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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.
#ifndef ROCPRIM_BENCHMARK_DEVICE_TRANSFORM_PARALLEL_HPP_
#define ROCPRIM_BENCHMARK_DEVICE_TRANSFORM_PARALLEL_HPP_
#include <cstddef>
#include <string>
#include <vector>
// Google Benchmark
#include <benchmark/benchmark.h>
// HIP API
#include <hip/hip_runtime_api.h>
// rocPRIM
#include <rocprim/detail/various.hpp>
#include <rocprim/device/device_transform.hpp>
#include "benchmark_utils.hpp"
template<typename Config>
std::string transform_config_name()
{
auto config = Config();
return "{bs:" + std::to_string(config.block_size)
+ ",ipt:" + std::to_string(config.items_per_thread) + "}";
}
template<>
inline std::string transform_config_name<rocprim::default_config>()
{
return "default_config";
}
template<typename T = int, typename Config = rocprim::default_config>
struct device_transform_benchmark : public config_autotune_interface
{
std::string name() const override
{
using namespace std::string_literals;
return bench_naming::format_name("{lvl:device,algo:transform,value_type:"
+ std::string(Traits<T>::name())
+ ",cfg:" + transform_config_name<Config>() + "}");
}
static constexpr unsigned int batch_size = 10;
static constexpr unsigned int warmup_size = 5;
void run(benchmark::State& state,
size_t bytes,
const managed_seed& seed,
hipStream_t stream) const override
{
using output_type = T;
// Calculate the number of elements
size_t size = bytes / sizeof(T);
static constexpr bool debug_synchronous = false;
// Generate data
const auto random_range = limit_random_range<T>(1, 100);
const std::vector<T> input
= get_random_data<T>(size, random_range.first, random_range.second, seed.get_0());
T* d_input;
output_type* d_output = nullptr;
HIP_CHECK(hipMalloc(&d_input, input.size() * sizeof(input[0])));
HIP_CHECK(hipMemcpy(d_input,
input.data(),
input.size() * sizeof(input[0]),
hipMemcpyHostToDevice));
HIP_CHECK(hipMalloc(&d_output, size * sizeof(output_type)));
const auto launch = [&]
{
auto transform_op = [](T v) { return v + T(5); };
return rocprim::transform<Config>(d_input,
d_output,
size,
transform_op,
stream,
debug_synchronous);
};
// Warm-up
for(size_t i = 0; i < warmup_size; i++)
{
HIP_CHECK(launch());
}
HIP_CHECK(hipDeviceSynchronize());
// HIP events creation
hipEvent_t start, stop;
HIP_CHECK(hipEventCreate(&start));
HIP_CHECK(hipEventCreate(&stop));
// Run
for(auto _ : state)
{
// Record start event
HIP_CHECK(hipEventRecord(start, stream));
for(size_t i = 0; i < batch_size; i++)
{
HIP_CHECK(launch());
}
// Record stop event and wait until it completes
HIP_CHECK(hipEventRecord(stop, stream));
HIP_CHECK(hipEventSynchronize(stop));
float elapsed_mseconds;
HIP_CHECK(hipEventElapsedTime(&elapsed_mseconds, start, stop));
state.SetIterationTime(elapsed_mseconds / 1000);
}
// Destroy HIP events
HIP_CHECK(hipEventDestroy(start));
HIP_CHECK(hipEventDestroy(stop));
state.SetBytesProcessed(state.iterations() * batch_size * size * sizeof(T));
state.SetItemsProcessed(state.iterations() * batch_size * size);
HIP_CHECK(hipFree(d_input));
HIP_CHECK(hipFree(d_output));
}
};
template<typename T, unsigned int BlockSize>
struct device_transform_benchmark_generator
{
template<unsigned int ItemsPerThread>
struct create_ipt
{
using generated_config = rocprim::transform_config<BlockSize, 1 << ItemsPerThread>;
void operator()(std::vector<std::unique_ptr<config_autotune_interface>>& storage)
{
storage.emplace_back(
std::make_unique<device_transform_benchmark<T, generated_config>>());
}
};
static void create(std::vector<std::unique_ptr<config_autotune_interface>>& storage)
{
static constexpr unsigned int min_items_per_thread = 0;
static constexpr unsigned int max_items_per_thread = rocprim::Log2<16>::VALUE;
static_for_each<make_index_range<unsigned int, min_items_per_thread, max_items_per_thread>,
create_ipt>(storage);
}
};
#endif // ROCPRIM_BENCHMARK_DEVICE_TRANSFORM_PARALLEL_HPP_
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