Files
MapLibreParticleLab/benchmark/util/tilecover.benchmark.cpp
Bart Louwers 2a8ebc4906 core: rename mbgl directories to mln (#4511)
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2026-08-22 20:50:14 +02:00

84 lines
3.1 KiB
C++

#include <benchmark/benchmark.h>
#include <mln/util/geo.hpp>
#include <mln/util/geometry.hpp>
#include <mln/util/tile_coordinate.hpp>
#include <mln/util/tile_cover.hpp>
#include <mln/map/transform.hpp>
using namespace mln;
static const LatLngBounds sanFrancisco = LatLngBounds::hull({37.6609, -122.5744}, {37.8271, -122.3204});
static void TileCountBounds(benchmark::State& state) {
std::size_t length = 0;
while (state.KeepRunning()) {
auto count = util::tileCount(sanFrancisco, 10);
length += count;
}
benchmark::DoNotOptimize(length);
}
static void TileCoverPitchedViewport(benchmark::State& state) {
Transform transform;
transform.resize({512, 512});
// slightly offset center so that tile order is better defined
transform.jumpTo(CameraOptions().withCenter(LatLng{0.1, -0.1}).withZoom(8.0).withBearing(5.0).withPitch(40.0));
std::size_t length = 0;
const Range<uint8_t> zoomRange(0, 14);
while (state.KeepRunning()) {
auto tiles = util::tileCover({transform.getState()}, 8, zoomRange);
length += tiles.size();
}
benchmark::DoNotOptimize(length);
}
static void TileCoverBounds(benchmark::State& state) {
std::size_t length = 0;
while (state.KeepRunning()) {
auto tiles = util::tileCover(sanFrancisco, 8);
length += tiles.size();
}
benchmark::DoNotOptimize(length);
}
static const auto geomPolygon = Polygon<double>{
{{-122.5143814086914, 37.779127216982424}, {-122.50811576843262, 37.72721239056709},
{-122.50313758850099, 37.70820178063929}, {-122.3938751220703, 37.707454835665274},
{-122.37567901611328, 37.70663997801684}, {-122.36297607421874, 37.71343018466285},
{-122.354736328125, 37.727280276860036}, {-122.36469268798828, 37.73868429065797},
{-122.38014221191408, 37.75442980295571}, {-122.38391876220702, 37.78753873820529},
{-122.35919952392578, 37.8065289741725}, {-122.35679626464844, 37.820632846207864},
{-122.3712158203125, 37.835276322922695}, {-122.3818588256836, 37.82958198283902},
{-122.37190246582031, 37.80788523279169}, {-122.38735198974608, 37.791337175930686},
{-122.40966796874999, 37.812767557570204}, {-122.46425628662108, 37.807071480609274},
{-122.46803283691405, 37.810326435534755}, {-122.47901916503906, 37.81168262440736},
{-122.48966217041016, 37.78916666399649}, {-122.50579833984375, 37.78781006166096},
{-122.5143814086914, 37.779127216982424}}};
static void TileCoverPolygon(benchmark::State& state) {
std::size_t length = 0;
while (state.KeepRunning()) {
auto tiles = util::tileCover(geomPolygon, 8);
length += tiles.size();
}
benchmark::DoNotOptimize(length);
}
static void TileCountPolygon(benchmark::State& state) {
std::size_t length = 0;
while (state.KeepRunning()) {
auto tiles = util::tileCount(geomPolygon, 16);
length += tiles;
}
benchmark::DoNotOptimize(length);
}
BENCHMARK(TileCountBounds);
BENCHMARK(TileCountPolygon);
BENCHMARK(TileCoverPitchedViewport);
BENCHMARK(TileCoverBounds);
BENCHMARK(TileCoverPolygon);