94 lines
2.4 KiB
C++
94 lines
2.4 KiB
C++
#pragma once
|
|
|
|
#include <chrono>
|
|
#include <cmath>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include <benchmark/benchmark.h>
|
|
|
|
// Default values if not overridden by range multipliers
|
|
constexpr size_t DEFAULT_N = 10'000'000;
|
|
|
|
template <typename Backend>
|
|
static void benchmark_sinf(benchmark::State &state) {
|
|
const size_t N = static_cast<size_t>(state.range(0));
|
|
std::vector<float> x(N), s(N);
|
|
|
|
for (size_t i = 0; i < N; ++i) {
|
|
x[i] = (i % 360) * 0.0174533f; // degrees to radians
|
|
}
|
|
|
|
Backend backend;
|
|
|
|
auto start = std::chrono::high_resolution_clock::now();
|
|
backend.init(N);
|
|
auto end = std::chrono::high_resolution_clock::now();
|
|
state.counters["init_ms"] =
|
|
std::chrono::duration_cast<std::chrono::microseconds>(end - start)
|
|
.count() /
|
|
1.e3;
|
|
|
|
for (auto _ : state) {
|
|
backend.compute_sinf(N, x.data(), s.data());
|
|
benchmark::DoNotOptimize(s);
|
|
}
|
|
|
|
state.SetItemsProcessed(int64_t(state.iterations()) * int64_t(N));
|
|
}
|
|
|
|
template <typename Backend>
|
|
static void benchmark_cosf(benchmark::State &state) {
|
|
const size_t N = static_cast<size_t>(state.range(0));
|
|
std::vector<float> x(N), c(N);
|
|
|
|
for (size_t i = 0; i < N; ++i) {
|
|
x[i] = (i % 360) * 0.0174533f;
|
|
}
|
|
|
|
Backend backend;
|
|
|
|
auto start = std::chrono::high_resolution_clock::now();
|
|
backend.init(N);
|
|
auto end = std::chrono::high_resolution_clock::now();
|
|
state.counters["init_ms"] =
|
|
std::chrono::duration_cast<std::chrono::microseconds>(end - start)
|
|
.count() /
|
|
1.e3;
|
|
|
|
for (auto _ : state) {
|
|
backend.compute_cosf(N, x.data(), c.data());
|
|
benchmark::DoNotOptimize(c);
|
|
}
|
|
|
|
state.SetItemsProcessed(int64_t(state.iterations()) * int64_t(N));
|
|
}
|
|
|
|
template <typename Backend>
|
|
static void benchmark_sincosf(benchmark::State &state) {
|
|
const size_t N = static_cast<size_t>(state.range(0));
|
|
std::vector<float> x(N), s(N), c(N);
|
|
|
|
for (size_t i = 0; i < N; ++i) {
|
|
x[i] = (i % 360) * 0.0174533f;
|
|
}
|
|
|
|
Backend backend;
|
|
|
|
auto start = std::chrono::high_resolution_clock::now();
|
|
backend.init(N);
|
|
auto end = std::chrono::high_resolution_clock::now();
|
|
state.counters["init_ms"] =
|
|
std::chrono::duration_cast<std::chrono::microseconds>(end - start)
|
|
.count() /
|
|
1.e3;
|
|
|
|
for (auto _ : state) {
|
|
backend.compute_sincosf(N, x.data(), s.data(), c.data());
|
|
benchmark::DoNotOptimize(s);
|
|
benchmark::DoNotOptimize(c);
|
|
}
|
|
|
|
state.SetItemsProcessed(int64_t(state.iterations()) * int64_t(N));
|
|
}
|