forked from OSchip/llvm-project
43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include <algorithm>
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#include <numeric>
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#include <random>
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#include <vector>
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#include "common.h"
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namespace {
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template <class ValueType>
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struct LowerBound {
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size_t Quantity;
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mutable std::mt19937_64 rng { std::random_device{}() };
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void run(benchmark::State& state) const {
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runOpOnCopies<ValueType>(state, Quantity, Order::Ascending, BatchSize::CountBatch, [&](auto& Copy) {
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auto result = std::lower_bound(Copy.begin(), Copy.end(), Copy[rng() % Copy.size()]);
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benchmark::DoNotOptimize(result);
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});
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}
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std::string name() const {
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return "BM_LowerBound" + ValueType::name() + "_" + std::to_string(Quantity);
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}
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};
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} // namespace
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int main(int argc, char** argv) {
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benchmark::Initialize(&argc, argv);
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if (benchmark::ReportUnrecognizedArguments(argc, argv))
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return 1;
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makeCartesianProductBenchmark<LowerBound, AllValueTypes>(Quantities);
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benchmark::RunSpecifiedBenchmarks();
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}
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