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⚡️ Speed up function flatten_list by 26% #1

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⚡️ Speed up function flatten_list by 26% #1

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9 changes: 5 additions & 4 deletions lamorel/src/lamorel/server/llms/utils/sequence_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,10 +3,11 @@
concat = lambda x, y: x + y
concat_all = lambda xs: reduce(concat, xs, [])


def flatten_list(seqs):
flattened, list_map = [], []
for i, seq in enumerate(seqs):
flattened += seq
list_map += [len(seq)]
for seq in seqs:
flattened.extend(seq)
list_map.append(len(seq))

return flattened, list_map
return flattened, list_map