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/**********************************************************************
*
* GEOS - Geometry Engine Open Source
* http://geos.osgeo.org
*
* Copyright (C) 2019 Daniel Baston <dbaston@gmail.com>
*
* This is free software; you can redistribute and/or modify it under
* the terms of the GNU Lesser General Public Licence as published
* by the Free Software Foundation.
* See the COPYING file for more information.
*
**********************************************************************/
#include <geos/triangulate/DelaunayTriangulationBuilder.h>
#include <geos/triangulate/VoronoiDiagramBuilder.h>
#include <geos/geom/CoordinateSequence.h>
#include <geos/geom/GeometryFactory.h>
#include <geos/profiler.h>
#include <algorithm>
#include <random>
#include <vector>
#include <memory>
#include <benchmark/benchmark.h>
#include <BenchmarkUtils.h>
using geos::geom::Coordinate;
using geos::geom::Envelope;
static void BM_DelaunayFromSeq(benchmark::State& state) {
Envelope e(0, 100, 0, 100);
auto gfact = geos::geom::GeometryFactory::getDefaultInstance();
std::default_random_engine eng(12345);
for (auto _ : state) {
state.PauseTiming();
auto nPts = static_cast<std::size_t>(state.range(0));
auto sites = geos::benchmark::createRandomCoords(e, nPts, eng);
state.ResumeTiming();
geos::triangulate::DelaunayTriangulationBuilder dtb;
dtb.setSites(*sites);
auto result = dtb.getTriangles(*gfact);
}
}
static void BM_DelaunayFromGeom(benchmark::State& state) {
Envelope e(0, 100, 0, 100);
auto gfact = geos::geom::GeometryFactory::getDefaultInstance();
std::default_random_engine eng(12345);
for (auto _ : state) {
state.PauseTiming();
auto nPts = static_cast<std::size_t>(state.range(0));
auto sites = gfact->createLineString(geos::benchmark::createRandomCoords(e, nPts, eng));
state.ResumeTiming();
geos::triangulate::DelaunayTriangulationBuilder dtb;
dtb.setSites(*sites);
auto result = dtb.getTriangles(*gfact);
}
}
static void BM_VoronoiFromSeq(benchmark::State& state) {
Envelope e(0, 100, 0, 100);
auto gfact = geos::geom::GeometryFactory::getDefaultInstance();
std::default_random_engine eng(12345);
for (auto _ : state) {
state.PauseTiming();
auto nPts = static_cast<std::size_t>(state.range(0));
auto sites = geos::benchmark::createRandomCoords(e, nPts, eng);
state.ResumeTiming();
geos::triangulate::VoronoiDiagramBuilder vdb;
vdb.setSites(*sites);
auto result = vdb.getDiagram(*gfact);
}
}
static void BM_VoronoiFromGeom(benchmark::State& state) {
Envelope e(0, 100, 0, 100);
auto gfact = geos::geom::GeometryFactory::getDefaultInstance();
std::default_random_engine eng(12345);
for (auto _ : state) {
state.PauseTiming();
auto nPts = static_cast<std::size_t>(state.range(0));
auto sites = gfact->createLineString(geos::benchmark::createRandomCoords(e, nPts, eng));
state.ResumeTiming();
geos::triangulate::VoronoiDiagramBuilder vdb;
vdb.setSites(*sites);
auto result = vdb.getDiagram(*gfact);
}
}
static void BM_OrderedVoronoiFromGeom(benchmark::State& state) {
Envelope e(0, 100, 0, 100);
auto gfact = geos::geom::GeometryFactory::getDefaultInstance();
std::default_random_engine eng(12345);
for (auto _ : state) {
state.PauseTiming();
auto nPts = static_cast<std::size_t>(state.range(0));
auto sites = gfact->createLineString(geos::benchmark::createRandomCoords(e, nPts, eng));
state.ResumeTiming();
geos::triangulate::VoronoiDiagramBuilder vdb;
vdb.setOrdered(true);
vdb.setSites(*sites);
auto result = vdb.getDiagram(*gfact);
}
}
BENCHMARK(BM_DelaunayFromSeq)->Range(10, 1e6);
BENCHMARK(BM_DelaunayFromGeom)->Range(10, 1e6);
BENCHMARK(BM_VoronoiFromSeq)->Range(10, 1e6);
BENCHMARK(BM_VoronoiFromGeom)->Range(10, 1e6);
BENCHMARK(BM_OrderedVoronoiFromGeom)->Range(10, 1e6);
BENCHMARK_MAIN();
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