vbatts/llama.cpp
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llama : add Falcon3 support (#10883)

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* Add Falcon3 model support

* Add fix for adding bos to added special tokens

* Add comment explaining the logic behind the if statement

* Add a log message to better track the when the following line of code is triggered

* Update log to only print when input and output characters are different

* Fix handling pre-normalized tokens

* Refactoring
This commit is contained in:
Billel Mokeddem 2024-12-23 01:09:58 +03:00 • committed by GitHub
parent ebdee9478c
commit 7ae33a616f
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3 changed files with 29 additions and 1 deletions
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16
src/llama.cpp
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@ -1673,6 +1673,7 @@ enum llm_chat_template {
LLM_CHAT_TEMPLATE_MISTRAL_V3_TEKKEN,
LLM_CHAT_TEMPLATE_MISTRAL_V7,
LLM_CHAT_TEMPLATE_PHI_3,
LLM_CHAT_TEMPLATE_FALCON_3,
LLM_CHAT_TEMPLATE_ZEPHYR,
LLM_CHAT_TEMPLATE_MONARCH,
LLM_CHAT_TEMPLATE_GEMMA,
@ -1705,6 +1706,7 @@ static const std::map<std::string, llm_chat_template> LLM_CHAT_TEMPLATES = {
{ "mistral-v3-tekken", LLM_CHAT_TEMPLATE_MISTRAL_V3_TEKKEN },
{ "mistral-v7", LLM_CHAT_TEMPLATE_MISTRAL_V7 },
{ "phi3", LLM_CHAT_TEMPLATE_PHI_3 },
{ "falcon3", LLM_CHAT_TEMPLATE_FALCON_3 },
{ "zephyr", LLM_CHAT_TEMPLATE_ZEPHYR },
{ "monarch", LLM_CHAT_TEMPLATE_MONARCH },
{ "gemma", LLM_CHAT_TEMPLATE_GEMMA },
@ -6562,7 +6564,8 @@ static void llm_load_vocab(
} else if (
tokenizer_pre == "llama3" ||
tokenizer_pre == "llama-v3" ||
tokenizer_pre == "llama-bpe") {
tokenizer_pre == "llama-bpe"||
tokenizer_pre == "falcon3") {
vocab.type_pre = LLAMA_VOCAB_PRE_TYPE_LLAMA3;
vocab.tokenizer_ignore_merges = true;
vocab.tokenizer_add_bos = true;
@ -22615,6 +22618,8 @@ static llm_chat_template llama_chat_detect_template(const std::string & tmpl) {
}
} else if (tmpl_contains("<|assistant|>") && tmpl_contains("<|end|>")) {
return LLM_CHAT_TEMPLATE_PHI_3;
} else if (tmpl_contains("<|assistant|>") && tmpl_contains("<|user|>")) {
return LLM_CHAT_TEMPLATE_FALCON_3;
} else if (tmpl_contains("<|user|>") && tmpl_contains("<|endoftext|>")) {
return LLM_CHAT_TEMPLATE_ZEPHYR;
} else if (tmpl_contains("bos_token + message['role']")) {
@ -22767,6 +22772,15 @@ static int32_t llama_chat_apply_template_internal(
if (add_ass) {
ss << "<|assistant|>\n";
}
} else if (tmpl == LLM_CHAT_TEMPLATE_FALCON_3) {
// Falcon 3
for (auto message : chat) {
std::string role(message->role);
ss << "<|" << role << "|>\n" << message->content << "\n";
}
if (add_ass) {
ss << "<|assistant|>\n";
}
} else if (tmpl == LLM_CHAT_TEMPLATE_ZEPHYR) {
// zephyr template
for (auto message : chat) {