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// MIT License
//
// Copyright (c) 2024 Advanced Micro Devices, Inc. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
// Benchmark utils
#include "../../bench_utils/bench_utils.hpp"
// rocThrust
#include <thrust/binary_search.h>
#include <thrust/device_vector.h>
#include <thrust/execution_policy.h>
#include <thrust/sort.h>
// Google Benchmark
#include <benchmark/benchmark.h>
// STL
#include <cstdlib>
#include <string>
#include <vector>
struct basic
{
template <typename T, typename Policy = thrust::detail::device_t>
float64_t run(thrust::device_vector<T>& input,
thrust::device_vector<T>& output,
const std::size_t elements,
Policy policy)
{
bench_utils::gpu_timer d_timer;
d_timer.start(0);
thrust::lower_bound(policy,
input.begin(),
input.begin() + elements,
input.begin() + elements,
input.end(),
output.begin());
d_timer.stop(0);
return d_timer.get_duration();
}
};
template <class Benchmark, class T>
void run_benchmark(benchmark::State& state,
const std::size_t elements,
const std::string seed_type,
const std::size_t needles_ratio)
{
// Benchmark object
Benchmark benchmark {};
// GPU times
std::vector<double> gpu_times;
// Generate input
const auto needles
= needles_ratio * static_cast<std::size_t>(static_cast<double>(elements) / 100.0f);
thrust::device_vector<T> input = bench_utils::generate(elements + needles, seed_type);
thrust::device_vector<T> output(needles);
thrust::sort(input.begin(), input.begin() + elements);
bench_utils::caching_allocator_t alloc {};
thrust::detail::device_t policy {};
for(auto _ : state)
{
float64_t duration = benchmark.template run<T>(input, output, elements, policy(alloc));
state.SetIterationTime(duration);
gpu_times.push_back(duration);
}
state.SetBytesProcessed(0);
state.SetItemsProcessed(state.iterations() * needles);
const double gpu_cv = bench_utils::StatisticsCV(gpu_times);
state.counters["gpu_noise"] = gpu_cv;
}
#define CREATE_BENCHMARK(T, Elements, NeedlesRatio) \
benchmark::RegisterBenchmark(bench_utils::bench_naming::format_name( \
"{algo:vectorized_search,subalgo:" + name + ",input_type:" #T \
+ ",elements:" #Elements + ",needles_ratio:" #NeedlesRatio) \
.c_str(), \
run_benchmark<Benchmark, T>, \
Elements, \
seed_type, \
NeedlesRatio)
#define BENCHMARK_ELEMENTS(type, elements) \
CREATE_BENCHMARK(type, elements, 1), CREATE_BENCHMARK(type, elements, 25), \
CREATE_BENCHMARK(type, elements, 50)
#define BENCHMARK_TYPE(type) \
BENCHMARK_ELEMENTS(type, 1 << 16), BENCHMARK_ELEMENTS(type, 1 << 20), \
BENCHMARK_ELEMENTS(type, 1 << 24), BENCHMARK_ELEMENTS(type, 1 << 28)
template <class Benchmark>
void add_benchmarks(const std::string& name,
std::vector<benchmark::internal::Benchmark*>& benchmarks,
const std::string seed_type)
{
std::vector<benchmark::internal::Benchmark*> bs = {BENCHMARK_TYPE(int8_t),
BENCHMARK_TYPE(int16_t),
BENCHMARK_TYPE(int32_t),
BENCHMARK_TYPE(int64_t)};
benchmarks.insert(benchmarks.end(), bs.begin(), bs.end());
}
int main(int argc, char* argv[])
{
cli::Parser parser(argc, argv);
parser.set_optional<std::string>(
"name_format", "name_format", "human", "either: json,human,txt");
parser.set_optional<std::string>("seed", "seed", "random", bench_utils::get_seed_message());
parser.run_and_exit_if_error();
// Parse argv
benchmark::Initialize(&argc, argv);
bench_utils::bench_naming::set_format(
parser.get<std::string>("name_format")); /* either: json,human,txt */
const std::string seed_type = parser.get<std::string>("seed");
// Benchmark info
bench_utils::add_common_benchmark_info();
benchmark::AddCustomContext("seed", seed_type);
// Add benchmark
std::vector<benchmark::internal::Benchmark*> benchmarks;
add_benchmarks<basic>("basic", benchmarks, seed_type);
// Use manual timing
for(auto& b : benchmarks)
{
b->UseManualTime();
b->Unit(benchmark::kMicrosecond);
b->MinTime(0.4); // in seconds
}
// Run benchmarks
benchmark::RunSpecifiedBenchmarks(bench_utils::ChooseCustomReporter());
// Finish
benchmark::Shutdown();
return 0;
}
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