncrementAlternatingSign(i);
-  }
-}
-BENCHMARK(BM_StrCat_By_snprintf);
-
-void BM_StrCat_By_Strings(benchmark::State& state) {
-  int i = 0;
-  for (auto _ : state) {
-    std::string result =
-        std::string(kStringOne) + " " + kStringTwo + ":" + absl::StrCat(i);
-    benchmark::DoNotOptimize(result);
-    i = IncrementAlternatingSign(i);
-  }
-}
-BENCHMARK(BM_StrCat_By_Strings);
-
-void BM_StrCat_By_StringOpPlus(benchmark::State& state) {
-  int i = 0;
-  for (auto _ : state) {
-    std::string result = kStringOne;
-    result += " ";
-    result += kStringTwo;
-    result += ":";
-    result += absl::StrCat(i);
-    benchmark::DoNotOptimize(result);
-    i = IncrementAlternatingSign(i);
-  }
-}
-BENCHMARK(BM_StrCat_By_StringOpPlus);
-
-void BM_StrCat_By_StrCat(benchmark::State& state) {
-  int i = 0;
-  for (auto _ : state) {
-    std::string result = absl::StrCat(kStringOne, " ", kStringTwo, ":", i);
-    benchmark::DoNotOptimize(result);
-    i = IncrementAlternatingSign(i);
-  }
-}
-BENCHMARK(BM_StrCat_By_StrCat);
-
-void BM_HexCat_By_StrCat(benchmark::State& state) {
-  int i = 0;
-  for (auto _ : state) {
-    std::string result =
-        absl::StrCat(kStringOne, " ", absl::Hex(int64_t{i} + 0x10000000));
-    benchmark::DoNotOptimize(result);
-    i = IncrementAlternatingSign(i);
-  }
-}
-BENCHMARK(BM_HexCat_By_StrCat);
-
-void BM_HexCat_By_Substitute(benchmark::State& state) {
-  int i = 0;
-  for (auto _ : state) {
-    std::string result = absl::Substitute(
-        "$0 $1", kStringOne, reinterpret_cast<void*>(int64_t{i} + 0x10000000));
-    benchmark::DoNotOptimize(result);
-    i = IncrementAlternatingSign(i);
-  }
-}
-BENCHMARK(BM_HexCat_By_Substitute);
-
-void BM_FloatToString_By_StrCat(benchmark::State& state) {
-  int i = 0;
-  float foo = 0.0f;
-  for (auto _ : state) {
-    std::string result = absl::StrCat(foo += 1.001f, " != ", int64_t{i});
-    benchmark::DoNotOptimize(result);
-    i = IncrementAlternatingSign(i);
-  }
-}
-BENCHMARK(BM_FloatToString_By_StrCat);
-
-void BM_DoubleToString_By_SixDigits(benchmark::State& state) {
-  int i = 0;
-  double foo = 0.0;
-  for (auto _ : state) {
-    std::string result =
-        absl::StrCat(absl::SixDigits(foo += 1.001), " != ", int64_t{i});
-    benchmark::DoNotOptimize(result);
-    i = IncrementAlternatingSign(i);
-  }
-}
-BENCHMARK(BM_DoubleToString_By_SixDigits);
-
-template <typename... Chunks>
-void BM_StrAppendImpl(benchmark::State& state, size_t total_bytes,
-                      Chunks... chunks) {
-  for (auto s : state) {
-    std::string result;
-    while (result.size() < total_bytes) {
-      absl::StrAppend(&result, chunks...);
-      benchmark::DoNotOptimize(result);
-    }
-  }
-}
-
-void BM_StrAppend(benchmark::State& state) {
-  const int total_bytes = state.range(0);
-  const int chunks_at_a_time = state.range(1);
-  const absl::string_view kChunk = "0123456789";
-
-  switch (chunks_at_a_time) {
-    case 1:
-      return BM_StrAppendImpl(state, total_bytes, kChunk);
-    case 2:
-      return BM_StrAppendImpl(state, total_bytes, kChunk, kChunk);
-    case 4:
-      return BM_StrAppendImpl(state, total_bytes, kChunk, kChunk, kChunk,
-                              kChunk);
-    case 8:
-      return BM_StrAppendImpl(state, total_bytes, kChunk, kChunk, kChunk,
-                              kChunk, kChunk, kChunk, kChunk, kChunk);
-    default:
-      std::abort();
-  }
-}
-
-template <typename B>
-void StrAppendConfig(B* benchmark) {
-  for (int bytes : {10, 100, 1000, 10000}) {
-    for (int chunks : {1, 2, 4, 8}) {
-      // Only add the ones that divide properly. Otherwise we are over counting.
-      if (bytes % (10 * chunks) == 0) {
-        benchmark->Args({bytes, chunks});
-      }
-    }
-  }
-}
-
-BENCHMARK(BM_StrAppend)->Apply(StrAppendConfig);
-
-}  // namespace