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Add --use_fast option (closes #3741)
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@ -269,6 +269,7 @@ Optionally, you can use the following command-line flags:
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| `--xformers` | Use xformer's memory efficient attention. This should increase your tokens/s. |
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| `--sdp-attention` | Use torch 2.0's sdp attention. |
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| `--trust-remote-code` | Set trust_remote_code=True while loading a model. Necessary for ChatGLM and Falcon. |
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| `--use_fast` | Set use_fast=True while loading a tokenizer. |
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#### Accelerate 4-bit
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@ -20,6 +20,7 @@ loaders_and_params = OrderedDict({
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'quant_type',
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'compute_dtype',
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'trust_remote_code',
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'use_fast',
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'alpha_value',
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'rope_freq_base',
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'compress_pos_emb',
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@ -33,6 +34,7 @@ loaders_and_params = OrderedDict({
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'rope_freq_base',
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'compress_pos_emb',
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'cfg_cache',
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'use_fast',
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'exllama_HF_info',
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],
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'ExLlamav2_HF': [
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@ -41,6 +43,7 @@ loaders_and_params = OrderedDict({
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'cfg_cache',
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'alpha_value',
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'compress_pos_emb',
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'use_fast',
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],
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'ExLlama': [
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'gpu_split',
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@ -71,6 +74,7 @@ loaders_and_params = OrderedDict({
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'disk',
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'auto_devices',
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'trust_remote_code',
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'use_fast',
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'autogptq_info',
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],
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'GPTQ-for-LLaMa': [
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@ -78,6 +82,7 @@ loaders_and_params = OrderedDict({
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'groupsize',
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'model_type',
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'pre_layer',
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'use_fast',
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'gptq_for_llama_info',
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],
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'llama.cpp': [
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@ -111,6 +116,7 @@ loaders_and_params = OrderedDict({
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'compress_pos_emb',
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'cpu',
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'cfg_cache',
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'use_fast',
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'llamacpp_HF_info',
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],
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'ctransformers': [
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@ -99,18 +99,14 @@ def load_tokenizer(model_name, model):
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if any(s in model_name.lower() for s in ['gpt-4chan', 'gpt4chan']) and Path(f"{shared.args.model_dir}/gpt-j-6B/").exists():
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tokenizer = AutoTokenizer.from_pretrained(Path(f"{shared.args.model_dir}/gpt-j-6B/"))
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elif path_to_model.exists():
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try:
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tokenizer = AutoTokenizer.from_pretrained(
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path_to_model,
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trust_remote_code=shared.args.trust_remote_code,
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use_fast=False
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)
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except ValueError:
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tokenizer = AutoTokenizer.from_pretrained(
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path_to_model,
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trust_remote_code=shared.args.trust_remote_code,
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use_fast=True
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)
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if shared.args.use_fast:
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logger.info('Loading the tokenizer with use_fast=True.')
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tokenizer = AutoTokenizer.from_pretrained(
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path_to_model,
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trust_remote_code=shared.args.trust_remote_code,
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use_fast=shared.args.use_fast
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)
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return tokenizer
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@ -249,10 +245,13 @@ def llamacpp_HF_loader(model_name):
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logger.error("Could not load the model because a tokenizer in transformers format was not found. Please download oobabooga/llama-tokenizer.")
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return None, None
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if shared.args.use_fast:
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logger.info('Loading the tokenizer with use_fast=True.')
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tokenizer = AutoTokenizer.from_pretrained(
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path,
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trust_remote_code=shared.args.trust_remote_code,
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use_fast=False
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use_fast=shared.args.use_fast
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)
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model = LlamacppHF.from_pretrained(model_name)
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@ -105,6 +105,7 @@ parser.add_argument('--no-cache', action='store_true', help='Set use_cache to Fa
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parser.add_argument('--xformers', action='store_true', help="Use xformer's memory efficient attention. This should increase your tokens/s.")
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parser.add_argument('--sdp-attention', action='store_true', help="Use torch 2.0's sdp attention.")
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parser.add_argument('--trust-remote-code', action='store_true', help="Set trust_remote_code=True while loading a model. Necessary for ChatGLM and Falcon.")
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parser.add_argument('--use_fast', action='store_true', help="Set use_fast=True while loading a tokenizer.")
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# Accelerate 4-bit
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parser.add_argument('--load-in-4bit', action='store_true', help='Load the model with 4-bit precision (using bitsandbytes).')
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@ -52,6 +52,7 @@ def list_model_elements():
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'bf16',
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'load_in_8bit',
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'trust_remote_code',
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'use_fast',
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'load_in_4bit',
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'compute_dtype',
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'quant_type',
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@ -115,6 +115,7 @@ def create_ui():
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shared.gradio['tensor_split'] = gr.Textbox(label='tensor_split', info='Split the model across multiple GPUs, comma-separated list of proportions, e.g. 18,17')
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shared.gradio['llama_cpp_seed'] = gr.Number(label='Seed (0 for random)', value=shared.args.llama_cpp_seed)
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shared.gradio['trust_remote_code'] = gr.Checkbox(label="trust-remote-code", value=shared.args.trust_remote_code, info='Make sure to inspect the .py files inside the model folder before loading it with this option enabled.')
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shared.gradio['use_fast'] = gr.Checkbox(label="use_fast", value=shared.args.use_fast, info='Set use_fast=True while loading the tokenizer. May trigger a conversion that takes several minutes.')
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shared.gradio['disable_exllama'] = gr.Checkbox(label="disable_exllama", value=shared.args.disable_exllama, info='Disable ExLlama kernel.')
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shared.gradio['gptq_for_llama_info'] = gr.Markdown('GPTQ-for-LLaMa support is currently only kept for compatibility with older GPUs. AutoGPTQ or ExLlama is preferred when compatible. GPTQ-for-LLaMa is installed by default with the webui on supported systems. Otherwise, it has to be installed manually following the instructions here: [instructions](https://github.com/oobabooga/text-generation-webui/blob/main/docs/GPTQ-models-(4-bit-mode).md#installation-1).')
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shared.gradio['exllama_info'] = gr.Markdown('For more information, consult the [docs](https://github.com/oobabooga/text-generation-webui/blob/main/docs/ExLlama.md).')
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