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Migrate Eigen benchmarks to the Google benchmark framework

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libeigen/eigen!2132

Closes #3025

Co-authored-by: Rasmus Munk Larsen <rmlarsen@gmail.com>
This commit is contained in:
Rasmus Munk Larsen
2026-02-17 20:51:36 -08:00
parent 740cac97b4
commit 3108f6360e
23 changed files with 1632 additions and 0 deletions
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43
benchmarks/benchGeometry.cpp Normal file
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#include <benchmark/benchmark.h>
#include <Eigen/Core>
#include <Eigen/Geometry>
using namespace Eigen;
template <typename Scalar, int Mode, int VSize>
static void BM_TransformVec(benchmark::State& state) {
typedef Transform<Scalar, 3, Mode> Trans;
typedef Matrix<Scalar, VSize, 1> Vec;
Trans t;
t.setIdentity();
Vec v;
v.setRandom();
for (auto _ : state) {
v = t * v;
benchmark::DoNotOptimize(v.data());
}
}
template <typename Scalar, int Mode>
static void BM_TransformTransform(benchmark::State& state) {
typedef Transform<Scalar, 3, Mode> Trans;
Trans t1, t2;
t1.setIdentity();
t2.setIdentity();
for (auto _ : state) {
t2 = Trans(t1 * t2);
benchmark::DoNotOptimize(t2.data());
}
}
BENCHMARK(BM_TransformVec<float, Isometry, 3>);
BENCHMARK(BM_TransformVec<float, Isometry, 4>);
BENCHMARK(BM_TransformVec<float, Projective, 4>);
BENCHMARK(BM_TransformVec<double, Isometry, 3>);
BENCHMARK(BM_TransformVec<double, Isometry, 4>);
BENCHMARK(BM_TransformVec<double, Projective, 4>);
BENCHMARK(BM_TransformTransform<float, Isometry>);
BENCHMARK(BM_TransformTransform<float, Projective>);
BENCHMARK(BM_TransformTransform<double, Isometry>);
BENCHMARK(BM_TransformTransform<double, Projective>);