- 31d03284ca8017ba59d98d47e7d041f361d478a7 Release escaping microbenchmarks. by Alex Strelnikov <strel@google.com>
- f183ce453db49ebc1948bb1d8eced37021cf63f7 Internal change. by Derek Mauro <dmauro@google.com> - b1660cb93e0fa37cdcecf37642766f5bfd12c7b0 Improve compatibility of some cc_test targets for portabl... by Abseil Team <absl-team@google.com> GitOrigin-RevId: 31d03284ca8017ba59d98d47e7d041f361d478a7 Change-Id: I9c4c4d2ad12cfe10c914f7cfa9aaab67fcef5cb1pull/130/head
Abseil Team
7 years ago
committed by
katzdm
parent
014f02a3ec
commit
99477fa9f1
11 changed files with 189 additions and 14 deletions
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// Copyright 2018 The Abseil Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "absl/strings/escaping.h" |
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#include <cstdio> |
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#include <cstring> |
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#include <random> |
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#include "benchmark/benchmark.h" |
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#include "absl/base/internal/raw_logging.h" |
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#include "absl/strings/internal/escaping_test_common.inc" |
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namespace { |
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void BM_CUnescapeHexString(benchmark::State& state) { |
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std::string src; |
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for (int i = 0; i < 50; i++) { |
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src += "\\x55"; |
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} |
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std::string dest; |
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for (auto _ : state) { |
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absl::CUnescape(src, &dest); |
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} |
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} |
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BENCHMARK(BM_CUnescapeHexString); |
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void BM_WebSafeBase64Escape_string(benchmark::State& state) { |
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std::string raw; |
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for (int i = 0; i < 10; ++i) { |
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for (const auto& test_set : base64_strings) { |
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raw += std::string(test_set.plaintext); |
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} |
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} |
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// The actual benchmark loop is tiny...
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std::string escaped; |
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for (auto _ : state) { |
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absl::WebSafeBase64Escape(raw, &escaped); |
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} |
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// We want to be sure the compiler doesn't throw away the loop above,
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// and the easiest way to ensure that is to round-trip the results and verify
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// them.
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std::string round_trip; |
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absl::WebSafeBase64Unescape(escaped, &round_trip); |
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ABSL_RAW_CHECK(round_trip == raw, ""); |
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} |
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BENCHMARK(BM_WebSafeBase64Escape_string); |
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// Used for the CEscape benchmarks
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const char kStringValueNoEscape[] = "1234567890"; |
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const char kStringValueSomeEscaped[] = "123\n56789\xA1"; |
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const char kStringValueMostEscaped[] = "\xA1\xA2\ny\xA4\xA5\xA6z\b\r"; |
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void CEscapeBenchmarkHelper(benchmark::State& state, const char* string_value, |
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int max_len) { |
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std::string src; |
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while (src.size() < max_len) { |
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absl::StrAppend(&src, string_value); |
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} |
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for (auto _ : state) { |
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absl::CEscape(src); |
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} |
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} |
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void BM_CEscape_NoEscape(benchmark::State& state) { |
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CEscapeBenchmarkHelper(state, kStringValueNoEscape, state.range(0)); |
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} |
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BENCHMARK(BM_CEscape_NoEscape)->Range(1, 1 << 14); |
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void BM_CEscape_SomeEscaped(benchmark::State& state) { |
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CEscapeBenchmarkHelper(state, kStringValueSomeEscaped, state.range(0)); |
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} |
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BENCHMARK(BM_CEscape_SomeEscaped)->Range(1, 1 << 14); |
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void BM_CEscape_MostEscaped(benchmark::State& state) { |
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CEscapeBenchmarkHelper(state, kStringValueMostEscaped, state.range(0)); |
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} |
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BENCHMARK(BM_CEscape_MostEscaped)->Range(1, 1 << 14); |
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} // namespace
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BENCHMARK_MAIN(); |
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