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Fix the bug related to word splitting errors in the "tokenize" function. #760

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merged 1 commit into from
Apr 14, 2023
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Fix the bug related to word splitting errors in the "tokenize" function. #760

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17 changes: 6 additions & 11 deletions whisper.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2451,25 +2451,20 @@ static std::vector<whisper_vocab::id> tokenize(const whisper_vocab & vocab, cons
int n = word.size();
while (i < n) {
int j = n;
bool found = false;
while (j > i) {
auto it = vocab.token_to_id.find(word.substr(i, j-i));
auto sub = word.substr(i, j-i);
auto it = vocab.token_to_id.find(sub);
if (it != vocab.token_to_id.end()) {
tokens.push_back(it->second);
i = j;
found = true;
break;
}
--j;
}
if (i == n) {
break;
}
if (j == i) {
auto sub = word.substr(i, 1);
if (vocab.token_to_id.find(sub) != vocab.token_to_id.end()) {
tokens.push_back(vocab.token_to_id.at(sub));
} else {
fprintf(stderr, "%s: unknown token '%s'\n", __func__, sub.data());
}
if (!found) {
fprintf(stderr, "unknown token \n");
++i;
}
}
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