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9 changes: 9 additions & 0 deletions scripts/question_answering/run_squad.py
Original file line number Diff line number Diff line change
Expand Up @@ -126,6 +126,8 @@ def parse_args():
'may increase for mixed precision training on GPUs with TensorCores.')
parser.add_argument('--overwrite_cache', action='store_true',
help='Whether to overwrite the feature cache.')
parser.add_argument('--sort_input_data', action='store_true',
help='Whether to sort input data before evaluation.')
# Evaluation hyperparameters
parser.add_argument('--start_top_n', type=int, default=5,
help='Number of start-position candidates')
Expand Down Expand Up @@ -837,6 +839,8 @@ def evaluate(args, last=True):

logging.info('Prepare dev data')
dev_features = get_squad_features(args, tokenizer, segment='dev')
if args.sort_input_data:
dev_features.sort(key=lambda x: x.qas_id)
dev_data_path = os.path.join(args.data_dir, 'dev-v{}.json'.format(args.version))
dataset_processor = SquadDatasetProcessor(tokenizer=tokenizer,
doc_stride=args.doc_stride,
Expand All @@ -848,6 +852,8 @@ def evaluate(args, last=True):
chunk_features = dataset_processor.process_sample(feature)
dev_all_chunk_features.extend(chunk_features)
dev_chunk_feature_ptr.append(dev_chunk_feature_ptr[-1] + len(chunk_features))
if args.sort_input_data:
dev_all_chunk_features.sort(key=lambda x: x.valid_length, reverse=True)

def eval_validation(ckpt_name, best_eval):
"""
Expand Down Expand Up @@ -912,6 +918,9 @@ def eval_validation(ckpt_name, best_eval):
all_predictions = collections.OrderedDict()
all_nbest_json = collections.OrderedDict()
no_answer_score_json = collections.OrderedDict()
if args.sort_input_data:
all_results.sort(key=lambda x: x.qas_id)
dev_all_chunk_features.sort(key=lambda x: x.qas_id)
for index, (left_index, right_index) in enumerate(zip(dev_chunk_feature_ptr[:-1],
dev_chunk_feature_ptr[1:])):
chunked_features = dev_all_chunk_features[left_index:right_index]
Expand Down