def run_finetuning(config: configure_finetuning.FinetuningConfig):
"""Run finetuning."""
hvd.init()
config.model_dir = config.model_dir if hvd.rank() == 0 else \
os.path.join(config.model_dir, str(hvd.rank()))
config.train_batch_size = config.train_batch_size // hvd.size()
# Setup for training
results = []
trial = 1
heading_info = "model={:}, trial {:}/{:}".format(
config.model_name, trial, config.num_trials)
heading = lambda msg: utils.heading(msg + ": " + heading_info)
heading("Config")
utils.log_config(config)
generic_model_dir = config.model_dir
tasks = task_builder.get_tasks(config)
# Train and evaluate num_trials models with different random seeds
while config.num_trials < 0 or trial <= config.num_trials:
config.model_dir = generic_model_dir + "_" + str(trial)
if config.do_train:
utils.rmkdir(config.model_dir)
model_runner = ModelRunner(config, tasks, hvd)
if config.do_train:
heading("Start training")
model_runner.train()
utils.log()
if config.do_eval:
heading("Run dev set evaluation")
results.append(model_runner.evaluate())
write_results(config, results)
if config.write_test_outputs and trial <= config.n_writes_test:
heading("Running on the test set and writing the predictions")
for task in tasks:
# Currently only writing preds for GLUE and SQuAD 2.0 is supported
if task.name in ["cola", "mrpc", "mnli", "sst", "rte", "qnli", "qqp",
"sts"]:
for split in task.get_test_splits():
model_runner.write_classification_outputs([task], trial, split)
elif task.name == "squad":
scorer = model_runner.evaluate_task(task, "test", False)
scorer.write_predictions()
preds = utils.load_json(config.qa_preds_file("squad"))
null_odds = utils.load_json(config.qa_na_file("squad"))
for q, _ in preds.items():
if null_odds[q] > config.qa_na_threshold:
preds[q] = ""
utils.write_json(preds, config.test_predictions(
task.name, "test", trial))
else:
utils.log("Skipping task", task.name,
"- writing predictions is not supported for this task")
if trial != config.num_trials and (not config.keep_all_models):
utils.rmrf(config.model_dir)
trial += 1
def train_or_eval(config: configure_pretraining.PretrainingConfig):
"""Run pre-training or evaluate the pre-trained model."""
# initialize horovod
hvd.init()
if config.do_train == config.do_eval:
raise ValueError(
"Exactly one of `do_train` or `do_eval` must be True.")
if config.debug:
utils.rmkdir(config.model_dir)
utils.heading("Config:")
utils.log_config(config)
config.model_dir = config.model_dir if hvd.rank() == 0 else \
os.path.join(config.model_dir, str(hvd.rank()))
config.train_batch_size = config.train_batch_size // hvd.size()
config.eval_batch_size = config.eval_batch_size // hvd.size()
is_per_host = tf.estimator.tpu.InputPipelineConfig.PER_HOST_V2
tpu_cluster_resolver = None
if config.use_tpu and config.tpu_name:
tpu_cluster_resolver = tf.distribute.cluster_resolver.TPUClusterResolver(
config.tpu_name, zone=config.tpu_zone, project=config.gcp_project)
tpu_config = tf.estimator.tpu.TPUConfig(
iterations_per_loop=config.iterations_per_loop,
num_shards=(config.num_tpu_cores
if config.do_train else config.num_tpu_cores),
tpu_job_name=config.tpu_job_name,
per_host_input_for_training=is_per_host)
session_config = tf.ConfigProto()
session_config.gpu_options.visible_device_list = str(hvd.local_rank())
run_config = tf.estimator.tpu.RunConfig(
cluster=tpu_cluster_resolver,
model_dir=config.model_dir,
save_checkpoints_steps=config.save_checkpoints_steps,
session_config=session_config,
tpu_config=tpu_config)
model_fn = model_fn_builder(config=config)
estimator = tf.estimator.tpu.TPUEstimator(
use_tpu=config.use_tpu,
model_fn=model_fn,
config=run_config,
train_batch_size=config.train_batch_size,
eval_batch_size=config.eval_batch_size)
if config.do_train:
utils.heading("Running training")
hooks = [hvd.BroadcastGlobalVariablesHook(0)]
estimator.train(input_fn=pretrain_data.get_input_fn(config, True, hvd),
max_steps=config.num_train_steps,
hooks=hooks)
if config.do_eval:
utils.heading("Running evaluation")
result = estimator.evaluate(input_fn=pretrain_data.get_input_fn(
config, False, hvd),
steps=config.num_eval_steps)
for key in sorted(result.keys()):
utils.log(" {:} = {:}".format(key, str(result[key])))
return result
def train_or_eval(config: configure_pretraining.PretrainingConfig):
"""Run pre-training or evaluate the pre-trained model."""
if config.do_train == config.do_eval:
raise ValueError(
"Exactly one of `do_train` or `do_eval` must be True.")
if config.debug and config.do_train:
utils.rmkdir(config.model_dir)
utils.heading("Config:")
utils.log_config(config)
if config.use_tpu:
is_per_host = tf.estimator.tpu.InputPipelineConfig.PER_HOST_V2
tpu_cluster_resolver = None
if config.use_tpu and config.tpu_name:
tpu_cluster_resolver = tf.distribute.cluster_resolver.TPUClusterResolver(
config.tpu_name,
zone=config.tpu_zone,
project=config.gcp_project)
tpu_config = tf.estimator.tpu.TPUConfig(
iterations_per_loop=config.iterations_per_loop,
num_shards=config.num_tpu_cores,
tpu_job_name=config.tpu_job_name,
per_host_input_for_training=is_per_host)
run_config = tf.estimator.tpu.RunConfig(
cluster=tpu_cluster_resolver,
model_dir=config.model_dir,
save_checkpoints_steps=config.save_checkpoints_steps,
keep_checkpoint_max=config.keep_checkpoint_max,
tpu_config=tpu_config)
model_fn = model_fn_builder(config=config)
estimator = tf.estimator.tpu.TPUEstimator(
use_tpu=config.use_tpu,
model_fn=model_fn,
config=run_config,
train_batch_size=config.train_batch_size,
eval_batch_size=config.eval_batch_size)
else:
run_config = tf.estimator.RunConfig(
model_dir=config.model_dir,
save_checkpoints_steps=config.save_checkpoints_steps,
keep_checkpoint_max=config.keep_checkpoint_max)
model_fn = model_fn_builder(config=config)
estimator = tf.estimator.Estimator(
model_fn=tensorflow.contrib.estimator.replicate_model_fn(model_fn),
config=run_config,
params={"batch_size": config.train_batch_size})
if config.do_train:
utils.heading("Running training")
estimator.train(input_fn=pretrain_data.get_input_fn(config, True),
max_steps=config.num_train_steps)
if config.do_eval:
utils.heading("Running evaluation")
result = estimator.evaluate(input_fn=pretrain_data.get_input_fn(
config, False),
steps=config.num_eval_steps)
for key in sorted(result.keys()):
utils.log(" {:} = {:}".format(key, str(result[key])))
return result
def run_finetuning(config: configure_finetuning.FinetuningConfig):
"""Run finetuning."""
os.environ["CUDA_DEVICE_ORDER"] = "PCI_BUS_ID"
os.environ["CUDA_VISIBLE_DEVICES"] = str(config.gpu)
# Setup for training
results = []
trial = 1
heading_info = "model={:}, trial {:}/{:}".format(config.model_name, trial, config.num_trials)
heading = lambda msg: utils.heading(msg + ": " + heading_info)
heading("Config")
utils.log_config(config)
generic_model_dir = config.model_dir
tasks = task_builder.get_tasks(config)
# Train and evaluate num_trials models with different random seeds
while config.num_trials < 0 or trial <= config.num_trials:
config.model_dir = generic_model_dir + "_" + str(trial)
if config.do_train:
utils.rmkdir(config.model_dir)
model_runner = ModelRunner(config, tasks)
if config.do_train:
heading("Start training")
model_runner.train()
utils.log()
if config.do_eval:
heading("Run dev set evaluation")
model_runner.evaluate()
# results.append(model_runner.evaluate())
# write_results(config, results)
# if config.write_test_outputs and trial <= config.n_writes_test:
# heading("Running on the test set and writing the predictions")
# for task in tasks:
# # Currently only writing preds for GLUE and SQuAD 2.0 is supported
# if task.name in ["cola", "mrpc", "mnli", "sst", "rte", "qnli", "qqp","sts","conv"]:
# for split in task.get_test_splits():
# model_runner.write_classification_outputs([task], trial, split)
# elif task.name == "squad":
# scorer = model_runner.evaluate_task(task, "test", False)
# scorer.write_predictions()
# preds = utils.load_json(config.qa_preds_file("squad"))
# null_odds = utils.load_json(config.qa_na_file("squad"))
# for q, _ in preds.items():
# if null_odds[q] > config.qa_na_threshold:
# preds[q] = ""
# utils.write_json(preds, config.test_predictions(
# task.name, "test", trial))
# else:
# utils.log("Skipping task", task.name,
# "- writing predictions is not supported for this task")
if trial != config.num_trials and (not config.keep_all_models):
utils.rmrf(config.model_dir)
trial += 1
def train_or_eval(config: configure_pretraining.PretrainingConfig):
"""Run pre-training or evaluate the pre-trained model."""
if config.do_train == config.do_eval:
raise ValueError(
"Exactly one of `do_train` or `do_eval` must be True.")
if config.debug and config.do_train:
utils.rmkdir(config.model_dir)
utils.heading("Config:")
utils.log_config(config)
# warm_start_settings = None
# if config.init_checkpoint:
# from tensorflow.python.estimator.estimator import WarmStartSettings
# warm_start_settings = WarmStartSettings(ckpt_to_initialize_from=config.init_checkpoint,
# vars_to_warm_start=['^(?!.*global_step.*)(?!.*adam.*)(?!.*Adam.*).*$'])
is_per_host = tf.estimator.tpu.InputPipelineConfig.PER_HOST_V2
tpu_cluster_resolver = None
if config.use_tpu and config.tpu_name:
tpu_cluster_resolver = tf.distribute.cluster_resolver.TPUClusterResolver(
config.tpu_name, zone=config.tpu_zone, project=config.gcp_project)
tpu_config = tf.estimator.tpu.TPUConfig(
iterations_per_loop=config.iterations_per_loop,
num_shards=config.num_tpu_cores,
# tpu_job_name=config.tpu_job_name,
per_host_input_for_training=is_per_host)
run_config = tf.estimator.tpu.RunConfig(
cluster=tpu_cluster_resolver,
model_dir=config.model_dir,
save_checkpoints_steps=config.save_checkpoints_steps,
tpu_config=tpu_config)
model_fn = model_fn_builder(config=config)
estimator = tf.estimator.tpu.TPUEstimator(
use_tpu=config.use_tpu,
model_fn=model_fn,
config=run_config,
train_batch_size=config.train_batch_size,
eval_batch_size=config.eval_batch_size)
if config.do_train:
utils.heading("Running training")
estimator.train(input_fn=pretrain_data.get_input_fn(config, True),
max_steps=config.num_train_steps)
if config.do_eval:
utils.heading("Running evaluation")
result = estimator.evaluate(input_fn=pretrain_data.get_input_fn(
config, False),
steps=config.num_eval_steps)
for key in sorted(result.keys()):
utils.log(" {:} = {:}".format(key, str(result[key])))
return result
def train_or_eval(config: configure_pretraining.PretrainingConfig):
"""Run pre-training or evaluate the pre-trained model."""
if config.do_train == config.do_eval:
raise ValueError("Exactly one of `do_train` or `do_eval` must be True.")
if config.debug and config.do_train:
utils.rmkdir(config.model_dir)
utils.heading("Config:")
utils.log_config(config)
is_per_host = tf.estimator.tpu.InputPipelineConfig.PER_HOST_V2
tpu_cluster_resolver = None
if config.use_tpu:
tpu_cluster_resolver = tf.distribute.cluster_resolver.TPUClusterResolver(zone=config.tpu_zone,
project=config.gcp_project)
print('Running on TPU ', tpu_cluster_resolver.cluster_spec().as_dict()['worker'])
if tpu_cluster_resolver:
tf.config.experimental_connect_to_cluster(tpu_cluster_resolver)
tf.tpu.experimental.initialize_tpu_system(tpu_cluster_resolver)
tpu_config = tf.estimator.tpu.TPUConfig(
iterations_per_loop=config.iterations_per_loop,
num_shards=config.num_tpu_cores,
tpu_job_name=config.tpu_job_name,
per_host_input_for_training=is_per_host)
run_config = tf.estimator.tpu.RunConfig(
cluster=tpu_cluster_resolver,
model_dir=config.model_dir,
save_checkpoints_steps=config.save_checkpoints_steps,
keep_checkpoint_max=config.keep_checkpoint_max,
tpu_config=tpu_config)
model_fn = model_fn_builder(config=config)
estimator = tf.estimator.tpu.TPUEstimator(
use_tpu=config.use_tpu,
model_fn=model_fn,
config=run_config,
train_batch_size=config.train_batch_size,
eval_batch_size=config.eval_batch_size)
if config.do_train:
utils.heading("Running training")
estimator.train(input_fn=pretrain_data.get_input_fn(config, True),
max_steps=config.num_train_steps)
if config.do_eval:
utils.heading("Running evaluation")
result = estimator.evaluate(
input_fn=pretrain_data.get_input_fn(config, False),
steps=config.num_eval_steps)
for key in sorted(result.keys()):
utils.log(" {:} = {:}".format(key, str(result[key])))
return result
def predict(config: configure_finetuning.FinetuningConfig):
"""using a trained model for task name, do predictions for test data set and save the results """
no_trials = config.num_trials if config.num_trials > 0 else 1
print(no_trials)
generic_model_dir = config.model_dir
for trial in range(1, no_trials + 1):
utils.log_config(config)
tasks = task_builder.get_tasks(config)
config.model_dir = generic_model_dir + "_" + str(trial)
print("config.model_dir:{}".format(config.model_dir))
model_runner = ModelRunner(config, tasks)
utils.heading("Running on the test set and writing the predictions")
for task in tasks:
if task.name in [
"cola", "mrpc", "mnli", "sst", "rte", "qnli", "qqp", "sts",
"yesno", "reranker", "weighted-reranker", "gad", "chemprot"
]:
for split in task.get_test_splits():
model_runner.write_classification_outputs([task], trial,
split)
def run_finetuning(config: configure_finetuning.FinetuningConfig):
"""Run finetuning."""
# Setup for training
results = []
trial = 1
heading_info = "model={:}, trial {:}/{:}".format(config.model_name, trial,
config.num_trials)
heading = lambda msg: utils.heading(msg + ": " + heading_info)
heading("Config")
utils.log_config(config)
generic_model_dir = config.model_dir
tasks = task_builder.get_tasks(config)
# Train and evaluate num_trials models with different random seeds
while config.num_trials < 0 or trial <= config.num_trials:
config.model_dir = generic_model_dir + "_" + str(trial)
if config.do_train:
utils.rmkdir(config.model_dir)
model_runner = ModelRunner(config, tasks)
if config.do_train:
heading("Start training")
model_runner.train()
utils.log()
if config.do_eval:
heading("Run dev set evaluation")
results.append(model_runner.evaluate())
if config.do_test:
for task in tasks:
test_score = model_runner.evaluate_task_test(
task, results[-1][task.name]['checkpoint_path'])
results[-1][task.name]["test_results"] = test_score
write_results(config, results)
if config.write_test_outputs and trial <= config.n_writes_test:
heading("Running on the test set and writing the predictions")
for task in tasks:
# Currently only writing preds for GLUE and SQuAD 2.0 is supported
if task.name in [
"cola", "mrpc", "mnli", "sst", "rte", "qnli",
"qqp", "sts"
]:
for split in task.get_test_splits():
model_runner.write_classification_outputs([task],
trial,
split)
elif task.name == "squad":
scorer = model_runner.evaluate_task(
task, "test", False)
scorer.write_predictions()
preds = utils.load_json(config.qa_preds_file("squad"))
null_odds = utils.load_json(config.qa_na_file("squad"))
for q, _ in preds.items():
if null_odds[q] > config.qa_na_threshold:
preds[q] = ""
utils.write_json(
preds,
config.test_predictions(task.name, "test", trial))
else:
utils.log(
"Skipping task", task.name,
"- writing predictions is not supported for this task"
)
if config.do_predict:
if "dev" in config.predict_split:
results = model_runner.predict(tasks[0],
config.predict_checkpoint_path,
"dev")
import pickle
with open("predict_dev.pickle", "bw") as outfile:
pickle.dump(results, outfile)
if "train" in config.predict_split:
results = model_runner.predict(tasks[0],
config.predict_checkpoint_path,
"train")
import pickle
with open("predict_train.pickle", "bw") as outfile:
pickle.dump(results, outfile)
if "test" in config.predict_split:
results = model_runner.predict(tasks[0],
config.predict_checkpoint_path,
"test")
import pickle
with open("predict_test.pickle", "bw") as outfile:
pickle.dump(results, outfile)
if trial != config.num_trials and (not config.keep_all_models):
utils.rmrf(config.model_dir)
trial += 1
def train_or_eval(config: configure_pretraining.PretrainingConfig):
"""Run pre-training or evaluate the pre-trained model."""
if config.do_train == config.do_eval:
raise ValueError(
"Exactly one of `do_train` or `do_eval` must be True.")
if config.debug:
utils.rmkdir(config.model_dir)
utils.heading("Config:")
utils.log_config(config)
num_gpus = utils.get_available_gpus()
utils.log("Found {} gpus".format(len(num_gpus)))
if num_gpus == 1:
session_config = tf.ConfigProto(
log_device_placement=True,
allow_soft_placement=True,
gpu_options=tf.GPUOptions(allow_growth=True))
run_config = tf.estimator.RunConfig(
model_dir=config.model_dir,
save_checkpoints_steps=config.save_checkpoints_steps,
# save_checkpoints_secs=3600,
# tf_random_seed=FLAGS.seed,
session_config=session_config,
# keep_checkpoint_max=0,
log_step_count_steps=100)
else:
train_distribution_strategy = tf.distribute.MirroredStrategy(
devices=None,
cross_device_ops=tensorflow.contrib.distribute.
AllReduceCrossDeviceOps('nccl', num_packs=len(num_gpus)))
eval_distribution_strategy = tf.distribute.MirroredStrategy(
devices=None)
session_config = tf.ConfigProto(
# log_device_placement=True,
inter_op_parallelism_threads=0,
intra_op_parallelism_threads=0,
allow_soft_placement=True,
gpu_options=tf.GPUOptions(allow_growth=True))
run_config = tf.estimator.RunConfig(
model_dir=config.model_dir,
save_checkpoints_steps=config.save_checkpoints_steps,
train_distribute=train_distribution_strategy,
eval_distribute=eval_distribution_strategy,
# save_checkpoints_secs=3600,
# tf_random_seed=FLAGS.seed,
session_config=session_config,
# keep_checkpoint_max=0,
log_step_count_steps=100)
model_fn = model_fn_builder(config=config)
estimator = tf.estimator.Estimator(model_fn=model_fn,
config=run_config,
params={
'train_batch_size':
config.train_batch_size,
'eval_batch_size':
config.eval_batch_size
})
if config.do_train:
utils.heading("Running training")
estimator.train(input_fn=pretrain_data.get_input_fn(config, True),
max_steps=config.num_train_steps)
if config.do_eval:
utils.heading("Running evaluation")
result = estimator.evaluate(input_fn=pretrain_data.get_input_fn(
config, False),
steps=config.num_eval_steps)
for key in sorted(result.keys()):
utils.log(" {:} = {:}".format(key, str(result[key])))
return result
def train_or_eval(config: PretrainingConfig):
"""Run pre-training or evaluate the pre-trained model."""
if config.do_train == config.do_eval:
raise ValueError(
"Exactly one of `do_train` or `do_eval` must be True.")
if config.debug and config.do_train:
utils.rmkdir(config.model_dir)
utils.heading("Config:")
utils.log_config(config)
# session config
session_config = tf.ConfigProto()
session_config.gpu_options.allow_growth = True
session_config.gpu_options.visible_device_list = str(
hvd.local_rank()) # one gpu per process
# session_config.graph_options.optimizer_options.global_jit_level = tf.OptimizerOptions.ON_1 # xla
# session_config.graph_options.rewrite_options.memory_optimization = rewriter_config_pb2.RewriterConfig.NO_MEM_OPT # xla
# run config
# согласно примеру: https://gist.github.com/alsrgv/34a32f30292f4e2c1fa29ec0d65dea26
# model_dir = config.model_dir if hvd.rank() == 0 else None
# UPD: если model_dir == None, то Estimator по умолчанию сохраняет чекпоинты в /tmp, что сжирает системный диск
run_config = tf.estimator.RunConfig(
model_dir=config.model_dir,
session_config=session_config,
save_checkpoints_steps=config.save_checkpoints_steps
if hvd.rank() == 0 else None,
save_summary_steps=100 if hvd.rank() == 0 else 0,
keep_checkpoint_max=config.keep_checkpoint_max,
log_step_count_steps=10000)
# model_fn
model_fn = model_fn_builder(config=config)
# training hooks
training_hooks = []
if hvd.size() > 1:
training_hooks.append(hvd.BroadcastGlobalVariablesHook(0))
# estimator
estimator = tf.estimator.Estimator(model_fn=model_fn, config=run_config)
if config.do_train:
utils.heading("Running training")
input_fn = pretrain_data.get_input_fn(
pretrain_tfrecords=config.pretrain_tfrecords,
max_seq_length=config.max_seq_length,
batch_size=config.train_batch_size,
is_training=True,
hvd=hvd,
num_cpu_threads=8)
estimator.train(input_fn=input_fn,
hooks=training_hooks,
max_steps=config.num_train_steps)
if config.do_eval:
utils.heading("Running evaluation")
input_fn = pretrain_data.get_input_fn(
pretrain_tfrecords=config.pretrain_tfrecords,
max_seq_length=config.max_seq_length,
batch_size=config.eval_batch_size,
is_training=False,
hvd=hvd,
num_cpu_threads=8)
result = estimator.evaluate(input_fn=input_fn,
steps=config.num_eval_steps)
for key in sorted(result.keys()):
utils.log(" {:} = {:}".format(key, str(result[key])))
return result
def run_finetuning(config: configure_finetuning.FinetuningConfig):
"""Run finetuning."""
tf.get_variable_scope().reuse_variables() #import pdb; pdb.set_trace()
# Setup for training
results = []
trial = 1
heading_info = "model={:}, trial {:}/{:}".format(
config.model_name, trial, config.num_trials)
heading = lambda msg: utils.heading(msg + ": " + heading_info)
heading("Config")
utils.log_config(config)
generic_model_dir = config.model_dir
tasks = task_builder.get_tasks(config)
# Train and evaluate num_trials models with different random seeds
while config.num_trials < 0 or trial <= config.num_trials:
config.model_dir = generic_model_dir + "_" + str(trial)
if config.do_train:
utils.rmkdir(config.model_dir)
model_runner = ModelRunner(config, tasks)
if config.do_train:
heading("Start training")
model_runner.train()
utils.log()
if config.do_eval:
heading("Run dev set evaluation")
results.append(model_runner.evaluate())
write_results(config, results)
if config.write_test_outputs and trial <= config.n_writes_test:
heading("Running on the test set and writing the predictions")
for task in tasks:
# Currently only writing preds for GLUE and SQuAD 2.0 is supported
if task.name in ["cola", "mrpc", "mnli", "sst", "rte", "qnli", "qqp",
"sts"]:
for split in task.get_test_splits():
model_runner.write_classification_outputs([task], trial, split)
elif task.name == "squad":
scorer = model_runner.evaluate_task(task, "test", False)
scorer.write_predictions()
preds = utils.load_json(config.qa_preds_file("squad"))
null_odds = utils.load_json(config.qa_na_file("squad"))
for q, _ in preds.items():
if null_odds[q] > config.qa_na_threshold:
preds[q] = ""
utils.write_json(preds, config.test_predictions(
task.name, "test", trial))
else:
utils.log("Skipping task", task.name,
"- writing predictions is not supported for this task")
if trial != config.num_trials and (not config.keep_all_models):
utils.rmrf(config.model_dir)
trial += 1
# exporting the model
if config.export_dir:
# with tf.variable_scope(tf.get_variable_scope(), reuse=True):
# model_runner = ModelRunner(config, tasks)
# tf.gfile.MakeDirs(config.export_dir)
# checkpoint_path = os.path.join(config.init_checkpoint, "model.ckpt-6315")
# squad_serving_input_fn = (
# build_squad_serving_input_fn(config.max_seq_length))
# utils.log("Starting to export model.")
# subfolder = model_runner._estimator.export_saved_model(
# export_dir_base=os.path.join(config.export_dir, "saved_model"),
# serving_input_receiver_fn=squad_serving_input_fn)
tf.get_variable_scope().reuse_variables()
model_runner = ModelRunner(config, tasks)
tf.gfile.MakeDirs(config.export_dir)
checkpoint_path = os.path.join(config.init_checkpoint, "model.ckpt-6315")
squad_serving_input_fn = (
build_squad_serving_input_fn(config.max_seq_length))
utils.log("Starting to export model.")
subfolder = model_runner._estimator.export_saved_model(
export_dir_base=os.path.join(config.export_dir, "saved_model"),
serving_input_receiver_fn=squad_serving_input_fn)
def train_or_eval(config: configure_pretraining.PretrainingConfig):
"""Run pre-training or evaluate the pre-trained model."""
if config.do_train == config.do_eval:
raise ValueError(
"Exactly one of `do_train` or `do_eval` must be True.")
if config.debug:
utils.rmkdir(config.model_dir)
utils.heading("Config:")
utils.log_config(config)
if config.use_tpu:
is_per_host = tf.estimator.tpu.InputPipelineConfig.PER_HOST_V2
tpu_cluster_resolver = None
if config.use_tpu and config.tpu_name:
tpu_cluster_resolver = tf.distribute.cluster_resolver.TPUClusterResolver(
config.tpu_name,
zone=config.tpu_zone,
project=config.gcp_project)
tpu_config = tf.estimator.tpu.TPUConfig(
iterations_per_loop=config.iterations_per_loop,
num_shards=config.num_tpu_cores,
tpu_job_name=config.tpu_job_name,
per_host_input_for_training=is_per_host,
)
run_config = tf.estimator.tpu.RunConfig(
cluster=tpu_cluster_resolver,
model_dir=config.model_dir,
save_checkpoints_steps=config.save_checkpoints_steps,
tpu_config=tpu_config,
)
model_fn = model_fn_builder(config=config)
estimator = tf.estimator.tpu.TPUEstimator(
use_tpu=config.use_tpu,
model_fn=model_fn,
config=run_config,
train_batch_size=config.train_batch_size,
eval_batch_size=config.eval_batch_size,
)
else:
config_proto = tf.ConfigProto()
config_proto.gpu_options.allow_growth = True
run_config = tf.estimator.RunConfig(
model_dir=config.model_dir,
save_checkpoints_steps=config.save_checkpoints_steps,
session_config=config_proto,
)
model_fn = model_fn_builder(config=config)
estimator = None
if config.saved_model:
estimator = tf.estimator.Estimator(
model_fn=model_fn,
config=run_config,
warm_start_from=config.saved_model)
else:
estimator = tf.estimator.Estimator(model_fn=model_fn,
config=run_config)
if config.do_train:
utils.heading("Running training")
estimator.train(
input_fn=pretrain_data.get_input_fn(config, True),
max_steps=config.num_train_steps,
)
if config.do_eval:
utils.heading("Running evaluation")
result = estimator.evaluate(
input_fn=pretrain_data.get_input_fn(config, False),
steps=config.num_eval_steps,
)
for key in sorted(result.keys()):
utils.log(" {:} = {:}".format(key, str(result[key])))
return result
