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Add Falcon3 support and Fix issue #10875 #10883

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Add Falcon3 support and Fix issue #10875 #10883

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d146334
Add Falcon3 model support
mokeddembillel Dec 17, 2024
fc05540
Add fix for adding bos to added special tokens
mokeddembillel Dec 18, 2024
b3d022a
Add comment explaining the logic behind the if statement
mokeddembillel Dec 18, 2024
d8d2f37
Add a log message to better track the when the following line of code…
mokeddembillel Dec 18, 2024
92e41ec
Update log to only print when input and output characters are different
mokeddembillel Dec 18, 2024
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8 changes: 8 additions & 0 deletions convert_hf_to_gguf.py
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Original file line number Diff line number Diff line change
Expand Up @@ -525,6 +525,11 @@ def get_vocab_base(self) -> tuple[list[str], list[int], str]:
else:
token: str = reverse_vocab[i]
if token in added_vocab:
# We need to manually encode and decode the added tokens in case special characters
# used for `\n` / `\t` have been manually added in the added tokens
if len(token) == 1:
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Suggested change
if len(token) == 1:
# To avoid unexpected issues - we make sure to encode single-char tokens
if len(token) == 1:

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I'm looking at the Falcon tokenizer and I don't see any added tokens that have \n or \t: https://huggingface.co/tiiuae/Falcon3-7B-Instruct/raw/main/tokenizer.json

For which tokens does this change make a difference?

Maybe also add some logs to know when this path is being triggered so we can spot any potential problems with other models.

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@younesbelkada younesbelkada Dec 18, 2024 •
edited
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Chiming in here ! The added token is

    {
      "id": 12,
      "content": "Ċ",
      "single_word": false,
      "lstrip": false,
      "rstrip": false,
      "normalized": false,
      "special": false
    }

(\t is the id 13)
the only way to convert it properly to \n is to encode / decode using the tokenizer

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I just added a log message inside the if statement.

token = tokenizer.decode(tokenizer.encode(token, add_special_tokens=False))

if tokenizer.added_tokens_decoder[i].special or self.does_token_look_special(token):
toktypes.append(gguf.TokenType.CONTROL)
else:
Expand Down Expand Up @@ -571,6 +576,9 @@ def get_vocab_base_pre(self, tokenizer) -> str:
if chkhsh == "8aeee3860c56296a157a1fe2fad249ec40aa59b1bb5709f4ade11c4e6fe652ed":
# ref: https://huggingface.co/tiiuae/falcon-7b
res = "falcon"
if chkhsh == "9d032fcbd5501f4a38150912590928bfb36091efb5df11b8e2124b0390e3fb1e":
# ref: https://huggingface.co/tiiuae/Falcon3-7B-Base
res = "falcon3"
if chkhsh == "0876d13b50744004aa9aeae05e7b0647eac9d801b5ba4668afc01e709c15e19f":
# ref: https://huggingface.co/BAAI/bge-small-en-v1.5
res = "bert-bge"
Expand Down
1 change: 1 addition & 0 deletions convert_hf_to_gguf_update.py
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Expand Up @@ -72,6 +72,7 @@ class TOKENIZER_TYPE(IntEnum):
{"name": "deepseek-coder", "tokt": TOKENIZER_TYPE.BPE, "repo": "https://huggingface.co/deepseek-ai/deepseek-coder-6.7b-base", },
{"name": "falcon", "tokt": TOKENIZER_TYPE.BPE, "repo": "https://huggingface.co/tiiuae/falcon-7b", },
{"name": "bert-bge", "tokt": TOKENIZER_TYPE.WPM, "repo": "https://huggingface.co/BAAI/bge-small-en-v1.5", },
{"name": "falcon3", "tokt": TOKENIZER_TYPE.BPE, "repo": "https://huggingface.co/tiiuae/Falcon3-7B-Base", },
{"name": "bert-bge-large", "tokt": TOKENIZER_TYPE.BPE, "repo": "https://huggingface.co/BAAI/bge-large-zh-v1.5", },
{"name": "mpt", "tokt": TOKENIZER_TYPE.BPE, "repo": "https://huggingface.co/mosaicml/mpt-7b", },
{"name": "starcoder", "tokt": TOKENIZER_TYPE.BPE, "repo": "https://huggingface.co/bigcode/starcoder2-3b", },
Expand Down
18 changes: 18 additions & 0 deletions src/llama.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1612,6 +1612,7 @@ 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,
Expand Down Expand Up @@ -1644,6 +1645,7 @@ 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 },
Expand Down Expand Up @@ -6473,6 +6475,11 @@ static void llm_load_vocab(
} else if (
tokenizer_pre == "falcon") {
vocab.type_pre = LLAMA_VOCAB_PRE_TYPE_FALCON;
} else if (
tokenizer_pre == "falcon3") {
vocab.type_pre = LLAMA_VOCAB_PRE_TYPE_LLAMA3;
vocab.tokenizer_ignore_merges = true;
vocab.tokenizer_add_bos = true;
} else if (
tokenizer_pre == "mpt") {
vocab.type_pre = LLAMA_VOCAB_PRE_TYPE_MPT;
Expand Down Expand Up @@ -22219,6 +22226,8 @@ 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']")) {
Expand Down Expand Up @@ -22371,6 +22380,15 @@ 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) {
Expand Down
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