Remove exllamav1 loaders (#5128)

This commit is contained in:
oobabooga 2023-12-31 01:57:06 -03:00 committed by GitHub
parent 8e397915c9
commit 0e54a09bcb
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
18 changed files with 28 additions and 635 deletions

View file

@ -12,8 +12,6 @@ from modules.models import reload_model
def add_lora_to_model(lora_names):
if 'GPTQForCausalLM' in shared.model.__class__.__name__ or shared.args.loader == 'AutoGPTQ':
add_lora_autogptq(lora_names)
elif shared.model.__class__.__name__ in ['ExllamaModel', 'ExllamaHF'] or shared.args.loader == 'ExLlama':
add_lora_exllama(lora_names)
elif shared.model.__class__.__name__ in ['Exllamav2Model', 'Exllamav2HF'] or shared.args.loader == ['ExLlamav2', 'ExLlamav2_HF']:
add_lora_exllamav2(lora_names)
else:
@ -28,48 +26,6 @@ def get_lora_path(lora_name):
return Path(f"{shared.args.lora_dir}/{lora_name}")
def add_lora_exllama(lora_names):
try:
from exllama.lora import ExLlamaLora
except:
try:
from repositories.exllama.lora import ExLlamaLora
except:
logger.error("Could not find the file repositories/exllama/lora.py. Make sure that exllama is cloned inside repositories/ and is up to date.")
return
if len(lora_names) == 0:
if shared.model.__class__.__name__ == 'ExllamaModel':
shared.model.generator.lora = None
else:
shared.model.lora = None
shared.lora_names = []
return
else:
if len(lora_names) > 1:
logger.warning('ExLlama can only work with 1 LoRA at the moment. Only the first one in the list will be loaded.')
lora_path = get_lora_path(lora_names[0])
lora_config_path = lora_path / "adapter_config.json"
for file_name in ["adapter_model.safetensors", "adapter_model.bin"]:
file_path = lora_path / file_name
if file_path.is_file():
lora_adapter_path = file_path
logger.info("Applying the following LoRAs to {}: {}".format(shared.model_name, ', '.join([lora_names[0]])))
if shared.model.__class__.__name__ == 'ExllamaModel':
lora = ExLlamaLora(shared.model.model, str(lora_config_path), str(lora_adapter_path))
shared.model.generator.lora = lora
else:
lora = ExLlamaLora(shared.model.ex_model, str(lora_config_path), str(lora_adapter_path))
shared.model.lora = lora
shared.lora_names = [lora_names[0]]
return
def add_lora_exllamav2(lora_names):
from exllamav2 import ExLlamaV2Lora

View file

@ -1,237 +0,0 @@
from pathlib import Path
import torch
import torch.nn.functional as F
from torch import version as torch_version
from modules import shared
from modules.logging_colors import logger
from modules.models import clear_torch_cache
from modules.text_generation import get_max_prompt_length
try:
from exllama.generator import ExLlamaGenerator
from exllama.model import ExLlama, ExLlamaCache, ExLlamaConfig
from exllama.tokenizer import ExLlamaTokenizer
except:
logger.warning('exllama module failed to import. Will attempt to import from repositories/.')
try:
from modules.relative_imports import RelativeImport
with RelativeImport("repositories/exllama"):
from generator import ExLlamaGenerator
from model import ExLlama, ExLlamaCache, ExLlamaConfig
from tokenizer import ExLlamaTokenizer
except:
logger.error(
"Could not find repositories/exllama. Please ensure that exllama"
" (https://github.com/turboderp/exllama) is cloned inside repositories/ and is up to date."
)
raise
class ExllamaModel:
def __init__(self):
pass
@classmethod
def from_pretrained(self, path_to_model):
path_to_model = Path(f'{shared.args.model_dir}') / Path(path_to_model)
tokenizer_model_path = path_to_model / "tokenizer.model"
model_config_path = path_to_model / "config.json"
# Find the model checkpoint
model_path = None
for ext in ['.safetensors', '.pt', '.bin']:
found = list(path_to_model.glob(f"*{ext}"))
if len(found) > 0:
if len(found) > 1:
logger.warning(f'More than one {ext} model has been found. The last one will be selected. It could be wrong.')
model_path = found[-1]
break
config = ExLlamaConfig(str(model_config_path))
config.model_path = str(model_path)
config.max_seq_len = shared.args.max_seq_len
config.compress_pos_emb = shared.args.compress_pos_emb
if shared.args.gpu_split:
config.set_auto_map(shared.args.gpu_split)
config.gpu_peer_fix = True
if shared.args.alpha_value > 1 and shared.args.rope_freq_base == 0:
config.alpha_value = shared.args.alpha_value
config.calculate_rotary_embedding_base()
elif shared.args.rope_freq_base > 0:
config.rotary_embedding_base = shared.args.rope_freq_base
if torch_version.hip:
config.rmsnorm_no_half2 = True
config.rope_no_half2 = True
config.matmul_no_half2 = True
config.silu_no_half2 = True
model = ExLlama(config)
tokenizer = ExLlamaTokenizer(str(tokenizer_model_path))
cache = ExLlamaCache(model)
generator = ExLlamaGenerator(model, tokenizer, cache)
result = self()
result.config = config
result.model = model
result.cache = cache
result.tokenizer = tokenizer
result.generator = generator
return result, result
def encode(self, string, **kwargs):
return self.tokenizer.encode(string, max_seq_len=self.model.config.max_seq_len, add_bos=True)
def decode(self, ids, **kwargs):
if isinstance(ids, list):
ids = torch.tensor([ids])
elif isinstance(ids, torch.Tensor) and ids.numel() == 1:
ids = ids.view(1, -1)
return self.tokenizer.decode(ids)[0]
def get_logits(self, token_ids, **kwargs):
self.cache.current_seq_len = 0
if token_ids.shape[-1] > 1:
self.model.forward(token_ids[:, :-1], self.cache, input_mask=None, preprocess_only=True)
return self.model.forward(token_ids[:, -1:], self.cache, **kwargs).float().cpu()
def generate_with_streaming(self, prompt, state):
# The cache batch size must be 2 for CFG and 1 otherwise
if state['guidance_scale'] == 1:
if self.cache.batch_size == 2:
del self.cache
clear_torch_cache()
self.cache = ExLlamaCache(self.model)
self.generator = ExLlamaGenerator(self.model, self.tokenizer, self.cache)
else:
if self.cache.batch_size == 1:
del self.cache
clear_torch_cache()
self.cache = ExLlamaCache(self.model, batch_size=2)
self.generator = ExLlamaGenerator(self.model, self.tokenizer, self.cache)
self.generator.settings.temperature = state['temperature']
self.generator.settings.top_p = state['top_p']
self.generator.settings.top_k = state['top_k']
self.generator.settings.typical = state['typical_p']
self.generator.settings.token_repetition_penalty_max = state['repetition_penalty']
self.generator.settings.token_repetition_penalty_sustain = -1 if state['repetition_penalty_range'] <= 0 else state['repetition_penalty_range']
if state['ban_eos_token']:
self.generator.disallow_tokens([self.tokenizer.eos_token_id])
else:
self.generator.disallow_tokens(None)
if state['custom_token_bans']:
to_ban = [int(x) for x in state['custom_token_bans'].split(',')]
if len(to_ban) > 0:
self.generator.disallow_tokens(to_ban)
# Case 1: no CFG
if state['guidance_scale'] == 1:
self.generator.end_beam_search()
# Tokenizing the input
ids = self.generator.tokenizer.encode(prompt, max_seq_len=self.model.config.max_seq_len)
if state['add_bos_token']:
ids = torch.cat(
[torch.tensor([[self.tokenizer.bos_token_id]]).to(ids.device),
ids], dim=1
).to(torch.int64)
ids = ids[:, -get_max_prompt_length(state):]
if state['auto_max_new_tokens']:
max_new_tokens = state['truncation_length'] - ids.shape[-1]
else:
max_new_tokens = state['max_new_tokens']
self.generator.gen_begin_reuse(ids)
initial_len = self.generator.sequence[0].shape[0]
has_leading_space = False
for i in range(max_new_tokens):
token = self.generator.gen_single_token()
if i == 0 and self.generator.tokenizer.tokenizer.IdToPiece(int(token)).startswith(''):
has_leading_space = True
decoded_text = self.generator.tokenizer.decode(self.generator.sequence[0][initial_len:])
if has_leading_space:
decoded_text = ' ' + decoded_text
# Check the partial unicode character
if chr(0xfffd) in decoded_text:
is_last = i == max_new_tokens - 1
is_stopping = token.item() == self.generator.tokenizer.eos_token_id or shared.stop_everything
# If we are not at the end of the generation, we skip this token
if not (is_last or is_stopping):
continue
if token.item() == self.generator.tokenizer.eos_token_id or shared.stop_everything:
break
yield decoded_text
# Case 2: CFG
# Copied from https://github.com/turboderp/exllama/blob/master/example_cfg.py
else:
alpha = state['guidance_scale']
prompts = [prompt, state['negative_prompt'] or '']
ids, mask = self.tokenizer.encode(
prompts,
return_mask=True,
max_seq_len=self.model.config.max_seq_len,
add_bos=state['add_bos_token']
)
if state['auto_max_new_tokens']:
max_new_tokens = state['truncation_length'] - ids[0].shape[-1]
else:
max_new_tokens = state['max_new_tokens']
self.generator.gen_begin(ids, mask=mask)
initial_len = self.generator.sequence[0].shape[0]
has_leading_space = False
for i in range(max_new_tokens):
logits = self.model.forward(self.generator.sequence[:, -1:], self.cache, input_mask=mask)
self.generator.apply_rep_penalty(logits)
logits = F.log_softmax(logits, dim=-1)
logits_mixed = alpha * logits[0] + (1 - alpha) * logits[1]
token, _ = self.generator.sample_current(logits_mixed)
if i == 0 and self.generator.tokenizer.tokenizer.IdToPiece(int(token)).startswith(''):
has_leading_space = True
decoded_text = self.generator.tokenizer.decode(self.generator.sequence[0][initial_len:])
if has_leading_space:
decoded_text = ' ' + decoded_text
# Check the partial unicode character
if chr(0xfffd) in decoded_text:
is_last = i == max_new_tokens - 1
is_stopping = token.item() == self.tokenizer.eos_token_id or shared.stop_everything
# If we are not at the end of the generation, we skip this token
if not (is_last or is_stopping):
continue
yield decoded_text
if token.item() == self.tokenizer.eos_token_id or shared.stop_everything:
break
batch_token = token.repeat(2, 1)
self.generator.gen_accept_token(batch_token)
def generate(self, prompt, state):
output = ''
for output in self.generate_with_streaming(prompt, state):
pass
return output

View file

@ -1,174 +0,0 @@
import os
from pathlib import Path
from typing import Any, Dict, Optional, Union
import torch
from torch.nn import CrossEntropyLoss
from transformers import GenerationConfig, PretrainedConfig, PreTrainedModel
from transformers.modeling_outputs import CausalLMOutputWithPast
from modules import shared
from modules.logging_colors import logger
try:
from exllama.model import ExLlama, ExLlamaCache, ExLlamaConfig
except:
logger.warning('Exllama module failed to load. Will attempt to load from repositories.')
try:
from modules.relative_imports import RelativeImport
with RelativeImport("repositories/exllama"):
from model import ExLlama, ExLlamaCache, ExLlamaConfig
except:
logger.error("Could not find repositories/exllama/. Make sure that exllama is cloned inside repositories/ and is up to date.")
raise
class ExllamaHF(PreTrainedModel):
def __init__(self, config: ExLlamaConfig):
super().__init__(PretrainedConfig())
self.ex_config = config
self.ex_model = ExLlama(self.ex_config)
self.generation_config = GenerationConfig()
self.lora = None
self.ex_cache = ExLlamaCache(self.ex_model)
self.past_seq = None
if shared.args.cfg_cache:
self.ex_cache_negative = ExLlamaCache(self.ex_model)
self.past_seq_negative = None
def _validate_model_class(self):
pass
def _validate_model_kwargs(self, model_kwargs: Dict[str, Any]):
pass
def prepare_inputs_for_generation(self, input_ids, **kwargs):
return {'input_ids': input_ids, **kwargs}
@property
def device(self) -> torch.device:
return torch.device(0)
def __call__(self, *args, **kwargs):
use_cache = kwargs.get('use_cache', True)
labels = kwargs.get('labels', None)
past_key_values = kwargs.get('past_key_values', None)
if len(args) > 0:
if not shared.args.cfg_cache:
logger.error("Please enable the cfg-cache option to use CFG with ExLlama_HF.")
return
input_ids = args[0]
is_negative = True
past_seq = self.past_seq_negative
ex_cache = self.ex_cache_negative
else:
input_ids = kwargs['input_ids']
is_negative = False
past_seq = self.past_seq
ex_cache = self.ex_cache
seq = input_ids[0].tolist()
if is_negative and past_key_values is not None:
seq = past_key_values + seq
seq_tensor = torch.tensor(seq)
reset = True
# Make the forward call
if labels is None:
if past_seq is not None:
min_length = min(past_seq.shape[0], seq_tensor.shape[0])
indices = torch.nonzero(~torch.eq(past_seq[:min_length], seq_tensor[:min_length]))
if len(indices) > 0:
longest_prefix = indices[0].item()
else:
longest_prefix = min_length
if longest_prefix > 0:
reset = False
ex_cache.current_seq_len = longest_prefix
if len(seq_tensor) - longest_prefix > 1:
self.ex_model.forward(seq_tensor[longest_prefix:-1].view(1, -1), ex_cache, preprocess_only=True, lora=self.lora)
elif len(seq_tensor) == longest_prefix:
# Very tricky: if the prefix we are reusing *is* the input_ids, then we have to back up the cache pointer by one,
# because we feed input_ids[-1] to forward() below, but that last token is already in the cache!
ex_cache.current_seq_len -= 1
if reset:
ex_cache.current_seq_len = 0
if len(seq_tensor) > 1:
self.ex_model.forward(seq_tensor[:-1].view(1, -1), ex_cache, preprocess_only=True, lora=self.lora)
logits = self.ex_model.forward(seq_tensor[-1:].view(1, -1), ex_cache, lora=self.lora).to(input_ids.device)
else:
ex_cache.current_seq_len = 0
logits = self.ex_model.forward(seq_tensor.view(1, -1), ex_cache, last_id_only=False, lora=self.lora)
if is_negative:
self.past_seq_negative = seq_tensor
else:
self.past_seq = seq_tensor
loss = None
if labels is not None:
# Shift so that tokens < n predict n
shift_logits = logits[..., :-1, :].contiguous()
shift_labels = labels[..., 1:].contiguous()
# Flatten the tokens
loss_fct = CrossEntropyLoss()
shift_logits = shift_logits.view(-1, logits.shape[-1])
shift_labels = shift_labels.view(-1)
# Enable model parallelism
shift_labels = shift_labels.to(shift_logits.device)
loss = loss_fct(shift_logits, shift_labels)
return CausalLMOutputWithPast(logits=logits, past_key_values=seq if use_cache else None, loss=loss)
@classmethod
def from_pretrained(cls, pretrained_model_name_or_path: Optional[Union[str, os.PathLike]], *model_args, **kwargs):
assert len(model_args) == 0 and len(kwargs) == 0, "extra args is currently not supported"
if isinstance(pretrained_model_name_or_path, str):
pretrained_model_name_or_path = Path(pretrained_model_name_or_path)
pretrained_model_name_or_path = Path(f'{shared.args.model_dir}') / Path(pretrained_model_name_or_path)
config = ExLlamaConfig(pretrained_model_name_or_path / 'config.json')
# from 'oobabooga/text-generation-webui/modules/exllama.py'
weight_path = None
for ext in ['.safetensors', '.pt', '.bin']:
found = list(pretrained_model_name_or_path.glob(f"*{ext}"))
if len(found) > 0:
weight_path = found[-1]
break
assert weight_path is not None, f'could not find weight in "{pretrained_model_name_or_path}"'
config.model_path = str(weight_path)
config.max_seq_len = shared.args.max_seq_len
config.compress_pos_emb = shared.args.compress_pos_emb
if shared.args.gpu_split:
config.set_auto_map(shared.args.gpu_split)
config.gpu_peer_fix = True
if shared.args.alpha_value > 1 and shared.args.rope_freq_base == 0:
config.alpha_value = shared.args.alpha_value
config.calculate_rotary_embedding_base()
elif shared.args.rope_freq_base > 0:
config.rotary_embedding_base = shared.args.rope_freq_base
if torch.version.hip:
config.rmsnorm_no_half2 = True
config.rope_no_half2 = True
config.matmul_no_half2 = True
config.silu_no_half2 = True
# This slowes down a bit but align better with autogptq generation.
# TODO: Should give user choice to tune the exllama config
# config.fused_attn = False
# config.fused_mlp_thd = 0
return ExllamaHF(config)

View file

@ -81,15 +81,15 @@ loaders_and_params = OrderedDict({
'trust_remote_code',
'no_use_fast',
],
'ExLlama_HF': [
'ExLlamav2': [
'gpu_split',
'max_seq_len',
'no_flash_attn',
'num_experts_per_token',
'cache_8bit',
'alpha_value',
'rope_freq_base',
'compress_pos_emb',
'cfg_cache',
'trust_remote_code',
'no_use_fast',
'exllamav2_info',
],
'AutoGPTQ': [
'triton',
@ -128,24 +128,6 @@ loaders_and_params = OrderedDict({
'no_use_fast',
'gptq_for_llama_info',
],
'ExLlamav2': [
'gpu_split',
'max_seq_len',
'no_flash_attn',
'num_experts_per_token',
'cache_8bit',
'alpha_value',
'compress_pos_emb',
'exllamav2_info',
],
'ExLlama': [
'gpu_split',
'max_seq_len',
'alpha_value',
'rope_freq_base',
'compress_pos_emb',
'exllama_info',
],
'ctransformers': [
'n_ctx',
'n_gpu_layers',
@ -216,54 +198,6 @@ loaders_samplers = {
'AutoAWQ': transformers_samplers(),
'QuIP#': transformers_samplers(),
'HQQ': transformers_samplers(),
'ExLlama_HF': {
'temperature',
'temperature_last',
'top_p',
'min_p',
'top_k',
'typical_p',
'epsilon_cutoff',
'eta_cutoff',
'tfs',
'top_a',
'repetition_penalty',
'presence_penalty',
'frequency_penalty',
'repetition_penalty_range',
'encoder_repetition_penalty',
'no_repeat_ngram_size',
'min_length',
'seed',
'do_sample',
'mirostat_mode',
'mirostat_tau',
'mirostat_eta',
'grammar_file_row',
'grammar_string',
'guidance_scale',
'negative_prompt',
'ban_eos_token',
'custom_token_bans',
'add_bos_token',
'skip_special_tokens',
'auto_max_new_tokens',
},
'ExLlama': {
'temperature',
'top_p',
'top_k',
'typical_p',
'repetition_penalty',
'repetition_penalty_range',
'seed',
'guidance_scale',
'negative_prompt',
'ban_eos_token',
'add_bos_token',
'custom_token_bans',
'auto_max_new_tokens',
},
'ExLlamav2': {
'temperature',
'top_p',

View file

@ -14,11 +14,10 @@ def get_next_logits(prompt, state, use_samplers, previous, top_logits=50, return
return 'Error: No model is loaded1 Select one in the Model tab.', previous
is_non_hf_exllamav2 = shared.model.__class__.__name__ == 'Exllamav2Model'
is_non_hf_exllamav1 = shared.model.__class__.__name__ == 'ExllamaModel'
is_non_hf_llamacpp = shared.model.__class__.__name__ == 'LlamaCppModel'
if use_samplers:
if any([is_non_hf_exllamav2, is_non_hf_exllamav1, is_non_hf_llamacpp]):
if any([is_non_hf_exllamav2, is_non_hf_llamacpp]):
logger.error("Sampler hijacking is not supported non-Huggingface loaders.")
# sampling is all done in c for exllama, so it is really hard to hijack
# it should be possible to hijack llamacpp sampler by hijacking all their sampling methods,
@ -32,7 +31,7 @@ def get_next_logits(prompt, state, use_samplers, previous, top_logits=50, return
scores = sampler_hijack.global_scores[-1]
else:
if is_non_hf_exllamav2 or is_non_hf_exllamav1:
if is_non_hf_exllamav2:
if is_torch_xpu_available():
tokens = shared.tokenizer.encode(prompt).to("xpu:0")
else:
@ -51,7 +50,7 @@ def get_next_logits(prompt, state, use_samplers, previous, top_logits=50, return
probs = torch.softmax(scores, dim=-1, dtype=torch.float)
topk_values, topk_indices = torch.topk(probs, k=top_logits, largest=True, sorted=True)
if is_non_hf_exllamav1 or is_non_hf_llamacpp:
if is_non_hf_llamacpp:
topk_indices = [i.expand((1, 1)) for i in topk_indices]
if hasattr(shared.tokenizer, 'convert_ids_to_tokens'):

View file

@ -66,8 +66,6 @@ def load_model(model_name, loader=None):
'llama.cpp': llamacpp_loader,
'llamacpp_HF': llamacpp_HF_loader,
'RWKV': RWKV_loader,
'ExLlama': ExLlama_loader,
'ExLlama_HF': ExLlama_HF_loader,
'ExLlamav2': ExLlamav2_loader,
'ExLlamav2_HF': ExLlamav2_HF_loader,
'ctransformers': ctransformers_loader,
@ -382,19 +380,6 @@ def AutoGPTQ_loader(model_name):
return modules.AutoGPTQ_loader.load_quantized(model_name)
def ExLlama_loader(model_name):
from modules.exllama import ExllamaModel
model, tokenizer = ExllamaModel.from_pretrained(model_name)
return model, tokenizer
def ExLlama_HF_loader(model_name):
from modules.exllama_hf import ExllamaHF
return ExllamaHF.from_pretrained(model_name)
def ExLlamav2_loader(model_name):
from modules.exllamav2 import Exllamav2Model

View file

@ -41,13 +41,11 @@ def get_model_metadata(model):
if 'loader' not in model_settings:
if hf_metadata is not None and 'quip_params' in hf_metadata:
model_settings['loader'] = 'QuIP#'
loader = 'QuIP#'
else:
loader = infer_loader(model, model_settings)
if 'wbits' in model_settings and type(model_settings['wbits']) is int and model_settings['wbits'] > 0:
loader = 'AutoGPTQ'
model_settings['loader'] = loader
model_settings['loader'] = loader
# GGUF metadata
if model_settings['loader'] in ['llama.cpp', 'llamacpp_HF', 'ctransformers']:
@ -152,7 +150,7 @@ def infer_loader(model_name, model_settings):
if not path_to_model.exists():
loader = None
elif (path_to_model / 'quantize_config.json').exists() or ('wbits' in model_settings and type(model_settings['wbits']) is int and model_settings['wbits'] > 0):
loader = 'ExLlama_HF'
loader = 'ExLlamav2_HF'
elif (path_to_model / 'quant_config.json').exists() or re.match(r'.*-awq', model_name.lower()):
loader = 'AutoAWQ'
elif len(list(path_to_model.glob('*.gguf'))) > 0:
@ -229,7 +227,7 @@ def apply_model_settings_to_state(model, state):
loader = model_settings.pop('loader')
# If the user is using an alternative loader for the same model type, let them keep using it
if not (loader == 'AutoGPTQ' and state['loader'] in ['GPTQ-for-LLaMa', 'ExLlama', 'ExLlama_HF', 'ExLlamav2', 'ExLlamav2_HF']) and not (loader == 'llama.cpp' and state['loader'] in ['llamacpp_HF', 'ctransformers']):
if not (loader == 'ExLlamav2_HF' and state['loader'] in ['GPTQ-for-LLaMa', 'ExLlamav2', 'AutoGPTQ']) and not (loader == 'llama.cpp' and state['loader'] in ['llamacpp_HF', 'ctransformers']):
state['loader'] = loader
for k in model_settings:

View file

@ -85,7 +85,7 @@ group.add_argument('--chat-buttons', action='store_true', help='Show buttons on
# Model loader
group = parser.add_argument_group('Model loader')
group.add_argument('--loader', type=str, help='Choose the model loader manually, otherwise, it will get autodetected. Valid options: Transformers, llama.cpp, llamacpp_HF, ExLlama_HF, ExLlamav2_HF, AutoGPTQ, AutoAWQ, GPTQ-for-LLaMa, ExLlama, ExLlamav2, ctransformers, QuIP#.')
group.add_argument('--loader', type=str, help='Choose the model loader manually, otherwise, it will get autodetected. Valid options: Transformers, llama.cpp, llamacpp_HF, ExLlamav2_HF, ExLlamav2, AutoGPTQ, AutoAWQ, GPTQ-for-LLaMa, ctransformers, QuIP#.')
# Transformers/Accelerate
group = parser.add_argument_group('Transformers/Accelerate')
@ -131,7 +131,7 @@ group.add_argument('--cache-capacity', type=str, help='Maximum cache capacity (l
group = parser.add_argument_group('ExLlama')
group.add_argument('--gpu-split', type=str, help='Comma-separated list of VRAM (in GB) to use per GPU device for model layers. Example: 20,7,7.')
group.add_argument('--max_seq_len', type=int, default=2048, help='Maximum sequence length.')
group.add_argument('--cfg-cache', action='store_true', help='ExLlama_HF: Create an additional cache for CFG negative prompts. Necessary to use CFG with that loader, but not necessary for CFG with base ExLlama.')
group.add_argument('--cfg-cache', action='store_true', help='ExLlamav2_HF: Create an additional cache for CFG negative prompts. Necessary to use CFG with that loader.')
group.add_argument('--no_flash_attn', action='store_true', help='Force flash-attention to not be used.')
group.add_argument('--cache_8bit', action='store_true', help='Use 8-bit cache to save VRAM.')
group.add_argument('--num_experts_per_token', type=int, default=2, help='Number of experts to use for generation. Applies to MoE models like Mixtral.')
@ -260,8 +260,6 @@ def fix_loader_name(name):
return 'GPTQ-for-LLaMa'
elif name in ['exllama', 'ex-llama', 'ex_llama', 'exlama']:
return 'ExLlama'
elif name in ['exllama-hf', 'exllama_hf', 'exllama hf', 'ex-llama-hf', 'ex_llama_hf']:
return 'ExLlama_HF'
elif name in ['exllamav2', 'exllama-v2', 'ex_llama-v2', 'exlamav2', 'exlama-v2', 'exllama2', 'exllama-2']:
return 'ExLlamav2'
elif name in ['exllamav2-hf', 'exllamav2_hf', 'exllama-v2-hf', 'exllama_v2_hf', 'exllama-v2_hf', 'exllama2-hf', 'exllama2_hf', 'exllama-2-hf', 'exllama_2_hf', 'exllama-2_hf']:

View file

@ -44,7 +44,7 @@ def _generate_reply(question, state, stopping_strings=None, is_chat=False, escap
yield ''
return
if shared.model.__class__.__name__ in ['LlamaCppModel', 'RWKVModel', 'ExllamaModel', 'Exllamav2Model', 'CtransformersModel']:
if shared.model.__class__.__name__ in ['LlamaCppModel', 'RWKVModel', 'Exllamav2Model', 'CtransformersModel']:
generate_func = generate_reply_custom
else:
generate_func = generate_reply_HF
@ -132,7 +132,7 @@ def encode(prompt, add_special_tokens=True, add_bos_token=True, truncation_lengt
if truncation_length is not None:
input_ids = input_ids[:, -truncation_length:]
if shared.model.__class__.__name__ in ['LlamaCppModel', 'RWKVModel', 'ExllamaModel', 'Exllamav2Model', 'CtransformersModel'] or shared.args.cpu:
if shared.model.__class__.__name__ in ['LlamaCppModel', 'RWKVModel', 'Exllamav2Model', 'CtransformersModel'] or shared.args.cpu:
return input_ids
elif shared.args.deepspeed:
return input_ids.to(device=local_rank)

View file

@ -96,7 +96,7 @@ def create_ui():
shared.gradio['groupsize'] = gr.Dropdown(label="groupsize", choices=["None", 32, 64, 128, 1024], value=shared.args.groupsize if shared.args.groupsize > 0 else "None")
shared.gradio['model_type'] = gr.Dropdown(label="model_type", choices=["None"], value=shared.args.model_type or "None")
shared.gradio['pre_layer'] = gr.Slider(label="pre_layer", minimum=0, maximum=100, value=shared.args.pre_layer[0] if shared.args.pre_layer is not None else 0)
shared.gradio['autogptq_info'] = gr.Markdown('* ExLlama_HF is recommended over AutoGPTQ for models derived from Llama.')
shared.gradio['autogptq_info'] = gr.Markdown('* ExLlamav2_HF is recommended over AutoGPTQ for models derived from Llama.')
shared.gradio['gpu_split'] = gr.Textbox(label='gpu-split', info='Comma-separated list of VRAM (in GB) to use per GPU. Example: 20,7,7')
shared.gradio['max_seq_len'] = gr.Slider(label='max_seq_len', minimum=0, maximum=shared.settings['truncation_length_max'], step=256, info='Context length. Try lowering this if you run out of memory while loading the model.', value=shared.args.max_seq_len)
shared.gradio['alpha_value'] = gr.Slider(label='alpha_value', minimum=1, maximum=8, step=0.05, info='Positional embeddings alpha factor for NTK RoPE scaling. Recommended values (NTKv1): 1.75 for 1.5x context, 2.5 for 2x context. Use either this or compress_pos_emb, not both.', value=shared.args.alpha_value)
@ -134,8 +134,7 @@ def create_ui():
shared.gradio['cache_8bit'] = gr.Checkbox(label="cache_8bit", value=shared.args.cache_8bit, info='Use 8-bit cache to save VRAM.')
shared.gradio['no_use_fast'] = gr.Checkbox(label="no_use_fast", value=shared.args.no_use_fast, info='Set use_fast=False while loading the tokenizer.')
shared.gradio['num_experts_per_token'] = gr.Number(label="Number of experts per token", value=shared.args.num_experts_per_token, info='Only applies to MoE models like Mixtral.')
shared.gradio['gptq_for_llama_info'] = gr.Markdown('Legacy loader for compatibility with older GPUs. ExLlama_HF or AutoGPTQ are preferred for GPTQ models when supported.')
shared.gradio['exllama_info'] = gr.Markdown("ExLlama_HF is recommended over ExLlama for better integration with extensions and more consistent sampling behavior across loaders.")
shared.gradio['gptq_for_llama_info'] = gr.Markdown('Legacy loader for compatibility with older GPUs. ExLlamav2_HF or AutoGPTQ are preferred for GPTQ models when supported.')
shared.gradio['exllamav2_info'] = gr.Markdown("ExLlamav2_HF is recommended over ExLlamav2 for better integration with extensions and more consistent sampling behavior across loaders.")
shared.gradio['llamacpp_HF_info'] = gr.Markdown('llamacpp_HF loads llama.cpp as a Transformers model. To use it, you need to download a tokenizer.\n\nOption 1 (recommended): place your .gguf in a subfolder of models/ along with these 4 files: special_tokens_map.json, tokenizer_config.json, tokenizer.json, tokenizer.model.\n\nOption 2: download `oobabooga/llama-tokenizer` under "Download model or LoRA". That\'s a default Llama tokenizer that will work for some (but not all) models.')