67 lines
2.0 KiB
C++
67 lines
2.0 KiB
C++
// Copyright 2022 Google LLC
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//
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree.
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#include <algorithm>
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#include <cmath>
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#include <functional>
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#include <numeric>
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#include <vector>
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#include "bench/utils.h"
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#include <benchmark/benchmark.h>
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#include <xnnpack.h>
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#include <xnnpack/aligned-allocator.h>
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#include <xnnpack/common.h>
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#include <xnnpack/fft.h>
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#include <xnnpack/microfnptr.h>
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#include <xnnpack/microparams-init.h>
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void cs16_fftr(
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benchmark::State& state,
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xnn_cs16_fftr_ukernel_function fftr,
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benchmark::utils::IsaCheckFunction isa_check = nullptr)
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{
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if (isa_check && !isa_check(state)) {
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return;
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}
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const size_t samples = state.range(0);
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assert(samples % 2 == 0);
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const size_t sample_size = samples * 2 + 2;
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std::vector<int16_t, AlignedAllocator<int16_t, 64>> data(sample_size + XNN_EXTRA_BYTES / sizeof(int16_t));
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std::vector<int16_t, AlignedAllocator<int16_t, 64>> twiddle(samples);
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std::iota(data.begin(), data.end(), 0);
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std::iota(twiddle.begin(), twiddle.end(), 2);
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for (auto _ : state) {
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fftr(samples, data.data(), twiddle.data());
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}
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const uint64_t cpu_frequency = benchmark::utils::GetCurrentCpuFrequency();
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if (cpu_frequency != 0) {
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state.counters["cpufreq"] = cpu_frequency;
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}
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}
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static void BenchmarkKernelSize(benchmark::internal::Benchmark* b)
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{
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b->ArgNames({"samples"});
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b->Args({256});
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b->Args({1024});
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}
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BENCHMARK_CAPTURE(cs16_fftr, cs16_scalar_x1, xnn_cs16_fftr_ukernel__scalar_x1)->Apply(BenchmarkKernelSize)->UseRealTime();
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BENCHMARK_CAPTURE(cs16_fftr, cs16_scalar_x2, xnn_cs16_fftr_ukernel__scalar_x2)->Apply(BenchmarkKernelSize)->UseRealTime();
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BENCHMARK_CAPTURE(cs16_fftr, cs16_scalar_x3, xnn_cs16_fftr_ukernel__scalar_x3)->Apply(BenchmarkKernelSize)->UseRealTime();
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BENCHMARK_CAPTURE(cs16_fftr, cs16_scalar_x4, xnn_cs16_fftr_ukernel__scalar_x4)->Apply(BenchmarkKernelSize)->UseRealTime();
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#ifndef XNNPACK_BENCHMARK_NO_MAIN
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BENCHMARK_MAIN();
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#endif
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