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#include <string>
#include <vector>
#include <thread>
#include <memory>
#define BENCHPRESS_CONFIG_MAIN
#include "benchpress.hpp"
#include <entityx/entityx.h>
#include "EntityXBenchmark.h"
inline void init_entities(entityx::EntityManager& entities, size_t nentities){
for (size_t i = 0; i < nentities; i++) {
auto entity = entities.create();
entity.assign<EntityXBenchmark::PositionComponent>();
entity.assign<EntityXBenchmark::DirectionComponent>();
if (i % 2) {
entity.assign<EntityXBenchmark::ComflabulationComponent>();
}
}
}
inline void runEntitiesSystemsEntityXBenchmark(benchpress::context* ctx, size_t nentities) {
EntityXBenchmark::Application app;
auto& entities = app.entities;
init_entities(entities, nentities);
ctx->reset_timer();
for (size_t i = 0; i < ctx->num_iterations(); ++i) {
app.update(EntityXBenchmark::fakeDeltaTime);
}
}
BENCHMARK("entityx create destroy entity with components", [](benchpress::context* ctx) {
entityx::EntityX app;
auto& entities = app.entities;
ctx->reset_timer();
for (size_t i = 0; i < ctx->num_iterations(); ++i) {
auto entity = entities.create();
entity.assign<EntityXBenchmark::PositionComponent>();
entity.assign<EntityXBenchmark::DirectionComponent>();
entity.assign<EntityXBenchmark::ComflabulationComponent>();
entity.destroy();
}
})
class BenchmarksEntityX {
public:
static const std::vector<int> ENTITIES;
static inline void makeBenchmarks(std::string name) {
makeBenchmarks(name, ENTITIES);
}
static void makeBenchmarks(std::string name, const std::vector<int>& entities) {
for(int nentities : entities) {
std::string tag = "[" + std::to_string(nentities) + "]";
std::stringstream ss;
ss << std::right << std::setw(10) << tag << ' ';
ss << name << ' ';
ss << std::right << std::setw(8) << nentities;
ss << " entities component systems update";
std::string benchmark_name = ss.str();
BENCHMARK(benchmark_name, [nentities](benchpress::context* ctx) {
runEntitiesSystemsEntityXBenchmark(ctx, nentities);
})
}
}
BenchmarksEntityX(std::string name){
makeBenchmarks(name);
}
};
const std::vector<int> BenchmarksEntityX::ENTITIES = {
25, 50,
100, 200, 400, 800,
1600, 3200, 5000,
10'000, 30'000,
100'000, 500'000,
1'000'000, 2'000'000
};
BenchmarksEntityX entityxbenchmarks ("entityx");
/*
BENCHMARK("[25] entityx 25 entities component systems update", [](benchpress::context* ctx) {
runEntitiesSystemsEntityXBenchmark(ctx, 25);
})
BENCHMARK("[50] entityx 50 entities component systems update", [](benchpress::context* ctx) {
runEntitiesSystemsEntityXBenchmark(ctx, 50);
})
BENCHMARK("[100] entityx 100 entities component systems update", [](benchpress::context* ctx) {
runEntitiesSystemsEntityXBenchmark(ctx, 100);
})
BENCHMARK("[200] entityx 200 entities component systems update", [](benchpress::context* ctx) {
runEntitiesSystemsEntityXBenchmark(ctx, 200);
})
BENCHMARK("[400] entityx 400 entities component systems update", [](benchpress::context* ctx) {
runEntitiesSystemsEntityXBenchmark(ctx, 400);
})
BENCHMARK("[800] entityx 800 entities component systems update", [](benchpress::context* ctx) {
runEntitiesSystemsEntityXBenchmark(ctx, 800);
})
BENCHMARK("[1600] entityx 1600 entities component systems update", [](benchpress::context* ctx) {
runEntitiesSystemsEntityXBenchmark(ctx, 1600);
})
BENCHMARK("[3200] entityx 3200 entities component systems update", [](benchpress::context* ctx) {
runEntitiesSystemsEntityXBenchmark(ctx, 3200);
})
BENCHMARK("[5000] entityx 5000 entities component systems update", [](benchpress::context* ctx) {
runEntitiesSystemsEntityXBenchmark(ctx, 5000);
})
BENCHMARK("[10000] entityx 10000 entities component systems update", [](benchpress::context* ctx) {
runEntitiesSystemsEntityXBenchmark(ctx, 10'000);
})
BENCHMARK("[30000] entityx 30000 entities component systems update", [](benchpress::context* ctx) {
runEntitiesSystemsEntityXBenchmark(ctx, 30'000);
})
BENCHMARK("[100000] entityx 100000 entities component systems update", [](benchpress::context* ctx) {
runEntitiesSystemsEntityXBenchmark(ctx, 100'000L);
})
BENCHMARK("[500000] entityx 500000 entities component systems update", [](benchpress::context* ctx) {
runEntitiesSystemsEntityXBenchmark(ctx, 500'000L);
})
BENCHMARK("[1000000] entityx 1M entities component systems update", [](benchpress::context* ctx) {
runEntitiesSystemsEntityXBenchmark(ctx, 1'000'000L);
})
BENCHMARK("[2000000] entityx 2M entities component systems update", [](benchpress::context* ctx) {
runEntitiesSystemsEntityXBenchmark(ctx, 2'000'000L);
})
*/
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