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// MIT License
//
// Copyright (c) 2022-2024 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.
// CUB's implementation of DeviceRunLengthEncode has unused parameters,
// disable the warning because all warnings are threated as errors:
#include "common_benchmark_header.hpp"
#include <benchmark/benchmark.h>
#include "cmdparser.hpp"
#include <hipcub/device/device_adjacent_difference.hpp>
#include <hip/hip_runtime_api.h>
#include <chrono>
#include <cstdint>
#include <iostream>
#include <string>
#include <vector>
namespace
{
#ifndef DEFAULT_N
constexpr std::size_t DEFAULT_N = 1024 * 1024 * 128;
#endif
constexpr unsigned int batch_size = 10;
constexpr unsigned int warmup_size = 5;
template<typename InputIt, typename OutputIt, typename... Args>
auto dispatch_adjacent_difference(std::true_type /*left*/,
std::true_type /*copy*/,
void* const temporary_storage,
std::size_t& storage_size,
const InputIt input,
const OutputIt output,
Args&&... args)
{
return ::hipcub::DeviceAdjacentDifference::SubtractLeftCopy(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::true_type /*copy*/,
void* const temporary_storage,
std::size_t& storage_size,
const InputIt input,
const OutputIt output,
Args&&... args)
{
return ::hipcub::DeviceAdjacentDifference::SubtractRightCopy(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::false_type /*copy*/,
void* const temporary_storage,
std::size_t& storage_size,
const InputIt input,
const OutputIt /*output*/,
Args&&... args)
{
return ::hipcub::DeviceAdjacentDifference::SubtractLeft(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::false_type /*copy*/,
void* const temporary_storage,
std::size_t& storage_size,
const InputIt input,
const OutputIt /*output*/,
Args&&... args)
{
return ::hipcub::DeviceAdjacentDifference::SubtractRight(temporary_storage,
storage_size,
input,
std::forward<Args>(args)...);
}
template<typename T, bool left, bool copy>
void run_benchmark(benchmark::State& state, const std::size_t size, const hipStream_t stream)
{
using output_type = T;
// Generate data
const std::vector<T> input = benchmark_utils::get_random_data<T>(size, 1, 100);
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(copy)
{
HIP_CHECK(hipMalloc(&d_output, size * sizeof(output_type)));
}
static constexpr std::integral_constant<bool, left> left_tag;
static constexpr std::integral_constant<bool, copy> copy_tag;
// Allocate temporary storage
std::size_t temp_storage_size{};
void* d_temp_storage = nullptr;
const auto launch = [&]
{
return dispatch_adjacent_difference(left_tag,
copy_tag,
d_temp_storage,
temp_storage_size,
d_input,
d_output,
size,
hipcub::Sum{},
stream);
};
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());
// Run
for(auto _ : state)
{
auto start = std::chrono::high_resolution_clock::now();
for(size_t i = 0; i < batch_size; i++)
{
HIP_CHECK(launch());
}
HIP_CHECK(hipStreamSynchronize(stream));
auto end = std::chrono::high_resolution_clock::now();
auto elapsed_seconds
= std::chrono::duration_cast<std::chrono::duration<double>>(end - start);
state.SetIterationTime(elapsed_seconds.count());
}
state.SetBytesProcessed(state.iterations() * batch_size * size * sizeof(T));
state.SetItemsProcessed(state.iterations() * batch_size * size);
HIP_CHECK(hipFree(d_input));
if(copy)
{
HIP_CHECK(hipFree(d_output));
}
HIP_CHECK(hipFree(d_temp_storage));
}
} // namespace
using namespace std::string_literals;
#define CREATE_BENCHMARK(T, left, copy) \
benchmark::RegisterBenchmark(std::string("device_adjacent_difference" \
"<data_type:" #T ">." \
"sub_algorithm_name:subtract_" \
+ std::string(left ? "left" : "right") \
+ std::string(copy ? "_copy" : "")) \
.c_str(), \
&run_benchmark<T, left, copy>, \
size, \
stream)
// clang-format off
#define CREATE_BENCHMARKS(T) \
CREATE_BENCHMARK(T, true, false), \
CREATE_BENCHMARK(T, true, true), \
CREATE_BENCHMARK(T, false, false), \
CREATE_BENCHMARK(T, false, true)
// clang-format on
int main(int argc, char* argv[])
{
cli::Parser parser(argc, argv);
parser.set_optional<size_t>("size", "size", DEFAULT_N, "number of values");
parser.set_optional<int>("trials", "trials", -1, "number of iterations");
parser.run_and_exit_if_error();
// Parse argv
benchmark::Initialize(&argc, argv);
const size_t size = parser.get<size_t>("size");
const int trials = parser.get<int>("trials");
// HIP
const hipStream_t stream = 0; // default
hipDeviceProp_t devProp;
int device_id = 0;
HIP_CHECK(hipGetDevice(&device_id));
HIP_CHECK(hipGetDeviceProperties(&devProp, device_id));
std::cout << "benchmark_device_adjacent_difference" << std::endl;
std::cout << "[HIP] Device name: " << devProp.name << std::endl;
using custom_float2 = benchmark_utils::custom_type<float, float>;
using custom_double2 = benchmark_utils::custom_type<double, double>;
// Add benchmarks
const std::vector<benchmark::internal::Benchmark*> benchmarks = {
CREATE_BENCHMARKS(int),
CREATE_BENCHMARKS(std::int64_t),
CREATE_BENCHMARKS(uint8_t),
CREATE_BENCHMARKS(float),
CREATE_BENCHMARKS(double),
CREATE_BENCHMARKS(custom_float2),
CREATE_BENCHMARKS(custom_double2),
};
// Use manual timing
for(auto& b : benchmarks)
{
b->UseManualTime();
b->Unit(benchmark::kMillisecond);
}
// Force number of iterations
if(trials > 0)
{
for(auto& b : benchmarks)
{
b->Iterations(trials);
}
}
// Run benchmarks
benchmark::RunSpecifiedBenchmarks();
return 0;
}
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