69 lines
2.2 KiB
C++
69 lines
2.2 KiB
C++
// Copyright 2022 Google LLC
|
|
//
|
|
// This source code is licensed under the BSD-style license found in the
|
|
// LICENSE file in the root directory of this source tree.
|
|
|
|
#include <algorithm>
|
|
#include <cmath>
|
|
#include <functional>
|
|
#include <random>
|
|
#include <vector>
|
|
|
|
#include <benchmark/benchmark.h>
|
|
#include "bench/utils.h"
|
|
|
|
#include <xnnpack.h>
|
|
#include <xnnpack/aligned-allocator.h>
|
|
#include <xnnpack/common.h>
|
|
#include <xnnpack/microfnptr.h>
|
|
#include <xnnpack/microparams-init.h>
|
|
#include <xnnpack/vunary.h>
|
|
|
|
|
|
static void u64_u32_vsqrtshift(
|
|
benchmark::State& state,
|
|
xnn_u64_u32_vsqrtshift_ukernel_function vsqrtshift,
|
|
benchmark::utils::IsaCheckFunction isa_check = nullptr)
|
|
{
|
|
if (isa_check && !isa_check(state)) {
|
|
return;
|
|
}
|
|
|
|
const size_t num_elements = state.range(0);
|
|
|
|
std::random_device random_device;
|
|
auto rng = std::mt19937(random_device());
|
|
auto u64rng = std::bind(std::uniform_int_distribution<uint64_t>(), std::ref(rng));
|
|
|
|
std::vector<uint64_t, AlignedAllocator<uint64_t, 64>> x(num_elements + XNN_EXTRA_BYTES / sizeof(uint64_t));
|
|
std::vector<uint32_t, AlignedAllocator<uint32_t, 64>> y(num_elements);
|
|
std::generate(x.begin(), x.end(), std::ref(u64rng));
|
|
std::fill(y.begin(), y.end(), UINT32_C(0xDEADBEEF));
|
|
|
|
for (auto _ : state) {
|
|
vsqrtshift(num_elements * sizeof(uint64_t), x.data(), y.data(), 1 /* shift */);
|
|
}
|
|
|
|
const uint64_t cpu_frequency = benchmark::utils::GetCurrentCpuFrequency();
|
|
if (cpu_frequency != 0) {
|
|
state.counters["cpufreq"] = cpu_frequency;
|
|
}
|
|
|
|
const size_t elements_per_iteration = num_elements;
|
|
state.counters["elements"] =
|
|
benchmark::Counter(uint64_t(state.iterations()) * elements_per_iteration, benchmark::Counter::kIsRate);
|
|
|
|
const size_t bytes_per_iteration = num_elements * (sizeof(uint64_t) + sizeof(uint32_t));
|
|
state.counters["bytes"] =
|
|
benchmark::Counter(uint64_t(state.iterations()) * bytes_per_iteration, benchmark::Counter::kIsRate);
|
|
}
|
|
|
|
BENCHMARK_CAPTURE(u64_u32_vsqrtshift, scalar_cvtu32_sqrt_cvtu32f64_x1,
|
|
xnn_u64_u32_vsqrtshift_ukernel__scalar_cvtu32_sqrt_cvtu32f64_x1)
|
|
->Apply(benchmark::utils::UnaryElementwiseParameters<uint64_t, uint32_t>)
|
|
->UseRealTime();
|
|
|
|
#ifndef XNNPACK_BENCHMARK_NO_MAIN
|
|
BENCHMARK_MAIN();
|
|
#endif
|