tvl-depot/absl/strings/escaping_benchmark.cc

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// 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/escaping.h"
#include <cstdio>
#include <cstring>
#include <random>
#include "benchmark/benchmark.h"
#include "absl/base/internal/raw_logging.h"
- e2f6b8ac647271815b4fed2991f405524dd762c3 Release cctz microbenchmarks. by Alex Strelnikov <strel@google.com> - 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
2018-05-31 21:26:35 +02:00
#include "absl/strings/internal/escaping_test_common.h"
namespace {
void BM_CUnescapeHexString(benchmark::State& state) {
std::string src;
for (int i = 0; i < 50; i++) {
src += "\\x55";
}
std::string dest;
for (auto _ : state) {
absl::CUnescape(src, &dest);
}
}
BENCHMARK(BM_CUnescapeHexString);
void BM_WebSafeBase64Escape_string(benchmark::State& state) {
std::string raw;
for (int i = 0; i < 10; ++i) {
- e2f6b8ac647271815b4fed2991f405524dd762c3 Release cctz microbenchmarks. by Alex Strelnikov <strel@google.com> - 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
2018-05-31 21:26:35 +02:00
for (const auto& test_set : absl::strings_internal::base64_strings()) {
raw += std::string(test_set.plaintext);
}
}
// The actual benchmark loop is tiny...
std::string escaped;
for (auto _ : state) {
absl::WebSafeBase64Escape(raw, &escaped);
}
// We want to be sure the compiler doesn't throw away the loop above,
// and the easiest way to ensure that is to round-trip the results and verify
// them.
std::string round_trip;
absl::WebSafeBase64Unescape(escaped, &round_trip);
ABSL_RAW_CHECK(round_trip == raw, "");
}
BENCHMARK(BM_WebSafeBase64Escape_string);
// Used for the CEscape benchmarks
const char kStringValueNoEscape[] = "1234567890";
const char kStringValueSomeEscaped[] = "123\n56789\xA1";
const char kStringValueMostEscaped[] = "\xA1\xA2\ny\xA4\xA5\xA6z\b\r";
void CEscapeBenchmarkHelper(benchmark::State& state, const char* string_value,
int max_len) {
std::string src;
while (src.size() < max_len) {
absl::StrAppend(&src, string_value);
}
for (auto _ : state) {
absl::CEscape(src);
}
}
void BM_CEscape_NoEscape(benchmark::State& state) {
CEscapeBenchmarkHelper(state, kStringValueNoEscape, state.range(0));
}
BENCHMARK(BM_CEscape_NoEscape)->Range(1, 1 << 14);
void BM_CEscape_SomeEscaped(benchmark::State& state) {
CEscapeBenchmarkHelper(state, kStringValueSomeEscaped, state.range(0));
}
BENCHMARK(BM_CEscape_SomeEscaped)->Range(1, 1 << 14);
void BM_CEscape_MostEscaped(benchmark::State& state) {
CEscapeBenchmarkHelper(state, kStringValueMostEscaped, state.range(0));
}
BENCHMARK(BM_CEscape_MostEscaped)->Range(1, 1 << 14);
} // namespace