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llama : add UNKNOWN tokens in the special tokens cache

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Francis Couture-Harpin 2024-07-08 21:23:19 -04:00
parent d4df785868
commit 98edea60bc
1 changed files with 3 additions and 3 deletions
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src/llama.cpp
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@ -5641,7 +5641,7 @@ static void llm_load_vocab(
// build special tokens cache // build special tokens cache
{ {
for (llama_vocab::id id = 0; id < (llama_vocab::id)n_vocab; ++id) { for (llama_vocab::id id = 0; id < (llama_vocab::id)n_vocab; ++id) {
if (vocab.id_to_token[id].attr & (LLAMA_TOKEN_ATTR_CONTROL | LLAMA_TOKEN_ATTR_USER_DEFINED)) { if (vocab.id_to_token[id].attr & (LLAMA_TOKEN_ATTR_CONTROL | LLAMA_TOKEN_ATTR_USER_DEFINED | LLAMA_TOKEN_ATTR_UNKNOWN)) {
vocab.cache_special_tokens.push_back(id); vocab.cache_special_tokens.push_back(id);
} }
} }
@ -16168,8 +16168,8 @@ static void tokenizer_st_partition(const llama_vocab & vocab, std::forward_list<
const auto & data = vocab.id_to_token[special_id]; const auto & data = vocab.id_to_token[special_id];
const auto & special_token = data.text; const auto & special_token = data.text;
if (!parse_special && (data.attr & LLAMA_TOKEN_ATTR_CONTROL)) { if (!parse_special && (data.attr & (LLAMA_TOKEN_ATTR_CONTROL | LLAMA_TOKEN_ATTR_UNKNOWN))) {
// Only ignore control tokens when parse_special == false // Ignore control and unknown tokens when parse_special == false
continue; continue;
// User-defined tokens are still pre-tokenized before everything else // User-defined tokens are still pre-tokenized before everything else
// ref: https://github.com/huggingface/tokenizers/blob/fdd26ba9a3f0c133427aab0423888cbde91362d7/tokenizers/src/tokenizer/mod.rs#L726 // ref: https://github.com/huggingface/tokenizers/blob/fdd26ba9a3f0c133427aab0423888cbde91362d7/tokenizers/src/tokenizer/mod.rs#L726