vbatts/llama.cpp
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fix double bos issue (drop bos/eos tokens from jinja template)

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This commit is contained in:
Olivier Chafik 2025-02-03 13:59:16 +00:00
parent cf83623a47
commit 5d18d76b69
2 changed files with 13 additions and 4 deletions
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10
common/common.cpp
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@ -1902,6 +1902,11 @@ common_chat_templates common_chat_templates_from_model(const struct llama_model
default_template_src = CHATML_TEMPLATE_SRC;
}
}
std::string token_bos;
std::string token_eos;
// TODO: update logic that adds BOS and EOS tokens to the tokenized prompt, in favour of the template.
#if 0
auto vocab = llama_model_get_vocab(model);
const auto get_token = [&](llama_token token, const char * name, const char * jinja_variable_name) {
if (token == LLAMA_TOKEN_NULL) {
if (default_template_src.find(jinja_variable_name) != std::string::npos
@ -1913,8 +1918,9 @@ common_chat_templates common_chat_templates_from_model(const struct llama_model
return common_token_to_piece(vocab, token, true);
}
};
auto token_bos = get_token(llama_vocab_bos(vocab), "BOS", "bos_token");
auto token_eos = get_token(llama_vocab_eos(vocab), "EOS", "eos_token");
token_bos = get_token(llama_vocab_bos(vocab), "BOS", "bos_token");
token_eos = get_token(llama_vocab_eos(vocab), "EOS", "eos_token");
#endif
return {
has_explicit_template,
std::make_unique<minja::chat_template>(default_template_src, token_bos, token_eos),