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Add assert for doc_stride, max_seq_length and max_query_length #1587

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Add assert for doc_stride, max_seq_length and max_query_length #1587

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40b5eb1
Add assert for doc_stride, max_seq_length and max_query_length
bartekkuncer Apr 7, 2022
1836ac2
Uniform assert message
bartekkuncer Apr 7, 2022
da8d8d4
Update scripts/question_answering/run_squad.py
bartekkuncer Jul 12, 2022
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7 changes: 6 additions & 1 deletion scripts/question_answering/run_squad.py
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,7 @@
CACHE_PATH = os.path.realpath(os.path.join(os.path.realpath(__file__), '..', 'cached'))
if not os.path.exists(CACHE_PATH):
os.makedirs(CACHE_PATH, exist_ok=True)
SEPARATORS = 3


def parse_args():
Expand Down Expand Up @@ -151,6 +152,10 @@ def parse_args():
'use --dtype float16, amp will be turned on in the training phase and '
'fp16 will be used in evaluation.')
args = parser.parse_args()

assert args.doc_stride <= args.max_seq_length - args.max_query_length - SEPARATORS, \
'Possible loss of data while chunking input features'

return args


Expand Down Expand Up @@ -256,7 +261,7 @@ def process_sample(self, feature: SquadFeature):
truncated_query_ids = feature.query_token_ids[:self._max_query_length]
chunks = feature.get_chunks(
doc_stride=self._doc_stride,
max_chunk_length=self._max_seq_length - len(truncated_query_ids) - 3)
max_chunk_length=self._max_seq_length - len(truncated_query_ids) - SEPARATORS)
for chunk in chunks:
data = np.array([self.cls_id] + truncated_query_ids + [self.sep_id] +
feature.context_token_ids[chunk.start:(chunk.start + chunk.length)] +
Expand Down