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Get benchmarks running again.

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logaritmisk
2018-02-06 12:13:35 +01:00
parent 9e685d2027
commit 849c0aacb0
1 changed files with 64 additions and 54 deletions
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118
benches/parabole.rs
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@@ -63,64 +63,74 @@ impl Individual for Parabole {
} }
fn criterion_benchmark(c: &mut Criterion) { fn criterion_benchmark(c: &mut Criterion) {
let initial = (0..1000) c.bench_function("calculate", move |b| {
.map(|i| Parabole { x: i as f64 }) let initial = (0..1000)
.collect::<Vec<_>>(); .map(|i| Parabole { x: f64::from(i) })
.collect::<Vec<_>>();
let population_size = initial.len(); let mut simulation = Simulation::with_population(initial);
let mut simulation = Simulation::with_population(initial); b.iter(|| {
simulation.calculate();
c.bench_function("calculate", |b| b.iter(|| {
simulation.calculate();
}));
c.bench_function("evolve", |b| b.iter(|| {
simulation.evolve(|parents, population| {
// Mate top 10 to get 5 children.
parents
.iter()
.enumerate()
.filter(|&(n, _)| n % 2 == 0)
.map(|(_, wrapper)| wrapper)
.take(5)
.zip(
parents
.iter()
.enumerate()
.filter(|&(n, _)| n % 2 == 1)
.map(|(_, wrapper)| wrapper)
.take(5),
)
.map(|(a, b)| a.individual.mate(&b.individual))
.map(|individual| {
Wrapper {
individual: individual,
fitness: None,
}
})
.for_each(|wrapper| { population.push(wrapper); });
// Mutate all to get new children.
parents
.par_iter()
.map(|wrapper| wrapper.individual.clone())
.map(|mut individual| {
individual.mutate();
Wrapper {
individual: individual,
fitness: None,
}
})
.collect_into(population);
// Add all parents again.
population.extend(parents.iter().cloned());
}); });
});
simulation.population.truncate(population_size); c.bench_function("evolve", move |b| {
})); let initial = (0..1000)
.map(|i| Parabole { x: f64::from(i) })
.collect::<Vec<_>>();
let population_size = initial.len();
let mut simulation = Simulation::with_population(initial);
b.iter(|| {
simulation.evolve(|parents, population| {
// Mate top 10 to get 5 children.
parents
.iter()
.enumerate()
.filter(|&(n, _)| n % 2 == 0)
.map(|(_, wrapper)| wrapper)
.take(5)
.zip(
parents
.iter()
.enumerate()
.filter(|&(n, _)| n % 2 == 1)
.map(|(_, wrapper)| wrapper)
.take(5),
)
.map(|(a, b)| a.individual.mate(&b.individual))
.map(|individual| {
Wrapper {
individual: individual,
fitness: None,
}
})
.for_each(|wrapper| { population.push(wrapper); });
// Mutate all to get new children.
parents
.par_iter()
.map(|wrapper| wrapper.individual.clone())
.map(|mut individual| {
individual.mutate();
Wrapper {
individual: individual,
fitness: None,
}
})
.collect_into(population);
// Add all parents again.
population.extend(parents.iter().cloned());
});
simulation.population.truncate(population_size);
});
});
} }
criterion_group!(benches, criterion_benchmark); criterion_group!(benches, criterion_benchmark);