def train_parallel(avg_loss, infer_prog, optimizer, train_reader, test_reader,
batch_acc, args, train_prog, startup_prog, nccl_id_var,
num_trainers, trainer_id):
place = core.CPUPlace() if args.device == 'CPU' else core.CUDAPlace(0)
if not args.use_reader_op:
feed_var_list = [
var for var in train_prog.global_block().vars.itervalues()
if var.is_data
]
feeder = fluid.DataFeeder(feed_var_list, place)
# generate fake:
if args.use_fake_data:
for var in feed_var_list:
v = startup_prog.global_block()._clone_variable(var)
var.persistable = True
v.persistable = True
real_shape = list(var.shape)
real_shape[0] = args.batch_size / args.gpus
startup_prog.global_block().append_op(outputs={"Out": v},
type="fill_constant",
attrs={
"shape": real_shape,
"value": 1.0,
"dtype": var.dtype
})
if nccl_id_var and trainer_id == 0:
#FIXME(wuyi): wait other trainer to start listening
time.sleep(30)
startup_exe = fluid.Executor(place)
startup_exe.run(startup_prog)
strategy = fluid.ExecutionStrategy()
strategy.num_threads = 1
strategy.allow_op_delay = False
exe = fluid.ParallelExecutor(True,
avg_loss.name,
exec_strategy=strategy,
num_trainers=num_trainers,
trainer_id=trainer_id)
for pass_id in range(args.pass_num):
num_samples = 0
iters = 0
start_time = time.time()
if not args.use_reader_op:
reader_generator = train_reader()
batch_id = 0
data = None
while True:
if not args.use_reader_op:
data = next(reader_generator, None)
if data == None:
break
if iters == args.iterations:
break
if args.profile and pass_id == 0 and batch_id == 5:
profiler.start_profiler("All")
elif args.profile and pass_id == 0 and batch_id == 10:
profiler.stop_profiler("total", "/tmp/profile_%d" % trainer_id)
if iters == args.skip_batch_num:
start_time = time.time()
num_samples = 0
if args.use_fake_data or args.use_reader_op:
try:
loss, = exe.run([avg_loss.name])
except fluid.core.EnforceNotMet as ex:
break
else:
loss, = exe.run([avg_loss.name], feed=feeder.feed(data))
if args.use_reader_op:
num_samples += args.batch_size * args.gpus
else:
num_samples += len(data)
iters += 1
if batch_id % 1 == 0:
print("Pass %d, batch %d, loss %s" %
(pass_id, batch_id, np.array(loss)))
batch_id += 1
print_train_time(start_time, time.time(), num_samples)
print("current activate thread num: ", threading.active_count())
if not args.no_test and batch_acc and not args.use_reader_op:
# we have not implement record io for test
# skip test when use args.use_reader_op
test_acc = test(startup_exe, infer_prog, test_reader, feeder,
batch_acc)
print("Pass: %d, Test Accuracy: %f\n" % (pass_id, test_acc))
print_test_acc(pass_id, test_acc)
def eval():
# check if set use_gpu=True in paddlepaddle cpu version
check_gpu(cfg.use_gpu)
if '2014' in cfg.dataset:
test_list = 'annotations/instances_val2014.json'
elif '2017' in cfg.dataset:
test_list = 'annotations/instances_val2017.json'
if cfg.debug:
if not os.path.exists('output'):
os.mkdir('output')
model = YOLOv3(is_train=False)
model.build_model()
outputs = model.get_pred()
place = fluid.CUDAPlace(0) if cfg.use_gpu else fluid.CPUPlace()
exe = fluid.Executor(place)
# yapf: disable
if cfg.weights:
def if_exist(var):
return os.path.exists(os.path.join(cfg.weights, var.name))
fluid.io.load_vars(exe, cfg.weights, predicate=if_exist)
# yapf: enable
# you can save inference model by following code
# fluid.io.save_inference_model("./output/yolov3",
# feeded_var_names=['image', 'im_shape'],
# target_vars=outputs,
# executor=exe)
input_size = cfg.input_size
test_reader = reader.test(input_size, 1)
label_names, label_ids = reader.get_label_infos()
if cfg.debug:
print("Load in labels {} with ids {}".format(label_names, label_ids))
feeder = fluid.DataFeeder(place=place, feed_list=model.feeds())
def get_pred_result(boxes, scores, labels, im_id):
result = []
for box, score, label in zip(boxes, scores, labels):
x1, y1, x2, y2 = box
w = x2 - x1 + 1
h = y2 - y1 + 1
bbox = [x1, y1, w, h]
res = {
'image_id': im_id,
'category_id': label_ids[int(label)],
'bbox': list(map(float, bbox)),
'score': float(score)
}
result.append(res)
return result
dts_res = []
fetch_list = [outputs]
total_time = 0
for batch_id, batch_data in enumerate(test_reader()):
start_time = time.time()
batch_outputs = exe.run(fetch_list=[v.name for v in fetch_list],
feed=feeder.feed(batch_data),
return_numpy=False,
use_program_cache=True)
lod = batch_outputs[0].lod()[0]
nmsed_boxes = np.array(batch_outputs[0])
if nmsed_boxes.shape[1] != 6:
continue
for i in range(len(lod) - 1):
im_id = batch_data[i][1]
start = lod[i]
end = lod[i + 1]
if start == end:
continue
nmsed_box = nmsed_boxes[start:end, :]
labels = nmsed_box[:, 0]
scores = nmsed_box[:, 1]
boxes = nmsed_box[:, 2:6]
dts_res += get_pred_result(boxes, scores, labels, im_id)
end_time = time.time()
print("batch id: {}, time: {}".format(batch_id, end_time - start_time))
total_time += end_time - start_time
with io.open("yolov3_result.json", 'w') as outfile:
encode_func = unicode if six.PY2 else str
outfile.write(encode_func(json.dumps(dts_res)))
print("start evaluate detection result with coco api")
coco = COCO(os.path.join(cfg.data_dir, test_list))
cocoDt = coco.loadRes("yolov3_result.json")
cocoEval = COCOeval(coco, cocoDt, 'bbox')
cocoEval.evaluate()
cocoEval.accumulate()
cocoEval.summarize()
print("evaluate done.")
print("Time per batch: {}".format(total_time / batch_id))
def train_parallel_do(args,
learning_rate,
batch_size,
num_passes,
init_model=None,
pretrained_model=None,
model_save_dir='model',
parallel=True,
use_nccl=True,
lr_strategy=None,
layers=50):
class_dim = 1000
image_shape = [3, 224, 224]
image = fluid.layers.data(name='image', shape=image_shape, dtype='float32')
label = fluid.layers.data(name='label', shape=[1], dtype='int64')
if parallel:
places = fluid.layers.device.get_places()
pd = fluid.layers.ParallelDo(places, use_nccl=use_nccl)
with pd.do():
image_ = pd.read_input(image)
label_ = pd.read_input(label)
if args.model is 'se_resnext':
out = SE_ResNeXt(input=image_,
class_dim=class_dim,
layers=layers)
else:
out = mobile_net(img=image_, class_dim=class_dim)
cost = fluid.layers.cross_entropy(input=out, label=label_)
avg_cost = fluid.layers.mean(x=cost)
acc_top1 = fluid.layers.accuracy(input=out, label=label_, k=1)
acc_top5 = fluid.layers.accuracy(input=out, label=label_, k=5)
pd.write_output(avg_cost)
pd.write_output(acc_top1)
pd.write_output(acc_top5)
avg_cost, acc_top1, acc_top5 = pd()
avg_cost = fluid.layers.mean(x=avg_cost)
acc_top1 = fluid.layers.mean(x=acc_top1)
acc_top5 = fluid.layers.mean(x=acc_top5)
else:
if args.model is 'se_resnext':
out = SE_ResNeXt(input=image, class_dim=class_dim, layers=layers)
else:
out = mobile_net(img=image, class_dim=class_dim)
cost = fluid.layers.cross_entropy(input=out, label=label)
avg_cost = fluid.layers.mean(x=cost)
acc_top1 = fluid.layers.accuracy(input=out, label=label, k=1)
acc_top5 = fluid.layers.accuracy(input=out, label=label, k=5)
inference_program = fluid.default_main_program().clone(for_test=True)
if "piecewise_decay" in lr_strategy:
bd = lr_strategy["piecewise_decay"]["bd"]
lr = lr_strategy["piecewise_decay"]["lr"]
optimizer = fluid.optimizer.Momentum(
learning_rate=fluid.layers.piecewise_decay(boundaries=bd,
values=lr),
momentum=0.9,
regularization=fluid.regularizer.L2Decay(1e-4))
elif "cosine_decay" in lr_strategy:
step_each_epoch = lr_strategy["cosine_decay"]["step_each_epoch"]
epochs = lr_strategy["cosine_decay"]["epochs"]
optimizer = fluid.optimizer.Momentum(
learning_rate=cosine_decay(learning_rate=learning_rate,
step_each_epoch=step_each_epoch,
epochs=epochs),
momentum=0.9,
regularization=fluid.regularizer.L2Decay(1e-4))
else:
optimizer = fluid.optimizer.Momentum(
learning_rate=learning_rate,
momentum=0.9,
regularization=fluid.regularizer.L2Decay(1e-4))
opts = optimizer.minimize(avg_cost)
if args.with_mem_opt:
fluid.memory_optimize(fluid.default_main_program())
place = fluid.CUDAPlace(0)
exe = fluid.Executor(place)
exe.run(fluid.default_startup_program())
if init_model is not None:
fluid.io.load_persistables(exe, init_model)
if pretrained_model:
def if_exist(var):
return os.path.exists(os.path.join(pretrained_model, var.name))
fluid.io.load_vars(exe, pretrained_model, predicate=if_exist)
train_reader = paddle.batch(reader.train(), batch_size=batch_size)
test_reader = paddle.batch(reader.test(), batch_size=batch_size)
feeder = fluid.DataFeeder(place=place, feed_list=[image, label])
for pass_id in range(num_passes):
train_info = [[], [], []]
test_info = [[], [], []]
for batch_id, data in enumerate(train_reader()):
t1 = time.time()
loss, acc1, acc5 = exe.run(
fluid.default_main_program(),
feed=feeder.feed(data),
fetch_list=[avg_cost, acc_top1, acc_top5])
t2 = time.time()
period = t2 - t1
train_info[0].append(loss[0])
train_info[1].append(acc1[0])
train_info[2].append(acc5[0])
if batch_id % 10 == 0:
print("Pass {0}, trainbatch {1}, loss {2}, \
acc1 {3}, acc5 {4} time {5}"
.format(pass_id, \
batch_id, loss[0], acc1[0], acc5[0], \
"%2.2f sec" % period))
sys.stdout.flush()
train_loss = np.array(train_info[0]).mean()
train_acc1 = np.array(train_info[1]).mean()
train_acc5 = np.array(train_info[2]).mean()
for data in test_reader():
t1 = time.time()
loss, acc1, acc5 = exe.run(
inference_program,
feed=feeder.feed(data),
fetch_list=[avg_cost, acc_top1, acc_top5])
t2 = time.time()
period = t2 - t1
test_info[0].append(loss[0])
test_info[1].append(acc1[0])
test_info[2].append(acc5[0])
if batch_id % 10 == 0:
print("Pass {0},testbatch {1},loss {2}, \
acc1 {3},acc5 {4},time {5}"
.format(pass_id, \
batch_id, loss[0], acc1[0], acc5[0], \
"%2.2f sec" % period))
sys.stdout.flush()
test_loss = np.array(test_info[0]).mean()
test_acc1 = np.array(test_info[1]).mean()
test_acc5 = np.array(test_info[2]).mean()
print("End pass {0}, train_loss {1}, train_acc1 {2}, train_acc5 {3}, \
test_loss {4}, test_acc1 {5}, test_acc5 {6}"
.format(pass_id, \
train_loss, train_acc1, train_acc5, test_loss, test_acc1, \
test_acc5))
sys.stdout.flush()
model_path = os.path.join(model_save_dir + '/' + args.model,
str(pass_id))
if not os.path.isdir(model_path):
os.makedirs(model_path)
fluid.io.save_persistables(exe, model_path)
def main(train_data_file, test_data_file, vocab_file, target_file, emb_file,
model_save_dir, num_passes, use_gpu, parallel):
args = parse_args()
if not os.path.exists(model_save_dir):
os.mkdir(model_save_dir)
BATCH_SIZE = 200
word_dict = load_dict(vocab_file)
label_dict = load_dict(target_file)
word_vector_values = get_embedding(emb_file)
word_dict_len = len(word_dict)
label_dict_len = len(label_dict)
avg_cost, feature_out, word, mark, target = ner_net(
word_dict_len, label_dict_len, parallel)
sgd_optimizer = fluid.optimizer.SGD(learning_rate=1e-3)
sgd_optimizer.minimize(avg_cost)
crf_decode = fluid.layers.crf_decoding(
input=feature_out, param_attr=fluid.ParamAttr(name='crfw'))
chunk_evaluator = fluid.evaluator.ChunkEvaluator(
input=crf_decode,
label=target,
chunk_scheme="IOB",
num_chunk_types=int(math.ceil((label_dict_len - 1) / 2.0)))
inference_program = fluid.default_main_program().clone()
with fluid.program_guard(inference_program):
test_target = chunk_evaluator.metrics + chunk_evaluator.states
inference_program = fluid.io.get_inference_program(test_target)
train_reader = paddle.batch(
reader.data_reader(train_data_file, word_dict, label_dict),
batch_size=BATCH_SIZE, drop_last=False)
test_reader = paddle.batch(
reader.data_reader(test_data_file, word_dict, label_dict),
batch_size=BATCH_SIZE, drop_last=False)
place = fluid.CUDAPlace(0) if use_gpu else fluid.CPUPlace()
feeder = fluid.DataFeeder(feed_list=[word, mark, target], place=place)
exe = fluid.Executor(place)
exe.run(fluid.default_startup_program())
embedding_name = 'emb'
embedding_param = fluid.global_scope().find_var(embedding_name).get_tensor(
)
embedding_param.set(word_vector_values, place)
batch_id = 0
total_time = 0.0
for pass_id in xrange(num_passes):
chunk_evaluator.reset(exe)
start_time = time.time()
for data in train_reader():
cost, batch_precision, batch_recall, batch_f1_score = exe.run(
fluid.default_main_program(),
feed=feeder.feed(data),
fetch_list=[avg_cost] + chunk_evaluator.metrics)
batch_id = batch_id + 1
t1 = time.time()
total_time += t1 - start_time
pass_precision, pass_recall, pass_f1_score = chunk_evaluator.eval(exe)
if pass_id == num_passes - 1:
if args.gpu_card_num == 1:
train_acc_kpi.add_record(pass_precision)
pass_duration_kpi.add_record(total_time / num_passes)
else:
train_acc_kpi_card4.add_record(pass_precision)
pass_duration_kpi_card4.add_record(total_time / num_passes)
if pass_id % 100 == 0:
print("[TrainSet] pass_id:" + str(pass_id) + " pass_precision:" +
str(pass_precision) + " pass_recall:" + str(
pass_recall) + " pass_f1_score:" + str(pass_f1_score))
pass_precision, pass_recall, pass_f1_score = test(
exe, chunk_evaluator, inference_program, test_reader, place)
if pass_id % 100 == 0:
print("[TestSet] pass_id:" + str(pass_id) + " pass_precision:" +
str(pass_precision) + " pass_recall:" + str(
pass_recall) + " pass_f1_score:" + str(pass_f1_score))
#save_dirname = os.path.join(model_save_dir, "params_pass_%d" % pass_id)
#fluid.io.save_inference_model(
# save_dirname, ['word', 'mark', 'target'], [crf_decode], exe)
if args.gpu_card_num == 1:
train_acc_kpi.persist()
pass_duration_kpi.persist()
else:
train_acc_kpi_card4.persist()
pass_duration_kpi_card4.persist()
def train(logger, args):
logger.info('Load data_set and vocab...')
with open(os.path.join(args.vocab_dir, 'vocab.data'), 'rb') as fin:
if six.PY2:
vocab = pickle.load(fin)
else:
vocab = pickle.load(fin, encoding='bytes')
logger.info('vocab size is {} and embed dim is {}'.format(
vocab.size(), vocab.embed_dim))
brc_data = BRCDataset(args.max_p_num, args.max_p_len, args.max_q_len,
args.trainset, args.devset)
logger.info('Converting text into ids...')
brc_data.convert_to_ids(vocab)
logger.info('Initialize the model...')
if not args.use_gpu:
place = fluid.CPUPlace()
dev_count = int(os.environ.get('CPU_NUM', multiprocessing.cpu_count()))
else:
place = fluid.CUDAPlace(0)
dev_count = fluid.core.get_cuda_device_count()
# build model
main_program = fluid.Program()
startup_prog = fluid.Program()
fluid.memory_optimize(startup_prog)
if args.enable_ce:
main_program.random_seed = args.random_seed
startup_prog.random_seed = args.random_seed
with fluid.program_guard(main_program, startup_prog):
with fluid.unique_name.guard():
avg_cost, s_probs, e_probs, match, feed_order = rc_model.rc_model(
args.hidden_size, vocab, args)
# clone from default main program and use it as the validation program
inference_program = main_program.clone(for_test=True)
# build optimizer
if args.optim == 'sgd':
optimizer = fluid.optimizer.SGD(
learning_rate=args.learning_rate)
elif args.optim == 'adam':
optimizer = fluid.optimizer.Adam(
learning_rate=args.learning_rate)
elif args.optim == 'rprop':
optimizer = fluid.optimizer.RMSPropOptimizer(
learning_rate=args.learning_rate)
else:
logger.error('Unsupported optimizer: {}'.format(args.optim))
exit(-1)
if args.weight_decay > 0.0:
obj_func = avg_cost + args.weight_decay * l2_loss(main_program)
#ipdb.set_trace()
optimizer.minimize(obj_func)
else:
obj_func = avg_cost
optimizer.minimize(obj_func)
# initialize parameters
place = core.CUDAPlace(0) if args.use_gpu else core.CPUPlace()
exe = Executor(place)
if args.load_dir:
logger.info('load from {}'.format(args.load_dir))
fluid.io.load_persistables(exe,
args.load_dir,
main_program=main_program)
else:
exe.run(startup_prog)
embedding_para = fluid.global_scope().find_var(
'embedding_para_1').get_tensor()
embedding_para.set(vocab.embeddings.astype(np.float32), place)
#load elmo data
src_pretrain_model_path = '490001'
fluid.io.load_vars(executor=exe,
dirname=src_pretrain_model_path,
predicate=if_exist,
main_program=main_program)
# prepare data
feed_list = [
main_program.global_block().var(var_name)
for var_name in feed_order
]
#ipdb.set_trace()
feeder = fluid.DataFeeder(feed_list, place)
logger.info('Training the model...')
parallel_executor = fluid.ParallelExecutor(
main_program=main_program,
use_cuda=bool(args.use_gpu),
loss_name=avg_cost.name)
print_para(main_program, parallel_executor, logger, args)
for pass_id in range(1, args.pass_num + 1):
pass_start_time = time.time()
pad_id = vocab.get_id(vocab.pad_token)
if args.enable_ce:
train_reader = lambda: brc_data.gen_mini_batches(
'train', args.batch_size, pad_id, shuffle=False)
else:
train_reader = lambda: brc_data.gen_mini_batches(
'train', args.batch_size, pad_id, shuffle=True)
train_reader = read_multiple(train_reader, dev_count)
log_every_n_batch, n_batch_loss = args.log_interval, 0
total_num, total_loss = 0, 0
for batch_id, batch_list in enumerate(train_reader(), 1):
feed_data = batch_reader(batch_list, args)
#ipdb.set_trace()
fetch_outs = parallel_executor.run(
feed=list(feeder.feed_parallel(feed_data, dev_count)),
fetch_list=[obj_func.name],
return_numpy=False)
cost_train = np.array(fetch_outs[0]).mean()
total_num += args.batch_size * dev_count
n_batch_loss += cost_train
total_loss += cost_train * args.batch_size * dev_count
if args.enable_ce and batch_id >= 100:
break
if log_every_n_batch > 0 and batch_id % log_every_n_batch == 0:
print_para(main_program, parallel_executor, logger,
args)
logger.info(
'Average loss from batch {} to {} is {}'.format(
batch_id - log_every_n_batch + 1, batch_id,
"%.10f" % (n_batch_loss / log_every_n_batch)))
n_batch_loss = 0
if args.dev_interval > 0 and batch_id % args.dev_interval == 0:
if brc_data.dev_set is not None:
eval_loss, bleu_rouge = validation(
inference_program, avg_cost, s_probs, e_probs,
match, feed_order, place, dev_count, vocab,
brc_data, logger, args)
logger.info('Dev eval loss {}'.format(eval_loss))
logger.info(
'Dev eval result: {}'.format(bleu_rouge))
pass_end_time = time.time()
time_consumed = pass_end_time - pass_start_time
logger.info('epoch: {0}, epoch_time_cost: {1:.2f}'.format(
pass_id, time_consumed))
logger.info(
'Evaluating the model after epoch {}'.format(pass_id))
if brc_data.dev_set is not None:
eval_loss, bleu_rouge = validation(inference_program,
avg_cost, s_probs,
e_probs, match,
feed_order, place,
dev_count, vocab,
brc_data, logger, args)
logger.info('Dev eval loss {}'.format(eval_loss))
logger.info('Dev eval result: {}'.format(bleu_rouge))
else:
logger.warning(
'No dev set is loaded for evaluation in the dataset!')
logger.info('Average train loss for epoch {} is {}'.format(
pass_id, "%.10f" % (1.0 * total_loss / total_num)))
if pass_id % args.save_interval == 0:
model_path = os.path.join(args.save_dir, str(pass_id))
if not os.path.isdir(model_path):
os.makedirs(model_path)
fluid.io.save_persistables(executor=exe,
dirname=model_path,
main_program=main_program)
if args.enable_ce: # For CE
print("kpis\ttrain_cost_card%d\t%f" %
(dev_count, total_loss / total_num))
if brc_data.dev_set is not None:
print("kpis\ttest_cost_card%d\t%f" %
(dev_count, eval_loss))
print("kpis\ttrain_duration_card%d\t%f" %
(dev_count, time_consumed))
place = fluid.CUDAPlace(0) if use_cuda else fluid.CPUPlace()
exe = fluid.Executor(place) #创建一个Executor实例exe
exe.run(fluid.default_startup_program()) #Executor的run()方法执行startup_program(),进行参数初始化
# **（2）定义输入数据维度**
#
# DataFeeder负责将数据提供器（train_reader,test_reader）返回的数据转成一种特殊的数据结构，使其可以输入到Executor中。
#
# feed_list设置向模型输入的向变量表或者变量表名
# In[9]:
# 定义输入数据维度
feeder = fluid.DataFeeder(place=place, feed_list=[x, y])#feed_list:向模型输入的变量表或变量表名
# **（3）定义绘制训练过程的损失值变化趋势的方法draw_train_process**
# In[10]:
iter=0
iters=[]
train_costs=[]
def draw_train_process(iters,train_costs):
title="training cost"
plt.title(title, fontsize=24)
plt.xlabel("iter", fontsize=14)
def create_network(self, is_infer=False):
"""Create data layers and model network.
:param is_training: Whether to create a network for training.
:type is_training: bool
:return reader: Reader for input.
:rtype reader: read generater
:return log_probs: An output unnormalized log probability layer.
:rtype lig_probs: Varable
:return loss: A ctc loss layer.
:rtype loss: Variable
"""
if not is_infer:
input_fields = {
'names': ['audio_data', 'text_data', 'seq_len_data', 'masks'],
'shapes': [[None, 161, None], [None, 1], [None, 1],
[None, 32, 81, None]],
'dtypes': ['float32', 'int32', 'int64', 'float32'],
'lod_levels': [0, 1, 0, 0]
}
inputs = [
fluid.data(name=input_fields['names'][i],
shape=input_fields['shapes'][i],
dtype=input_fields['dtypes'][i],
lod_level=input_fields['lod_levels'][i])
for i in range(len(input_fields['names']))
]
reader = fluid.io.DataLoader.from_generator(feed_list=inputs,
capacity=64,
iterable=False,
use_double_buffer=True)
(audio_data, text_data, seq_len_data, masks) = inputs
else:
audio_data = fluid.data(name='audio_data',
shape=[None, 161, None],
dtype='float32',
lod_level=0)
seq_len_data = fluid.data(name='seq_len_data',
shape=[None, 1],
dtype='int64',
lod_level=0)
masks = fluid.data(name='masks',
shape=[None, 32, 81, None],
dtype='float32',
lod_level=0)
text_data = None
reader = fluid.DataFeeder([audio_data, seq_len_data, masks],
self._place)
log_probs, loss = deep_speech_v2_network(
audio_data=audio_data,
text_data=text_data,
seq_len_data=seq_len_data,
masks=masks,
dict_size=self._vocab_size,
num_conv_layers=self._num_conv_layers,
num_rnn_layers=self._num_rnn_layers,
rnn_size=self._rnn_layer_size,
use_gru=self._use_gru,
share_rnn_weights=self._share_rnn_weights)
return reader, log_probs, loss
def run_trainer(self, args):
test_program, avg_cost, train_reader, test_reader, batch_acc, predict = \
self.get_model(batch_size=args.batch_size)
if args.mem_opt:
fluid.memory_optimize(fluid.default_main_program(),
skip_grads=True)
if args.is_dist:
t = self.get_transpiler(args.trainer_id,
fluid.default_main_program(),
args.endpoints, args.trainers,
args.sync_mode, args.dc_asgd)
trainer_prog = t.get_trainer_program()
else:
trainer_prog = fluid.default_main_program()
if args.use_cuda:
place = fluid.CUDAPlace(0)
else:
place = fluid.CPUPlace()
startup_exe = fluid.Executor(place)
startup_exe.run(fluid.default_startup_program())
strategy = fluid.ExecutionStrategy()
strategy.num_threads = 1
strategy.allow_op_delay = False
build_stra = fluid.BuildStrategy()
if args.batch_merge_repeat > 1:
pass_builder = build_stra._create_passes_from_strategy()
mypass = pass_builder.insert_pass(
len(pass_builder.all_passes()) - 2, "multi_batch_merge_pass")
mypass.set_int("num_repeats", args.batch_merge_repeat)
if args.use_reduce:
build_stra.reduce_strategy = fluid.BuildStrategy.ReduceStrategy.Reduce
else:
build_stra.reduce_strategy = fluid.BuildStrategy.ReduceStrategy.AllReduce
exe = fluid.ParallelExecutor(args.use_cuda,
loss_name=avg_cost.name,
exec_strategy=strategy,
build_strategy=build_stra)
feed_var_list = [
var for var in trainer_prog.global_block().vars.values()
if var.is_data
]
feeder = fluid.DataFeeder(feed_var_list, place)
reader_generator = train_reader()
def get_data():
origin_batch = next(reader_generator)
if args.is_dist and args.use_reader_alloc:
new_batch = []
for offset, item in enumerate(origin_batch):
if offset % 2 == args.trainer_id:
new_batch.append(item)
return new_batch
else:
return origin_batch
out_losses = []
for _ in six.moves.xrange(RUN_STEP):
loss, = exe.run(fetch_list=[avg_cost.name],
feed=feeder.feed(get_data()))
out_losses.append(loss[0])
if six.PY2:
print(pickle.dumps(out_losses))
else:
sys.stdout.buffer.write(pickle.dumps(out_losses))
def compress(args):
# 1. quantization configs
quant_config = {
# weight quantize type, default is 'channel_wise_abs_max'
'weight_quantize_type': 'channel_wise_abs_max',
# activation quantize type, default is 'moving_average_abs_max'
'activation_quantize_type': 'moving_average_abs_max',
# weight quantize bit num, default is 8
'weight_bits': 8,
# activation quantize bit num, default is 8
'activation_bits': 8,
# ops of name_scope in not_quant_pattern list, will not be quantized
'not_quant_pattern': ['skip_quant'],
# ops of type in quantize_op_types, will be quantized
'quantize_op_types': ['conv2d', 'depthwise_conv2d', 'mul'],
# data type after quantization, such as 'uint8', 'int8', etc. default is 'int8'
'dtype': 'int8',
# window size for 'range_abs_max' quantization. defaulf is 10000
'window_size': 10000,
# The decay coefficient of moving average, default is 0.9
'moving_rate': 0.9,
}
train_reader = None
test_reader = None
if args.data == "mnist":
import paddle.dataset.mnist as reader
train_reader = reader.train()
val_reader = reader.test()
class_dim = 10
image_shape = "1,28,28"
elif args.data == "imagenet":
import imagenet_reader as reader
train_reader = reader.train()
val_reader = reader.val()
class_dim = 1000
image_shape = "3,224,224"
else:
raise ValueError("{} is not supported.".format(args.data))
image_shape = [int(m) for m in image_shape.split(",")]
assert args.model in model_list, "{} is not in lists: {}".format(
args.model, model_list)
image = fluid.layers.data(name='image', shape=image_shape, dtype='float32')
if args.use_pact:
image.stop_gradient = False
label = fluid.layers.data(name='label', shape=[1], dtype='int64')
# model definition
model = models.__dict__[args.model]()
out = model.net(input=image, class_dim=class_dim)
cost = fluid.layers.cross_entropy(input=out, label=label)
avg_cost = fluid.layers.mean(x=cost)
acc_top1 = fluid.layers.accuracy(input=out, label=label, k=1)
acc_top5 = fluid.layers.accuracy(input=out, label=label, k=5)
train_prog = fluid.default_main_program()
val_program = fluid.default_main_program().clone(for_test=True)
place = fluid.CUDAPlace(0) if args.use_gpu else fluid.CPUPlace()
opt = create_optimizer(args)
opt.minimize(avg_cost)
exe = fluid.Executor(place)
exe.run(fluid.default_startup_program())
# 2. quantization transform programs (training aware)
# Make some quantization transforms in the graph before training and testing.
# According to the weight and activation quantization type, the graph will be added
# some fake quantize operators and fake dequantize operators.
if args.use_pact:
act_preprocess_func = pact
optimizer_func = get_optimizer
executor = exe
else:
act_preprocess_func = None
optimizer_func = None
executor = None
val_program = quant_aware(val_program,
place,
quant_config,
scope=None,
act_preprocess_func=act_preprocess_func,
optimizer_func=optimizer_func,
executor=executor,
for_test=True)
compiled_train_prog = quant_aware(train_prog,
place,
quant_config,
scope=None,
act_preprocess_func=act_preprocess_func,
optimizer_func=optimizer_func,
executor=executor,
for_test=False)
assert os.path.exists(
args.pretrained_model), "pretrained_model doesn't exist"
if args.pretrained_model:
def if_exist(var):
return os.path.exists(os.path.join(args.pretrained_model,
var.name))
fluid.io.load_vars(exe, args.pretrained_model, predicate=if_exist)
val_reader = paddle.fluid.io.batch(val_reader, batch_size=args.batch_size)
train_reader = paddle.fluid.io.batch(train_reader,
batch_size=args.batch_size,
drop_last=True)
train_feeder = feeder = fluid.DataFeeder([image, label], place)
val_feeder = feeder = fluid.DataFeeder([image, label],
place,
program=val_program)
def test(epoch, program):
batch_id = 0
acc_top1_ns = []
acc_top5_ns = []
for data in val_reader():
start_time = time.time()
acc_top1_n, acc_top5_n = exe.run(
program,
feed=train_feeder.feed(data),
fetch_list=[acc_top1.name, acc_top5.name])
end_time = time.time()
if batch_id % args.log_period == 0:
_logger.info(
"Eval epoch[{}] batch[{}] - acc_top1: {}; acc_top5: {}; time: {}"
.format(epoch, batch_id, np.mean(acc_top1_n),
np.mean(acc_top5_n), end_time - start_time))
acc_top1_ns.append(np.mean(acc_top1_n))
acc_top5_ns.append(np.mean(acc_top5_n))
batch_id += 1
_logger.info(
"Final eval epoch[{}] - acc_top1: {}; acc_top5: {}".format(
epoch, np.mean(np.array(acc_top1_ns)),
np.mean(np.array(acc_top5_ns))))
return np.mean(np.array(acc_top1_ns))
def train(epoch, compiled_train_prog):
batch_id = 0
for data in train_reader():
start_time = time.time()
loss_n, acc_top1_n, acc_top5_n = exe.run(
compiled_train_prog,
feed=train_feeder.feed(data),
fetch_list=[avg_cost.name, acc_top1.name, acc_top5.name])
end_time = time.time()
loss_n = np.mean(loss_n)
acc_top1_n = np.mean(acc_top1_n)
acc_top5_n = np.mean(acc_top5_n)
if batch_id % args.log_period == 0:
_logger.info(
"epoch[{}]-batch[{}] - loss: {}; acc_top1: {}; acc_top5: {}; time: {}"
.format(epoch, batch_id, loss_n, acc_top1_n, acc_top5_n,
end_time - start_time))
if args.use_pact and batch_id % 1000 == 0:
threshold = {}
for var in val_program.list_vars():
if 'pact' in var.name:
array = np.array(fluid.global_scope().find_var(
var.name).get_tensor())
threshold[var.name] = array[0]
print(threshold)
batch_id += 1
build_strategy = fluid.BuildStrategy()
build_strategy.memory_optimize = False
build_strategy.enable_inplace = False
build_strategy.fuse_all_reduce_ops = False
build_strategy.sync_batch_norm = False
exec_strategy = fluid.ExecutionStrategy()
compiled_train_prog = compiled_train_prog.with_data_parallel(
loss_name=avg_cost.name,
build_strategy=build_strategy,
exec_strategy=exec_strategy)
# train loop
best_acc1 = 0.0
best_epoch = 0
start_epoch = 0
if args.checkpoint_dir is not None:
ckpt_path = args.checkpoint_dir
assert args.checkpoint_epoch is not None, "checkpoint_epoch must be set"
start_epoch = args.checkpoint_epoch
fluid.io.load_persistables(exe,
dirname=args.checkpoint_dir,
main_program=val_program)
start_step = start_epoch * int(
math.ceil(float(args.total_images) / args.batch_size))
v = fluid.global_scope().find_var('@LR_DECAY_COUNTER@').get_tensor()
v.set(np.array([start_step]).astype(np.float32), place)
for i in range(start_epoch, args.num_epochs):
train(i, compiled_train_prog)
acc1 = test(i, val_program)
fluid.io.save_persistables(exe,
dirname=os.path.join(
args.output_dir, str(i)),
main_program=val_program)
if acc1 > best_acc1:
best_acc1 = acc1
best_epoch = i
fluid.io.save_persistables(exe,
dirname=os.path.join(
args.output_dir, 'best_model'),
main_program=val_program)
if os.path.exists(os.path.join(args.output_dir, 'best_model')):
fluid.io.load_persistables(exe,
dirname=os.path.join(
args.output_dir, 'best_model'),
main_program=val_program)
# 3. Freeze the graph after training by adjusting the quantize
# operators' order for the inference.
# The dtype of float_program's weights is float32, but in int8 range.
float_program, int8_program = convert(val_program, place, quant_config, \
scope=None, \
save_int8=True)
print("eval best_model after convert")
final_acc1 = test(best_epoch, float_program)
# 4. Save inference model
model_path = os.path.join(
quantization_model_save_dir, args.model,
'act_' + quant_config['activation_quantize_type'] + '_w_' +
quant_config['weight_quantize_type'])
float_path = os.path.join(model_path, 'float')
int8_path = os.path.join(model_path, 'int8')
if not os.path.isdir(model_path):
os.makedirs(model_path)
fluid.io.save_inference_model(dirname=float_path,
feeded_var_names=[image.name],
target_vars=[out],
executor=exe,
main_program=float_program,
model_filename=float_path + '/model',
params_filename=float_path + '/params')
fluid.io.save_inference_model(dirname=int8_path,
feeded_var_names=[image.name],
target_vars=[out],
executor=exe,
main_program=int8_program,
model_filename=int8_path + '/model',
params_filename=int8_path + '/params')
def run_gpu_fleet_api_trainer(self, args):
assert args.update_method == "nccl2"
self.lr = args.lr
exec_strategy = fluid.ExecutionStrategy()
exec_strategy.num_threads = 1
dist_strategy = DistributedStrategy()
dist_strategy.exec_strategy = exec_strategy
dist_strategy.fuse_memory_size = 1 # MB
dist_strategy.fuse_laryer_size = 1
if args.use_local_sgd:
dist_strategy.use_local_sgd = True
if args.ut4grad_allreduce:
dist_strategy._ut4grad_allreduce = True
if args.sync_batch_norm:
dist_strategy.sync_batch_norm = True
role = role_maker.PaddleCloudRoleMaker(is_collective=True)
fleet.init(role)
print_to_err("gpu_fleet", "fleet.node_num:")
# "fleet.node_id:", fleet.node_id(),
# "fleet.trainer_num:", fleet.worker_num())
test_program, avg_cost, train_reader, test_reader, batch_acc, predict = \
self.get_model(batch_size=args.batch_size, dist_strategy=dist_strategy)
trainer_prog = fleet._origin_program
dist_prog = fleet.main_program
device_id = int(os.getenv("FLAGS_selected_gpus", "0"))
place = fluid.CUDAPlace(device_id)
exe = fluid.Executor(place)
exe.run(fluid.default_startup_program())
eprint(type(self).__name__, "run worker startup program done.")
feed_var_list = [
var for var in trainer_prog.global_block().vars.values()
if var.is_data
]
eprint("feed_var_list:", feed_var_list)
# tmp add this code to pass python35 gcc8 CI
# Fixme(gongweibao, wangxi), need fix fleet api program order
if feed_var_list[0].name == 'label':
feed_var_list = feed_var_list[::-1]
feeder = fluid.DataFeeder(feed_var_list, place)
reader_generator = train_reader()
def get_data():
origin_batch = next(reader_generator)
if args.update_method != "local" and args.use_reader_alloc:
new_batch = []
for offset, item in enumerate(origin_batch):
if offset % 2 == args.trainer_id:
new_batch.append(item)
return new_batch
else:
return origin_batch
print_to_err(type(self).__name__, "begin to train on trainer")
out_losses = []
for i in six.moves.xrange(RUN_STEP):
loss, = exe.run(dist_prog,
fetch_list=[avg_cost.name],
feed=feeder.feed(get_data()))
out_losses.append(loss[0])
print_to_err(type(self).__name__, "run step %d finished" % i)
print_to_err(type(self).__name__, "trainer run finished")
if six.PY2:
print(pickle.dumps(out_losses))
else:
sys.stdout.buffer.write(pickle.dumps(out_losses))
if args.save_model:
model_save_dir = "/tmp"
if fleet.worker_index() == 0:
model_save_dir_fluid = os.path.join(model_save_dir,
"fluid_persistables")
model_save_dir_fleet = os.path.join(model_save_dir,
"fleet_persistables")
infer_save_dir_fluid = os.path.join(model_save_dir,
"fluid_infer")
infer_save_dir_fleet = os.path.join(model_save_dir,
"fleet_infer")
else:
model_save_dir_fluid = os.path.join(model_save_dir,
"fluid_persistables_2")
model_save_dir_fleet = os.path.join(model_save_dir,
"fleet_persistables_2")
infer_save_dir_fluid = os.path.join(model_save_dir,
"fluid_infer_2")
infer_save_dir_fleet = os.path.join(model_save_dir,
"fleet_infer_2")
fluid.io.save_persistables(exe, model_save_dir_fluid,
fleet._origin_program)
fleet.save_persistables(executor=exe, dirname=model_save_dir_fleet)
feeded_var_names = [var.name for var in feed_var_list]
fluid.io.save_inference_model(infer_save_dir_fluid,
feeded_var_names, [avg_cost], exe,
fleet._origin_program)
fleet.save_inference_model(exe, infer_save_dir_fleet,
feeded_var_names, [avg_cost])
def run_trainer(self, args):
self.lr = args.lr
if args.nccl2_reduce_layer_local_run:
test_program, avg_cost, train_reader, test_reader, batch_acc, predict = \
self.get_model(batch_size=args.batch_size, single_device=True)
elif args.use_dgc:
test_program, avg_cost, train_reader, test_reader, batch_acc, predict = \
self.get_model(batch_size=args.batch_size, use_dgc=args.use_dgc)
else:
test_program, avg_cost, train_reader, test_reader, batch_acc, predict = \
self.get_model(batch_size=args.batch_size)
if args.update_method == "pserver":
print_to_err(
type(self).__name__,
"begin to run transpile on trainer with pserver mode")
t = self.get_transpiler(trainer_id=args.trainer_id,
main_program=fluid.default_main_program(),
pserver_endpoints=args.endpoints,
trainers=args.trainers,
sync_mode=args.sync_mode,
dc_asgd=args.dc_asgd,
hogwild_mode=args.hogwild)
trainer_prog = t.get_trainer_program()
print_to_err(
type(self).__name__,
"get trainer program done with pserver mode.")
elif args.update_method == "nccl2" or args.update_method == "nccl2_reduce_layer":
# transpile for nccl2
config = fluid.DistributeTranspilerConfig()
config.mode = "nccl2"
config.nccl_comm_num = args.nccl_comm_num
if args.use_hallreduce:
config.use_hierarchical_allreduce = True
config.hierarchical_allreduce_inter_nranks = args.hallreduce_inter_nranks
print_to_err(
type(self).__name__,
"begin to run transpile on trainer with nccl2 mode")
nccl2_t = fluid.DistributeTranspiler(config=config)
nccl2_t.transpile(args.trainer_id,
program=fluid.default_main_program(),
startup_program=fluid.default_startup_program(),
trainers=args.endpoints,
current_endpoint=args.current_endpoint)
print_to_err(
type(self).__name__,
"get trainer program done. with nccl2 mode")
trainer_prog = fluid.default_main_program()
else:
print_to_err(
type(self).__name__,
"do nothing about main program, just use it")
trainer_prog = fluid.default_main_program()
print_to_err(type(self).__name__, "use main program done.")
# FIXME(gongwb):wait pserver initialization.
time.sleep(1)
if args.use_cuda:
device_id = int(os.getenv("FLAGS_selected_gpus", "0"))
place = fluid.CUDAPlace(device_id)
else:
place = fluid.CPUPlace()
exe = fluid.Executor(place)
exe.run(fluid.default_startup_program())
print_to_err(type(self).__name__, "run worker startup program done.")
exec_strategy = fluid.ExecutionStrategy()
exec_strategy.num_threads = 1
build_stra = fluid.BuildStrategy()
# FIXME force disable enable_inplace and memory_optimize
build_stra.enable_inplace = False
build_stra.memory_optimize = False
if args.hogwild:
build_stra.async_mode = True
if args.enable_backward_deps:
build_stra.enable_backward_optimizer_op_deps = True
if args.use_reduce:
build_stra.reduce_strategy = fluid.BuildStrategy.ReduceStrategy.Reduce
else:
build_stra.reduce_strategy = fluid.BuildStrategy.ReduceStrategy.AllReduce
pass_builder = None
if args.batch_merge_repeat > 1:
pass_builder = build_stra._finalize_strategy_and_create_passes()
mypass = pass_builder.insert_pass(0, "multi_batch_merge_pass")
mypass.set("num_repeats", args.batch_merge_repeat)
if args.update_method == "nccl2" or args.update_method == "nccl2_reduce_layer":
build_stra.num_trainers = len(args.endpoints.split(","))
build_stra.trainer_id = args.trainer_id
else:
# case args.update_method == "nccl2_reduce_layer":
build_stra.num_trainers = 1
build_stra.trainer_id = 0
print_to_err(
type(self).__name__, "begin to compile with data parallel")
binary = compiler.CompiledProgram(trainer_prog).with_data_parallel(
loss_name=avg_cost.name,
build_strategy=build_stra,
exec_strategy=exec_strategy)
print_to_err(
type(self).__name__, "program compiled with data parallel")
feed_var_list = [
var for var in trainer_prog.global_block().vars.values()
if var.is_data
]
feeder = fluid.DataFeeder(feed_var_list, place)
reader_generator = train_reader()
def get_data():
origin_batch = next(reader_generator)
if args.update_method != "local" and args.use_reader_alloc:
new_batch = []
for offset, item in enumerate(origin_batch):
if offset % 2 == args.trainer_id:
new_batch.append(item)
return new_batch
else:
return origin_batch
print_to_err(type(self).__name__, "begin to train on trainer")
out_losses = []
for i in six.moves.xrange(RUN_STEP):
loss, = exe.run(binary,
fetch_list=[avg_cost.name],
feed=feeder.feed(get_data()))
out_losses.append(loss[0])
print_to_err(type(self).__name__, "run step %d finished" % i)
print_to_err(type(self).__name__, "trainer run finished")
print_to_out(out_losses)
def train_one_user(arg_dict, trainer_config):
show_metric = trainer_config["show_metric"]
shuffle = trainer_config["shuffle"]
max_training_steps = trainer_config["max_training_steps"]
batch_size = trainer_config["batch_size"]
# logging.info("training one user...")
main_program = fluid.Program.parse_from_string(
trainer_config["main_program_desc"])
startup_program = fluid.Program.parse_from_string(
trainer_config["startup_program_desc"])
place = fluid.CPUPlace()
exe = fluid.Executor(place)
scope = fluid.global_scope()
if (startup_program is None):
logging.error("startup_program is None")
exit()
exe.run(startup_program)
feeder = fluid.DataFeeder(feed_list=trainer_config["input_names"],
place=place,
program=main_program)
data_server_endpoints = arg_dict["data_endpoints"]
# create data clients
data_client = DataClient()
data_client.set_data_server_endpoints(data_server_endpoints)
uid = arg_dict["uid"]
date = arg_dict["date"]
global_param_dict = arg_dict["global_params"]
user_data = data_client.get_data_by_uid(uid, date)
train_reader = reader.train_reader(user_data)
if shuffle == True:
train_reader = paddle.reader.shuffle(train_reader, buf_size=10000)
train_reader = paddle.batch(train_reader, batch_size=batch_size)
# get user param
# logging.debug("do not need to get user params")
set_global_param_dict(arg_dict["global_param_names"],
arg_dict["global_params"], scope)
if (main_program is None):
logging.error("main_program is None")
exit()
epoch = trainer_config["epoch"]
max_steps_in_epoch = trainer_config.get("max_steps_in_epoch", -1)
metrics = trainer_config["metrics"]
fetch_list = []
for var in trainer_config["target_names"]:
fetch_list.append(var)
for ei in range(epoch):
fetch_res_list = []
trained_sample_num = 0
step = 0
num_layers = trainer_config["num_layers"]
hidden_size = trainer_config["n_hidden"]
tot_loss, tot_correct = 0, 0
tot_samples = 0
init_hidden, init_cell = generate_init_data(batch_size, num_layers,
hidden_size)
for data in train_reader():
feed_data, input_lengths = prepare_input(batch_size, data,
init_hidden, init_cell)
fetch_res = exe.run(main_program,
feed=feeder.feed(feed_data),
fetch_list=fetch_list)
loss, last_hidden, last_cell, correct = fetch_res
init_hidden = np.array(last_hidden)
init_cell = np.array(last_cell)
tot_loss += np.array(loss)
tot_correct += np.array(correct)
tot_samples += np.sum(input_lengths)
step += 1
trained_sample_num += len(data)
fetch_res_list.append([np.array(loss), np.array(correct)])
if max_steps_in_epoch != -1 and step >= max_steps_in_epoch:
break
if show_metric and trained_sample_num > 0:
loss = tot_loss / step
acc = float(tot_correct) / tot_samples
print("loss: {}, acc: {}".format(loss, acc))
local_updated_param_dict = {}
# update user param
# logging.debug("do not need to update user params")
data_client.set_param_by_uid(uid, local_updated_param_dict)
# global_updated_param_dict = {}
write_global_param_file = arg_dict["write_global_param_file"]
#os.makedirs("%s/params" % write_global_param_file)
for var_name in arg_dict["global_param_names"]:
var = scope.var(var_name).get_tensor().__array__().astype(np.float32)
filename = os.path.join(write_global_param_file, "params", var_name)
#logging.info("filename: {}".format(filename))
dirname = os.path.dirname(filename)
if not os.path.exists(dirname):
os.makedirs(dirname)
with open(filename, "w") as f:
np.save(f, var)
with open("%s/_info" % write_global_param_file, "w") as f:
pickle.dump([uid, trained_sample_num], file=f)
def infer_one_user(arg_dict, trainer_config):
"""
infer a model with global_param and user params
input:
global_param
user_params
infer_program
user_data
output:
[sample_cout, top1]
"""
# run startup program, set params
uid = arg_dict["uid"]
batch_size = trainer_config["batch_size"]
startup_program = fluid.Program.parse_from_string(
trainer_config["startup_program_desc"])
infer_program = fluid.Program.parse_from_string(
trainer_config["infer_program_desc"])
place = fluid.CPUPlace()
exe = fluid.Executor(place)
scope = fluid.global_scope()
if (startup_program is None):
logging.error("startup_program is None")
exit()
if (infer_program is None):
logging.error("infer_program is None")
exit()
exe.run(startup_program)
data_client = DataClient()
data_client.set_data_server_endpoints(arg_dict["data_endpoints"])
# get user param
# logging.debug("do not need to get user params")
set_global_param_dict(arg_dict["global_param_names"],
arg_dict["global_params"], scope)
# reader
date = arg_dict["date"]
global_param_dict = arg_dict["global_params"]
user_data = data_client.get_data_by_uid(uid, date)
infer_reader = reader.infer_reader(user_data)
infer_reader = paddle.batch(infer_reader, batch_size=batch_size)
# run infer program
os.mkdir(arg_dict["infer_result_dir"])
#pred_file = open(arg_dict["infer_result_dir"] + '/' + "pred_file", "w")
feeder = fluid.DataFeeder(feed_list=trainer_config["input_names"],
place=place,
program=infer_program)
fetch_list = trainer_config["target_names"]
#logging.info("fetch_list: {}".format(fetch_list))
fetch_res = []
sample_count = 0
num_layers = trainer_config["num_layers"]
hidden_size = trainer_config["n_hidden"]
tot_correct, tot_loss = 0, 0
tot_samples, tot_batches = 0, 0
init_hidden, init_cell = generate_init_data(batch_size, num_layers,
hidden_size)
for data in infer_reader():
feed_data, input_lengths = prepare_input(batch_size, data, init_hidden,
init_cell)
fetch_res = exe.run(infer_program,
feed=feeder.feed(feed_data),
fetch_list=fetch_list)
loss, last_hidden, last_cell, correct = fetch_res
cost_eval = np.array(loss)
init_hidden = np.array(last_hidden)
init_cell = np.array(last_cell)
correct_val = np.array(correct)
tot_loss += cost_eval
tot_correct += correct_val
tot_samples += np.sum(input_lengths)
tot_batches += 1
loss = tot_loss / tot_batches
acc = float(tot_correct) / tot_samples
logging.info("infer acc: {}".format(acc))
with open(arg_dict["infer_result_dir"] + "/res", "w") as f:
f.write("%d\t%f\n" % (1, acc))
def check_network_convergence(self, is_sparse, build_strategy=None):
main = fluid.Program()
startup = fluid.Program()
with fluid.program_guard(main, startup):
word = fluid.layers.data(name='word_data',
shape=[1],
dtype='int64',
lod_level=1)
predicate = fluid.layers.data(name='verb_data',
shape=[1],
dtype='int64',
lod_level=1)
ctx_n2 = fluid.layers.data(name='ctx_n2_data',
shape=[1],
dtype='int64',
lod_level=1)
ctx_n1 = fluid.layers.data(name='ctx_n1_data',
shape=[1],
dtype='int64',
lod_level=1)
ctx_0 = fluid.layers.data(name='ctx_0_data',
shape=[1],
dtype='int64',
lod_level=1)
ctx_p1 = fluid.layers.data(name='ctx_p1_data',
shape=[1],
dtype='int64',
lod_level=1)
ctx_p2 = fluid.layers.data(name='ctx_p2_data',
shape=[1],
dtype='int64',
lod_level=1)
mark = fluid.layers.data(name='mark_data',
shape=[1],
dtype='int64',
lod_level=1)
feature_out = db_lstm(**locals())
target = fluid.layers.data(name='target',
shape=[1],
dtype='int64',
lod_level=1)
crf_cost = fluid.layers.linear_chain_crf(
input=feature_out,
label=target,
param_attr=fluid.ParamAttr(name='crfw', learning_rate=1e-1))
avg_cost = fluid.layers.mean(crf_cost)
sgd_optimizer = fluid.optimizer.SGD(
learning_rate=fluid.layers.exponential_decay(
learning_rate=0.01,
decay_steps=100000,
decay_rate=0.5,
staircase=True))
sgd_optimizer.minimize(avg_cost)
train_data = paddle.batch(paddle.reader.shuffle(
paddle.dataset.conll05.test(), buf_size=8192),
batch_size=16)
place = fluid.CUDAPlace(0)
exe = fluid.Executor(place)
exe.run(startup)
pe = fluid.ParallelExecutor(use_cuda=True,
loss_name=avg_cost.name,
build_strategy=build_strategy)
feeder = fluid.DataFeeder(feed_list=[
word, ctx_n2, ctx_n1, ctx_0, ctx_p1, ctx_p2, predicate, mark,
target
],
place=fluid.CPUPlace())
data = train_data()
for i in xrange(10):
cur_batch = next(data)
print map(
np.array,
pe.run(feed=feeder.feed(cur_batch),
fetch_list=[avg_cost.name]))[0]
# create loss
learning_rate = fluid.layers.piecewise_decay(BOUNDARIES, LR_STEPS) # case1, Tensor
optimizer = fluid.optimizer.Adam(learning_rate=learning_rate,
regularization=fluid.regularizer.L2Decay(
regularization_coeff=REGULARIZATION_COEFF))
optimizer.minimize(loss)
# feed data
train_reader = reader(DATA_CSV, is_none_pre=NONE_PRE, train_rate=TRAIN_DATA_RATE)
val_reader = reader(DATA_CSV, is_none_pre=NONE_PRE, is_val=True, train_rate=TRAIN_DATA_RATE)
train_reader = fluid.io.batch(fluid.io.shuffle(train_reader, buf_size=1024), batch_size=BATCH_SIZE)
val_reader = fluid.io.batch(val_reader, batch_size=BATCH_SIZE)
feed_list = ["ori_input_ids", "ori_position_ids", "ori_segment_ids", "ori_input_mask", "input_ids", "position_ids",
"segment_ids", "input_mask", "scores"]
train_feeder = fluid.DataFeeder(feed_list=feed_list,
place=place,
program=train_program)
val_feeder = fluid.DataFeeder(feed_list=feed_list,
place=place,
program=train_program)
# define train
def controller_process(program, data_reader, feeder):
global FIRST_FLAG, DATA_NUM
infos = {"loss": [], "out": [], "label": []}
for i, data in enumerate(data_reader()):
info = controller.run(program=program,
feed=feeder.feed(data),
fetch_list=[loss, net, scores_label])
try:
def main(dict_path):
word_dict = load_vocab(dict_path)
word_dict["<unk>"] = len(word_dict)
dict_dim = len(word_dict)
print("The dictionary size is : %d" % dict_dim)
data, label, prediction, avg_cost = conv_net(dict_dim)
sgd_optimizer = fluid.optimizer.SGD(learning_rate=conf.learning_rate)
optimize_ops, params_grads = sgd_optimizer.minimize(avg_cost)
batch_size_var = fluid.layers.create_tensor(dtype='int64')
batch_acc_var = fluid.layers.accuracy(input=prediction,
label=label,
total=batch_size_var)
inference_program = fluid.default_main_program().clone()
with fluid.program_guard(inference_program):
inference_program = fluid.io.get_inference_program(
target_vars=[batch_acc_var, batch_size_var])
# The training data set.
train_reader = paddle.batch(paddle.reader.shuffle(
paddle.dataset.imdb.train(word_dict), buf_size=51200),
batch_size=conf.batch_size)
# The testing data set.
test_reader = paddle.batch(paddle.reader.shuffle(
paddle.dataset.imdb.test(word_dict), buf_size=51200),
batch_size=conf.batch_size)
if conf.use_gpu:
place = fluid.CUDAPlace(0)
else:
place = fluid.CPUPlace()
exe = fluid.Executor(place)
feeder = fluid.DataFeeder(feed_list=[data, label], place=place)
# exe.run(fluid.default_startup_program())
train_pass_acc_evaluator = fluid.average.WeightedAverage()
test_pass_acc_evaluator = fluid.average.WeightedAverage()
def test(exe):
test_pass_acc_evaluator.reset()
for batch_id, data in enumerate(test_reader()):
input_seq = to_lodtensor(map(lambda x: x[0], data), place)
y_data = np.array(map(lambda x: x[1], data)).astype("int64")
y_data = y_data.reshape([-1, 1])
b_acc, b_size = exe.run(inference_program,
feed={
"words": input_seq,
"label": y_data
},
fetch_list=[batch_acc_var, batch_size_var])
test_pass_acc_evaluator.add(value=b_acc, weight=b_size)
test_acc = test_pass_acc_evaluator.eval()
return test_acc
def train_loop(exe, train_program, trainer_id):
total_time = 0.
for pass_id in xrange(conf.num_passes):
train_pass_acc_evaluator.reset()
start_time = time.time()
total_samples = 0
#with profiler.profiler("CPU", 'total', profile_path='./profile_res_%d' % trainer_id) as prof:
for batch_id, data in enumerate(train_reader()):
batch_start = time.time()
cost_val, acc_val, size_val = exe.run(
train_program,
feed=feeder.feed(data),
fetch_list=[avg_cost, batch_acc_var, batch_size_var])
train_pass_acc_evaluator.add(value=acc_val, weight=size_val)
total_samples += float(size_val)
if batch_id and batch_id % conf.log_period == 0:
print(
"Pass id: %d, batch id: %d, cost: %f, pass_acc: %f, speed: %f, time: %f"
% (pass_id, batch_id, cost_val,
train_pass_acc_evaluator.eval(), float(size_val) /
(time.time() - batch_start),
time.time() - batch_start))
end_time = time.time()
total_time += (end_time - start_time)
pass_test_acc = test(exe)
print("Pass id: %d, test_acc: %f, speed: %f" %
(pass_id, pass_test_acc, total_samples /
(end_time - start_time)))
print("Total train time: %f" % (total_time))
if args.local:
print("run as local mode")
exe.run(fluid.default_startup_program())
train_loop(exe, fluid.default_main_program(), 0)
else:
pserver_ips = os.getenv(
"PADDLE_INIT_PSERVERS") # all pserver endpoints
eplist = []
port = os.getenv("PADDLE_INIT_PORT")
for ip in pserver_ips.split(","):
eplist.append(':'.join([ip, port]))
pserver_endpoints = ",".join(eplist)
print("pserver endpoints: ", pserver_endpoints)
trainers = int(os.getenv("TRAINERS")) # total trainer count
print("trainers total: ", trainers)
trainer_id = int(os.getenv("PADDLE_INIT_TRAINER_ID", "0"))
current_endpoint = os.getenv(
"POD_IP") + ":" + port # current pserver endpoint
training_role = os.getenv(
"TRAINING_ROLE",
"TRAINER") # get the training role: trainer/pserver
t = fluid.DistributeTranspiler()
t.transpile(optimize_ops,
params_grads,
trainer_id,
pservers=pserver_endpoints,
trainers=trainers)
if training_role == "PSERVER":
if not current_endpoint:
print("need env SERVER_ENDPOINT")
exit(1)
pserver_prog = t.get_pserver_program(current_endpoint)
with open("/tmp/pserver_prog", "w") as f:
f.write(pserver_prog.__str__())
print("######## pserver prog in /tmp/pserver_prog #############")
pserver_startup = t.get_startup_program(current_endpoint,
pserver_prog)
print("starting server side startup")
exe.run(pserver_startup)
print("starting parameter server...")
exe.run(pserver_prog)
elif training_role == "TRAINER":
trainer_prog = t.get_trainer_program()
with open("/tmp/trainer_prog", "w") as f:
f.write(trainer_prog.__str__())
print("######## trainer prog in /tmp/trainer_prog #############")
# TODO(typhoonzero): change trainer startup program to fetch parameters from pserver
exe.run(fluid.default_startup_program())
train_loop(exe, trainer_prog, trainer_id)
else:
print("environment var TRAINER_ROLE should be TRAINER os PSERVER")
crf_cost = fluid.layers.linear_chain_crf(
input=score, label=tags, param_attr=fluid.ParamAttr(name="crfw")
)
avg_cost = fluid.layers.mean(crf_cost)
crf_decode = fluid.layers.crf_decoding(
input=score, param_attr=fluid.ParamAttr(name="crfw")
)
sgd_optimizer = fluid.optimizer.AdamOptimizer(learning_rate=0.01)
sgd_optimizer.minimize(avg_cost)
feeder = fluid.DataFeeder(place=place, feed_list=[words, tags])
exe = fluid.Executor(place)
exe.run(fluid.default_startup_program())
save_dirname = "test.inference.model"
main_program = fluid.default_main_program()
PASS_NUM = 20
for pass_id in range(PASS_NUM):
print(">>> pass_id: {}".format(pass_id))
for data in train_reader():
feed = feeder.feed(data)
avg_loss_value, = exe.run(
main_program, feed=feed, fetch_list=[avg_cost], return_numpy=True
def eval(args):
# parameters from arguments
class_dim = args.class_dim
model_name = args.model
pretrained_model = args.pretrained_model
image_shape = [int(m) for m in args.image_shape.split(",")]
assert model_name in model_list, "{} is not in lists: {}".format(
args.model, model_list)
image = fluid.layers.data(name='image', shape=image_shape, dtype='float32')
# model definition
model = models.__dict__[model_name]()
if model_name is "GoogleNet":
out, _, _ = model.net(input=image, class_dim=class_dim)
else:
out = model.net(input=image, class_dim=class_dim)
test_program = fluid.default_main_program().clone(for_test=True)
fetch_list = [out.name]
place = fluid.CUDAPlace(0) if args.use_gpu else fluid.CPUPlace()
exe = fluid.Executor(place)
exe.run(fluid.default_startup_program())
if pretrained_model:
def if_exist(var):
return os.path.exists(os.path.join(pretrained_model, var.name))
fluid.io.load_vars(exe, pretrained_model, predicate=if_exist)
test_batch_size = args.batch_size
img_size = image_shape[1]
test_reader = paddle.batch(reader.test(args, img_size),
batch_size=test_batch_size)
feeder = fluid.DataFeeder(place=place, feed_list=[image])
targets = []
with open(args.img_list, 'r') as f:
for line in f.readlines():
targets.append(line.strip().split()[-1])
targets = np.array(targets, dtype=np.int)
preds = []
TOPK = 5
for batch_id, data in enumerate(test_reader()):
all_result = exe.run(test_program,
fetch_list=fetch_list,
feed=feeder.feed(data))
pred_label = np.argsort(-all_result[0], 1)[:, :5]
print("Test-{0}".format(batch_id))
preds.append(pred_label)
preds = np.vstack(preds)
top1, top5 = accuracy(targets, preds)
print("top1:{:.4f} top5:{:.4f}".format(top1, top5))
def main(args):
task_name = args.task_name.lower()
processor = reader.MatchProcessor(data_dir=args.data_dir,
task_name=task_name,
vocab_path=args.vocab_path,
max_seq_len=args.max_seq_len,
do_lower_case=args.do_lower_case)
args.voc_size = len(open(args.vocab_path, 'r').readlines())
num_labels = len(processor.get_labels())
train_data_generator = processor.data_generator(batch_size=args.batch_size,
phase='train',
epoch=args.epoch,
shuffle=True)
num_train_examples = processor.get_num_examples(phase='train')
dev_data_generator = processor.data_generator(batch_size=args.batch_size,
phase='dev',
epoch=1,
shuffle=False)
num_dev_examples = processor.get_num_examples(phase='dev')
if args.use_cuda:
place = fluid.CUDAPlace(0)
dev_count = fluid.core.get_cuda_device_count()
else:
place = fluid.CPUPlace()
dev_count = int(os.environ.get('CPU_NUM', multiprocessing.cpu_count()))
max_train_steps = args.epoch * num_train_examples // args.batch_size
warmup_steps = int(max_train_steps * args.warmup_proportion)
train_program = fluid.Program()
train_startup = fluid.Program()
with fluid.program_guard(train_program, train_startup):
with fluid.unique_name.guard():
feed_order, loss, predict, accuracy, num_seqs, labels, softmax, prob, indexs1,logits = \
create_model(args, num_labels, \
is_prediction=False)
lr_decay = fluid.layers.learning_rate_scheduler.noam_decay(
256, warmup_steps)
with fluid.default_main_program()._lr_schedule_guard():
learning_rate = lr_decay * args.learning_rate
optimizer = fluid.optimizer.Adam(learning_rate=learning_rate)
optimizer.minimize(loss)
test_program = fluid.Program()
test_startup = fluid.Program()
with fluid.program_guard(test_program, test_startup):
with fluid.unique_name.guard():
feed_order, loss, predict, accuracy, num_seqs, labels, softmax, prob, indexs1,logits = \
create_model(args, num_labels, \
is_prediction=True)
test_program = test_program.clone(for_test=True)
exe = Executor(place)
exe.run(train_startup)
exe.run(test_startup)
exec_strategy = fluid.ExecutionStrategy()
exec_strategy.num_threads = dev_count
train_exe = fluid.ParallelExecutor(use_cuda=args.use_cuda,
loss_name=loss.name,
exec_strategy=exec_strategy,
main_program=train_program)
test_exe = fluid.ParallelExecutor(use_cuda=args.use_cuda,
main_program=test_program,
share_vars_from=train_exe)
feed_list = [
train_program.global_block().var(var_name) for var_name in feed_order
]
feeder = fluid.DataFeeder(feed_list, place)
time_begin = time.time()
total_cost, total_acc, total_num_seqs = [], [], []
tmp11 = []
tmp22 = []
for batch_id, data in enumerate(train_data_generator()):
fetch_outs = train_exe.run(feed=feeder.feed(data),
fetch_list=[
loss.name, accuracy.name, num_seqs.name,
predict.name, labels.name, softmax.name,
logits.name
])
avg_loss = fetch_outs[0]
avg_acc = fetch_outs[1]
cur_num_seqs = fetch_outs[2]
total_cost.extend(avg_loss * cur_num_seqs)
total_acc.extend(avg_acc * cur_num_seqs)
total_num_seqs.extend(cur_num_seqs)
results1 = fetch_outs[3]
act1 = fetch_outs[4]
for index in range(len(results1)):
if results1[index][0] > results1[index][1]:
tmp11.append(0)
else:
tmp11.append(1)
tmp22.append(act1[index])
if batch_id % args.skip_steps == 0:
print(fetch_outs[5][0:3])
#print(fetch_outs[6])
print(fetch_outs[6][0:3])
print(classification_report(tmp22, tmp11))
tmp11 = []
tmp22 = []
time_end = time.time()
used_time = time_end - time_begin
current_example, current_epoch = processor.get_train_progress()
print("epoch: %d, progress: %d/%d, step: %d, ave loss: %f, "
"ave acc: %f, speed: %f steps/s" %
(current_epoch, current_example, num_train_examples,
batch_id, np.sum(total_cost) / np.sum(total_num_seqs),
np.sum(total_acc) / np.sum(total_num_seqs),
args.skip_steps / used_time))
time_begin = time.time()
total_cost, total_acc, total_num_seqs = [], [], []
if batch_id % args.validation_steps == 0:
total_dev_cost, total_dev_acc, total_dev_num_seqs = [], [], []
tmp1 = []
tmp2 = []
for dev_id, dev_data in enumerate(dev_data_generator()):
fetch_outs = test_exe.run(feed=feeder.feed(dev_data),
fetch_list=[
loss.name, accuracy.name,
num_seqs.name, predict.name,
labels.name
])
avg_dev_loss = fetch_outs[0]
avg_dev_acc = fetch_outs[1]
cur_dev_num_seqs = fetch_outs[2]
results = fetch_outs[3]
act = fetch_outs[4]
for index in range(len(results)):
if results[index][0] > results[index][1]:
tmp1.append(0)
else:
tmp1.append(1)
tmp2.append(act[index])
total_dev_cost.extend(avg_dev_loss * cur_dev_num_seqs)
total_dev_acc.extend(avg_dev_acc * cur_dev_num_seqs)
total_dev_num_seqs.extend(cur_dev_num_seqs)
print(classification_report(tmp2, tmp1))
print("valid eval: ave loss: %f, ave acc: %f" %
(np.sum(total_dev_cost) / np.sum(total_dev_num_seqs),
np.sum(total_dev_acc) / np.sum(total_dev_num_seqs)))
total_dev_cost, total_dev_acc, total_dev_num_seqs = [], [], []
# if batch_id % args.save_steps == 0:
model_path = os.path.join(args.checkpoints, str(batch_id))
if not os.path.isdir(model_path):
os.makedirs(model_path)
fluid.io.save_persistables(executor=exe,
dirname=model_path,
main_program=train_program)
# predict
print("=================for predict===================")
infer_data_generator = processor.data_generator(batch_size=args.batch_size,
phase='test',
epoch=1,
shuffle=False)
for batch_id, data in enumerate(infer_data_generator()):
results = test_exe.run(fetch_list=[predict.name],
feed=feeder.feed(data),
return_numpy=True)
for elem in results[0]:
print(elem[1])
print("=================for dev===================")
infer_data_generator2 = processor.data_generator(
batch_size=args.batch_size, phase='dev', epoch=1, shuffle=False)
for batch_id, data in enumerate(infer_data_generator2()):
results = test_exe.run(fetch_list=[predict.name],
feed=feeder.feed(data),
return_numpy=True)
for elem in results[0]:
print(elem[1])
def train():
update_lr(cfg)
learning_rate = cfg.learning_rate
image_shape = [3, cfg.TRAIN.max_size, cfg.TRAIN.max_size]
if cfg.enable_ce:
fluid.default_startup_program().random_seed = 1000
fluid.default_main_program().random_seed = 1000
import random
random.seed(0)
np.random.seed(0)
devices_num = get_device_num()
total_batch_size = devices_num * cfg.TRAIN.im_per_batch
use_random = True
if cfg.enable_ce:
use_random = False
model = model_builder.RCNN(
add_conv_body_func=resnet.add_ResNet50_conv4_body,
add_roi_box_head_func=resnet.add_ResNet_roi_conv5_head,
use_pyreader=cfg.use_pyreader,
use_random=use_random)
model.build_model(image_shape)
losses, keys = model.loss()
loss = losses[0]
fetch_list = losses
boundaries = cfg.lr_steps
gamma = cfg.lr_gamma
step_num = len(cfg.lr_steps)
values = [learning_rate * (gamma**i) for i in range(step_num + 1)]
lr = exponential_with_warmup_decay(
learning_rate=learning_rate,
boundaries=boundaries,
values=values,
warmup_iter=cfg.warm_up_iter,
warmup_factor=cfg.warm_up_factor)
optimizer = fluid.optimizer.Momentum(
learning_rate=lr,
regularization=fluid.regularizer.L2Decay(cfg.weight_decay),
momentum=cfg.momentum)
optimizer.minimize(loss)
fetch_list = fetch_list + [lr]
for var in fetch_list:
var.persistable = True
#fluid.memory_optimize(fluid.default_main_program(), skip_opt_set=set(fetch_list))
gpu_id = int(os.environ.get('FLAGS_selected_gpus', 0))
place = fluid.CUDAPlace(gpu_id) if cfg.use_gpu else fluid.CPUPlace()
exe = fluid.Executor(place)
exe.run(fluid.default_startup_program())
if cfg.pretrained_model:
def if_exist(var):
return os.path.exists(os.path.join(cfg.pretrained_model, var.name))
fluid.io.load_vars(exe, cfg.pretrained_model, predicate=if_exist)
if cfg.parallel:
build_strategy = fluid.BuildStrategy()
build_strategy.memory_optimize = False
build_strategy.enable_inplace = False
if cfg.use_gpu:
dist_utils.prepare_for_multi_process(
exe,
build_strategy,
fluid.default_main_program(),
fluid.default_startup_program())
exec_strategy = fluid.ExecutionStrategy()
exec_strategy.use_experimental_executor = True
exec_strategy.num_iteration_per_drop_scope = 10
train_exe = fluid.ParallelExecutor(use_cuda=bool(cfg.use_gpu),
loss_name=loss.name,
build_strategy=build_strategy,
exec_strategy=exec_strategy)
else:
train_exe = exe
shuffle = True
if cfg.enable_ce:
shuffle = False
if cfg.use_pyreader:
train_reader = reader.train(
batch_size=cfg.TRAIN.im_per_batch,
total_batch_size=total_batch_size,
padding_total=cfg.TRAIN.padding_minibatch,
shuffle=shuffle)
py_reader = model.py_reader
py_reader.decorate_paddle_reader(train_reader)
else:
train_reader = reader.train(
batch_size=total_batch_size, shuffle=shuffle)
feeder = fluid.DataFeeder(place=place, feed_list=model.feeds())
def save_model(postfix):
model_path = os.path.join(cfg.model_save_dir, postfix)
if os.path.isdir(model_path):
shutil.rmtree(model_path)
fluid.io.save_persistables(exe, model_path)
def train_loop_pyreader():
py_reader.start()
train_stats = TrainingStats(cfg.log_window, keys)
try:
start_time = time.time()
prev_start_time = start_time
for iter_id in range(cfg.max_iter):
prev_start_time = start_time
start_time = time.time()
outs = train_exe.run(fetch_list=[v.name for v in fetch_list])
stats = {k: np.array(v).mean() for k, v in zip(keys, outs[:-1])}
train_stats.update(stats)
logs = train_stats.log()
strs = '{}, iter: {}, lr: {:.5f}, {}, time: {:.3f}'.format(
now_time(), iter_id,
np.mean(outs[-1]), logs, start_time - prev_start_time)
print(strs)
sys.stdout.flush()
if (iter_id + 1) % cfg.TRAIN.snapshot_iter == 0:
save_model("model_iter{}".format(iter_id))
end_time = time.time()
total_time = end_time - start_time
last_loss = np.array(outs[0]).mean()
if cfg.enable_ce:
gpu_num = devices_num
epoch_idx = iter_id + 1
loss = last_loss
print("kpis\teach_pass_duration_card%s\t%s" %
(gpu_num, total_time / epoch_idx))
print("kpis\ttrain_loss_card%s\t%s" % (gpu_num, loss))
except (StopIteration, fluid.core.EOFException):
py_reader.reset()
def train_loop():
start_time = time.time()
prev_start_time = start_time
start = start_time
train_stats = TrainingStats(cfg.log_window, keys)
for iter_id, data in enumerate(train_reader()):
prev_start_time = start_time
start_time = time.time()
outs = train_exe.run(fetch_list=[v.name for v in fetch_list],
feed=feeder.feed(data))
stats = {k: np.array(v).mean() for k, v in zip(keys, outs[:-1])}
train_stats.update(stats)
logs = train_stats.log()
strs = '{}, iter: {}, lr: {:.5f}, {}, time: {:.3f}'.format(
now_time(), iter_id,
np.mean(outs[-1]), logs, start_time - prev_start_time)
print(strs)
sys.stdout.flush()
if (iter_id + 1) % cfg.TRAIN.snapshot_iter == 0:
save_model("model_iter{}".format(iter_id))
if (iter_id + 1) == cfg.max_iter:
break
end_time = time.time()
total_time = end_time - start_time
last_loss = np.array(outs[0]).mean()
# only for ce
if cfg.enable_ce:
gpu_num = devices_num
epoch_idx = iter_id + 1
loss = last_loss
print("kpis\teach_pass_duration_card%s\t%s" %
(gpu_num, total_time / epoch_idx))
print("kpis\ttrain_loss_card%s\t%s" % (gpu_num, loss))
return np.mean(every_pass_loss)
if cfg.use_pyreader:
train_loop_pyreader()
else:
train_loop()
save_model('model_final')
trainer_id = int(sys.argv[1]) # trainer id for each guest
job_path = "fl_job_config"
job = FLRunTimeJob()
job.load_trainer_job(job_path, trainer_id)
job._scheduler_ep = "127.0.0.1:9091" # Inform the scheduler IP to trainer
print(job._target_names)
trainer = FLTrainerFactory().create_fl_trainer(job)
trainer._current_ep = "127.0.0.1:{}".format(9000 + trainer_id)
place = fluid.CPUPlace()
trainer.start(place)
print(trainer._step)
test_program = trainer._main_program.clone(for_test=True)
img = fluid.layers.data(name='img', shape=[1, 28, 28], dtype='float32')
label = fluid.layers.data(name='label', shape=[1], dtype='int64')
feeder = fluid.DataFeeder(feed_list=[img, label], place=fluid.CPUPlace())
def train_test(train_test_program, train_test_feed, train_test_reader):
acc_set = []
for test_data in train_test_reader():
acc_np = trainer.exe.run(program=train_test_program,
feed=train_test_feed.feed(test_data),
fetch_list=["accuracy_0.tmp_0"])
acc_set.append(float(acc_np[0]))
acc_val_mean = numpy.array(acc_set).mean()
return acc_val_mean
epoch_id = 0
step = 0
def eval(args):
train_reader = None
test_reader = None
if args.data == "mnist":
import paddle.dataset.mnist as reader
train_reader = reader.train()
val_reader = reader.test()
class_dim = 10
image_shape = "1,28,28"
elif args.data == "imagenet":
import imagenet_reader as reader
train_reader = reader.train()
val_reader = reader.val()
class_dim = 1000
image_shape = "3,224,224"
else:
raise ValueError("{} is not supported.".format(args.data))
image_shape = [int(m) for m in image_shape.split(",")]
assert args.model in model_list, "{} is not in lists: {}".format(
args.model, model_list)
image = fluid.layers.data(name='image', shape=image_shape, dtype='float32')
label = fluid.layers.data(name='label', shape=[1], dtype='int64')
# model definition
model = models.__dict__[args.model]()
out = model.net(input=image, class_dim=class_dim)
acc_top1 = fluid.layers.accuracy(input=out, label=label, k=1)
acc_top5 = fluid.layers.accuracy(input=out, label=label, k=5)
val_program = fluid.default_main_program().clone(for_test=True)
place = fluid.CUDAPlace(0) if args.use_gpu else fluid.CPUPlace()
exe = fluid.Executor(place)
exe.run(fluid.default_startup_program())
val_reader = paddle.fluid.io.batch(val_reader, batch_size=args.batch_size)
val_feeder = feeder = fluid.DataFeeder(
[image, label], place, program=val_program)
load_model(exe, val_program, args.model_path)
batch_id = 0
acc_top1_ns = []
acc_top5_ns = []
for data in val_reader():
start_time = time.time()
acc_top1_n, acc_top5_n = exe.run(
val_program,
feed=val_feeder.feed(data),
fetch_list=[acc_top1.name, acc_top5.name])
end_time = time.time()
if batch_id % args.log_period == 0:
_logger.info(
"Eval batch[{}] - acc_top1: {}; acc_top5: {}; time: {}".format(
batch_id,
np.mean(acc_top1_n),
np.mean(acc_top5_n), end_time - start_time))
acc_top1_ns.append(np.mean(acc_top1_n))
acc_top5_ns.append(np.mean(acc_top5_n))
batch_id += 1
_logger.info("Final eval - acc_top1: {}; acc_top5: {}".format(
np.mean(np.array(acc_top1_ns)), np.mean(np.array(acc_top5_ns))))
def validation(inference_program, avg_cost, s_probs, e_probs, match,
feed_order, place, dev_count, vocab, brc_data, logger, args):
"""
"""
build_strategy = fluid.BuildStrategy()
build_strategy.enable_inplace = False
build_strategy.memory_optimize = False
parallel_executor = fluid.ParallelExecutor(main_program=inference_program,
use_cuda=bool(args.use_gpu),
loss_name=avg_cost.name,
build_strategy=build_strategy)
print_para(inference_program, parallel_executor, logger, args)
# Use test set as validation each pass
total_loss = 0.0
count = 0
n_batch_cnt = 0
n_batch_loss = 0.0
pred_answers, ref_answers = [], []
val_feed_list = [
inference_program.global_block().var(var_name)
for var_name in feed_order
]
val_feeder = fluid.DataFeeder(val_feed_list, place)
pad_id = vocab.get_id(vocab.pad_token)
dev_reader = lambda: brc_data.gen_mini_batches(
'dev', args.batch_size, pad_id, shuffle=False)
dev_reader = read_multiple(dev_reader, dev_count)
for batch_id, batch_list in enumerate(dev_reader(), 1):
feed_data = batch_reader(batch_list, args)
val_fetch_outs = parallel_executor.run(
feed=list(val_feeder.feed_parallel(feed_data, dev_count)),
fetch_list=[avg_cost.name, s_probs.name, e_probs.name, match.name],
return_numpy=False)
total_loss += np.array(val_fetch_outs[0]).sum()
start_probs_m = LodTensor_Array(val_fetch_outs[1])
end_probs_m = LodTensor_Array(val_fetch_outs[2])
match_lod = val_fetch_outs[3].lod()
count += len(np.array(val_fetch_outs[0]))
n_batch_cnt += len(np.array(val_fetch_outs[0]))
n_batch_loss += np.array(val_fetch_outs[0]).sum()
log_every_n_batch = args.log_interval
if log_every_n_batch > 0 and batch_id % log_every_n_batch == 0:
logger.info('Average dev loss from batch {} to {} is {}'.format(
batch_id - log_every_n_batch + 1, batch_id,
"%.10f" % (n_batch_loss / n_batch_cnt)))
n_batch_loss = 0.0
n_batch_cnt = 0
batch_offset = 0
for idx, batch in enumerate(batch_list):
#one batch
batch_size = len(batch['raw_data'])
batch_range = match_lod[0][batch_offset:batch_offset + batch_size +
1]
batch_lod = [[batch_range[x], batch_range[x + 1]]
for x in range(len(batch_range[:-1]))]
start_prob_batch = start_probs_m[batch_offset:batch_offset +
batch_size + 1]
end_prob_batch = end_probs_m[batch_offset:batch_offset +
batch_size + 1]
for sample, start_prob_inst, end_prob_inst, inst_range in zip(
batch['raw_data'], start_prob_batch, end_prob_batch,
batch_lod):
#one instance
inst_lod = match_lod[1][inst_range[0]:inst_range[1] + 1]
best_answer, best_span = find_best_answer_for_inst(
sample, start_prob_inst, end_prob_inst, inst_lod)
pred = {
'question_id': sample['question_id'],
'question_type': sample['question_type'],
'answers': [best_answer],
'entity_answers': [[]],
'yesno_answers': [best_span]
}
pred_answers.append(pred)
if 'answers' in sample:
ref = {
'question_id': sample['question_id'],
'question_type': sample['question_type'],
'answers': sample['answers'],
'entity_answers': [[]],
'yesno_answers': []
}
ref_answers.append(ref)
batch_offset = batch_offset + batch_size
result_dir = args.result_dir
result_prefix = args.result_name
if result_dir is not None and result_prefix is not None:
if not os.path.exists(args.result_dir):
os.makedirs(args.result_dir)
result_file = os.path.join(result_dir, result_prefix + 'json')
with open(result_file, 'w') as fout:
for pred_answer in pred_answers:
fout.write(json.dumps(pred_answer, ensure_ascii=False) + '\n')
logger.info('Saving {} results to {}'.format(result_prefix,
result_file))
ave_loss = 1.0 * total_loss / count
# compute the bleu and rouge scores if reference answers is provided
if len(ref_answers) > 0:
pred_dict, ref_dict = {}, {}
for pred, ref in zip(pred_answers, ref_answers):
question_id = ref['question_id']
if len(ref['answers']) > 0:
pred_dict[question_id] = normalize(pred['answers'])
ref_dict[question_id] = normalize(ref['answers'])
bleu_rouge = compute_bleu_rouge(pred_dict, ref_dict)
else:
bleu_rouge = None
return ave_loss, bleu_rouge
def predict_infer(conf_dict, data_reader, predict_data_path,
predict_result_path, model_path):
"""
Predict with trained models
"""
if len(predict_result_path) > 0:
result_writer = open(predict_result_path, 'w')
else:
result_writer = sys.stdout
np.set_printoptions(precision=3)
if len(model_path) == 0:
return
place = fluid.CPUPlace()
word = fluid.layers.data(name='word_data',
shape=[1],
dtype='int64',
lod_level=1)
postag = fluid.layers.data(name='token_pos',
shape=[1],
dtype='int64',
lod_level=1)
p_word = fluid.layers.data(name='p_word',
shape=[1],
dtype='int64',
lod_level=1)
feeder = fluid.DataFeeder(feed_list=[word, postag, p_word], place=place)
exe = fluid.Executor(place)
test_batch_reader = paddle.batch(paddle.reader.buffered(
data_reader.get_predict_reader(predict_data_path,
need_input=True,
need_label=False),
size=8192),
batch_size=conf_dict['batch_size'])
inference_scope = fluid.core.Scope()
text_spo_dic = {} # final triples
with fluid.scope_guard(inference_scope):
[inference_program, feed_target_names, fetch_targets] = \
fluid.io.load_inference_model(
model_path, exe, params_filename='params')
# batch
batch_id = 0
for data in test_batch_reader():
feeder_data = []
input_data = []
for item in data:
feeder_data.append(item[1:])
input_data.append(item[0])
results = exe.run(inference_program,
feed=feeder.feed(feeder_data),
fetch_list=fetch_targets,
return_numpy=False)
tag_split_idx = results[0].lod()[0]
label_tag_scores = np.array(results[0])
# sentence
#print('batch_id=', batch_id)
for sent_idx, tag_idx in enumerate(tag_split_idx[:-1]):
input_sent = input_data[sent_idx].split('\t')[0]
input_p = input_data[sent_idx].split('\t')[1]
tag_scores = label_tag_scores[tag_idx:tag_split_idx[sent_idx +
1]]
# token
tag_list = []
for token_idx, token_tags in enumerate(tag_scores):
tag = data_reader.get_label_output(token_tags)
tag_list.append(tag)
predicted_s_list, predicted_o_list = refine_predict_seq(
input_sent, tag_list)
tag_list_str = json.dumps(tag_list, ensure_ascii=False)
if len(predicted_s_list) == 0 or len(predicted_o_list) == 0:
continue
else:
text = json.loads(input_sent)["text"]
predicted_s_list = list(set(predicted_s_list))
predicted_o_list = list(set(predicted_o_list))
for predicted_s in predicted_s_list:
for predicted_o in predicted_o_list:
if text not in text_spo_dic:
text_spo_dic[text] = set()
text_spo_dic[text].add(
(predicted_s, input_p, predicted_o))
batch_id += 1
output(text_spo_dic, result_writer)
regularization=l2)
opts = optimizer.minimize(avg_cost)
# 获取CIFAR数据
train_reader = paddle.batch(cifar.train10(), batch_size=32)
test_reader = paddle.batch(cifar.test10(), batch_size=32)
# 定义一个使用GPU的执行器
place = fluid.CUDAPlace(0)
# place = fluid.CPUPlace()
exe = fluid.Executor(place)
# 进行参数初始化
exe.run(fluid.default_startup_program())
# 定义输入数据维度
feeder = fluid.DataFeeder(place=place, feed_list=[image, label])
# 定义日志的开始位置和获取参数名称
train_step = 0
test_step = 0
params_name = fluid.default_startup_program().global_block().all_parameters(
)[0].name
# 训练10次
for pass_id in range(10):
# 进行训练
for batch_id, data in enumerate(train_reader()):
train_cost, train_acc, params = exe.run(
program=fluid.default_main_program(),
feed=feeder.feed(data),
fetch_list=[avg_cost, acc, params_name])
def compress(args):
train_reader = None
test_reader = None
if args.data == "mnist":
import paddle.dataset.mnist as reader
train_reader = reader.train()
val_reader = reader.test()
class_dim = 10
image_shape = "1,28,28"
elif args.data == "imagenet":
import imagenet_reader as reader
train_reader = reader.train()
val_reader = reader.val()
class_dim = 1000
image_shape = "3,224,224"
else:
raise ValueError("{} is not supported.".format(args.data))
image_shape = [int(m) for m in image_shape.split(",")]
assert args.model in model_list, "{} is not in lists: {}".format(
args.model, model_list)
image = fluid.layers.data(name='image', shape=image_shape, dtype='float32')
label = fluid.layers.data(name='label', shape=[1], dtype='int64')
# model definition
model = models.__dict__[args.model]()
out = model.net(input=image, class_dim=class_dim)
cost = fluid.layers.cross_entropy(input=out, label=label)
avg_cost = fluid.layers.mean(x=cost)
acc_top1 = fluid.layers.accuracy(input=out, label=label, k=1)
acc_top5 = fluid.layers.accuracy(input=out, label=label, k=5)
val_program = fluid.default_main_program().clone(for_test=True)
opt = create_optimizer(args)
opt.minimize(avg_cost)
place = fluid.CUDAPlace(0) if args.use_gpu else fluid.CPUPlace()
exe = fluid.Executor(place)
exe.run(fluid.default_startup_program())
if args.pretrained_model:
def if_exist(var):
return os.path.exists(os.path.join(args.pretrained_model,
var.name))
fluid.io.load_vars(exe, args.pretrained_model, predicate=if_exist)
val_reader = paddle.batch(val_reader, batch_size=args.batch_size)
train_reader = paddle.batch(train_reader,
batch_size=args.batch_size,
drop_last=True)
train_feeder = feeder = fluid.DataFeeder([image, label], place)
val_feeder = feeder = fluid.DataFeeder([image, label],
place,
program=val_program)
def test(epoch, program):
batch_id = 0
acc_top1_ns = []
acc_top5_ns = []
for data in val_reader():
start_time = time.time()
acc_top1_n, acc_top5_n = exe.run(
program,
feed=train_feeder.feed(data),
fetch_list=[acc_top1.name, acc_top5.name])
end_time = time.time()
if batch_id % args.log_period == 0:
_logger.info(
"Eval epoch[{}] batch[{}] - acc_top1: {:.3f}; acc_top5: {:.3f}; time: {:.3f}"
.format(epoch, batch_id, np.mean(acc_top1_n),
np.mean(acc_top5_n), end_time - start_time))
acc_top1_ns.append(np.mean(acc_top1_n))
acc_top5_ns.append(np.mean(acc_top5_n))
batch_id += 1
_logger.info(
"Final eval epoch[{}] - acc_top1: {:.3f}; acc_top5: {:.3f}".format(
epoch, np.mean(np.array(acc_top1_ns)),
np.mean(np.array(acc_top5_ns))))
return np.mean(np.array(acc_top1_ns))
def train(epoch, program):
build_strategy = fluid.BuildStrategy()
exec_strategy = fluid.ExecutionStrategy()
train_program = fluid.compiler.CompiledProgram(
program).with_data_parallel(loss_name=avg_cost.name,
build_strategy=build_strategy,
exec_strategy=exec_strategy)
batch_id = 0
for data in train_reader():
start_time = time.time()
loss_n, acc_top1_n, acc_top5_n = exe.run(
train_program,
feed=train_feeder.feed(data),
fetch_list=[avg_cost.name, acc_top1.name, acc_top5.name])
end_time = time.time()
loss_n = np.mean(loss_n)
acc_top1_n = np.mean(acc_top1_n)
acc_top5_n = np.mean(acc_top5_n)
if batch_id % args.log_period == 0:
_logger.info(
"epoch[{}]-batch[{}] - loss: {:.3f}; acc_top1: {:.3f}; acc_top5: {:.3f}; time: {:.3f}"
.format(epoch, batch_id, loss_n, acc_top1_n, acc_top5_n,
end_time - start_time))
batch_id += 1
params = []
for param in fluid.default_main_program().global_block().all_parameters():
if "_sep_weights" in param.name:
params.append(param.name)
def eval_func(program):
return test(0, program)
if args.data == "mnist":
train(0, fluid.default_main_program())
pruner = SensitivePruner(place, eval_func, checkpoints=args.checkpoints)
pruned_program, pruned_val_program, iter = pruner.restore()
if pruned_program is None:
pruned_program = fluid.default_main_program()
if pruned_val_program is None:
pruned_val_program = val_program
start = iter
end = 6
for iter in range(start, end):
pruned_program, pruned_val_program = pruner.prune(
pruned_program, pruned_val_program, params, 0.1)
train(iter, pruned_program)
test(iter, pruned_val_program)
pruner.save_checkpoint(pruned_program, pruned_val_program)
print("before flops: {}".format(flops(fluid.default_main_program())))
print("after flops: {}".format(flops(pruned_val_program)))
def train_parallel_exe(args,
learning_rate,
batch_size,
num_passes,
init_model=None,
pretrained_model=None,
model_save_dir='model',
parallel=True,
use_nccl=True,
lr_strategy=None,
layers=50):
class_dim = 1000
image_shape = [3, 224, 224]
image = fluid.layers.data(name='image', shape=image_shape, dtype='float32')
label = fluid.layers.data(name='label', shape=[1], dtype='int64')
if args.model is 'se_resnext':
out = SE_ResNeXt(input=image, class_dim=class_dim, layers=layers)
else:
out = mobile_net(img=image, class_dim=class_dim)
cost = fluid.layers.cross_entropy(input=out, label=label)
acc_top1 = fluid.layers.accuracy(input=out, label=label, k=1)
acc_top5 = fluid.layers.accuracy(input=out, label=label, k=5)
avg_cost = fluid.layers.mean(x=cost)
test_program = fluid.default_main_program().clone(for_test=True)
if "piecewise_decay" in lr_strategy:
bd = lr_strategy["piecewise_decay"]["bd"]
lr = lr_strategy["piecewise_decay"]["lr"]
optimizer = fluid.optimizer.Momentum(
learning_rate=fluid.layers.piecewise_decay(boundaries=bd,
values=lr),
momentum=0.9,
regularization=fluid.regularizer.L2Decay(1e-4))
elif "cosine_decay" in lr_strategy:
step_each_epoch = lr_strategy["cosine_decay"]["step_each_epoch"]
epochs = lr_strategy["cosine_decay"]["epochs"]
optimizer = fluid.optimizer.Momentum(
learning_rate=cosine_decay(learning_rate=learning_rate,
step_each_epoch=step_each_epoch,
epochs=epochs),
momentum=0.9,
regularization=fluid.regularizer.L2Decay(1e-4))
else:
optimizer = fluid.optimizer.Momentum(
learning_rate=learning_rate,
momentum=0.9,
regularization=fluid.regularizer.L2Decay(1e-4))
opts = optimizer.minimize(avg_cost)
if args.with_mem_opt:
fluid.memory_optimize(fluid.default_main_program())
place = fluid.CUDAPlace(0)
exe = fluid.Executor(place)
fluid.default_startup_program.random_seed = 1000
exe.run(fluid.default_startup_program())
if init_model is not None:
fluid.io.load_persistables(exe, init_model)
if pretrained_model:
def if_exist(var):
return os.path.exists(os.path.join(pretrained_model, var.name))
fluid.io.load_vars(exe, pretrained_model, predicate=if_exist)
train_reader = paddle.batch(flowers.train(), batch_size=batch_size)
test_reader = paddle.batch(flowers.test(), batch_size=batch_size)
feeder = fluid.DataFeeder(place=place, feed_list=[image, label])
train_exe = fluid.ParallelExecutor(use_cuda=True, loss_name=avg_cost.name)
test_exe = fluid.ParallelExecutor(use_cuda=True,
main_program=test_program,
share_vars_from=train_exe)
fetch_list = [avg_cost.name, acc_top1.name, acc_top5.name]
train_speed = []
for pass_id in range(num_passes):
train_info = [[], [], []]
test_info = [[], [], []]
pass_time = 0
pass_num = 0
pass_speed = 0.0
for batch_id, data in enumerate(train_reader()):
t1 = time.time()
loss, acc1, acc5 = train_exe.run(fetch_list,
feed=feeder.feed(data))
t2 = time.time()
period = t2 - t1
pass_time += period
pass_num += len(data)
loss = np.mean(np.array(loss))
acc1 = np.mean(np.array(acc1))
acc5 = np.mean(np.array(acc5))
train_info[0].append(loss)
train_info[1].append(acc1)
train_info[2].append(acc5)
if batch_id % 10 == 0:
print("Pass {0}, trainbatch {1}, loss {2}, \
acc1 {3}, acc5 {4} time {5}"
.format(pass_id, \
batch_id, loss, acc1, acc5, \
"%2.2f sec" % period))
sys.stdout.flush()
train_loss = np.array(train_info[0]).mean()
train_acc1 = np.array(train_info[1]).mean()
train_acc5 = np.array(train_info[2]).mean()
pass_speed = pass_num / pass_time
train_speed.append(pass_speed)
if pass_id == num_passes - 1:
train_acc_top1_kpi.add_record(train_acc1)
train_acc_top5_kpi.add_record(train_acc5)
train_cost_kpi.add_record(train_loss)
mean_pass_speed = np.array(pass_speed).mean()
train_speed_kpi.add_record(mean_pass_speed)
for data in test_reader():
t1 = time.time()
loss, acc1, acc5 = test_exe.run(fetch_list, feed=feeder.feed(data))
t2 = time.time()
period = t2 - t1
loss = np.mean(np.array(loss))
acc1 = np.mean(np.array(acc1))
acc5 = np.mean(np.array(acc5))
test_info[0].append(loss)
test_info[1].append(acc1)
test_info[2].append(acc5)
if batch_id % 10 == 0:
print("Pass {0},testbatch {1},loss {2}, \
acc1 {3},acc5 {4},time {5}"
.format(pass_id, \
batch_id, loss, acc1, acc5, \
"%2.2f sec" % period))
sys.stdout.flush()
test_loss = np.array(test_info[0]).mean()
test_acc1 = np.array(test_info[1]).mean()
test_acc5 = np.array(test_info[2]).mean()
print("End pass {0}, train_loss {1}, train_acc1 {2}, train_acc5 {3}, \
test_loss {4}, test_acc1 {5}, test_acc5 {6}, pass_time {7}, train_speed {8}"
.format(pass_id, \
train_loss, train_acc1, train_acc5, test_loss, test_acc1, \
test_acc5, pass_time, pass_num / pass_time))
sys.stdout.flush()
train_acc_top1_kpi.persist()
train_acc_top5_kpi.persist()
train_cost_kpi.persist()
train_speed_kpi.persist()
def test_converter():
img = fluid.layers.data(name='image', shape=[1, 28, 28])
label = fluid.layers.data(name='label', shape=[1], dtype='int64')
feeder = fluid.DataFeeder([img, label], fluid.CPUPlace())
result = feeder.feed([[[0] * 784, [9]], [[1] * 784, [1]]])
print(result)
fluid.backward.append_backward(loss=avg_cost_clip,
callbacks=[fluid.clip.error_clip_callback])
hidden1_grad = prog.block(0).var(hidden1.name + "@GRAD")
hidden1_grad_clip = prog_clip.block(0).var(hidden1.name + "@GRAD")
hidden2_grad = prog.block(0).var(hidden2.name + "@GRAD")
hidden2_grad_clip = prog_clip.block(0).var(hidden2.name + "@GRAD")
train_reader = paddle.batch(paddle.reader.shuffle(paddle.dataset.mnist.train(),
buf_size=8192),
batch_size=BATCH_SIZE)
place = fluid.CPUPlace()
exe = fluid.Executor(place)
feeder = fluid.DataFeeder(feed_list=[image, label], place=place)
exe.run(fluid.default_startup_program())
count = 0
for data in train_reader():
count += 1
if count > 5:
break
out1, out2 = exe.run(prog,
feed=feeder.feed(data),
fetch_list=[hidden1_grad, hidden2_grad])
out1_clip, out2_clip = exe.run(
prog_clip,
feed=feeder.feed(data),
fetch_list=[hidden1_grad_clip, hidden2_grad_clip])
if not ((out1.clip(min=CLIP_MIN, max=CLIP_MAX) == out1_clip).all() and
def train(avg_loss, infer_prog, optimizer, train_reader, test_reader,
batch_acc, args, train_prog, startup_prog):
if os.getenv("TRAINING_ROLE") == "PSERVER":
place = core.CPUPlace()
exe = fluid.Executor(place)
exe.run(startup_prog)
exe.run(train_prog)
return
if args.use_fake_data:
raise Exception(
"fake data is not supported in single GPU test for now.")
place = core.CPUPlace() if args.device == 'CPU' else core.CUDAPlace(0)
exe = fluid.Executor(place)
exe.run(startup_prog)
# Use inference_transpiler to speedup
if not args.use_reader_op:
feed_var_list = [
var for var in train_prog.global_block().vars.itervalues()
if var.is_data
]
feeder = fluid.DataFeeder(feed_var_list, place)
iters, num_samples, start_time = 0, 0, time.time()
for pass_id in range(args.pass_num):
train_losses = []
if not args.use_reader_op:
reader_generator = train_reader()
batch_id = 0
data = None
while True:
if not args.use_reader_op:
data = next(reader_generator, None)
if data == None:
break
if iters == args.iterations:
break
if iters == args.skip_batch_num:
start_time = time.time()
num_samples = 0
if args.use_reader_op:
try:
loss = exe.run(train_prog, fetch_list=[avg_loss])
except fluid.core.EnforceNotMet as ex:
break
else:
loss = exe.run(train_prog,
feed=feeder.feed(data),
fetch_list=[avg_loss])
iters += 1
batch_id += 1
# FIXME(wuyi): For use_reader_op, if the current
# pass is not the last, the last batch of this pass
# is also equal to args.batch_size.
if args.use_reader_op:
num_samples += args.batch_size * args.gpus
else:
num_samples += len(data)
train_losses.append(loss)
print("Pass: %d, Iter: %d, Loss: %f\n" %
(pass_id, iters, np.mean(train_losses)))
print_train_time(start_time, time.time(), num_samples)
print("Pass: %d, Loss: %f" % (pass_id, np.mean(train_losses))),
# evaluation
if not args.no_test and batch_acc and not args.use_reader_op:
if args.use_inference_transpiler:
t = fluid.InferenceTranspiler()
t.transpile(infer_prog, place)
pass_test_acc = test(exe, infer_prog, test_reader, feeder,
batch_acc)
print(", Test Accuracy: %f" % pass_test_acc)
print("\n")
# TODO(wuyi): add warmup passes to get better perf data.
exit(0)