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command-r : add BPE pre-tokenization (#7063)

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* Add BPE pre-tokenization for Command-R/R+.

* Bump transformers convert requirement.

* command-r : add individual digits regex

---------

Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>
This commit is contained in:
DAN™ 2024-05-05 01:19:30 -04:00 committed by GitHub
parent 6fbd432211
commit 889bdd7686
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GPG Key ID: B5690EEEBB952194
9 changed files with 168 additions and 1 deletions
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9
convert-hf-to-gguf-update.py
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@ -66,6 +66,7 @@ models = [
{"name": "starcoder", "tokt": TOKENIZER_TYPE.BPE, "repo": "https://huggingface.co/bigcode/starcoder2-3b", },
{"name": "gpt-2", "tokt": TOKENIZER_TYPE.BPE, "repo": "https://huggingface.co/openai-community/gpt2", },
{"name": "refact", "tokt": TOKENIZER_TYPE.BPE, "repo": "https://huggingface.co/smallcloudai/Refact-1_6-base", },
{"name": "command-r", "tokt": TOKENIZER_TYPE.BPE, "repo": "https://huggingface.co/CohereForAI/c4ai-command-r-v01", },
]
# make directory "models/tokenizers" if it doesn't exist
@ -106,6 +107,14 @@ for model in models:
save_path = f"models/tokenizers/{name}/tokenizer.json"
download_file_with_auth(url, token, save_path)
# if downloaded file is less than 1KB, we likely need to download an LFS instead
if os.path.getsize(save_path) < 1024:
# remove the file
os.remove(save_path)
url = f"{repo}/resolve/main/tokenizer.json"
save_path = f"models/tokenizers/{name}/tokenizer.json"
download_file_with_auth(url, token, save_path)
if tokt == TOKENIZER_TYPE.SPM:
url = f"{repo}/resolve/main/tokenizer.model"
save_path = f"models/tokenizers/{name}/tokenizer.model"

3
convert-hf-to-gguf.py
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@ -311,6 +311,9 @@ class Model(ABC):
if chkhsh == "6221ad2852e85ce96f791f476e0b390cf9b474c9e3d1362f53a24a06dc8220ff":
# ref: https://huggingface.co/smallcloudai/Refact-1_6-base
res = "refact"
if chkhsh == "9c2227e4dd922002fb81bde4fc02b0483ca4f12911410dee2255e4987644e3f8":
# ref: https://huggingface.co/CohereForAI/c4ai-command-r-v01
res = "command-r"
if res is None:
logger.warning("\n")

4
llama.cpp
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@ -4386,6 +4386,9 @@ static void llm_load_vocab(
} else if (
tokenizer_pre == "refact") {
vocab.type_pre = LLAMA_VOCAB_PRE_TYPE_REFACT;
} else if (
tokenizer_pre == "command-r") {
vocab.type_pre = LLAMA_VOCAB_PRE_TYPE_COMMAND_R;
} else {
throw std::runtime_error(format("unknown pre-tokenizer type: '%s'", tokenizer_pre.c_str()));
}
@ -12238,6 +12241,7 @@ struct llm_tokenizer_bpe {
break;
case LLAMA_VOCAB_PRE_TYPE_STARCODER:
case LLAMA_VOCAB_PRE_TYPE_REFACT:
case LLAMA_VOCAB_PRE_TYPE_COMMAND_R:
word_collection = unicode_regex_split(text, {
"\\p{N}",
"'s|'t|'re|'ve|'m|'ll|'d| ?\\p{L}+| ?\\p{N}+| ?[^\\s\\p{L}\\p{N}]+|\\s+(?!\\S)",

1
llama.h
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@ -80,6 +80,7 @@ extern "C" {
LLAMA_VOCAB_PRE_TYPE_STARCODER = 6,
LLAMA_VOCAB_PRE_TYPE_GPT2 = 7,
LLAMA_VOCAB_PRE_TYPE_REFACT = 8,
LLAMA_VOCAB_PRE_TYPE_COMMAND_R = 9,
};
// note: these values should be synchronized with ggml_rope

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models/ggml-vocab-command-r.gguf Normal file
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models/ggml-vocab-command-r.gguf.inp Normal file
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@ -0,0 +1,106 @@
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models/ggml-vocab-command-r.gguf.out Normal file
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2
requirements/requirements-convert.txt
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@ -1,5 +1,5 @@
numpy~=1.24.4
sentencepiece~=0.1.98
transformers>=4.35.2,<5.0.0
transformers>=4.40.1,<5.0.0
gguf>=0.1.0
protobuf>=4.21.0,<5.0.0

1
tests/CMakeLists.txt
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@ -83,6 +83,7 @@ llama_test(test-tokenizer-0 NAME test-tokenizer-0-bert-bge ARGS ${CMAKE
llama_test(test-tokenizer-0 NAME test-tokenizer-0-starcoder ARGS ${CMAKE_CURRENT_SOURCE_DIR}/../models/ggml-vocab-starcoder.gguf)
llama_test(test-tokenizer-0 NAME test-tokenizer-0-gpt-2 ARGS ${CMAKE_CURRENT_SOURCE_DIR}/../models/ggml-vocab-gpt-2.gguf)
llama_test(test-tokenizer-0 NAME test-tokenizer-0-refact ARGS ${CMAKE_CURRENT_SOURCE_DIR}/../models/ggml-vocab-refact.gguf)
llama_test(test-tokenizer-0 NAME test-tokenizer-0-command-r ARGS ${CMAKE_CURRENT_SOURCE_DIR}/../models/ggml-vocab-command-r.gguf)
# build test-tokenizer-1-bpe target once and add many tests
add_executable(test-tokenizer-1-bpe test-tokenizer-1-bpe.cpp)