7aacab8ae0
- 924ba2a3f9fca695d73c6bf491d20669e2b96b8e Changed RawPtr to use std::addressof() instead of operato... by Abseil Team <absl-team@google.com> - e8cf67f9fa74d4c5632da35547025ad2301c6819 Import of CCTZ from GitHub. by Alex Strelnikov <strel@google.com> - 2ece8a96611afcddd7b91e0197dadb896248250c Abandon ".inc" files in favor of ".h" headers. by Jorg Brown <jorg@google.com> - 37f5ed5da4058f90fb3e6a2733fce5b1fd0aaedf Add exception safety tests for absl::optional<T> by Abseil Team <absl-team@google.com> - 337f995a866b8f905f64ca6b271b5fec8f248a60 Update WORKSPACE to grab specific commits of dependencies... by Alex Strelnikov <strel@google.com> - 93e5b134607a554993387ad913e6c1621606004b Release Charmap microbenchmark. by Alex Strelnikov <strel@google.com> - 95c2e29b6d93ec1334484ee37d91f63101c45307 Release OStringStream microbenchmarks. by Alex Strelnikov <strel@google.com> - 250f51839ed26dd1e6b658d35aa291413e5f4825 Internal change by Greg Falcon <gfalcon@google.com> - ce34900fa3d1a95a8446bc943cdd801fac95be25 Improve compatibility of cctz cc_test targets for portabl... by Shaindel Schwartz <shaindel@google.com> - ce7e31dbf2c1ee93c79aae5b7dc7c603cb4babcf Improve portability of cc_tests. (Mark more tests that ca... by Abseil Team <absl-team@google.com> - dfcd4e455923703c1a1dcd523c5f915f7990fa2a Accept strings with custom allocators as arguments to abs... by Greg Falcon <gfalcon@google.com> - 2946b41ed3d5b8b5a8dc11182e443cf1ab6e3bde Link against benchmark_main instead of using BENCHMARK_MA... by Alex Strelnikov <strel@google.com> - f09de9e03bf8edd363069c4b352d8009423f531c Adds link to doc about the formats allowed by SimpleAtof(... by Greg Miller <jgm@google.com> - 59b0977e7a308e0800277886cf60226b2cc426a1 Simplify the HideMask() calculation so that it doesn't us... by Jorg Brown <jorg@google.com> GitOrigin-RevId: e2f6b8ac647271815b4fed2991f405524dd762c3 Change-Id: Ib9c8547ed7fe217fad6cb3ab1362e96181aa5cfa
96 lines
2.9 KiB
C++
96 lines
2.9 KiB
C++
//
|
|
// 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
|
|
//
|
|
// http://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_join.h"
|
|
|
|
#include <string>
|
|
#include <vector>
|
|
#include <utility>
|
|
|
|
#include "benchmark/benchmark.h"
|
|
|
|
namespace {
|
|
|
|
void BM_Join2_Strings(benchmark::State& state) {
|
|
const int string_len = state.range(0);
|
|
const int num_strings = state.range(1);
|
|
const std::string s(string_len, 'x');
|
|
const std::vector<std::string> v(num_strings, s);
|
|
for (auto _ : state) {
|
|
std::string s = absl::StrJoin(v, "-");
|
|
benchmark::DoNotOptimize(s);
|
|
}
|
|
}
|
|
BENCHMARK(BM_Join2_Strings)
|
|
->ArgPair(1 << 0, 1 << 3)
|
|
->ArgPair(1 << 10, 1 << 3)
|
|
->ArgPair(1 << 13, 1 << 3)
|
|
->ArgPair(1 << 0, 1 << 10)
|
|
->ArgPair(1 << 10, 1 << 10)
|
|
->ArgPair(1 << 13, 1 << 10)
|
|
->ArgPair(1 << 0, 1 << 13)
|
|
->ArgPair(1 << 10, 1 << 13)
|
|
->ArgPair(1 << 13, 1 << 13);
|
|
|
|
void BM_Join2_Ints(benchmark::State& state) {
|
|
const int num_ints = state.range(0);
|
|
const std::vector<int> v(num_ints, 42);
|
|
for (auto _ : state) {
|
|
std::string s = absl::StrJoin(v, "-");
|
|
benchmark::DoNotOptimize(s);
|
|
}
|
|
}
|
|
BENCHMARK(BM_Join2_Ints)->Range(0, 1 << 13);
|
|
|
|
void BM_Join2_KeysAndValues(benchmark::State& state) {
|
|
const int string_len = state.range(0);
|
|
const int num_pairs = state.range(1);
|
|
const std::string s(string_len, 'x');
|
|
const std::vector<std::pair<std::string, int>> v(num_pairs, std::make_pair(s, 42));
|
|
for (auto _ : state) {
|
|
std::string s = absl::StrJoin(v, ",", absl::PairFormatter("="));
|
|
benchmark::DoNotOptimize(s);
|
|
}
|
|
}
|
|
BENCHMARK(BM_Join2_KeysAndValues)
|
|
->ArgPair(1 << 0, 1 << 3)
|
|
->ArgPair(1 << 10, 1 << 3)
|
|
->ArgPair(1 << 13, 1 << 3)
|
|
->ArgPair(1 << 0, 1 << 10)
|
|
->ArgPair(1 << 10, 1 << 10)
|
|
->ArgPair(1 << 13, 1 << 10)
|
|
->ArgPair(1 << 0, 1 << 13)
|
|
->ArgPair(1 << 10, 1 << 13)
|
|
->ArgPair(1 << 13, 1 << 13);
|
|
|
|
void BM_JoinStreamable(benchmark::State& state) {
|
|
const int string_len = state.range(0);
|
|
const int num_strings = state.range(1);
|
|
const std::vector<std::string> v(num_strings, std::string(string_len, 'x'));
|
|
for (auto _ : state) {
|
|
std::string s = absl::StrJoin(v, "", absl::StreamFormatter());
|
|
benchmark::DoNotOptimize(s);
|
|
}
|
|
}
|
|
BENCHMARK(BM_JoinStreamable)
|
|
->ArgPair(0, 0)
|
|
->ArgPair(16, 1)
|
|
->ArgPair(256, 1)
|
|
->ArgPair(16, 16)
|
|
->ArgPair(256, 16)
|
|
->ArgPair(16, 256)
|
|
->ArgPair(256, 256);
|
|
|
|
} // namespace
|