Abseil Common Libraries (C++) (grcp 依赖)
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44 lines
1.4 KiB
44 lines
1.4 KiB
// 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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// 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 "absl/synchronization/internal/graphcycles.h" |
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#include <algorithm> |
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#include <cstdint> |
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#include <vector> |
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#include "benchmark/benchmark.h" |
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#include "absl/base/internal/raw_logging.h" |
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namespace { |
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void BM_StressTest(benchmark::State& state) { |
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const int num_nodes = state.range(0); |
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while (state.KeepRunningBatch(num_nodes)) { |
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absl::synchronization_internal::GraphCycles g; |
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std::vector<absl::synchronization_internal::GraphId> nodes(num_nodes); |
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for (int i = 0; i < num_nodes; i++) { |
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nodes[i] = g.GetId(reinterpret_cast<void*>(static_cast<uintptr_t>(i))); |
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} |
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for (int i = 0; i < num_nodes; i++) { |
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int end = std::min(num_nodes, i + 5); |
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for (int j = i + 1; j < end; j++) { |
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ABSL_RAW_CHECK(g.InsertEdge(nodes[i], nodes[j]), ""); |
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} |
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} |
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} |
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} |
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BENCHMARK(BM_StressTest)->Range(2048, 1048576); |
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} // namespace
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