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serialization_tests.cpp
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217 lines (168 loc) · 5.84 KB
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#include <string>
#include <netkit/csv/serializer.h>
#include <netkit/csv/deserializer.h>
#include <netkit/neat/neat.h>
#include <netkit/neat/gene.h>
#include <netkit/neat/genome.h>
#include "serialization_tests.h"
#include "utils.h"
void print_neat_state(netkit::neat& neat);
void rate_population(netkit::neat& neat);
void run_serialization_tests() {
std::cout << "Starting serialization tests..." << std::endl;
netkit::parameters params;
params.initial_population_size = 5;
params.use_best_genomes_library = true;
netkit::neat neat(params);
std::string target_filename = "serialization_test.csv";
std::cout << "Going to write in the file \"" << target_filename << "\"." << std::endl;
{
// gene
wait_user();
std::cout << "\nGenes serialization test." << std::endl;
netkit::serializer ser(target_filename);
std::vector<netkit::gene> genes;
genes.emplace_back(neat.innov_pool.next_innovation(), netkit::genome::BIAS_ID, 4, -15);
genes.emplace_back(neat.innov_pool.next_innovation(), netkit::genome::BIAS_ID, 3, -5);
genes.emplace_back(neat.innov_pool.next_innovation(), 1, 4, 10);
genes.emplace_back(neat.innov_pool.next_innovation(), 2, 4, 10);
for (auto& g : genes) {
std::cout << g << std::endl;
ser << g;
}
ser.close();
std::cout << "\nDeserialization...\n" << std::endl;
netkit::deserializer des(target_filename);
for (size_t i = 0; i < genes.size(); ++i) {
netkit::gene g(0, 0, 0, 0);
des >> g;
std::cout << g << std::endl;
}
des.close();
}
{
// genome
wait_user();
std::cout << "\nGenome serialization test." << std::endl;
netkit::genome genome(&neat);
genome.add_gene(netkit::gene(neat.innov_pool.next_innovation(), netkit::genome::BIAS_ID, 4, -15));
genome.add_gene(netkit::gene(neat.innov_pool.next_innovation(), netkit::genome::BIAS_ID, 3, -5));
genome.add_gene(netkit::gene(neat.innov_pool.next_innovation(), 1, 4, 10));
genome.add_gene(netkit::gene(neat.innov_pool.next_innovation(), 2, 4, 10));
genome.add_gene(netkit::gene(neat.innov_pool.next_innovation(), 1, 3, 10));
genome.add_gene(netkit::gene(neat.innov_pool.next_innovation(), 2, 3, 10));
genome.add_gene(netkit::gene(neat.innov_pool.next_innovation(), 4, 3, -20));
std::cout << genome << std::endl;
netkit::serializer ser(target_filename);
ser << genome;
ser.close();
std::cout << "\nDeserialization...\n" << std::endl;
netkit::deserializer des(target_filename);
netkit::genome genome2(&neat);
des >> genome2;
std::cout << genome2 << std::endl;
des.close();
}
{
// population
wait_user();
std::cout << "\nPopulation serialization test." << std::endl;
netkit::genome genome(&neat);
genome.add_gene(netkit::gene(neat.innov_pool.next_innovation(), netkit::genome::BIAS_ID, 4, -15));
netkit::population pop(&neat);
for (int i = 0; i < 5; ++i) {
netkit::genome_id_t last = pop.add_genome(genome.get_random_mutation().get_random_mutation().get_random_mutation());
std::cout << pop[last] << std::endl;
}
netkit::serializer ser(target_filename);
ser << pop;
ser.close();
std::cout << "\nDeserialization...\n" << std::endl;
netkit::deserializer des(target_filename);
netkit::population pop2(&neat);
des >> pop2;
for (auto& g : pop2.get_all_genomes()) {
std::cout << g << std::endl;
}
des.close();
}
{
// species
wait_user();
std::cout << "\nSpecies serialization test." << std::endl;
netkit::genome genome(&neat);
genome.add_gene(netkit::gene(neat.innov_pool.next_innovation(), netkit::genome::BIAS_ID, 4, -15));
netkit::population pop(&neat);
netkit::species species(&neat, &pop, 0, genome);
for (int i = 0; i < 5; ++i) {
netkit::genome_id_t id = pop.add_genome(genome.get_random_mutation().get_random_mutation().get_random_mutation());
pop.get_genome(id).set_fitness(i * 5);
species.add_member(id);
}
species.update_stats();
species.sort_by_fitness();
std::cout << species << std::endl;
netkit::serializer ser(target_filename);
ser << species;
ser.close();
std::cout << "\nDeserialization...\n" << std::endl;
netkit::deserializer des(target_filename);
// FIXME: find a better way to handle that? Maybe with a constructor that uses the deserializer?
// the dummy will be replaced by the right representant during deserialization.
netkit::genome dummy(&neat);
netkit::species species2(&neat, &pop, 0, dummy);
des >> species2;
species2.update_stats();
std::cout << species2 << std::endl;
des.close();
}
{
// whole NEAT simulation state
wait_user();
std::cout << "\nWhole NEAT simulation state serialization test." << std::endl;
neat.init();
rate_population(neat);
std::cout << "Initial population:" << std::endl;
print_neat_state(neat);
{
netkit::serializer ser(target_filename);
ser << neat;
ser.close();
}
for (size_t gen = 1; gen <= 5; ++gen) {
netkit::neat neat2(params);
netkit::deserializer des(target_filename);
des >> neat2;
des.close();
std::cout << "\nDeserialization:" << std::endl;
print_neat_state(neat2);
neat2.epoch();
rate_population(neat2);
neat2.update_best_genome_ever();
wait_user();
std::cout << "\n\n======== Here's the generation " << gen << "'s population. =========" << std::endl;
print_neat_state(neat2);
netkit::serializer ser(target_filename);
ser << neat2;
ser.close();
}
}
}
void print_neat_state(netkit::neat& neat) {
for (auto& species : neat.get_all_species()) {
species.update_stats();
species.sort_by_fitness();
std::cout << species << std::endl;
}
auto opt_best_geno = neat.get_best_genome_ever();
if (opt_best_geno.has_value()) {
std::cout << "\nCurrent best genome:" << std::endl;
std::cout << *opt_best_geno << std::endl;
}
}
void rate_population(netkit::neat& neat) {
while (neat.has_more_organisms_to_process()) {
netkit::organism org = neat.generate_and_get_next_organism();
org.set_fitness(rand() / 1000000.0);
}
}