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tokenization: add warning for double BOS (#7332)

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Johannes Gäßler 2024-05-17 09:59:57 +02:00 committed by GitHub
parent 359cbe3f46
commit 29c60d8cdd
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1 changed files with 14 additions and 0 deletions
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llama.cpp
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@ -12818,6 +12818,13 @@ static std::vector<llama_vocab::id> llama_tokenize_internal(const llama_vocab &
} }
} }
if (add_special && vocab.special_add_bos != 0 && output.size() >= 2 && output[1] == vocab.special_bos_id) {
LLAMA_LOG_WARN(
"%s: Added a BOS token to the prompt as specified by the model but the prompt "
"also starts with a BOS token. So now the final prompt starts with 2 BOS tokens. "
"Are you sure this is what you want?\n", __FUNCTION__);
}
if (add_special && vocab.special_add_eos == 1) { if (add_special && vocab.special_add_eos == 1) {
GGML_ASSERT(vocab.special_eos_id != -1); GGML_ASSERT(vocab.special_eos_id != -1);
output.push_back(vocab.special_eos_id); output.push_back(vocab.special_eos_id);
@ -12844,6 +12851,13 @@ static std::vector<llama_vocab::id> llama_tokenize_internal(const llama_vocab &
} }
} }
if (add_special && vocab.special_add_bos != 0 && output.size() >= 2 && output[1] == vocab.special_bos_id) {
LLAMA_LOG_WARN(
"%s: Added a BOS token to the prompt as specified by the model but the prompt "
"also starts with a BOS token. So now the final prompt starts with 2 BOS tokens. "
"Are you sure this is what you want?\n", __FUNCTION__);
}
if (add_special && vocab.special_add_eos == 1) { if (add_special && vocab.special_add_eos == 1) {
GGML_ASSERT(vocab.special_add_eos != -1); GGML_ASSERT(vocab.special_add_eos != -1);
output.push_back(vocab.special_eos_id); output.push_back(vocab.special_eos_id);