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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_PARTIAL_SORT_PARALLEL_HPP_
#define ROCPRIM_BENCHMARK_DEVICE_PARTIAL_SORT_PARALLEL_HPP_
#include "benchmark_utils.hpp"
// Google Benchmark
#include <benchmark/benchmark.h>
// HIP API
#include <hip/hip_runtime.h>
// rocPRIM
#include <rocprim/device/device_partial_sort.hpp>
#include <string>
#include <vector>
#include <cstddef>
template<typename Key = int, typename Config = rocprim::default_config>
struct device_partial_sort_benchmark : public config_autotune_interface
{
bool small_n = false;
device_partial_sort_benchmark(bool SmallN)
{
small_n = SmallN;
}
std::string name() const override
{
using namespace std::string_literals;
return bench_naming::format_name(
"{lvl:device,algo:partial_sort,nth:" + (small_n ? "small"s : "half"s)
+ ",key_type:" + std::string(Traits<Key>::name()) + ",cfg:default_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 key_type = Key;
// Calculate the number of elements
size_t size = bytes / sizeof(key_type);
size_t middle = 10;
if(!small_n)
{
middle = size / 2;
}
// Generate data
std::vector<key_type> keys_input
= get_random_data<key_type>(size,
generate_limits<key_type>::min(),
generate_limits<key_type>::max(),
seed.get_0());
key_type* d_keys_input;
key_type* d_keys_new_data;
HIP_CHECK(hipMalloc(&d_keys_input, size * sizeof(*d_keys_input)));
HIP_CHECK(hipMalloc(&d_keys_new_data, size * sizeof(*d_keys_new_data)));
HIP_CHECK(hipMemcpy(d_keys_new_data,
keys_input.data(),
size * sizeof(*d_keys_input),
hipMemcpyHostToDevice));
rocprim::less<key_type> lesser_op;
void* d_temporary_storage = nullptr;
size_t temporary_storage_bytes = 0;
HIP_CHECK(rocprim::partial_sort(d_temporary_storage,
temporary_storage_bytes,
d_keys_input,
middle,
size,
lesser_op,
stream,
false));
HIP_CHECK(hipMalloc(&d_temporary_storage, temporary_storage_bytes));
// Warm-up
for(size_t i = 0; i < warmup_size; i++)
{
HIP_CHECK(hipMemcpy(d_keys_input,
d_keys_new_data,
size * sizeof(*d_keys_input),
hipMemcpyDeviceToDevice));
HIP_CHECK(rocprim::partial_sort(d_temporary_storage,
temporary_storage_bytes,
d_keys_input,
middle,
size,
lesser_op,
stream,
false));
}
HIP_CHECK(hipDeviceSynchronize());
// HIP events creation
hipEvent_t start, stop;
HIP_CHECK(hipEventCreate(&start));
HIP_CHECK(hipEventCreate(&stop));
for(auto _ : state)
{
float elapsed_mseconds = 0;
for(size_t i = 0; i < batch_size; i++)
{
HIP_CHECK(hipMemcpy(d_keys_input,
d_keys_new_data,
size * sizeof(*d_keys_input),
hipMemcpyDeviceToDevice));
// Record start event
HIP_CHECK(hipEventRecord(start, stream));
HIP_CHECK(rocprim::partial_sort(d_temporary_storage,
temporary_storage_bytes,
d_keys_input,
middle,
size,
lesser_op,
stream,
false));
// Record stop event and wait until it completes
HIP_CHECK(hipEventRecord(stop, stream));
HIP_CHECK(hipEventSynchronize(stop));
float elapsed_mseconds_current;
HIP_CHECK(hipEventElapsedTime(&elapsed_mseconds_current, start, stop));
elapsed_mseconds += elapsed_mseconds_current;
}
state.SetIterationTime(elapsed_mseconds / 1000);
}
// Destroy HIP events
HIP_CHECK(hipEventDestroy(start));
HIP_CHECK(hipEventDestroy(stop));
state.SetBytesProcessed(state.iterations() * batch_size * size * sizeof(*d_keys_input));
state.SetItemsProcessed(state.iterations() * batch_size * size);
HIP_CHECK(hipFree(d_temporary_storage));
HIP_CHECK(hipFree(d_keys_input));
HIP_CHECK(hipFree(d_keys_new_data));
}
};
#endif // ROCPRIM_BENCHMARK_DEVICE_PARTIAL_SORT_PARALLEL_HPP_
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