mirror of
https://github.com/llvm/llvm-project.git
synced 2025-04-28 14:56:07 +00:00
b2d2494731
This patch fixes warnings and errors that come up when running the benchmarks as part of the test suite. It also adds the necessary Lit annotations to make it pass in various configurations and increases the portability of the benchmarks.
38 lines
1.2 KiB
C++
38 lines
1.2 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// UNSUPPORTED: c++03
|
|
|
|
#include <algorithm>
|
|
#include <array>
|
|
#include <cstddef>
|
|
#include <cstdint>
|
|
#include <functional>
|
|
#include <random>
|
|
|
|
#include "benchmark/benchmark.h"
|
|
|
|
constexpr std::size_t MAX_BUFFER_LEN = 256;
|
|
constexpr std::size_t MAX_SEED_LEN = 16;
|
|
|
|
static void BM_SeedSeq_Generate(benchmark::State& state) {
|
|
std::array<std::uint32_t, MAX_BUFFER_LEN> buffer;
|
|
std::array<std::uint32_t, MAX_SEED_LEN> seeds;
|
|
{
|
|
std::random_device rd;
|
|
std::generate(std::begin(seeds), std::begin(seeds) + state.range(0), [&]() { return rd(); });
|
|
}
|
|
std::seed_seq seed(std::begin(seeds), std::begin(seeds) + state.range(0));
|
|
for (auto _ : state) {
|
|
seed.generate(std::begin(buffer), std::begin(buffer) + state.range(1));
|
|
}
|
|
}
|
|
BENCHMARK(BM_SeedSeq_Generate)->Ranges({{1, MAX_SEED_LEN}, {1, MAX_BUFFER_LEN}});
|
|
|
|
BENCHMARK_MAIN();
|