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add performance test for smart handles

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This commit is contained in:
Max Lyon
2019-09-25 13:11:46 +02:00
parent 92cdc795c7
commit 832a40d630
1 changed files with 47 additions and 0 deletions
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47
src/Unittests/unittests_smart_handles.cc
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@@ -321,4 +321,51 @@ TEST_F(OpenMeshSmartHandles, ComplicatedNavigtaion)
}
/* Test performance of smart handles
*/
TEST_F(OpenMeshSmartHandles, Performance)
{
int n_tests = 10000000;
auto t_before_old = std::chrono::high_resolution_clock::now();
std::vector<OpenMesh::HalfedgeHandle> halfedges0;
for (int i = 0; i < n_tests; ++i)
{
for (auto vh : mesh_.vertices())
{
auto heh = mesh_.prev_halfedge_handle(
mesh_.prev_halfedge_handle(
mesh_.opposite_halfedge_handle(
mesh_.next_halfedge_handle(
mesh_.next_halfedge_handle(
mesh_.halfedge_handle(vh))))));
if (i == 0)
halfedges0.push_back(heh);
}
}
auto t_after_old = std::chrono::high_resolution_clock::now();
std::vector<OpenMesh::HalfedgeHandle> halfedges1;
for (int i = 0; i < n_tests; ++i)
{
for (auto vh : mesh_.vertices())
{
auto svh = OpenMesh::make_smart(vh, mesh_);
auto heh = svh.out().next().next().opp().prev().prev();
if (i == 0)
halfedges1.push_back(heh);
}
}
auto t_after_new = std::chrono::high_resolution_clock::now();
std::cout << "Conventional navigation took " << std::chrono::duration_cast<std::chrono::milliseconds>(t_after_old-t_before_old).count() << "ms" << std::endl;
std::cout << "SmartHandle navigation took " << std::chrono::duration_cast<std::chrono::milliseconds>(t_after_new-t_after_old ).count() << "ms" << std::endl;
EXPECT_EQ(halfedges0, halfedges1) << "halfedges do not match";
}
}