rob-base-gc1 / run_qa.py

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	#!/usr/bin/env python
	# coding=utf-8
	# Copyright 2020 The HuggingFace Team All rights reserved.
	#
	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
	# limitations under the License.
	"""
	Fine-tuning the library models for question answering using a slightly adapted version of the 🤗 Trainer.
	"""
	# You can also adapt this script on your own question answering task. Pointers for this are left as comments.

	import logging
	import os
	import sys
	from dataclasses import dataclass, field
	from typing import Optional

	import datasets
	from datasets import load_dataset, load_metric

	import transformers
	from optimum.graphcore import IPUConfig
	from optimum.graphcore import IPUTrainingArguments as TrainingArguments
	from optimum.graphcore.data import pad_on_batch_axis
	from optimum.graphcore.utils import check_min_version
	from trainer_qa import QuestionAnsweringTrainer
	from transformers import (
	AutoConfig,
	AutoModelForQuestionAnswering,
	AutoTokenizer,
	DataCollatorWithPadding,
	EvalPrediction,
	HfArgumentParser,
	PreTrainedTokenizerFast,
	default_data_collator,
	set_seed,
	)
	from transformers.trainer_utils import get_last_checkpoint
	from transformers.utils import check_min_version as tf_check_min_version
	from transformers.utils import send_example_telemetry
	from transformers.utils.versions import require_version
	from utils_qa import postprocess_qa_predictions


	# Will error if the minimal version of Transformers is not installed. Remove at your own risks.
	tf_check_min_version("4.20.0")

	# Will error if the minimal version of Optimum Graphcore is not installed. Remove at your own risks.
	check_min_version("0.2.4.dev0")

	require_version("datasets>=1.8.0", "To fix: pip install -r examples/pytorch/question-answering/requirements.txt")

	logger = logging.getLogger(__name__)


	@dataclass
	class ModelArguments:
	"""
	Arguments pertaining to which model/config/tokenizer we are going to fine-tune from.
	"""

	model_name_or_path: str = field(
	metadata={"help": "Path to pretrained model or model identifier from huggingface.co/models"}
	)
	config_name: Optional[str] = field(
	default=None, metadata={"help": "Pretrained config name or path if not the same as model_name"}
	)
	tokenizer_name: Optional[str] = field(
	default=None, metadata={"help": "Pretrained tokenizer name or path if not the same as model_name"}
	)
	cache_dir: Optional[str] = field(
	default=None,
	metadata={"help": "Path to directory to store the pretrained models downloaded from huggingface.co"},
	)
	model_revision: str = field(
	default="main",
	metadata={"help": "The specific model version to use (can be a branch name, tag name or commit id)."},
	)
	use_auth_token: bool = field(
	default=False,
	metadata={
	"help": (
	"Will use the token generated when running `transformers-cli login` (necessary to use this script "
	"with private models)."
	)
	},
	)


	@dataclass
	class DataTrainingArguments:
	"""
	Arguments pertaining to what data we are going to input our model for training and eval.
	"""
	dataset_path: Optional[str] = field(default=None, metadata={"help": "Path to dataset saved with `save_to_disk`"})
	dataset_name: Optional[str] = field(
	default=None, metadata={"help": "The name of the dataset to use (via the datasets library)."}
	)
	dataset_config_name: Optional[str] = field(
	default=None, metadata={"help": "The configuration name of the dataset to use (via the datasets library)."}
	)
	train_file: Optional[str] = field(default=None, metadata={"help": "The input training data file (a text file)."})
	validation_file: Optional[str] = field(
	default=None,
	metadata={"help": "An optional input evaluation data file to evaluate the perplexity on (a text file)."},
	)
	test_file: Optional[str] = field(
	default=None,
	metadata={"help": "An optional input test data file to evaluate the perplexity on (a text file)."},
	)
	overwrite_cache: bool = field(
	default=False, metadata={"help": "Overwrite the cached training and evaluation sets"}
	)
	preprocessing_num_workers: Optional[int] = field(
	default=None,
	metadata={"help": "The number of processes to use for the preprocessing."},
	)
	max_seq_length: int = field(
	default=384,
	metadata={
	"help": (
	"The maximum total input sequence length after tokenization. Sequences longer "
	"than this will be truncated, sequences shorter will be padded."
	)
	},
	)
	pad_to_max_length: bool = field(
	default=True,
	metadata={
	"help": (
	"Whether to pad all samples to `max_seq_length`. If False, will pad the samples dynamically when"
	" batching to the maximum length in the batch (which can be faster on GPU but will be slower on TPU)."
	)
	},
	)
	max_train_samples: Optional[int] = field(
	default=None,
	metadata={
	"help": (
	"For debugging purposes or quicker training, truncate the number of training examples to this "
	"value if set."
	)
	},
	)
	max_eval_samples: Optional[int] = field(
	default=None,
	metadata={
	"help": (
	"For debugging purposes or quicker training, truncate the number of evaluation examples to this "
	"value if set."
	)
	},
	)
	max_predict_samples: Optional[int] = field(
	default=None,
	metadata={
	"help": (
	"For debugging purposes or quicker training, truncate the number of prediction examples to this "
	"value if set."
	)
	},
	)
	version_2_with_negative: bool = field(
	default=False, metadata={"help": "If true, some of the examples do not have an answer."}
	)
	null_score_diff_threshold: float = field(
	default=0.0,
	metadata={
	"help": (
	"The threshold used to select the null answer: if the best answer has a score that is less than "
	"the score of the null answer minus this threshold, the null answer is selected for this example. "
	"Only useful when `version_2_with_negative=True`."
	)
	},
	)
	doc_stride: int = field(
	default=128,
	metadata={"help": "When splitting up a long document into chunks, how much stride to take between chunks."},
	)
	n_best_size: int = field(
	default=20,
	metadata={"help": "The total number of n-best predictions to generate when looking for an answer."},
	)
	max_answer_length: int = field(
	default=30,
	metadata={
	"help": (
	"The maximum length of an answer that can be generated. This is needed because the start "
	"and end predictions are not conditioned on one another."
	)
	},
	)



	def main():
	# See all possible arguments in src/transformers/training_args.py
	# or by passing the --help flag to this script.
	# We now keep distinct sets of args, for a cleaner separation of concerns.

	parser = HfArgumentParser((ModelArguments, DataTrainingArguments, TrainingArguments))
	if len(sys.argv) == 2 and sys.argv[1].endswith(".json"):
	# If we pass only one argument to the script and it's the path to a json file,
	# let's parse it to get our arguments.
	model_args, data_args, training_args = parser.parse_json_file(json_file=os.path.abspath(sys.argv[1]))
	else:
	model_args, data_args, training_args = parser.parse_args_into_dataclasses()

	# Sending telemetry. Tracking the example usage helps us better allocate resources to maintain them. The
	# information sent is the one passed as arguments along with your Python/PyTorch versions.
	send_example_telemetry("run_qa", model_args, data_args)

	# Setup logging
	logging.basicConfig(
	format="%(asctime)s - %(levelname)s - %(name)s - %(message)s",
	datefmt="%m/%d/%Y %H:%M:%S",
	handlers=[logging.StreamHandler(sys.stdout)],
	)

	log_level = training_args.get_process_log_level()
	logger.setLevel(log_level)
	datasets.utils.logging.set_verbosity(log_level)
	transformers.utils.logging.set_verbosity(log_level)
	transformers.utils.logging.enable_default_handler()
	transformers.utils.logging.enable_explicit_format()

	logger.info(f"Training/evaluation parameters {training_args}")

	# Detecting last checkpoint.
	last_checkpoint = None
	if os.path.isdir(training_args.output_dir) and training_args.do_train and not training_args.overwrite_output_dir:
	last_checkpoint = get_last_checkpoint(training_args.output_dir)
	if last_checkpoint is None and len(os.listdir(training_args.output_dir)) > 0:
	raise ValueError(
	f"Output directory ({training_args.output_dir}) already exists and is not empty. "
	"Use --overwrite_output_dir to overcome."
	)
	elif last_checkpoint is not None and training_args.resume_from_checkpoint is None:
	logger.info(
	f"Checkpoint detected, resuming training at {last_checkpoint}. To avoid this behavior, change "
	"the `--output_dir` or add `--overwrite_output_dir` to train from scratch."
	)

	# Set seed before initializing model.
	set_seed(training_args.seed)

	# Get the datasets: you can either provide your own CSV/JSON/TXT training and evaluation files (see below)
	# or just provide the name of one of the public datasets available on the hub at https://huggingface.co/datasets/
	# (the dataset will be downloaded automatically from the datasets Hub).
	#
	# For CSV/JSON files, this script will use the column called 'text' or the first column if no column called
	# 'text' is found. You can easily tweak this behavior (see below).
	#
	# In distributed training, the load_dataset function guarantee that only one local process can concurrently
	# download the dataset.
	if data_args.dataset_path is not None:
	raw_datasets = datasets.load_from_disk(data_args.dataset_path)
	elif data_args.dataset_name is not None:
	# Downloading and loading a dataset from the hub.
	raw_datasets = load_dataset(
	data_args.dataset_name,
	data_args.dataset_config_name,
	cache_dir=model_args.cache_dir,
	use_auth_token=True if model_args.use_auth_token else None,
	)
	else:
	data_files = {}
	if data_args.train_file is not None:
	data_files["train"] = data_args.train_file
	extension = data_args.train_file.split(".")[-1]

	if data_args.validation_file is not None:
	data_files["validation"] = data_args.validation_file
	extension = data_args.validation_file.split(".")[-1]
	if data_args.test_file is not None:
	data_files["test"] = data_args.test_file
	extension = data_args.test_file.split(".")[-1]
	raw_datasets = load_dataset(
	extension,
	data_files=data_files,
	field="data",
	cache_dir=model_args.cache_dir,
	use_auth_token=True if model_args.use_auth_token else None,
	)
	# See more about loading any type of standard or custom dataset (from files, python dict, pandas DataFrame, etc) at
	# https://huggingface.co/docs/datasets/loading_datasets.html.

	# Load pretrained model and tokenizer
	#
	# Distributed training:
	# The .from_pretrained methods guarantee that only one local process can concurrently
	# download model & vocab.
	config = AutoConfig.from_pretrained(
	model_args.config_name if model_args.config_name else model_args.model_name_or_path,
	cache_dir=model_args.cache_dir,
	revision=model_args.model_revision,
	use_auth_token=True if model_args.use_auth_token else None,
	)
	ipu_config = IPUConfig.from_pretrained(
	training_args.ipu_config_name if training_args.ipu_config_name else model_args.model_name_or_path,
	cache_dir=model_args.cache_dir,
	revision=model_args.model_revision,
	use_auth_token=True if model_args.use_auth_token else None,
	)

	tokenizer = AutoTokenizer.from_pretrained(
	model_args.tokenizer_name if model_args.tokenizer_name else model_args.model_name_or_path,
	cache_dir=model_args.cache_dir,
	use_fast=True,
	revision=model_args.model_revision,
	use_auth_token=True if model_args.use_auth_token else None,
	)
	model = AutoModelForQuestionAnswering.from_pretrained(
	model_args.model_name_or_path,
	from_tf=bool(".ckpt" in model_args.model_name_or_path),
	config=config,
	cache_dir=model_args.cache_dir,
	revision=model_args.model_revision,
	use_auth_token=True if model_args.use_auth_token else None,
	)

	# Tokenizer check: this script requires a fast tokenizer.
	if not isinstance(tokenizer, PreTrainedTokenizerFast):
	raise ValueError(
	"This example script only works for models that have a fast tokenizer. Checkout the big table of models at"
	" https://huggingface.co/transformers/index.html#supported-frameworks to find the model types that meet"
	" this requirement"
	)

	# Preprocessing the datasets.
	# Preprocessing is slighlty different for training and evaluation.
	if training_args.do_train:
	column_names = raw_datasets["train"].column_names
	elif training_args.do_eval:
	column_names = raw_datasets["validation"].column_names
	else:
	column_names = raw_datasets["test"].column_names
	question_column_name = "question" if "question" in column_names else column_names[0]
	context_column_name = "context" if "context" in column_names else column_names[1]
	answer_column_name = "answers" if "answers" in column_names else column_names[2]

	# Padding side determines if we do (question\|context) or (context\|question).
	pad_on_right = tokenizer.padding_side == "right"

	if data_args.max_seq_length > tokenizer.model_max_length:
	logger.warning(
	f"The max_seq_length passed ({data_args.max_seq_length}) is larger than the maximum length for the"
	f"model ({tokenizer.model_max_length}). Using max_seq_length={tokenizer.model_max_length}."
	)
	max_seq_length = min(data_args.max_seq_length, tokenizer.model_max_length)

	# Training preprocessing
	def prepare_train_features(examples):
	# Some of the questions have lots of whitespace on the left, which is not useful and will make the
	# truncation of the context fail (the tokenized question will take a lots of space). So we remove that
	# left whitespace
	examples[question_column_name] = [q.lstrip() for q in examples[question_column_name]]

	# Tokenize our examples with truncation and maybe padding, but keep the overflows using a stride. This results
	# in one example possible giving several features when a context is long, each of those features having a
	# context that overlaps a bit the context of the previous feature.
	tokenized_examples = tokenizer(
	examples[question_column_name if pad_on_right else context_column_name],
	examples[context_column_name if pad_on_right else question_column_name],
	truncation="only_second" if pad_on_right else "only_first",
	max_length=max_seq_length,
	stride=data_args.doc_stride,
	return_overflowing_tokens=True,
	return_offsets_mapping=True,
	padding="max_length" if data_args.pad_to_max_length else False,
	)

	# Since one example might give us several features if it has a long context, we need a map from a feature to
	# its corresponding example. This key gives us just that.
	sample_mapping = tokenized_examples.pop("overflow_to_sample_mapping")
	# The offset mappings will give us a map from token to character position in the original context. This will
	# help us compute the start_positions and end_positions.
	offset_mapping = tokenized_examples.pop("offset_mapping")

	# Let's label those examples!
	tokenized_examples["start_positions"] = []
	tokenized_examples["end_positions"] = []

	for i, offsets in enumerate(offset_mapping):
	# We will label impossible answers with the index of the CLS token.
	input_ids = tokenized_examples["input_ids"][i]
	cls_index = input_ids.index(tokenizer.cls_token_id)

	# Grab the sequence corresponding to that example (to know what is the context and what is the question).
	sequence_ids = tokenized_examples.sequence_ids(i)

	# One example can give several spans, this is the index of the example containing this span of text.
	sample_index = sample_mapping[i]
	answers = examples[answer_column_name][sample_index]
	# If no answers are given, set the cls_index as answer.
	if len(answers["answer_start"]) == 0:
	tokenized_examples["start_positions"].append(cls_index)
	tokenized_examples["end_positions"].append(cls_index)
	else:
	# Start/end character index of the answer in the text.
	start_char = answers["answer_start"][0]
	end_char = start_char + len(answers["text"][0])

	# Start token index of the current span in the text.
	token_start_index = 0
	while sequence_ids[token_start_index] != (1 if pad_on_right else 0):
	token_start_index += 1

	# End token index of the current span in the text.
	token_end_index = len(input_ids) - 1
	while sequence_ids[token_end_index] != (1 if pad_on_right else 0):
	token_end_index -= 1

	# Detect if the answer is out of the span (in which case this feature is labeled with the CLS index).
	if not (offsets[token_start_index][0] <= start_char and offsets[token_end_index][1] >= end_char):
	tokenized_examples["start_positions"].append(cls_index)
	tokenized_examples["end_positions"].append(cls_index)
	else:
	# Otherwise move the token_start_index and token_end_index to the two ends of the answer.
	# Note: we could go after the last offset if the answer is the last word (edge case).
	while token_start_index < len(offsets) and offsets[token_start_index][0] <= start_char:
	token_start_index += 1
	tokenized_examples["start_positions"].append(token_start_index - 1)
	while offsets[token_end_index][1] >= end_char:
	token_end_index -= 1
	tokenized_examples["end_positions"].append(token_end_index + 1)

	return tokenized_examples

	if training_args.do_train:
	if "train" not in raw_datasets:
	raise ValueError("--do_train requires a train dataset")
	train_dataset = raw_datasets["train"]
	if data_args.max_train_samples is not None:
	# We will select sample from whole data if argument is specified
	max_train_samples = min(len(train_dataset), data_args.max_train_samples)
	train_dataset = train_dataset.select(range(max_train_samples))
	# Create train feature from dataset
	with training_args.main_process_first(desc="train dataset map pre-processing"):
	train_dataset = train_dataset.map(
	prepare_train_features,
	batched=True,
	num_proc=data_args.preprocessing_num_workers,
	remove_columns=column_names,
	load_from_cache_file=not data_args.overwrite_cache,
	desc="Running tokenizer on train dataset",
	)
	if data_args.max_train_samples is not None:
	# Number of samples might increase during Feature Creation, We select only specified max samples
	max_train_samples = min(len(train_dataset), data_args.max_train_samples)
	train_dataset = train_dataset.select(range(max_train_samples))

	# Validation preprocessing
	def prepare_validation_features(examples):
	# Some of the questions have lots of whitespace on the left, which is not useful and will make the
	# truncation of the context fail (the tokenized question will take a lots of space). So we remove that
	# left whitespace
	examples[question_column_name] = [q.lstrip() for q in examples[question_column_name]]

	# Tokenize our examples with truncation and maybe padding, but keep the overflows using a stride. This results
	# in one example possible giving several features when a context is long, each of those features having a
	# context that overlaps a bit the context of the previous feature.
	tokenized_examples = tokenizer(
	examples[question_column_name if pad_on_right else context_column_name],
	examples[context_column_name if pad_on_right else question_column_name],
	truncation="only_second" if pad_on_right else "only_first",
	max_length=max_seq_length,
	stride=data_args.doc_stride,
	return_overflowing_tokens=True,
	return_offsets_mapping=True,
	padding="max_length" if data_args.pad_to_max_length else False,
	)

	# Since one example might give us several features if it has a long context, we need a map from a feature to
	# its corresponding example. This key gives us just that.
	sample_mapping = tokenized_examples.pop("overflow_to_sample_mapping")

	# For evaluation, we will need to convert our predictions to substrings of the context, so we keep the
	# corresponding example_id and we will store the offset mappings.
	tokenized_examples["example_id"] = []

	for i in range(len(tokenized_examples["input_ids"])):
	# Grab the sequence corresponding to that example (to know what is the context and what is the question).
	sequence_ids = tokenized_examples.sequence_ids(i)
	context_index = 1 if pad_on_right else 0

	# One example can give several spans, this is the index of the example containing this span of text.
	sample_index = sample_mapping[i]
	tokenized_examples["example_id"].append(examples["id"][sample_index])

	# Set to None the offset_mapping that are not part of the context so it's easy to determine if a token
	# position is part of the context or not.
	tokenized_examples["offset_mapping"][i] = [
	(o if sequence_ids[k] == context_index else None)
	for k, o in enumerate(tokenized_examples["offset_mapping"][i])
	]

	return tokenized_examples

	if training_args.do_eval:
	if "validation" not in raw_datasets:
	raise ValueError("--do_eval requires a validation dataset")
	eval_examples = raw_datasets["validation"]
	if data_args.max_eval_samples is not None:
	# We will select sample from whole data
	max_eval_samples = min(len(eval_examples), data_args.max_eval_samples)
	eval_examples = eval_examples.select(range(max_eval_samples))
	# Validation Feature Creation
	with training_args.main_process_first(desc="validation dataset map pre-processing"):
	eval_dataset = eval_examples.map(
	prepare_validation_features,
	batched=True,
	num_proc=data_args.preprocessing_num_workers,
	remove_columns=column_names,
	load_from_cache_file=not data_args.overwrite_cache,
	desc="Running tokenizer on validation dataset",
	)
	if data_args.max_eval_samples is not None:
	# During Feature creation dataset samples might increase, we will select required samples again
	max_eval_samples = min(len(eval_dataset), data_args.max_eval_samples)
	eval_dataset = eval_dataset.select(range(max_eval_samples))

	if training_args.do_predict:
	if "test" not in raw_datasets:
	raise ValueError("--do_predict requires a test dataset")
	predict_examples = raw_datasets["test"]
	if data_args.max_predict_samples is not None:
	# We will select sample from whole data
	predict_examples = predict_examples.select(range(data_args.max_predict_samples))
	# Predict Feature Creation
	with training_args.main_process_first(desc="prediction dataset map pre-processing"):
	predict_dataset = predict_examples.map(
	prepare_validation_features,
	batched=True,
	num_proc=data_args.preprocessing_num_workers,
	remove_columns=column_names,
	load_from_cache_file=not data_args.overwrite_cache,
	desc="Running tokenizer on prediction dataset",
	)
	if data_args.max_predict_samples is not None:
	# During Feature creation dataset samples might increase, we will select required samples again
	max_predict_samples = min(len(predict_dataset), data_args.max_predict_samples)
	predict_dataset = predict_dataset.select(range(max_predict_samples))

	# Data collator
	# We have already padded to max length if the corresponding flag is True, otherwise we need to pad in the data
	# collator.
	data_collator = (
	default_data_collator
	if data_args.pad_to_max_length
	else DataCollatorWithPadding(tokenizer, pad_to_multiple_of=8 if training_args.fp16 else None)
	)

	# Post-processing:
	def post_processing_function(examples, features, predictions, stage="eval"):
	# Post-processing: we match the start logits and end logits to answers in the original context.
	predictions = postprocess_qa_predictions(
	examples=examples,
	features=features,
	predictions=predictions,
	version_2_with_negative=data_args.version_2_with_negative,
	n_best_size=data_args.n_best_size,
	max_answer_length=data_args.max_answer_length,
	null_score_diff_threshold=data_args.null_score_diff_threshold,
	output_dir=training_args.output_dir,
	log_level=log_level,
	prefix=stage,
	)
	# Format the result to the format the metric expects.
	if data_args.version_2_with_negative:
	formatted_predictions = [
	{"id": k, "prediction_text": v, "no_answer_probability": 0.0} for k, v in predictions.items()
	]
	else:
	formatted_predictions = [{"id": k, "prediction_text": v} for k, v in predictions.items()]

	references = [{"id": ex["id"], "answers": ex[answer_column_name]} for ex in examples]
	return EvalPrediction(predictions=formatted_predictions, label_ids=references)

	metric = load_metric("squad_v2" if data_args.version_2_with_negative else "squad")

	def compute_metrics(p: EvalPrediction):
	return metric.compute(predictions=p.predictions, references=p.label_ids)

	# Initialize our Trainer
	trainer = QuestionAnsweringTrainer(
	model=model,
	ipu_config=ipu_config,
	args=training_args,
	train_dataset=train_dataset if training_args.do_train else None,
	eval_dataset=eval_dataset if training_args.do_eval else None,
	eval_examples=eval_examples if training_args.do_eval else None,
	tokenizer=tokenizer,
	data_collator=data_collator,
	post_process_function=post_processing_function,
	compute_metrics=compute_metrics,
	)

	# Training
	if training_args.do_train:
	checkpoint = None
	if training_args.resume_from_checkpoint is not None:
	checkpoint = training_args.resume_from_checkpoint
	elif last_checkpoint is not None:
	checkpoint = last_checkpoint
	train_result = trainer.train(resume_from_checkpoint=checkpoint)
	trainer.save_model() # Saves the tokenizer too for easy upload

	metrics = train_result.metrics
	max_train_samples = (
	data_args.max_train_samples if data_args.max_train_samples is not None else len(train_dataset)
	)
	metrics["train_samples"] = min(max_train_samples, len(train_dataset))

	trainer.log_metrics("train", metrics)
	trainer.save_metrics("train", metrics)
	trainer.save_state()

	# Evaluation
	if training_args.do_eval:
	logger.info("* Evaluate *")
	metrics = trainer.evaluate()

	max_eval_samples = data_args.max_eval_samples if data_args.max_eval_samples is not None else len(eval_dataset)
	metrics["eval_samples"] = min(max_eval_samples, len(eval_dataset))

	trainer.log_metrics("eval", metrics)
	trainer.save_metrics("eval", metrics)

	# Prediction
	if training_args.do_predict:
	logger.info("* Predict *")
	results = trainer.predict(predict_dataset, predict_examples)
	metrics = results.metrics

	max_predict_samples = (
	data_args.max_predict_samples if data_args.max_predict_samples is not None else len(predict_dataset)
	)
	metrics["predict_samples"] = min(max_predict_samples, len(predict_dataset))

	trainer.log_metrics("predict", metrics)
	trainer.save_metrics("predict", metrics)

	kwargs = {"finetuned_from": model_args.model_name_or_path, "tasks": "question-answering"}
	if data_args.dataset_name is not None:
	kwargs["dataset_tags"] = data_args.dataset_name
	if data_args.dataset_config_name is not None:
	kwargs["dataset_args"] = data_args.dataset_config_name
	kwargs["dataset"] = f"{data_args.dataset_name} {data_args.dataset_config_name}"
	else:
	kwargs["dataset"] = data_args.dataset_name

	if training_args.push_to_hub:
	trainer.push_to_hub(**kwargs)
	else:
	trainer.create_model_card(**kwargs)


	def _mp_fn(index):
	# For xla_spawn (TPUs)
	main()


	if __name__ == "__main__":
	main()