Rasmus Munk LarsenandRasmus Munk Larsen
8a3d61c790
libeigen/eigen!2509 Closes #2868 Co-authored-by: Rasmus Munk Larsen <rmlarsen@gmail.com>
42 lines
1.1 KiB
C++
42 lines
1.1 KiB
C++
// SPDX-FileCopyrightText: The Eigen Authors
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// SPDX-License-Identifier: MPL-2.0
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#include <benchmark/benchmark.h>
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#include <Eigen/Core>
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#include <Eigen/Geometry>
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using namespace Eigen;
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template <typename Quat>
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EIGEN_DONT_INLINE void quatmul_default(const Quat& a, const Quat& b, Quat& c) {
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c = a * b;
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}
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template <typename Quat>
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EIGEN_DONT_INLINE void quatmul_novec(const Quat& a, const Quat& b, Quat& c) {
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c = internal::quat_product<0, Quat, Quat, typename Quat::Scalar>::run(a, b);
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}
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template <typename Quat>
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static void BM_QuatMul_Default(benchmark::State& state) {
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Quat a(4, 1, 2, 3), b(2, 3, 4, 5), c;
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for (auto _ : state) {
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quatmul_default(a, b, c);
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benchmark::DoNotOptimize(c.coeffs().data());
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}
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}
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template <typename Quat>
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static void BM_QuatMul_NoVec(benchmark::State& state) {
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Quat a(4, 1, 2, 3), b(2, 3, 4, 5), c;
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for (auto _ : state) {
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quatmul_novec(a, b, c);
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benchmark::DoNotOptimize(c.coeffs().data());
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}
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}
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BENCHMARK(BM_QuatMul_Default<Quaternionf>);
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BENCHMARK(BM_QuatMul_NoVec<Quaternionf>);
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BENCHMARK(BM_QuatMul_Default<Quaterniond>);
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BENCHMARK(BM_QuatMul_NoVec<Quaterniond>);
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