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Added more benchmarks and templatized them.

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This commit is contained in:
Hans-Christian Ebke
2015-11-19 22:46:17 +01:00
parent 0c09394179
commit 733b6ddadc
1 changed files with 48 additions and 36 deletions
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84
src/Benchmark/VectorT.cpp
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@@ -12,63 +12,75 @@
#define ASSEMBLE_(PREFIX, SUFFIX) PREFIX ## SUFFIX #define ASSEMBLE_(PREFIX, SUFFIX) PREFIX ## SUFFIX
#define ASSEMBLE(PREFIX, SUFFIX) ASSEMBLE_(PREFIX, SUFFIX) #define ASSEMBLE(PREFIX, SUFFIX) ASSEMBLE_(PREFIX, SUFFIX)
#define MYBENCHMARK(NAME) BENCHMARK(NAME) #define MYBENCHMARK(NAME) BENCHMARK(NAME)
#define MYBENCHMARK_TEMPLATE(NAME, TYPE) BENCHMARK_TEMPLATE(NAME, TYPE)
static void ASSEMBLE(BMPREFIX, Vec3f_add_compare)(benchmark::State& state) { template<class Vec>
OpenMesh::Vec3f v1(0, 0, 0); static void ASSEMBLE(BMPREFIX, Vec_add_compare)(benchmark::State& state) {
OpenMesh::Vec3f v2(1000, 1000, 1000); Vec v1(0, 0, 0);
Vec v2(1000, 1000, 1000);
while (state.KeepRunning()) { while (state.KeepRunning()) {
v1 += OpenMesh::Vec3f(1.1, 1.2, 1.3); v1 += Vec(1.1, 1.2, 1.3);
v2 -= OpenMesh::Vec3f(1.1, 1.2, 1.3); v2 -= Vec(1.1, 1.2, 1.3);
if (v1 == v2) { if (v1 == v2) {
v1 -= v2; v1 -= v2;
v2 += v1; v2 += v1;
} }
} }
// Just so nothing gets optimized away.
static double dummy;
dummy = v1.norm() + v2.norm();
} }
MYBENCHMARK (ASSEMBLE(BMPREFIX, Vec3f_add_compare)); MYBENCHMARK_TEMPLATE (ASSEMBLE(BMPREFIX, Vec_add_compare), OpenMesh::Vec3d);
MYBENCHMARK_TEMPLATE (ASSEMBLE(BMPREFIX, Vec_add_compare), OpenMesh::Vec3f);
static void ASSEMBLE(BMPREFIX, Vec3d_add_compare)(benchmark::State& state) { template<class Vec>
OpenMesh::Vec3d v1(0, 0, 0); static void ASSEMBLE(BMPREFIX, Vec_cross_product)(benchmark::State& state) {
OpenMesh::Vec3d v2(1000, 1000, 1000); Vec v1(0, 0, 0);
Vec v2(1000, 1000, 1000);
while (state.KeepRunning()) { while (state.KeepRunning()) {
v1 += OpenMesh::Vec3d(1.1, 1.2, 1.3); v1 += Vec(1.1, 1.2, 1.3);
v2 -= OpenMesh::Vec3d(1.1, 1.2, 1.3); v2 -= Vec(1.1, 1.2, 1.3);
if (v1 == v2) { v1 = (v1 % v2);
v1 -= v2;
v2 += v1;
}
} }
// Just so nothing gets optimized away.
static double dummy;
dummy = v1.norm() + v2.norm();
} }
MYBENCHMARK (ASSEMBLE(BMPREFIX, Vec3d_add_compare)); MYBENCHMARK_TEMPLATE (ASSEMBLE(BMPREFIX, Vec_cross_product), OpenMesh::Vec3d);
MYBENCHMARK_TEMPLATE (ASSEMBLE(BMPREFIX, Vec_cross_product), OpenMesh::Vec3f);
static void ASSEMBLE(BMPREFIX, Vec3d_cross_product)(benchmark::State& state) { template<class Vec>
OpenMesh::Vec3d v1(0, 0, 0); static void ASSEMBLE(BMPREFIX, Vec_scalar_product)(benchmark::State& state) {
OpenMesh::Vec3d v2(1000, 1000, 1000); Vec v1(0, 0, 0);
Vec v2(1000, 1000, 1000);
double acc = 0;
while (state.KeepRunning()) { while (state.KeepRunning()) {
v1 += OpenMesh::Vec3d(1.1, 1.2, 1.3); v1 += Vec(1.1, 1.2, 1.3);
v2 -= OpenMesh::Vec3d(1.1, 1.2, 1.3); v2 -= Vec(1.1, 1.2, 1.3);
if ((v1 % v2) == (v2 % v1)) { acc += (v1 | v2);
v1 -= v2;
v2 += v1;
}
} }
// Otherwise GCC will optimize everything away.
static double dummy;
dummy = acc;
} }
MYBENCHMARK (ASSEMBLE(BMPREFIX, Vec3d_cross_product)); MYBENCHMARK_TEMPLATE (ASSEMBLE(BMPREFIX, Vec_scalar_product), OpenMesh::Vec3d);
MYBENCHMARK_TEMPLATE (ASSEMBLE(BMPREFIX, Vec_scalar_product), OpenMesh::Vec3f);
static void ASSEMBLE(BMPREFIX, Vec3d_scalar_product)(benchmark::State& state) { template<class Vec>
OpenMesh::Vec3d v1(0, 0, 0); static void ASSEMBLE(BMPREFIX, Vec_norm)(benchmark::State& state) {
OpenMesh::Vec3d v2(1000, 1000, 1000); Vec v1(0, 0, 0);
double acc = 0;
while (state.KeepRunning()) { while (state.KeepRunning()) {
v1 += OpenMesh::Vec3d(1.1, 1.2, 1.3); v1 += Vec(1.1, 1.2, 1.3);
v2 -= OpenMesh::Vec3d(1.1, 1.2, 1.3); acc += v1.norm();
if ((v1 | v2) > 0) {
v1 -= v2;
v2 += v1;
}
} }
// Otherwise GCC will optimize everything away.
static double dummy;
dummy = acc;
} }
MYBENCHMARK (ASSEMBLE(BMPREFIX, Vec3d_scalar_product)); MYBENCHMARK_TEMPLATE (ASSEMBLE(BMPREFIX, Vec_norm), OpenMesh::Vec3d);
MYBENCHMARK_TEMPLATE (ASSEMBLE(BMPREFIX, Vec_norm), OpenMesh::Vec3f);