def _report_rouge(self, predictions, references):
a_lst = []
predictions = list(predictions)
references = list(references)
for i, p in enumerate(predictions):
a_lst.append((p, references[i]))
pool = Pool(24)
rouge_scores = {"r1": [], "r2": [], "rl": []}
for d in tqdm(pool.imap(_multi_rg, a_lst), total=len(a_lst)):
if d is not None:
rouge_scores["r1"].append(d[0])
rouge_scores["r2"].append(d[1])
rouge_scores["rl"].append(d[2])
pool.close()
pool.join()
r1 = np.mean(rouge_scores["r1"])
r2 = np.mean(rouge_scores["r2"])
rl = np.mean(rouge_scores["rl"])
if len(self.args.log_folds) > 0:
with open(self.args.log_folds, mode='a') as f:
f.write("{:.4f}\t{:.4f}\t{:.4f}".format(r1 / 100, r2 / 100, rl / 100))
f.write('\n')
logger.info("Metric\tScore\t95% CI")
logger.info("ROUGE-1\t{:.2f}\t({:.2f},{:.2f})".format(r1 * 100, 0, 0))
logger.info("ROUGE-2\t{:.2f}\t({:.2f},{:.2f})".format(r2 * 100, 0, 0))
logger.info("ROUGE-L\t{:.2f}\t({:.2f},{:.2f})".format(rl * 100, 0, 0))
logger.info("Data path: %s" % self.args.bert_data_path)
logger.info("Model path: %s" % self.args.model_path)
return r1, r2, rl
class ParallDataWraper():
def __init__(self, loader, batch_size, thread=0):
self.loader = loader
assert loader.shuffle == False, 'Shuffle in loader should be False'
self.batch_size = batch_size
self.pool = Pool(thread)
self.create_loader(self.loader.num_data)
def create_loader(self, num):
ids = [a for a in range(num)]
random.shuffle(ids)
self.targets = self.pool.imap(self.loader.next, (id for id in ids))
def reset(self):
self.create_loader(self.loader.num_data)
def get_iter_epoch(self):
return self.loader.get_iter_epoch()
def load_batch(self):
all_outputs = []
for i in range(self.batch_size):
try:
outputs = self.targets.__next__()
except StopIteration:
self.create_loader(self.loader.num_data)
outputs = self.targets.__next__()
all_outputs.append(outputs)
return pack_data(all_outputs)
class ParallDataWraper():
def __init__(self, loader, batch_size, thread=0):
self.loader = loader
self.batch_size = batch_size
self.pool = Pool(thread)
self.create_loader(self.loader.num_data)
def create_loader(self, num):
# print ('--> remap and shuffle iterator')
ids = [a for a in range(num)]
random.shuffle(ids)
self.targets = self.pool.imap(self.loader.next, (id for id in ids))
def reset(self):
self.create_loader(self.loader.num_data)
def load_batch(self):
all_outputs = []
for i in range(self.batch_size):
try:
outputs = self.targets.__next__()
except StopIteration:
self.create_loader(self.loader.num_data)
outputs = self.targets.__next__()
all_outputs.append(outputs)
return pack_data(all_outputs)
def tune_from_args(args):
params_grid = list(
product(
torch.linspace(args.alpha_from, args.alpha_to, args.alpha_steps),
torch.linspace(args.beta_from, args.beta_to, args.beta_steps)))
LOG.info(
'Scheduling {} jobs for alphas=linspace({}, {}, {}), betas=linspace({}, {}, {})'
.format(len(params_grid), args.alpha_from, args.alpha_to,
args.alpha_steps, args.beta_from, args.beta_to,
args.beta_steps))
# start worker processes
LOG.info(
f"Using {args.num_workers} processes and {args.lm_workers} for each CTCDecoder."
)
extract_start = default_timer()
if args.unit == 'char':
vocab = CharTokenizer(args.vocab_file,
reserved_tokens={
'blank': '<blank>',
'space': args.space_token
})
else:
vocab = WordTokenizer(args.vocab_file)
p = Pool(args.num_workers, init, [
args.logits_targets_file, vocab, args.lm_path, args.lm_trie_path,
args.lm_unit, args.beam_size, args.cutoff_prob, args.cutoff_top_n
])
scores = []
best_wer = float('inf')
with tqdm.tqdm(p.imap(tune_step, params_grid),
total=len(params_grid),
desc='Grid search') as pbar:
for params in pbar:
alpha, beta, wer, cer = params
scores.append([alpha, beta, wer, cer])
if wer < best_wer:
best_wer = wer
pbar.set_postfix(alpha=alpha, beta=beta, wer=wer, cer=cer)
LOG.info(
f"Finished {len(params_grid)} processes in {default_timer() - extract_start:.1f}s"
)
df = pd.DataFrame(scores, columns=['alpha', 'beta', 'wer', 'cer'])
df.to_csv(args.output_file, index=False)
net_utils.load_net(trained_model, net)
# net.load_from_npz(npz_fname)
# net_utils.save_net(h5_fname, net)
net.cuda()
net.eval()
print('load model succ...')
t_det = Timer()
t_total = Timer()
im_fnames = sorted((fname
for fname in os.listdir(im_path)
if os.path.splitext(fname)[-1] == '.jpg'))
im_fnames = (os.path.join(im_path, fname) for fname in im_fnames)
pool = Pool(processes=1)
for i, (image, im_data) in enumerate(pool.imap(
preprocess, im_fnames, chunksize=1)):
t_total.tic()
im_data = net_utils.np_to_variable(
im_data, is_cuda=True, volatile=True).permute(0, 3, 1, 2)
t_det.tic()
bbox_pred, iou_pred, prob_pred = net(im_data)
det_time = t_det.toc()
# to numpy
bbox_pred = bbox_pred.data.cpu().numpy()
iou_pred = iou_pred.data.cpu().numpy()
prob_pred = prob_pred.data.cpu().numpy()
# print bbox_pred.shape, iou_pred.shape, prob_pred.shape
bboxes, scores, cls_inds = yolo_utils.postprocess(
bbox_pred, iou_pred, prob_pred, image.shape, cfg, thresh)
th2_vals = np.linspace(th2_min, th2_max, num_th2)
th_results = np.zeros((th1_vals.size, th2_vals.size))
rewards = np.zeros((th1_vals.size, th2_vals.size))
last_err = np.zeros((th1_vals.size, th2_vals.size))
end_point = torch.tensor([1.57079633, 0., 0., 0.])
import time
start = time.time()
print("lets go")
for i, res in enumerate(
pool.imap(do_rollout_stable, product(th1_vals, th2_vals, [0], [0]))):
print("did something")
obs_hist, action_hist, reward_hist, _, _ = res
last_err.flat[i] = torch.sum(abs(obs_hist[-1] - end_point))
errs = torch.sum(abs(obs_hist[-1:] - end_point), axis=1) < .5
th_results.flat[i] = errs.all()
rewards.flat[i] = sum(reward_hist)
#
# for i,res in enumerate(product(th1_vals, th2_vals, [0], [0])):
# obs_hist, action_hist, reward_hist, _, _ = do_rollout_stable(res)
# errs = torch.sum(abs(obs_hist[-10:] - end_point) , axis=1) < .2
# th_results.flat[i] = errs.all()
# rewards.flat[i] = sum(reward_hist)
end = time.time()
th1_min = pi / 2 - .5
th1_max = pi / 2 + .5
th2_min = -1
th2_max = 1
th1dot_min = -5
th1dot_max = 5
th2dot_min = -10
th2dot_max = 10
samples = np.random.random_sample((int(num_trials/2), 4))
samples *= np.array([th1_min - th1_max, th2_min - th2_max, th1dot_min - th1dot_max, th2dot_min - th2dot_max])
samples += np.array([th1_max, th2_max, th1dot_max, th2dot_max])
total_steps = 0
pool = Pool() # defaults to number of available CPU's
for i, res in enumerate(pool.imap(do_rollout, zip(samples, range(int(num_trials/2))))):
rews, steps = res
reward_hist[i, :, :] = rews
total_steps += steps
X[i, :] = samples[i, :]
Y[i] = sum(rews) > env.num_steps*3 - 10
th1_min = 0
th1_max = 2*pi
th2_min = -pi
th2_max = pi
th1dot_min = -10
th1dot_max = 10
th2dot_min = -30
th2dot_max = 30
th2_max = pi
num_th2 = 41
th2_vals = np.linspace(th2_min, th2_max, num_th2)
th_results = np.zeros((th1_vals.size, th2_vals.size))
th_lqr_results = np.zeros((th1_vals.size, th2_vals.size))
rewards = np.zeros((th1_vals.size, th2_vals.size))
end_point = torch.tensor([1.57079633, 0., 0., 0.])
import time
start = time.time()
for i, res in enumerate(
pool.imap(do_rollout, product(th1_vals, th2_vals, [0], [0]))):
obs_hist, action_hist, reward_hist, lqr_on = res
errs = torch.sum(abs(obs_hist[-10:] - end_point), axis=1) < .2
th_results.flat[i] = errs.all()
th_lqr_results.flat[i] = lqr_on[-1]
rewards.flat[i] = sum(reward_hist)
end = time.time()
print(end - start)
# Generate "balance map" at slice th = 0
dth1_min = -10
dth1_max = 10
num_dth1 = 41
dth1_vals = np.linspace(dth1_min, dth1_max, num_dth1)
def tune_from_args(args):
# Disable some of the more verbose logging statements
logging.getLogger('asr.common.params').disabled = True
logging.getLogger('asr.common.registrable').disabled = True
# Load from archive
_, weights_file = load_archive(args.serialization_dir, args.overrides,
args.weights_file)
params = Params.load(os.path.join(args.serialization_dir, CONFIG_NAME),
args.overrides)
prepare_environment(params)
# Try to use the validation dataset reader if there is one - otherwise fall back
# to the default dataset_reader used for both training and validation.
dataset_params = params.pop('val_dataset', params.get('dataset_reader'))
logger.info("Reading evaluation data from %s", args.input_file)
dataset_params['manifest_filepath'] = args.input_file
dataset = datasets.from_params(dataset_params)
if os.path.exists(os.path.join(args.serialization_dir, "alphabet")):
alphabet = Alphabet.from_file(
os.path.join(args.serialization_dir, "alphabet", "tokens"))
else:
alphabet = Alphabet.from_params(params.pop("alphabet", {}))
logits_dir = os.path.join(args.serialization_dir, 'logits')
os.makedirs(logits_dir, exist_ok=True)
basename = os.path.splitext(os.path.split(args.input_file)[1])[0]
logits_file = os.path.join(logits_dir, basename + '.pth')
if not os.path.exists(logits_file):
model = models.from_params(alphabet=alphabet,
params=params.pop('model'))
model.load_state_dict(
torch.load(weights_file,
map_location=lambda storage, loc: storage)['model'])
model.eval()
decoder = GreedyCTCDecoder(alphabet)
loader_params = params.pop("val_data_loader",
params.get("data_loader"))
batch_sampler = samplers.BucketingSampler(dataset,
batch_size=args.batch_size)
loader = loaders.from_params(loader_params,
dataset=dataset,
batch_sampler=batch_sampler)
logger.info(f'Logits file `{logits_file}` not found. Generating...')
with torch.no_grad():
model.to(args.device)
logits = []
for batch in tqdm.tqdm(loader):
sample, target, sample_lengths, target_lengths = batch
sample = sample.to(args.device)
sample_lengths = sample_lengths.to(args.device)
output, output_lengths = model(sample, sample_lengths)
output = output.to('cpu')
references = decoder.tensor2str(target, target_lengths)
logits.extend((o[:l, ...], r) for o, l, r in zip(
output.to('cpu'), output_lengths, references))
del sample, sample_lengths, output
torch.save(logits, logits_file)
del model
tune_dir = os.path.join(args.serialization_dir, 'tune')
os.makedirs(tune_dir, exist_ok=True)
params_grid = list(
product(
torch.linspace(args.alpha_from, args.alpha_to, args.alpha_steps),
torch.linspace(args.beta_from, args.beta_to, args.beta_steps)))
print(
'Scheduling {} jobs for alphas=linspace({}, {}, {}), betas=linspace({}, {}, {})'
.format(len(params_grid), args.alpha_from, args.alpha_to,
args.alpha_steps, args.beta_from, args.beta_to,
args.beta_steps))
# start worker processes
logger.info(
f"Using {args.num_workers} processes and {args.lm_workers} for each CTCDecoder."
)
extract_start = default_timer()
p = Pool(args.num_workers, init, [
logits_file, alphabet, args.lm_path, args.cutoff_top_n,
args.cutoff_prob, args.beam_width, args.lm_workers
])
scores = []
best_wer = float('inf')
with tqdm.tqdm(p.imap(tune_step, params_grid),
total=len(params_grid),
desc='Grid search') as pbar:
for params in pbar:
alpha, beta, wer, cer = params
scores.append([alpha, beta, wer, cer])
if wer < best_wer:
best_wer = wer
pbar.set_postfix(alpha=alpha, beta=beta, wer=wer, cer=cer)
logger.info(
f"Finished {len(params_grid)} processes in {default_timer() - extract_start:.1f}s"
)
df = pd.DataFrame(scores, columns=['alpha', 'beta', 'wer', 'cer'])
df.to_csv(os.path.join(tune_dir, basename + '.csv'), index=False)
glob=False))
props.append(prop)
print(i)
i += 1
# mp = _mp.get_context('forkserver')
# set_start_method('spawn')
pool = Pool(processes=4)
manager = Manager()
# mols = manager.list([[] for _ in range(len(datas))])
# mols = manager.list([])
# pool.map(get_mol,datas,chunksize=100)
i = 0
for _ in pool.imap(bd_mol, mols, chunksize=100):
print(i)
# mols[i] = _
i += 1
# props = np.concatenate(props,axis=0)
#process based
# processes = []
#
# indexes = [range(i*3000,(i+1)*3000) for i in range(4)]
# for i in range(4):
# p = Process(target=get_mols, args=(mols, [datas[j] for j in indexes[i]]))
# p.start()
# processes.append(p)
#
class DatasetSmall():
def __init__(self,
hd_folder,
reg_folder=None,
batch_size=64,
ext_list=['.bmp', '.tif', '.png'],
img_size=128): #
super(DatasetSmall, self).__init__()
self.hd_imgs_org = []
self.reg_imgs_org = []
self.batch_size = batch_size
self.ratio_pool = np.arange(0.5, 0.75, 0.01)
img_count = 0
self.hd_filelist, self.hd_filenames = getfilelist(hd_folder,
ext_list,
with_ext=True)
self.count = 0
self.reset_count = 20000
self.img_size = img_size
self.epoch_iteration = 5000
self.pool = Pool(6)
for this_hd_path, this_hd_name in zip(self.hd_filelist,
self.hd_filenames):
this_reg_path = os.path.join(reg_folder, this_hd_name)
reg_img_orig = imread(this_reg_path).astype(np.float32)
hd_img_orig = imread(this_hd_path).astype(np.float32)
hd_row, hd_col, chn = hd_img_orig.shape
#reg_row, reg_col, chn = reg_img_orig.shape
# now pad the image to at least img_size * 1.4
pad_hd_row, pad_hd_col = max(0,
int(1.4 * img_size) - hd_row), max(
0,
int(1.4 * img_size) - hd_col)
npad3 = ((pad_hd_row // 2, pad_hd_row - pad_hd_row // 2),
(pad_hd_col // 2, pad_hd_col - pad_hd_col // 2), (0, 0))
hd_img_orig = np.pad(hd_img_orig, npad3, 'symmetric')
reg_img_orig = np.pad(reg_img_orig, npad3, 'symmetric')
hd_img = (hd_img_orig / 127.5 - 1)
reg_img = (reg_img_orig / 127.5 - 1)
self.hd_imgs_org.append(hd_img)
self.reg_imgs_org.append(reg_img)
img_count += 1
print('Generated {} images'.format(img_count), hd_img_orig.shape)
self.num_imgs = len(self.hd_imgs_org)
print('start rotate')
self.hd_imgs = []
self.reg_imgs = []
self.rotate_img()
def rotate_img(self):
self.hd_imgs = []
self.reg_imgs = []
targets = self.pool.imap(
rotate_thread,
((self.hd_imgs_org[img_idx], self.reg_imgs_org[img_idx])
for i in range(self.num_imgs)))
for img_idx in range(self.num_imgs):
this_hd_img, this_reg_img = targets.__next__()
self.hd_imgs.append(this_hd_img)
self.reg_imgs.append(this_reg_img)
def get_next(self):
if self.count > 0 and self.count % self.reset_count == 0:
self.rotate_img()
self.count = 0
chose_img_index = np.random.choice(self.num_imgs, self.batch_size)
chose_imgs = len(chose_img_index)
hd_data_list = []
reg_data_list = []
already_taken = 0
every_taken = int(self.batch_size / chose_imgs)
for img_idx in chose_img_index:
this_hd = self.hd_imgs[img_idx]
this_reg = self.reg_imgs[img_idx]
# rotate the image
br = self.img_size // 2 + 1
this_chose = min(self.batch_size - already_taken, every_taken)
already_taken = already_taken + this_chose
#for idx in range(this_chose):
this_chose_count = 0
blank_count = 0
while this_chose_count < this_chose:
row_size, col_size = this_hd.shape[0:2]
try:
ridx = random.randint(0, row_size - self.img_size - 1)
cidx = random.randint(0, col_size - self.img_size - 1)
hd_data = this_hd[ridx:ridx + self.img_size,
cidx:cidx + self.img_size, :]
if random.random() > 0.3:
reg_data = this_reg[ridx:ridx + self.img_size,
cidx:cidx + self.img_size, :]
else: #sometime, I just use true data and make it small to train the model
this_down_ratio = np.random.choice(self.ratio_pool,
size=1,
replace=False)[0]
hd_row, hd_col, chn = hd_data.shape
low_row, low_col = int(this_down_ratio * hd_row), int(
this_down_ratio * hd_col)
low_hd = imresize_shape(hd_data, (low_row, low_col))
#print(np.mean(reg_img_down))
low_hd = imresize_shape(low_hd, (hd_row, hd_col))
#print('max and min value of hd image: ', np.max(low_hd), np.min(low_hd))
sigma = np.random.choice([1, 2], size=1,
replace=False)[0]
reg_data = skimage.filters.gaussian(low_hd.astype(
np.float32),
sigma=sigma,
multichannel=True)
hd_data_list.append(hd_data)
reg_data_list.append(reg_data)
except:
print(
'we have problem cropping the training data, img_size: ',
row_size, col_size)
this_chose_count += 1
blank_count = 0
#import pdb; pdb.set_trace()
#import pdb; pdb.set_trace()
hd_data_np = np.asarray(hd_data_list, dtype=np.float32)
reg_data_np = np.asarray(reg_data_list, dtype=np.float32)
hd_data_np = np.transpose(hd_data_np, (0, 3, 1, 2))
reg_data_np = np.transpose(reg_data_np, (0, 3, 1, 2))
self.count += self.batch_size
return {'low': reg_data_np, 'high': hd_data_np}
class Environment(ParamTree):
"""Environment for executing training and post training evaluations.
Takes care of process pool, reporting, and experiment parameters.
Parameters
----------
params : dict or str
Dictionary containing the parameters or a path to a parameters spec
file.
"""
from .util import (default_params, setup_params, open_data, store_gen,
store_gen_metrics, load_gen_metrics, stored_populations,
stored_indiv_measurements, store_hof, load_hof,
load_pop, load_indiv_measurements, env_path)
def __init__(self, params):
"""Initialize an environment for training or post training analysis."""
super().__init__()
self.setup_params(params)
self.metrics = list()
self.pool = None
self.data_file = None
self.hall_of_fame = list()
# choose task
self.task = select_task(self['task', 'name'])
# choose adequate type of individuals
if self['config', 'backend'].lower() == 'torch':
import wann_genetic.individual.torch as backend
else:
import wann_genetic.individual.numpy as backend
if self.task.is_recurrent:
self.ind_class = backend.RecurrentIndividual
else:
self.ind_class = backend.Individual
# only use enabled activations functions
available_funcs = self.ind_class.Phenotype.available_act_functions
enabled_acts = self['population', 'enabled_activation_funcs']
if self['population', 'enabled_activation_funcs'] != 'all':
self.ind_class.Phenotype.enabled_act_functions = [
available_funcs[i] for i in enabled_acts
]
def seed(self, seed):
"""Set seed to `seed` or from parameters.
Parameters
----------
seed : int
Seed to use.
"""
np.random.seed(seed)
@property
def elite_size(self):
"""Size of the elite (:math:`population\\ size * elite\\ ratio`)."""
return int(
np.floor(self['selection', 'elite_ratio'] *
self['population', 'size']))
def sample_weights(self, n=None):
if n is None:
n = self['sampling']['num_weights_per_iteration']
dist = self['sampling', 'distribution'].lower()
if dist == 'one':
w = 1
elif dist == 'uniform':
lower = self['sampling', 'lower_bound']
upper = self['sampling', 'upper_bound']
assert lower is not None and upper is not None
w = np.random.uniform(lower, upper, size=n)
elif dist == 'linspace':
lower = self['sampling', 'lower_bound']
upper = self['sampling', 'upper_bound']
assert lower is not None and upper is not None
w = np.linspace(lower, upper, num=n)
elif dist == 'lognormal':
mu = self['sampling', 'mean']
sigma = self['sampling', 'sigma']
assert mu is not None and sigma is not None
w = np.random.lognormal(mu, sigma, size=n)
elif dist == 'normal':
mu = self['sampling', 'mean']
sigma = self['sampling', 'sigma']
assert mu is not None and sigma is not None
w = np.random.normal(mu, sigma, size=n)
else:
raise RuntimeError(f'Distribution {dist} not implemented.')
self['sampling', 'current_weight'] = w
return w
def setup_pool(self, n=None):
"""Setup process pool."""
if n is None:
n = self['config', 'num_workers']
if n == 1:
self.pool = None
else:
if self['config', 'backend'].lower() == 'torch':
logging.info('Using torch multiprocessing')
from torch.multiprocessing import Pool
self.pool = Pool(n)
else:
logging.info('Using usual multiprocessing')
from multiprocessing import Pool
self.pool = Pool(n)
def pool_map(self, func, iter):
if self.pool is None:
return map(func, iter)
else:
return self.pool.imap(func, iter)
def setup_optimization(self):
"""Setup everything that is required for training (eg. loading test
samples).
"""
log_path = self.env_path(self['storage', 'log_filename'])
logging.info(f"Check log ('{log_path}') for details.")
logger = logging.getLogger()
fh = logging.FileHandler(log_path)
fh.setFormatter(
logging.Formatter(
'%(asctime)s - %(name)s - %(levelname)s - %(message)s'))
logger.addHandler(fh)
if self['config', 'debug']:
logger.setLevel(logging.DEBUG)
else:
logger.setLevel(logging.INFO)
logging.info(f"Package version {get_version()}")
p = os.path.abspath(self['experiment_path'])
logging.info(f'Saving data at {p}.')
logging.debug('Loading training dataset')
self.task.load_training(env=self)
# log used parameters
params_toml = toml.dumps(self.params)
logging.debug(f"Running experiments with the following parameters:\n"
f"{params_toml}")
with open(self.env_path('params.toml'), 'w') as f:
params = dict(self.params)
# mark stored params as part of a report
params['is_report'] = True
toml.dump(params, f)
def run(self):
"""Run optization and post optimization (if enabled)."""
# set up logging, write params
self.setup_optimization()
# set up pool of workers
self.setup_pool()
with self.open_data('w'):
# run optimization
self.optimize()
if self['postopt', 'run_postopt']:
with self.open_data('r'):
# evaluate individuals in hall of fame
self.post_optimization()
if self.pool is not None:
logging.info('Closing pool')
self.pool.close()
def optimize(self):
logging.info("Starting evolutionary algorithm")
ts = TimeStore()
alg = GeneticAlgorithm(self)
first_generation = True
self.seed(self['sampling', 'seed'])
ts.start()
for gen in np.arange(self['population', 'num_generations']) + 1:
ts.start()
pop = alg.ask()
seed = self['sampling', 'post_init_seed']
if (first_generation and not isinstance(seed, bool)):
self.seed(seed)
# evaluate indivs
weights = self.sample_weights()
logging.debug(f'Sampled weight {weights}')
make_measurements(self, pop, weights=weights)
obj_values = np.array(
[get_objective_values(ind, self.objectives) for ind in pop])
alg.tell(obj_values)
logging.debug('Updating hall of fame')
self.hall_of_fame = update_hall_of_fame(self, pop)
ts.stop()
avg = (ts.total / gen)
expected_time = (self['population', 'num_generations'] - gen) * avg
logging.info(
f'Completed generation {gen}; {ts.dt:.02}s elapsed, {avg:.02}s avg, {ts.total:.02}s total. '
f'Expected time remaining: {expected_time:.02}s')
self.store_data(gen, pop, dt=ts.dt)
self.last_population = pop
self.store_hof()
def post_optimization(self):
r = Report(self).run_evaluations( # run evaluations on test data
num_weights=self['postopt', 'num_weights'],
num_samples=self['postopt', 'num_samples'] # all
)
if self['postopt', 'compile_report']:
r.compile() # plot metrics, derive stats
else:
r.compile_stats() # at least derive and store stats
def store_data(self, gen, pop, dt=-1):
gen_metrics, indiv_metrics = self.population_metrics(
gen=gen, population=pop, return_indiv_measurements=True, dt=dt)
metric, metric_sign = self.hof_metric
p = ("MAX" if metric_sign > 0 else "MIN")
metric_value = gen_metrics[f"{p}:{metric}"]
logging.info(f"#{gen} {p}:{metric}: {metric_value:.2}")
self.metrics.append(gen_metrics)
commit_freq = self['storage', 'commit_elite_freq']
if (commit_freq > 0 and gen % commit_freq == 0):
self.store_gen(gen,
population=pop[:self.elite_size],
indiv_metrics=indiv_metrics)
commit_freq = self['storage', 'commit_metrics_freq']
if (commit_freq > 0 and gen % commit_freq == 0):
self.store_gen_metrics(pd.DataFrame(data=self.metrics))
def population_metrics(self,
population,
gen=None,
dt=-1,
return_indiv_measurements=False):
"""Get available measurements for all individuals in the population and
calculate statistical key metrics.
The statistical key metrics include:
`Q_{0, 4}`
The quartiles :math:`\\{1, 2, 3\\}` as well as the minimum and
maximum :math:`(0,4)`.
`MEAN`, `STD`
Mean and standard deviation.
`MIN`, `MEDIAN`, `MAX`
Equal to `Q_0`, `Q_2`, `Q_3`
Parameters
----------
population : [wann_genetic.Individual]
List of individuals that constitute the population.
gen : int
Current generation index (required for caluclating the individuals
age).
return_indiv_measurements : bool, optional
Whether to return the individual measurements as well.
Returns
-------
dict
Dictionary of the produced measurements (cross product of key
metrics and a list of individual measurements).
"""
if gen is None:
gen = self['population', 'num_generations']
rows = list()
for ind in population:
data = ind.metadata(current_gen=gen)
data.update(ind.measurements)
rows.append(data)
indiv_measurements = pd.DataFrame(data=rows)
metrics = dict(
num_unique_individuals=len(set(population)),
num_individuals=len(population),
delta_time=dt,
# number of inds without edges
num_no_edge_inds=np.sum(
indiv_measurements['n_enabled_edges'] == 0),
# number of inds without hidden nodes
num_no_hidden_inds=np.sum(indiv_measurements['n_hidden'] == 0),
# individual with the most occurences
biggest_ind=max([population.count(i) for i in set(population)]),
)
for name, values in indiv_measurements.items():
metrics[f'Q_0:{name}'] = metrics[f'MIN:{name}'] = values.min()
metrics[f'Q_1:{name}'] = np.quantile(values, .25)
metrics[f'Q_2:{name}'] = metrics[f'MEDIAN:{name}'] = values.median(
)
metrics[f'Q_3:{name}'] = np.quantile(values, .75)
metrics[f'Q_4:{name}'] = metrics[f'MAX:{name}'] = values.max()
metrics[f'MEAN:{name}'] = values.mean()
metrics[f'STD:{name}'] = values.std()
if return_indiv_measurements:
return metrics, indiv_measurements
else:
return metrics
net_utils.load_net(trained_model, net)
# net.load_from_npz(npz_fname)
# net_utils.save_net(h5_fname, net)
net.cuda()
net.eval()
print('load model succ...')
t_det = Timer()
t_total = Timer()
im_fnames = sorted((fname
for fname in os.listdir(im_path)
if os.path.splitext(fname)[-1] == '.jpg'))
im_fnames = (os.path.join(im_path, fname) for fname in im_fnames)
pool = Pool(processes=1)
for i, (image, im_data) in enumerate(pool.imap(
preprocess, im_fnames, chunksize=1)):
t_total.tic()
im_data = net_utils.np_to_variable(
im_data, is_cuda=True, volatile=True).permute(0, 3, 1, 2)
t_det.tic()
bbox_pred, iou_pred, prob_pred = net(im_data)
det_time = t_det.toc()
# to numpy
bbox_pred = bbox_pred.data.cpu().numpy()
iou_pred = iou_pred.data.cpu().numpy()
prob_pred = prob_pred.data.cpu().numpy()
# print bbox_pred.shape, iou_pred.shape, prob_pred.shape
bboxes, scores, cls_inds = yolo_utils.postprocess(
bbox_pred, iou_pred, prob_pred, image.shape, cfg, thresh)