Abseil Common Libraries (C++) (grcp 依赖)
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67 lines
2.5 KiB
67 lines
2.5 KiB
// Copyright 2019 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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// https://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 <stddef.h> |
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#include <string> |
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#include "absl/container/fixed_array.h" |
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#include "benchmark/benchmark.h" |
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namespace { |
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// For benchmarking -- simple class with constructor and destructor that |
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// set an int to a constant.. |
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class SimpleClass { |
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public: |
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SimpleClass() : i(3) {} |
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~SimpleClass() { i = 0; } |
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private: |
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int i; |
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}; |
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template <typename C, size_t stack_size> |
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void BM_FixedArray(benchmark::State& state) { |
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const int size = state.range(0); |
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for (auto _ : state) { |
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absl::FixedArray<C, stack_size> fa(size); |
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benchmark::DoNotOptimize(fa.data()); |
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} |
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} |
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BENCHMARK_TEMPLATE(BM_FixedArray, char, absl::kFixedArrayUseDefault) |
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->Range(0, 1 << 16); |
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BENCHMARK_TEMPLATE(BM_FixedArray, char, 0)->Range(0, 1 << 16); |
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BENCHMARK_TEMPLATE(BM_FixedArray, char, 1)->Range(0, 1 << 16); |
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BENCHMARK_TEMPLATE(BM_FixedArray, char, 16)->Range(0, 1 << 16); |
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BENCHMARK_TEMPLATE(BM_FixedArray, char, 256)->Range(0, 1 << 16); |
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BENCHMARK_TEMPLATE(BM_FixedArray, char, 65536)->Range(0, 1 << 16); |
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BENCHMARK_TEMPLATE(BM_FixedArray, SimpleClass, absl::kFixedArrayUseDefault) |
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->Range(0, 1 << 16); |
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BENCHMARK_TEMPLATE(BM_FixedArray, SimpleClass, 0)->Range(0, 1 << 16); |
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BENCHMARK_TEMPLATE(BM_FixedArray, SimpleClass, 1)->Range(0, 1 << 16); |
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BENCHMARK_TEMPLATE(BM_FixedArray, SimpleClass, 16)->Range(0, 1 << 16); |
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BENCHMARK_TEMPLATE(BM_FixedArray, SimpleClass, 256)->Range(0, 1 << 16); |
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BENCHMARK_TEMPLATE(BM_FixedArray, SimpleClass, 65536)->Range(0, 1 << 16); |
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BENCHMARK_TEMPLATE(BM_FixedArray, std::string, absl::kFixedArrayUseDefault) |
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->Range(0, 1 << 16); |
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BENCHMARK_TEMPLATE(BM_FixedArray, std::string, 0)->Range(0, 1 << 16); |
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BENCHMARK_TEMPLATE(BM_FixedArray, std::string, 1)->Range(0, 1 << 16); |
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BENCHMARK_TEMPLATE(BM_FixedArray, std::string, 16)->Range(0, 1 << 16); |
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BENCHMARK_TEMPLATE(BM_FixedArray, std::string, 256)->Range(0, 1 << 16); |
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BENCHMARK_TEMPLATE(BM_FixedArray, std::string, 65536)->Range(0, 1 << 16); |
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} // namespace
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