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// 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 <numeric>
#include <vector>
#include "bench/utils.h"
#include <benchmark/benchmark.h>
#include <xnnpack.h>
#include <xnnpack/aligned-allocator.h>
#include <xnnpack/common.h>
#include <xnnpack/fft.h>
#include <xnnpack/microfnptr.h>
#include <xnnpack/microparams-init.h>
void cs16_fftr(
benchmark::State& state,
xnn_cs16_fftr_ukernel_fn fftr,
benchmark::utils::IsaCheckFunction isa_check = nullptr)
{
if ((isa_check != nullptr) && !isa_check(state)) {
return;
}
const size_t samples = state.range(0);
assert(samples % 2 == 0);
const size_t sample_size = samples * 2 + 2;
std::vector<int16_t, AlignedAllocator<int16_t, 64>> data(sample_size + XNN_EXTRA_BYTES / sizeof(int16_t));
std::vector<int16_t, AlignedAllocator<int16_t, 64>> twiddle(samples);
std::iota(data.begin(), data.end(), 0);
std::iota(twiddle.begin(), twiddle.end(), 2);
for (auto _ : state) {
fftr(samples, data.data(), twiddle.data());
}
const uint64_t cpu_frequency = benchmark::utils::GetCurrentCpuFrequency();
if (cpu_frequency != 0) {
state.counters["cpufreq"] = cpu_frequency;
}
}
static void BenchmarkKernelSize(benchmark::internal::Benchmark* b)
{
b->ArgNames({"samples"});
b->Args({256});
b->Args({1024});
}
#if XNN_ARCH_ARM && XNN_ENABLE_ASSEMBLY
BENCHMARK_CAPTURE(cs16_fftr, cs16_aarch32_neon_x1, xnn_cs16_fftr_ukernel__asm_aarch32_neon_x1)->Apply(BenchmarkKernelSize)->UseRealTime();
BENCHMARK_CAPTURE(cs16_fftr, cs16_aarch32_neon_x4, xnn_cs16_fftr_ukernel__asm_aarch32_neon_x4)->Apply(BenchmarkKernelSize)->UseRealTime();
#endif // XNN_ARCH_ARM && XNN_ENABLE_ASSEMBLY
#if XNN_ARCH_ARM || XNN_ARCH_ARM64
BENCHMARK_CAPTURE(cs16_fftr, cs16_neon_x4, xnn_cs16_fftr_ukernel__neon_x4)->Apply(BenchmarkKernelSize)->UseRealTime();
#endif // XNN_ARCH_ARM || XNN_ARCH_ARM64
BENCHMARK_CAPTURE(cs16_fftr, cs16_scalar_x1, xnn_cs16_fftr_ukernel__scalar_x1)->Apply(BenchmarkKernelSize)->UseRealTime();
BENCHMARK_CAPTURE(cs16_fftr, cs16_scalar_x2, xnn_cs16_fftr_ukernel__scalar_x2)->Apply(BenchmarkKernelSize)->UseRealTime();
BENCHMARK_CAPTURE(cs16_fftr, cs16_scalar_x4, xnn_cs16_fftr_ukernel__scalar_x4)->Apply(BenchmarkKernelSize)->UseRealTime();
#ifndef XNNPACK_BENCHMARK_NO_MAIN
BENCHMARK_MAIN();
#endif
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