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specmicp/benchmark/bm_mesh.cpp
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bm_mesh.cpp
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// this file is a micro-benchmark of the maths functions
//
// It uses the google/benchmark framework
#include <benchmark/benchmark.h>
#include "specmicp_common/types.hpp"
#include "dfpm/mesh.hpp"
static void uniform_mesh_creation(benchmark::State& state)
{
while (state.KeepRunning()) {
auto the_mesh = specmicp::mesh::uniform_mesh1d({0.1, 50, 5.0});
}
}
BENCHMARK(uniform_mesh_creation);
static void ramp_mesh_creation(benchmark::State& state)
{
while (state.KeepRunning()) {
specmicp::mesh::Ramp1DMeshGeometry ramp_mesh_geom;
ramp_mesh_geom.dx_min = 0.05;
ramp_mesh_geom.dx_max = 0.5;
ramp_mesh_geom.length_ramp = 2;
ramp_mesh_geom.length_plateau = 10;
ramp_mesh_geom.section = 5;
auto the_mesh = specmicp::mesh::ramp_mesh1d(ramp_mesh_geom);
}
}
BENCHMARK(ramp_mesh_creation);
static void nb_nodes_50(benchmark::State& state)
{
auto the_mesh = specmicp::mesh::uniform_mesh1d({0.1, 50, 5.0});
while (state.KeepRunning()) {
for (int i=0; i<50; ++i)
{
auto n = the_mesh->nb_nodes();
benchmark::DoNotOptimize(n);
}
}
}
BENCHMARK(nb_nodes_50);
static void nb_elements_50(benchmark::State& state)
{
auto the_mesh = specmicp::mesh::uniform_mesh1d({0.1, 50, 5.0});
while (state.KeepRunning()) {
for (int i=0; i<50; ++i)
{
auto n = the_mesh->nb_elements();
benchmark::DoNotOptimize(n);
}
}
}
BENCHMARK(nb_elements_50);
static void get_position_50(benchmark::State& state)
{
auto the_mesh = specmicp::mesh::uniform_mesh1d({0.1, 50, 5.0});
while (state.KeepRunning()) {
for (int i=0; i<50; ++i)
{
auto x = the_mesh->get_position(i);
benchmark::DoNotOptimize(x);
}
}
}
BENCHMARK(get_position_50);
static void get_dx_50(benchmark::State& state)
{
auto the_mesh = specmicp::mesh::uniform_mesh1d({0.1, 50, 5.0});
while (state.KeepRunning()) {
for (auto n: the_mesh->range_nodes())
{
auto x = the_mesh->get_dx(n);
benchmark::DoNotOptimize(x);
}
}
}
BENCHMARK(get_dx_50);
static void get_volume_cell_element_50(benchmark::State& state)
{
auto the_mesh = specmicp::mesh::uniform_mesh1d({0.1, 50, 5.0});
while (state.KeepRunning()) {
for (auto n: the_mesh->range_elements())
{
auto x = the_mesh->get_volume_cell_element(n, 0);
benchmark::DoNotOptimize(x);
}
}
}
BENCHMARK(get_volume_cell_element_50);
static void get_volume_element_50(benchmark::State& state)
{
auto the_mesh = specmicp::mesh::uniform_mesh1d({0.1, 50, 5.0});
while (state.KeepRunning()) {
for (auto n:the_mesh->range_elements())
{
auto x = the_mesh->get_volume_element(n);
benchmark::DoNotOptimize(x);
}
}
}
BENCHMARK(get_volume_element_50);
BENCHMARK_MAIN();
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