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benchmark_device_adjacent_difference.parallel.hpp
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// MIT License
//
// Copyright (c) 2019-2024 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_ADJACENT_DIFFERENCE_PARALLEL_HPP_
#define ROCPRIM_BENCHMARK_DEVICE_ADJACENT_DIFFERENCE_PARALLEL_HPP_
#include "benchmark_utils.hpp"
// Google Benchmark
#include <benchmark/benchmark.h>
// HIP API
#include <hip/hip_runtime_api.h>
// rocPRIM
#include <rocprim/device/device_adjacent_difference.hpp>
#include <rocprim/type_traits.hpp>
#include <string>
#include <vector>
#include <cstddef>
template<typename Config>
std::string config_name()
{
//const rocprim::adjacent_difference_config = Config();
auto config = Config();
return "{bs:" + std::to_string(config.block_size)
+ ",ipt:" + std::to_string(config.items_per_thread) + "}";
}
template<>
inline std::string config_name<rocprim::default_config>()
{
return "default_config";
}
template<typename T = int,
bool Left = false,
bool InPlace = false,
typename Config = rocprim::default_config>
struct device_adjacent_difference_benchmark : public config_autotune_interface
{
std::string name() const override
{
using namespace std::string_literals;
return bench_naming::format_name("{lvl:device,algo:adjacent_difference"
+ (Left ? ""s : "_right"s) + (InPlace ? "_inplace"s : ""s)
+ ",value_type:" + std::string(Traits<T>::name())
+ ",cfg:" + config_name<Config>() + "}");
}
static constexpr unsigned int batch_size = 10;
static constexpr unsigned int warmup_size = 5;
template<typename InputIt, typename OutputIt, typename... Args>
auto dispatch_adjacent_difference(std::true_type /*left*/,
std::false_type /*in_place*/,
void* const temporary_storage,
std::size_t& storage_size,
const InputIt input,
const OutputIt output,
Args&&... args) const
{
return ::rocprim::adjacent_difference<Config>(temporary_storage,
storage_size,
input,
output,
std::forward<Args>(args)...);
}
template<typename InputIt, typename OutputIt, typename... Args>
auto dispatch_adjacent_difference(std::false_type /*left*/,
std::false_type /*in_place*/,
void* const temporary_storage,
std::size_t& storage_size,
const InputIt input,
const OutputIt output,
Args&&... args) const
{
return ::rocprim::adjacent_difference_right<Config>(temporary_storage,
storage_size,
input,
output,
std::forward<Args>(args)...);
}
template<typename InputIt, typename OutputIt, typename... Args>
auto dispatch_adjacent_difference(std::true_type /*left*/,
std::true_type /*in_place*/,
void* const temporary_storage,
std::size_t& storage_size,
const InputIt input,
const OutputIt /*output*/,
Args&&... args) const
{
return ::rocprim::adjacent_difference_inplace<Config>(temporary_storage,
storage_size,
input,
std::forward<Args>(args)...);
}
template<typename InputIt, typename OutputIt, typename... Args>
auto dispatch_adjacent_difference(std::false_type /*left*/,
std::true_type /*in_place*/,
void* const temporary_storage,
std::size_t& storage_size,
const InputIt input,
const OutputIt /*output*/,
Args&&... args) const
{
return ::rocprim::adjacent_difference_right_inplace<Config>(temporary_storage,
storage_size,
input,
std::forward<Args>(args)...);
}
void run(benchmark::State& state,
const std::size_t bytes,
const managed_seed& seed,
hipStream_t stream) const override
{
using output_type = T;
static constexpr bool debug_synchronous = false;
// Generate data
const size_t size = bytes / sizeof(T);
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));
if(!InPlace)
{
HIP_CHECK(hipMalloc(&d_output, size * sizeof(output_type)));
}
static constexpr auto left_tag = rocprim::detail::bool_constant<Left>{};
static constexpr auto in_place_tag = rocprim::detail::bool_constant<InPlace>{};
// Allocate temporary storage
std::size_t temp_storage_size;
void* d_temp_storage = nullptr;
const auto launch = [&]
{
return dispatch_adjacent_difference(left_tag,
in_place_tag,
d_temp_storage,
temp_storage_size,
d_input,
d_output,
size,
rocprim::plus<>{},
stream,
debug_synchronous);
};
HIP_CHECK(launch());
HIP_CHECK(hipMalloc(&d_temp_storage, temp_storage_size));
// 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);
hipFree(d_input);
if(!InPlace)
{
hipFree(d_output);
}
hipFree(d_temp_storage);
}
};
template<typename T, unsigned int BlockSize, bool Left, bool InPlace>
struct device_adjacent_difference_benchmark_generator
{
static constexpr unsigned int min_items_per_thread = 0;
static constexpr unsigned int max_items_per_thread_arg
= TUNING_SHARED_MEMORY_MAX / (BlockSize * sizeof(T) * 2 + sizeof(T));
template<unsigned int IptValueIndex>
struct create_ipt
{
// Device Adjacent difference uses block_load/store_transpose to coalesc memory transaction to global memory
// However it accesses shared memory with a stride of items per thread, which leads to reduced performance if power
// of two is used for small types. Experiments shown that primes are the best choice for performance.
static constexpr int primes[] = {1, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37,
41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97};
static constexpr uint ipt_num = primes[IptValueIndex];
using generated_config = rocprim::adjacent_difference_config<BlockSize, ipt_num>;
void operator()(std::vector<std::unique_ptr<config_autotune_interface>>& storage)
{
if(ipt_num < max_items_per_thread_arg)
{
storage.emplace_back(
std::make_unique<device_adjacent_difference_benchmark<T,
Left,
InPlace,
generated_config>>());
}
}
};
static void create(std::vector<std::unique_ptr<config_autotune_interface>>& storage)
{
static constexpr unsigned int max_items_per_thread
= rocprim::Log2<max_items_per_thread_arg>::VALUE;
static_for_each<make_index_range<unsigned int, min_items_per_thread, max_items_per_thread>,
create_ipt>(storage);
}
};
#endif // ROCPRIM_BENCHMARK_DEVICE_ADJACENT_DIFFERENCE_PARALLEL_HPP_