Additional variants of Softmax microkernels
PiperOrigin-RevId: 284483874
diff --git a/bench/f32-vscaleexpminusmax.cc b/bench/f32-vscaleexpminusmax.cc
new file mode 100644
index 0000000..5cbe181
--- /dev/null
+++ b/bench/f32-vscaleexpminusmax.cc
@@ -0,0 +1,203 @@
+#include <algorithm>
+#include <cfloat>
+#include <chrono>
+#include <cmath>
+#include <functional>
+#include <random>
+#include <vector>
+
+#include "bench/utils.h"
+#include <xnnpack/AlignedAllocator.h>
+#include <xnnpack/common.h>
+#include <xnnpack/params.h>
+#include <xnnpack/rmax.h>
+#include <xnnpack/raddexpminusmax.h>
+#include <xnnpack/vscaleexpminusmax.h>
+
+#include <benchmark/benchmark.h>
+
+
+static void f32_vscaleexpminusmax(
+ benchmark::State& state,
+ xnn_f32_rmax_ukernel_function rmax,
+ xnn_f32_raddexpminusmax_ukernel_function raddexpminusmax,
+ xnn_f32_vscaleexpminusmax_ukernel_function vscaleexpminusmax,
+ benchmark::utils::IsaCheckFunction isa_check = nullptr)
+{
+ if (isa_check && !isa_check(state)) {
+ return;
+ }
+
+ const size_t n = state.range(0);
+ const size_t cache_line_size_max = 128;
+ const size_t packed_n = benchmark::utils::RoundUp(n, cache_line_size_max / sizeof(float));
+
+ std::random_device random_device;
+ auto rng = std::mt19937(random_device());
+ auto f32rng = std::bind(std::uniform_real_distribution<float>(-1000.0f, 1000.0f), rng);
+
+ const size_t num_buffers = 1 +
+ benchmark::utils::DivideRoundUp<size_t>(benchmark::utils::GetMaxCacheSize(), packed_n * sizeof(float));
+ std::vector<float, AlignedAllocator<float, 64>> x(n);
+ std::vector<float, AlignedAllocator<float, 64>> y(packed_n * num_buffers);
+
+ std::generate(x.begin(), x.end(), std::ref(f32rng));
+
+ benchmark::utils::DisableDenormals();
+
+ size_t buffer_index = 0;
+ for (auto _ : state) {
+ state.PauseTiming();
+ float x_max = nanf("");
+ rmax(n * sizeof(float), x.data(), &x_max);
+ float y_sum = nanf("");
+ raddexpminusmax(n * sizeof(float), x.data(), &y_sum, x_max);
+ if (++buffer_index == num_buffers) {
+ buffer_index = 0;
+ }
+ state.ResumeTiming();
+
+ vscaleexpminusmax(n * sizeof(float), x.data(), y.data() + packed_n * buffer_index, x_max, 1.0f / y_sum);
+ }
+
+ state.counters["Freq"] = benchmark::utils::GetCurrentCpuFrequency();
+ state.counters["elements"] =
+ benchmark::Counter(uint64_t(state.iterations()) * n, benchmark::Counter::kIsRate);
+ state.counters["bytes"] =
+ benchmark::Counter(uint64_t(state.iterations()) * 2 * sizeof(float) * n, benchmark::Counter::kIsRate);
+}
+
+static void CharacteristicArguments(benchmark::internal::Benchmark* b) {
+ b->ArgName("N");
+ for (int32_t n = 10000; n <= 100000000; n *= 10) {
+ b->Arg(n);
+ }
+}
+
+#if XNN_ARCH_X86 || XNN_ARCH_X86_64
+ BENCHMARK_CAPTURE(f32_vscaleexpminusmax, avx512f_p5_scalef_x16,
+ xnn_f32_rmax_ukernel__avx512f,
+ xnn_f32_raddexpminusmax_ukernel__avx512f_p5_scalef_x128_acc2,
+ xnn_f32_vscaleexpminusmax_ukernel__avx512f_p5_scalef_x16,
+ benchmark::utils::CheckAVX512F)->Apply(CharacteristicArguments)->UseRealTime();
+ BENCHMARK_CAPTURE(f32_vscaleexpminusmax, avx512f_p5_scalef_x32,
+ xnn_f32_rmax_ukernel__avx512f,
+ xnn_f32_raddexpminusmax_ukernel__avx512f_p5_scalef_x128_acc2,
+ xnn_f32_vscaleexpminusmax_ukernel__avx512f_p5_scalef_x32,
+ benchmark::utils::CheckAVX512F)->Apply(CharacteristicArguments)->UseRealTime();
+ BENCHMARK_CAPTURE(f32_vscaleexpminusmax, avx512f_p5_scalef_x48,
+ xnn_f32_rmax_ukernel__avx512f,
+ xnn_f32_raddexpminusmax_ukernel__avx512f_p5_scalef_x128_acc2,
+ xnn_f32_vscaleexpminusmax_ukernel__avx512f_p5_scalef_x48,
+ benchmark::utils::CheckAVX512F)->Apply(CharacteristicArguments)->UseRealTime();
+ BENCHMARK_CAPTURE(f32_vscaleexpminusmax, avx512f_p5_scalef_x64,
+ xnn_f32_rmax_ukernel__avx512f,
+ xnn_f32_raddexpminusmax_ukernel__avx512f_p5_scalef_x128_acc2,
+ xnn_f32_vscaleexpminusmax_ukernel__avx512f_p5_scalef_x64,
+ benchmark::utils::CheckAVX512F)->Apply(CharacteristicArguments)->UseRealTime();
+ BENCHMARK_CAPTURE(f32_vscaleexpminusmax, avx512f_p5_scalef_x80,
+ xnn_f32_rmax_ukernel__avx512f,
+ xnn_f32_raddexpminusmax_ukernel__avx512f_p5_scalef_x128_acc2,
+ xnn_f32_vscaleexpminusmax_ukernel__avx512f_p5_scalef_x80,
+ benchmark::utils::CheckAVX512F)->Apply(CharacteristicArguments)->UseRealTime();
+ BENCHMARK_CAPTURE(f32_vscaleexpminusmax, avx512f_p5_scalef_x96,
+ xnn_f32_rmax_ukernel__avx512f,
+ xnn_f32_raddexpminusmax_ukernel__avx512f_p5_scalef_x128_acc2,
+ xnn_f32_vscaleexpminusmax_ukernel__avx512f_p5_scalef_x96,
+ benchmark::utils::CheckAVX512F)->Apply(CharacteristicArguments)->UseRealTime();
+ BENCHMARK_CAPTURE(f32_vscaleexpminusmax, avx512f_p5_scalef_x112,
+ xnn_f32_rmax_ukernel__avx512f,
+ xnn_f32_raddexpminusmax_ukernel__avx512f_p5_scalef_x128_acc2,
+ xnn_f32_vscaleexpminusmax_ukernel__avx512f_p5_scalef_x112,
+ benchmark::utils::CheckAVX512F)->Apply(CharacteristicArguments)->UseRealTime();
+ BENCHMARK_CAPTURE(f32_vscaleexpminusmax, avx512f_p5_scalef_x128,
+ xnn_f32_rmax_ukernel__avx512f,
+ xnn_f32_raddexpminusmax_ukernel__avx512f_p5_scalef_x128_acc2,
+ xnn_f32_vscaleexpminusmax_ukernel__avx512f_p5_scalef_x128,
+ benchmark::utils::CheckAVX512F)->Apply(CharacteristicArguments)->UseRealTime();
+ BENCHMARK_CAPTURE(f32_vscaleexpminusmax, avx512f_p5_scalef_x144,
+ xnn_f32_rmax_ukernel__avx512f,
+ xnn_f32_raddexpminusmax_ukernel__avx512f_p5_scalef_x128_acc2,
+ xnn_f32_vscaleexpminusmax_ukernel__avx512f_p5_scalef_x144,
+ benchmark::utils::CheckAVX512F)->Apply(CharacteristicArguments)->UseRealTime();
+ BENCHMARK_CAPTURE(f32_vscaleexpminusmax, avx512f_p5_scalef_x160,
+ xnn_f32_rmax_ukernel__avx512f,
+ xnn_f32_raddexpminusmax_ukernel__avx512f_p5_scalef_x128_acc2,
+ xnn_f32_vscaleexpminusmax_ukernel__avx512f_p5_scalef_x160,
+ benchmark::utils::CheckAVX512F)->Apply(CharacteristicArguments)->UseRealTime();
+ BENCHMARK_CAPTURE(f32_vscaleexpminusmax, avx512f_p5_scalef_x176,
+ xnn_f32_rmax_ukernel__avx512f,
+ xnn_f32_raddexpminusmax_ukernel__avx512f_p5_scalef_x128_acc2,
+ xnn_f32_vscaleexpminusmax_ukernel__avx512f_p5_scalef_x176,
+ benchmark::utils::CheckAVX512F)->Apply(CharacteristicArguments)->UseRealTime();
+ BENCHMARK_CAPTURE(f32_vscaleexpminusmax, avx512f_p5_scalef_x192,
+ xnn_f32_rmax_ukernel__avx512f,
+ xnn_f32_raddexpminusmax_ukernel__avx512f_p5_scalef_x128_acc2,
+ xnn_f32_vscaleexpminusmax_ukernel__avx512f_p5_scalef_x192,
+ benchmark::utils::CheckAVX512F)->Apply(CharacteristicArguments)->UseRealTime();
+
+ BENCHMARK_CAPTURE(f32_vscaleexpminusmax, avx2_p5_x8,
+ xnn_f32_rmax_ukernel__avx,
+ xnn_f32_raddexpminusmax_ukernel__avx2_p5_x80_acc2,
+ xnn_f32_vscaleexpminusmax_ukernel__avx2_p5_x8,
+ benchmark::utils::CheckAVX2)->Apply(CharacteristicArguments)->UseRealTime();
+ BENCHMARK_CAPTURE(f32_vscaleexpminusmax, avx2_p5_x16,
+ xnn_f32_rmax_ukernel__avx,
+ xnn_f32_raddexpminusmax_ukernel__avx2_p5_x80_acc2,
+ xnn_f32_vscaleexpminusmax_ukernel__avx2_p5_x16,
+ benchmark::utils::CheckAVX2)->Apply(CharacteristicArguments)->UseRealTime();
+ BENCHMARK_CAPTURE(f32_vscaleexpminusmax, avx2_p5_x24,
+ xnn_f32_rmax_ukernel__avx,
+ xnn_f32_raddexpminusmax_ukernel__avx2_p5_x80_acc2,
+ xnn_f32_vscaleexpminusmax_ukernel__avx2_p5_x24,
+ benchmark::utils::CheckAVX2)->Apply(CharacteristicArguments)->UseRealTime();
+ BENCHMARK_CAPTURE(f32_vscaleexpminusmax, avx2_p5_x32,
+ xnn_f32_rmax_ukernel__avx,
+ xnn_f32_raddexpminusmax_ukernel__avx2_p5_x80_acc2,
+ xnn_f32_vscaleexpminusmax_ukernel__avx2_p5_x32,
+ benchmark::utils::CheckAVX2)->Apply(CharacteristicArguments)->UseRealTime();
+ BENCHMARK_CAPTURE(f32_vscaleexpminusmax, avx2_p5_x40,
+ xnn_f32_rmax_ukernel__avx,
+ xnn_f32_raddexpminusmax_ukernel__avx2_p5_x80_acc2,
+ xnn_f32_vscaleexpminusmax_ukernel__avx2_p5_x40,
+ benchmark::utils::CheckAVX2)->Apply(CharacteristicArguments)->UseRealTime();
+ BENCHMARK_CAPTURE(f32_vscaleexpminusmax, avx2_p5_x48,
+ xnn_f32_rmax_ukernel__avx,
+ xnn_f32_raddexpminusmax_ukernel__avx2_p5_x80_acc2,
+ xnn_f32_vscaleexpminusmax_ukernel__avx2_p5_x48,
+ benchmark::utils::CheckAVX2)->Apply(CharacteristicArguments)->UseRealTime();
+ BENCHMARK_CAPTURE(f32_vscaleexpminusmax, avx2_p5_x56,
+ xnn_f32_rmax_ukernel__avx,
+ xnn_f32_raddexpminusmax_ukernel__avx2_p5_x80_acc2,
+ xnn_f32_vscaleexpminusmax_ukernel__avx2_p5_x56,
+ benchmark::utils::CheckAVX2)->Apply(CharacteristicArguments)->UseRealTime();
+ BENCHMARK_CAPTURE(f32_vscaleexpminusmax, avx2_p5_x64,
+ xnn_f32_rmax_ukernel__avx,
+ xnn_f32_raddexpminusmax_ukernel__avx2_p5_x80_acc2,
+ xnn_f32_vscaleexpminusmax_ukernel__avx2_p5_x64,
+ benchmark::utils::CheckAVX2)->Apply(CharacteristicArguments)->UseRealTime();
+ BENCHMARK_CAPTURE(f32_vscaleexpminusmax, avx2_p5_x72,
+ xnn_f32_rmax_ukernel__avx,
+ xnn_f32_raddexpminusmax_ukernel__avx2_p5_x80_acc2,
+ xnn_f32_vscaleexpminusmax_ukernel__avx2_p5_x72,
+ benchmark::utils::CheckAVX2)->Apply(CharacteristicArguments)->UseRealTime();
+ BENCHMARK_CAPTURE(f32_vscaleexpminusmax, avx2_p5_x80,
+ xnn_f32_rmax_ukernel__avx,
+ xnn_f32_raddexpminusmax_ukernel__avx2_p5_x80_acc2,
+ xnn_f32_vscaleexpminusmax_ukernel__avx2_p5_x80,
+ benchmark::utils::CheckAVX2)->Apply(CharacteristicArguments)->UseRealTime();
+ BENCHMARK_CAPTURE(f32_vscaleexpminusmax, avx2_p5_x88,
+ xnn_f32_rmax_ukernel__avx,
+ xnn_f32_raddexpminusmax_ukernel__avx2_p5_x80_acc2,
+ xnn_f32_vscaleexpminusmax_ukernel__avx2_p5_x88,
+ benchmark::utils::CheckAVX2)->Apply(CharacteristicArguments)->UseRealTime();
+ BENCHMARK_CAPTURE(f32_vscaleexpminusmax, avx2_p5_x96,
+ xnn_f32_rmax_ukernel__avx,
+ xnn_f32_raddexpminusmax_ukernel__avx2_p5_x80_acc2,
+ xnn_f32_vscaleexpminusmax_ukernel__avx2_p5_x96,
+ benchmark::utils::CheckAVX2)->Apply(CharacteristicArguments)->UseRealTime();
+#endif // XNN_ARCH_X86 || XNN_ARCH_X86_64
+
+#ifndef XNNPACK_BENCHMARK_NO_MAIN
+BENCHMARK_MAIN();
+#endif