90 lines
2.9 KiB
C++
90 lines
2.9 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_bfly4(
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benchmark::State& state,
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xnn_cs16_bfly4_ukernel_function bfly4,
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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 fft_size = state.range(0);
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const size_t samples = state.range(1);
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const size_t stride = state.range(2);
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assert(fft_size == samples * stride * 4); // 4 for bfly4.
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std::vector<int16_t, AlignedAllocator<int16_t, 64>> output(
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fft_size * 2 + XNN_EXTRA_BYTES / sizeof(int16_t));
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std::vector<int16_t, AlignedAllocator<int16_t, 64>> twiddle(
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fft_size * 2 + XNN_EXTRA_BYTES / sizeof(int16_t));
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std::iota(output.begin(), output.end(), 0);
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std::iota(twiddle.begin(), twiddle.end(), 0);
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for (auto _ : state) {
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bfly4(samples, output.data(), stride, 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({"fft_size", "samples", "stride"});
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b->Args({256, 64, 1});
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b->Args({256, 16, 4});
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b->Args({256, 4, 16});
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b->Args({256, 1, 64});
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b->Args({1024, 256, 1});
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b->Args({1024, 64, 4});
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b->Args({1024, 16, 16});
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b->Args({1024, 4, 64});
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b->Args({1024, 1, 256});
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}
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static void BenchmarkSamples1KernelSize(benchmark::internal::Benchmark* b)
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{
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b->ArgNames({"fft_size", "samples", "stride"});
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b->Args({256, 1, 64});
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b->Args({1024, 1, 256});
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}
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#if XNN_ARCH_ARM || XNN_ARCH_ARM64
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BENCHMARK_CAPTURE(cs16_bfly4, cs16_neon_m1, xnn_cs16_bfly4_samples1_ukernel__neon)->Apply(BenchmarkSamples1KernelSize)->UseRealTime();
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#endif // XNN_ARCH_ARM || XNN_ARCH_ARM64
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BENCHMARK_CAPTURE(cs16_bfly4, cs16_scalar_m1, xnn_cs16_bfly4_samples1_ukernel__scalar)->Apply(BenchmarkSamples1KernelSize)->UseRealTime();
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BENCHMARK_CAPTURE(cs16_bfly4, cs16_scalar_x1, xnn_cs16_bfly4_ukernel__scalar_x1)->Apply(BenchmarkKernelSize)->UseRealTime();
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BENCHMARK_CAPTURE(cs16_bfly4, cs16_scalar_x2, xnn_cs16_bfly4_ukernel__scalar_x2)->Apply(BenchmarkKernelSize)->UseRealTime();
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BENCHMARK_CAPTURE(cs16_bfly4, cs16_scalar_x3, xnn_cs16_bfly4_ukernel__scalar_x3)->Apply(BenchmarkKernelSize)->UseRealTime();
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BENCHMARK_CAPTURE(cs16_bfly4, cs16_scalar_x4, xnn_cs16_bfly4_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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