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Parameters variation

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This commit is contained in:
Philippe Tillet
2014-09-26 19:58:00 -04:00
parent b322867e4d
commit 02d39ed71b
1 changed files with 5 additions and 3 deletions
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8
autotune/python/genetic.py
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@@ -108,7 +108,7 @@ class GeneticOperators(object):
while True: while True:
new_individual = copy.deepcopy(individual) new_individual = copy.deepcopy(individual)
for i in range(len(new_individual)): for i in range(len(new_individual)):
if i < 2 and random.random() < 0.1: if i < 2 and random.random() < 0.2:
while new_individual[i] == individual[i]: while new_individual[i] == individual[i]:
new_individual[i] = random.randint(0, 2) new_individual[i] = random.randint(0, 2)
elif i >= 2 and random.random() < self.indpb: elif i >= 2 and random.random() < self.indpb:
@@ -148,7 +148,7 @@ class GeneticOperators(object):
for ind, fit in zip(invalid_ind, fitnesses): for ind, fit in zip(invalid_ind, fitnesses):
ind.fitness.values = fit ind.fitness.values = fit
hof.update(population) hof.update(population)
while time.time() - start_time < maxtime: while time.time() - start_time < maxtime:
# Vary the population # Vary the population
offspring = [] offspring = []
@@ -166,7 +166,9 @@ class GeneticOperators(object):
offspring.append(ind) offspring.append(ind)
else: # Apply reproduction else: # Apply reproduction
offspring.append(random.choice(population)) offspring.append(random.choice(population))
#~ for x in offspring:
#~ print self.decode(x)
# Evaluate the individuals with an invalid fitness # Evaluate the individuals with an invalid fitness
invalid_ind = [ind for ind in offspring if not ind.fitness.valid] invalid_ind = [ind for ind in offspring if not ind.fitness.valid]
fitnesses = self.toolbox.map(self.evaluate, invalid_ind) fitnesses = self.toolbox.map(self.evaluate, invalid_ind)