AI/text-generation-webui
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Merge branch 'main' of https://github.com/xanthousm/text-generation-webui

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Xan 2023-03-08 22:08:54 +11:00
commit 5648a41a27
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1
.gitignore vendored
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@ -1,6 +1,7 @@
cache/*
characters/*
extensions/silero_tts/outputs/*
extensions/elevenlabs_tts/outputs/*
logs/*
models/*
softprompts/*

14
README.md
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@ -21,12 +21,13 @@ Its goal is to become the [AUTOMATIC1111/stable-diffusion-webui](https://github.
* Advanced chat features (send images, get audio responses with TTS).
* Stream the text output in real time.
* Load parameter presets from text files.
* Load large models in 8-bit mode (see [here](https://github.com/oobabooga/text-generation-webui/issues/20#issuecomment-1411650652) and [here](https://www.reddit.com/r/PygmalionAI/comments/1115gom/running_pygmalion_6b_with_8gb_of_vram/) if you are on Windows).
* Load large models in 8-bit mode (see [here](https://github.com/oobabooga/text-generation-webui/issues/147#issuecomment-1456040134), [here](https://github.com/oobabooga/text-generation-webui/issues/20#issuecomment-1411650652) and [here](https://www.reddit.com/r/PygmalionAI/comments/1115gom/running_pygmalion_6b_with_8gb_of_vram/) if you are on Windows).
* Split large models across your GPU(s), CPU, and disk.
* CPU mode.
* [FlexGen offload](https://github.com/oobabooga/text-generation-webui/wiki/FlexGen).
* [DeepSpeed ZeRO-3 offload](https://github.com/oobabooga/text-generation-webui/wiki/DeepSpeed).
* [Get responses via API](https://github.com/oobabooga/text-generation-webui/blob/main/api-example.py).
* Get responses via API, [with](https://github.com/oobabooga/text-generation-webui/blob/main/api-example-streaming.py) or [without](https://github.com/oobabooga/text-generation-webui/blob/main/api-example.py) streaming.
* [Supports the RWKV model](https://github.com/oobabooga/text-generation-webui/wiki/RWKV-model).
* Supports softprompts.
* [Supports extensions](https://github.com/oobabooga/text-generation-webui/wiki/Extensions).
* [Works on Google Colab](https://github.com/oobabooga/text-generation-webui/wiki/Running-on-Colab).
@ -82,8 +83,8 @@ Models should be placed under `models/model-name`. For instance, `models/gpt-j-6
* [Pythia](https://huggingface.co/models?search=eleutherai/pythia)
* [OPT](https://huggingface.co/models?search=facebook/opt)
* [GALACTICA](https://huggingface.co/models?search=facebook/galactica)
* [\*-Erebus](https://huggingface.co/models?search=erebus)
* [Pygmalion](https://huggingface.co/models?search=pygmalion)
* [\*-Erebus](https://huggingface.co/models?search=erebus) (NSFW)
* [Pygmalion](https://huggingface.co/models?search=pygmalion) (NSFW)
You can automatically download a model from HF using the script `download-model.py`:
@ -149,9 +150,10 @@ Optionally, you can use the following command-line flags:
| `--deepspeed` | Enable the use of DeepSpeed ZeRO-3 for inference via the Transformers integration. |
| `--nvme-offload-dir NVME_OFFLOAD_DIR` | DeepSpeed: Directory to use for ZeRO-3 NVME offloading. |
| `--local_rank LOCAL_RANK` | DeepSpeed: Optional argument for distributed setups. |
| `--rwkv-strategy RWKV_STRATEGY` | The strategy to use while loading RWKV models. Examples: `"cpu fp32"`, `"cuda fp16"`, `"cuda fp16 *30 -> cpu fp32"`. |
| `--rwkv-strategy RWKV_STRATEGY` | RWKV: The strategy to use while loading the model. Examples: "cpu fp32", "cuda fp16", "cuda fp16i8". |
| `--rwkv-cuda-on` | RWKV: Compile the CUDA kernel for better performance. |
| `--no-stream` | Don't stream the text output in real time. This improves the text generation performance.|
| `--settings SETTINGS_FILE` | Load the default interface settings from this json file. See `settings-template.json` for an example.|
| `--settings SETTINGS_FILE` | Load the default interface settings from this json file. See `settings-template.json` for an example. If you create a file called `settings.json`, this file will be loaded by default without the need to use the `--settings` flag.|
| `--extensions EXTENSIONS [EXTENSIONS ...]` | The list of extensions to load. If you want to load more than one extension, write the names separated by spaces. |
| `--listen` | Make the web UI reachable from your local network.|
| `--listen-port LISTEN_PORT` | The listening port that the server will use. |

90
api-example-stream.py Normal file
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@ -0,0 +1,90 @@
'''
Contributed by SagsMug. Thank you SagsMug.
https://github.com/oobabooga/text-generation-webui/pull/175
'''
import asyncio
import json
import random
import string
import websockets
def random_hash():
letters = string.ascii_lowercase + string.digits
return ''.join(random.choice(letters) for i in range(9))
async def run(context):
server = "127.0.0.1"
params = {
'max_new_tokens': 200,
'do_sample': True,
'temperature': 0.5,
'top_p': 0.9,
'typical_p': 1,
'repetition_penalty': 1.05,
'top_k': 0,
'min_length': 0,
'no_repeat_ngram_size': 0,
'num_beams': 1,
'penalty_alpha': 0,
'length_penalty': 1,
'early_stopping': False,
}
session = random_hash()
async with websockets.connect(f"ws://{server}:7860/queue/join") as websocket:
while content := json.loads(await websocket.recv()):
#Python3.10 syntax, replace with if elif on older
match content["msg"]:
case "send_hash":
await websocket.send(json.dumps({
"session_hash": session,
"fn_index": 7
}))
case "estimation":
pass
case "send_data":
await websocket.send(json.dumps({
"session_hash": session,
"fn_index": 7,
"data": [
context,
params['max_new_tokens'],
params['do_sample'],
params['temperature'],
params['top_p'],
params['typical_p'],
params['repetition_penalty'],
params['top_k'],
params['min_length'],
params['no_repeat_ngram_size'],
params['num_beams'],
params['penalty_alpha'],
params['length_penalty'],
params['early_stopping'],
]
}))
case "process_starts":
pass
case "process_generating" | "process_completed":
yield content["output"]["data"][0]
# You can search for your desired end indicator and
# stop generation by closing the websocket here
if (content["msg"] == "process_completed"):
break
prompt = "What I would like to say is the following: "
async def get_result():
async for response in run(prompt):
# Print intermediate steps
print(response)
# Print final result
print(response)
asyncio.run(get_result())

0
extensions/elevenlabs_tts/outputs/outputs-will-be-saved-here.txt Normal file
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3
extensions/elevenlabs_tts/requirements.txt Normal file
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@ -0,0 +1,3 @@
elevenlabslib
soundfile
sounddevice

113
extensions/elevenlabs_tts/script.py Normal file
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@ -0,0 +1,113 @@
from pathlib import Path
import gradio as gr
from elevenlabslib import *
from elevenlabslib.helpers import *
params = {
'activate': True,
'api_key': '12345',
'selected_voice': 'None',
}
initial_voice = ['None']
wav_idx = 0
user = ElevenLabsUser(params['api_key'])
user_info = None
# Check if the API is valid and refresh the UI accordingly.
def check_valid_api():
global user, user_info, params
user = ElevenLabsUser(params['api_key'])
user_info = user._get_subscription_data()
print('checking api')
if params['activate'] == False:
return gr.update(value='Disconnected')
elif user_info is None:
print('Incorrect API Key')
return gr.update(value='Disconnected')
else:
print('Got an API Key!')
return gr.update(value='Connected')
# Once the API is verified, get the available voices and update the dropdown list
def refresh_voices():
global user, user_info
your_voices = [None]
if user_info is not None:
for voice in user.get_available_voices():
your_voices.append(voice.initialName)
return gr.Dropdown.update(choices=your_voices)
else:
return
def remove_surrounded_chars(string):
new_string = ""
in_star = False
for char in string:
if char == '*':
in_star = not in_star
elif not in_star:
new_string += char
return new_string
def input_modifier(string):
"""
This function is applied to your text inputs before
they are fed into the model.
"""
return string
def output_modifier(string):
"""
This function is applied to the model outputs.
"""
global params, wav_idx, user, user_info
if params['activate'] == False:
return string
elif user_info == None:
return string
string = remove_surrounded_chars(string)
string = string.replace('"', '')
string = string.replace('“', '')
string = string.replace('\n', ' ')
string = string.strip()
if string == '':
string = 'empty reply, try regenerating'
output_file = Path(f'extensions/elevenlabs_tts/outputs/{wav_idx:06d}.wav'.format(wav_idx))
voice = user.get_voices_by_name(params['selected_voice'])[0]
audio_data = voice.generate_audio_bytes(string)
save_bytes_to_path(Path(f'extensions/elevenlabs_tts/outputs/{wav_idx:06d}.wav'), audio_data)
string = f'<audio src="file/{output_file.as_posix()}" controls></audio>'
wav_idx += 1
return string
def ui():
# Gradio elements
with gr.Row():
activate = gr.Checkbox(value=params['activate'], label='Activate TTS')
connection_status = gr.Textbox(value='Disconnected', label='Connection Status')
voice = gr.Dropdown(value=params['selected_voice'], choices=initial_voice, label='TTS Voice')
with gr.Row():
api_key = gr.Textbox(placeholder="Enter your API key.", label='API Key')
connect = gr.Button(value='Connect')
# Event functions to update the parameters in the backend
activate.change(lambda x: params.update({'activate': x}), activate, None)
voice.change(lambda x: params.update({'selected_voice': x}), voice, None)
api_key.change(lambda x: params.update({'api_key': x}), api_key, None)
connect.click(check_valid_api, [], connection_status)
connect.click(refresh_voices, [], voice)

3
extensions/silero_tts/script.py
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@ -1,4 +1,3 @@
import asyncio
from pathlib import Path
import gradio as gr
@ -94,7 +93,7 @@ def output_modifier(string):
string ='<speak>'+prosody+xmlesc(string)+'</prosody></speak>'
output_file = Path(f'extensions/silero_tts/outputs/{wav_idx:06d}.wav')
audio = model.save_wav(ssml_text=string, speaker=params['speaker'], sample_rate=int(params['sample_rate']), audio_path=str(output_file))
model.save_wav(text=string, speaker=params['speaker'], sample_rate=int(params['sample_rate']), audio_path=str(output_file))
string = f'<audio src="file/{output_file.as_posix()}" controls></audio>'
#reset if too many wavs. set max to -1 for unlimited.

96
modules/LLaMA.py
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@ -1,96 +0,0 @@
# Copyright (c) Meta Platforms, Inc. and affiliates.
# This software may be used and distributed according to the terms of the GNU General Public License version 3.
import json
import os
import sys
import time
from pathlib import Path
from typing import Tuple
import fire
import torch
from fairscale.nn.model_parallel.initialize import initialize_model_parallel
from llama import LLaMA, ModelArgs, Tokenizer, Transformer
os.environ['RANK'] = '0'
os.environ['WORLD_SIZE'] = '1'
os.environ['MP'] = '1'
os.environ['MASTER_ADDR'] = '127.0.0.1'
os.environ['MASTER_PORT'] = '2223'
def setup_model_parallel() -> Tuple[int, int]:
local_rank = int(os.environ.get("LOCAL_RANK", -1))
world_size = int(os.environ.get("WORLD_SIZE", -1))
torch.distributed.init_process_group("gloo")
initialize_model_parallel(world_size)
torch.cuda.set_device(local_rank)
# seed must be the same in all processes
torch.manual_seed(1)
return local_rank, world_size
def load(
ckpt_dir: str,
tokenizer_path: str,
local_rank: int,
world_size: int,
max_seq_len: int,
max_batch_size: int,
) -> LLaMA:
start_time = time.time()
checkpoints = sorted(Path(ckpt_dir).glob("*.pth"))
assert world_size == len(
checkpoints
), f"Loading a checkpoint for MP={len(checkpoints)} but world size is {world_size}"
ckpt_path = checkpoints[local_rank]
print("Loading")
checkpoint = torch.load(ckpt_path, map_location="cpu")
with open(Path(ckpt_dir) / "params.json", "r") as f:
params = json.loads(f.read())
model_args: ModelArgs = ModelArgs(
max_seq_len=max_seq_len, max_batch_size=max_batch_size, **params
)
tokenizer = Tokenizer(model_path=tokenizer_path)
model_args.vocab_size = tokenizer.n_words
torch.set_default_tensor_type(torch.cuda.HalfTensor)
model = Transformer(model_args)
torch.set_default_tensor_type(torch.FloatTensor)
model.load_state_dict(checkpoint, strict=False)
generator = LLaMA(model, tokenizer)
print(f"Loaded in {time.time() - start_time:.2f} seconds")
return generator
class LLaMAModel:
def __init__(self):
pass
@classmethod
def from_pretrained(self, path, max_seq_len=2048, max_batch_size=1):
tokenizer_path = path / "tokenizer.model"
path = os.path.abspath(path)
tokenizer_path = os.path.abspath(tokenizer_path)
local_rank, world_size = setup_model_parallel()
if local_rank > 0:
sys.stdout = open(os.devnull, "w")
generator = load(
path, tokenizer_path, local_rank, world_size, max_seq_len, max_batch_size
)
result = self()
result.pipeline = generator
return result
def generate(self, prompt, token_count=512, temperature=0.8, top_p=0.95):
results = self.pipeline.generate(
[prompt], max_gen_len=token_count, temperature=temperature, top_p=top_p
)
return results[0]

69
modules/RWKV.py
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@ -1,14 +1,17 @@
import os
from pathlib import Path
from queue import Queue
from threading import Thread
import numpy as np
from tokenizers import Tokenizer
import modules.shared as shared
np.set_printoptions(precision=4, suppress=True, linewidth=200)
os.environ['RWKV_JIT_ON'] = '1'
os.environ["RWKV_CUDA_ON"] = '0' # '1' : use CUDA kernel for seq mode (much faster)
os.environ["RWKV_CUDA_ON"] = '1' if shared.args.rwkv_cuda_on else '0' # use CUDA kernel for seq mode (much faster)
from rwkv.model import RWKV
from rwkv.utils import PIPELINE, PIPELINE_ARGS
@ -32,10 +35,11 @@ class RWKVModel:
result.pipeline = pipeline
return result
def generate(self, context, token_count=20, temperature=1, top_p=1, alpha_frequency=0.25, alpha_presence=0.25, token_ban=[0], token_stop=[], callback=None):
def generate(self, context="", token_count=20, temperature=1, top_p=1, top_k=50, alpha_frequency=0.1, alpha_presence=0.1, token_ban=[0], token_stop=[], callback=None):
args = PIPELINE_ARGS(
temperature = temperature,
top_p = top_p,
top_k = top_k,
alpha_frequency = alpha_frequency, # Frequency Penalty (as in GPT-3)
alpha_presence = alpha_presence, # Presence Penalty (as in GPT-3)
token_ban = token_ban, # ban the generation of some tokens
@ -43,3 +47,64 @@ class RWKVModel:
)
return context+self.pipeline.generate(context, token_count=token_count, args=args, callback=callback)
def generate_with_streaming(self, **kwargs):
iterable = Iteratorize(self.generate, kwargs, callback=None)
reply = kwargs['context']
for token in iterable:
reply += token
yield reply
class RWKVTokenizer:
def __init__(self):
pass
@classmethod
def from_pretrained(self, path):
tokenizer_path = path / "20B_tokenizer.json"
tokenizer = Tokenizer.from_file(os.path.abspath(tokenizer_path))
result = self()
result.tokenizer = tokenizer
return result
def encode(self, prompt):
return self.tokenizer.encode(prompt).ids
def decode(self, ids):
return self.tokenizer.decode(ids)
class Iteratorize:
"""
Transforms a function that takes a callback
into a lazy iterator (generator).
"""
def __init__(self, func, kwargs={}, callback=None):
self.mfunc=func
self.c_callback=callback
self.q = Queue(maxsize=1)
self.sentinel = object()
self.kwargs = kwargs
def _callback(val):
self.q.put(val)
def gentask():
ret = self.mfunc(callback=_callback, **self.kwargs)
self.q.put(self.sentinel)
if self.c_callback:
self.c_callback(ret)
Thread(target=gentask).start()
def __iter__(self):
return self
def __next__(self):
obj = self.q.get(True,None)
if obj is self.sentinel:
raise StopIteration
else:
return obj

35
modules/chat.py
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@ -51,23 +51,29 @@ def generate_chat_prompt(user_input, max_new_tokens, name1, name2, context, chat
prompt = ''.join(rows)
return prompt
def extract_message_from_reply(question, reply, current, other, check, extensions=False):
def extract_message_from_reply(question, reply, name1, name2, check, impersonate=False):
next_character_found = False
substring_found = False
previous_idx = [m.start() for m in re.finditer(f"(^|\n){re.escape(current)}:", question)]
idx = [m.start() for m in re.finditer(f"(^|\n){re.escape(current)}:", reply)]
idx = idx[len(previous_idx)-1]
asker = name1 if not impersonate else name2
replier = name2 if not impersonate else name1
if extensions:
reply = reply[idx + 1 + len(apply_extensions(f"{current}:", "bot_prefix")):]
previous_idx = [m.start() for m in re.finditer(f"(^|\n){re.escape(replier)}:", question)]
idx = [m.start() for m in re.finditer(f"(^|\n){re.escape(replier)}:", reply)]
idx = idx[max(len(previous_idx)-1, 0)]
if not impersonate:
reply = reply[idx + 1 + len(apply_extensions(f"{replier}:", "bot_prefix")):]
else:
reply = reply[idx + 1 + len(f"{current}:"):]
reply = reply[idx + 1 + len(f"{replier}:"):]
if check:
reply = reply.split('\n')[0].strip()
lines = reply.split('\n')
reply = lines[0].strip()
if len(lines) > 1:
next_character_found = True
else:
idx = reply.find(f"\n{other}:")
idx = reply.find(f"\n{asker}:")
if idx != -1:
reply = reply[:idx]
next_character_found = True
@ -75,7 +81,7 @@ def extract_message_from_reply(question, reply, current, other, check, extension
# Detect if something like "\nYo" is generated just before
# "\nYou:" is completed
tmp = f"\n{other}:"
tmp = f"\n{asker}:"
for j in range(1, len(tmp)):
if reply[-j:] == tmp[:j]:
substring_found = True
@ -89,6 +95,7 @@ def chatbot_wrapper(text, max_new_tokens, do_sample, temperature, top_p, typical
shared.stop_everything = False
just_started = True
eos_token = '\n' if check else None
name1_original = name1
if 'pygmalion' in shared.model_name.lower():
name1 = "You"
@ -119,8 +126,9 @@ def chatbot_wrapper(text, max_new_tokens, do_sample, temperature, top_p, typical
for reply in generate_reply(f"{prompt}{' ' if len(reply) > 0 else ''}{reply}", max_new_tokens, do_sample, temperature, top_p, typical_p, repetition_penalty, top_k, min_length, no_repeat_ngram_size, num_beams, penalty_alpha, length_penalty, early_stopping, eos_token=eos_token, stopping_string=f"\n{name1}:"):
# Extracting the reply
reply, next_character_found, substring_found = extract_message_from_reply(prompt, reply, name2, name1, check, extensions=True)
visible_reply = apply_extensions(reply, "output")
reply, next_character_found, substring_found = extract_message_from_reply(prompt, reply, name1, name2, check)
visible_reply = re.sub("(<USER>|<user>|{{user}})", name1_original, reply)
visible_reply = apply_extensions(visible_reply, "output")
if shared.args.chat:
visible_reply = visible_reply.replace('\n', '<br>')
@ -139,6 +147,7 @@ def chatbot_wrapper(text, max_new_tokens, do_sample, temperature, top_p, typical
yield shared.history['visible']
if next_character_found:
break
yield shared.history['visible']
def impersonate_wrapper(text, max_new_tokens, do_sample, temperature, top_p, typical_p, repetition_penalty, top_k, min_length, no_repeat_ngram_size, num_beams, penalty_alpha, length_penalty, early_stopping, name1, name2, context, check, chat_prompt_size, chat_generation_attempts=1):
@ -152,7 +161,7 @@ def impersonate_wrapper(text, max_new_tokens, do_sample, temperature, top_p, typ
reply = ''
for i in range(chat_generation_attempts):
for reply in generate_reply(prompt+reply, max_new_tokens, do_sample, temperature, top_p, typical_p, repetition_penalty, top_k, min_length, no_repeat_ngram_size, num_beams, penalty_alpha, length_penalty, early_stopping, eos_token=eos_token, stopping_string=f"\n{name2}:"):
reply, next_character_found, substring_found = extract_message_from_reply(prompt, reply, name1, name2, check, extensions=False)
reply, next_character_found, substring_found = extract_message_from_reply(prompt, reply, name1, name2, check, impersonate=True)
if not substring_found:
yield reply
if next_character_found:

17
modules/models.py
View File

@ -39,10 +39,9 @@ def load_model(model_name):
t0 = time.time()
shared.is_RWKV = model_name.lower().startswith('rwkv-')
shared.is_LLaMA = model_name.lower().startswith('llama-')
# Default settings
if not (shared.args.cpu or shared.args.load_in_8bit or shared.args.auto_devices or shared.args.disk or shared.args.gpu_memory is not None or shared.args.cpu_memory is not None or shared.args.deepspeed or shared.args.flexgen or shared.is_RWKV or shared.is_LLaMA):
if not (shared.args.cpu or shared.args.load_in_8bit or shared.args.auto_devices or shared.args.disk or shared.args.gpu_memory is not None or shared.args.cpu_memory is not None or shared.args.deepspeed or shared.args.flexgen or shared.is_RWKV):
if any(size in shared.model_name.lower() for size in ('13b', '20b', '30b')):
model = AutoModelForCausalLM.from_pretrained(Path(f"models/{shared.model_name}"), device_map='auto', load_in_8bit=True)
else:
@ -80,20 +79,12 @@ def load_model(model_name):
# RMKV model (not on HuggingFace)
elif shared.is_RWKV:
from modules.RWKV import RWKVModel
from modules.RWKV import RWKVModel, RWKVTokenizer
model = RWKVModel.from_pretrained(Path(f'models/{model_name}'), dtype="fp32" if shared.args.cpu else "bf16" if shared.args.bf16 else "fp16", device="cpu" if shared.args.cpu else "cuda")
tokenizer = RWKVTokenizer.from_pretrained(Path('models'))
return model, None
# LLaMA model (not on HuggingFace)
elif shared.is_LLaMA:
import modules.LLaMA
from modules.LLaMA import LLaMAModel
model = LLaMAModel.from_pretrained(Path(f'models/{model_name}'))
return model, None
return model, tokenizer
# Custom
else:

7
modules/shared.py
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@ -6,7 +6,6 @@ model_name = ""
soft_prompt_tensor = None
soft_prompt = False
is_RWKV = False
is_LLaMA = False
# Chat variables
history = {'internal': [], 'visible': []}
@ -44,7 +43,6 @@ settings = {
'default': 'NovelAI-Sphinx Moth',
'pygmalion-*': 'Pygmalion',
'RWKV-*': 'Naive',
'llama-*': 'Naive',
'(rosey|chip|joi)_.*_instruct.*': 'Instruct Joi (Contrastive Search)'
},
'prompts': {
@ -84,9 +82,10 @@ parser.add_argument("--pin-weight", type=str2bool, nargs="?", const=True, defaul
parser.add_argument('--deepspeed', action='store_true', help='Enable the use of DeepSpeed ZeRO-3 for inference via the Transformers integration.')
parser.add_argument('--nvme-offload-dir', type=str, help='DeepSpeed: Directory to use for ZeRO-3 NVME offloading.')
parser.add_argument('--local_rank', type=int, default=0, help='DeepSpeed: Optional argument for distributed setups.')
parser.add_argument('--rwkv-strategy', type=str, default=None, help='The strategy to use while loading RWKV models. Examples: "cpu fp32", "cuda fp16", "cuda fp16 *30 -> cpu fp32".')
parser.add_argument('--rwkv-strategy', type=str, default=None, help='RWKV: The strategy to use while loading the model. Examples: "cpu fp32", "cuda fp16", "cuda fp16i8".')
parser.add_argument('--rwkv-cuda-on', action='store_true', help='RWKV: Compile the CUDA kernel for better performance.')
parser.add_argument('--no-stream', action='store_true', help='Don\'t stream the text output in real time. This improves the text generation performance.')
parser.add_argument('--settings', type=str, help='Load the default interface settings from this json file. See settings-template.json for an example.')
parser.add_argument('--settings', type=str, help='Load the default interface settings from this json file. See settings-template.json for an example. If you create a file called settings.json, this file will be loaded by default without the need to use the --settings flag.')
parser.add_argument('--extensions', type=str, nargs="+", help='The list of extensions to load. If you want to load more than one extension, write the names separated by spaces.')
parser.add_argument('--listen', action='store_true', help='Make the web UI reachable from your local network.')
parser.add_argument('--listen-port', type=int, help='The listening port that the server will use.')

52
modules/text_generation.py
View File

@ -21,21 +21,20 @@ def get_max_prompt_length(tokens):
return max_length
def encode(prompt, tokens_to_generate=0, add_special_tokens=True):
# These models do not have explicit tokenizers for now, so
# we return an estimate for the number of tokens
if shared.is_RWKV or shared.is_LLaMA:
return np.zeros((1, len(prompt)//4))
input_ids = shared.tokenizer.encode(str(prompt), return_tensors='pt', truncation=True, max_length=get_max_prompt_length(tokens_to_generate), add_special_tokens=add_special_tokens)
if shared.args.cpu:
if shared.is_RWKV:
input_ids = shared.tokenizer.encode(str(prompt))
input_ids = np.array(input_ids).reshape(1, len(input_ids))
return input_ids
elif shared.args.flexgen:
return input_ids.numpy()
elif shared.args.deepspeed:
return input_ids.to(device=local_rank)
else:
return input_ids.cuda()
input_ids = shared.tokenizer.encode(str(prompt), return_tensors='pt', truncation=True, max_length=get_max_prompt_length(tokens_to_generate), add_special_tokens=add_special_tokens)
if shared.args.cpu:
return input_ids
elif shared.args.flexgen:
return input_ids.numpy()
elif shared.args.deepspeed:
return input_ids.to(device=local_rank)
else:
return input_ids.cuda()
def decode(output_ids):
reply = shared.tokenizer.decode(output_ids, skip_special_tokens=True)
@ -81,26 +80,30 @@ def formatted_outputs(reply, model_name):
else:
return reply
def generate_reply(question, max_new_tokens, do_sample, temperature, top_p, typical_p, repetition_penalty, top_k, min_length, no_repeat_ngram_size, num_beams, penalty_alpha, length_penalty, early_stopping, eos_token=None, stopping_string=None):
def clear_torch_cache():
gc.collect()
if not shared.args.cpu:
torch.cuda.empty_cache()
def generate_reply(question, max_new_tokens, do_sample, temperature, top_p, typical_p, repetition_penalty, top_k, min_length, no_repeat_ngram_size, num_beams, penalty_alpha, length_penalty, early_stopping, eos_token=None, stopping_string=None):
clear_torch_cache()
t0 = time.time()
# These models are not part of Hugging Face, so we handle them
# separately and terminate the function call earlier
if shared.is_RWKV or shared.is_LLaMA:
if shared.is_RWKV:
if shared.args.no_stream:
reply = shared.model.generate(question, token_count=max_new_tokens, temperature=temperature, top_p=top_p)
t1 = time.time()
print(f"Output generated in {(t1-t0):.2f} seconds.")
reply = shared.model.generate(context=question, token_count=max_new_tokens, temperature=temperature, top_p=top_p, top_k=top_k)
yield formatted_outputs(reply, shared.model_name)
else:
for i in tqdm(range(max_new_tokens//8+1)):
reply = shared.model.generate(question, token_count=8, temperature=temperature, top_p=top_p)
yield formatted_outputs(question, shared.model_name)
# RWKV has proper streaming, which is very nice.
# No need to generate 8 tokens at a time.
for reply in shared.model.generate_with_streaming(context=question, token_count=max_new_tokens, temperature=temperature, top_p=top_p, top_k=top_k):
yield formatted_outputs(reply, shared.model_name)
question = reply
t1 = time.time()
print(f"Output generated in {(t1-t0):.2f} seconds.")
return
original_question = question
@ -111,8 +114,7 @@ def generate_reply(question, max_new_tokens, do_sample, temperature, top_p, typi
input_ids = encode(question, max_new_tokens)
cuda = "" if (shared.args.cpu or shared.args.deepspeed or shared.args.flexgen) else ".cuda()"
n = shared.tokenizer.eos_token_id if eos_token is None else encode(eos_token)[0][-1]
n = shared.tokenizer.eos_token_id if eos_token is None else int(encode(eos_token)[0][-1])
if stopping_string is not None:
# The stopping_criteria code below was copied from
# https://github.com/PygmalionAI/gradio-ui/blob/master/src/model.py
@ -149,14 +151,12 @@ def generate_reply(question, max_new_tokens, do_sample, temperature, top_p, typi
f"temperature={temperature}",
f"stop={n}",
]
if shared.args.deepspeed:
generate_params.append("synced_gpus=True")
if shared.args.no_stream:
generate_params.append("max_new_tokens=max_new_tokens")
else:
generate_params.append("max_new_tokens=8")
if shared.soft_prompt:
inputs_embeds, filler_input_ids = generate_softprompt_input_tensors(input_ids)
generate_params.insert(0, "inputs_embeds=inputs_embeds")
@ -184,6 +184,8 @@ def generate_reply(question, max_new_tokens, do_sample, temperature, top_p, typi
yield formatted_outputs(original_question, shared.model_name)
shared.still_streaming = True
for i in tqdm(range(max_new_tokens//8+1)):
clear_torch_cache()
with torch.no_grad():
output = eval(f"shared.model.generate({', '.join(generate_params)}){cuda}")[0]
if shared.soft_prompt:

5
presets/Naive.txt
View File

@ -1,3 +1,4 @@
do_sample=True
top_p=0.95
temperature=0.8
temperature=0.7
top_p=0.85
top_k=50

5
requirements.txt
View File

@ -3,7 +3,8 @@ bitsandbytes==0.37.0
flexgen==0.1.7
gradio==3.18.0
numpy
rwkv==0.0.6
rwkv==0.1.0
safetensors==0.2.8
git+https://github.com/huggingface/transformers
tensorboard
sentencepiece
git+https://github.com/oobabooga/transformers@llama_push

8
server.py
View File

@ -22,8 +22,14 @@ if (shared.args.chat or shared.args.cai_chat) and not shared.args.no_stream:
print('Warning: chat mode currently becomes somewhat slower with text streaming on.\nConsider starting the web UI with the --no-stream option.\n')
# Loading custom settings
settings_file = None
if shared.args.settings is not None and Path(shared.args.settings).exists():
new_settings = json.loads(open(Path(shared.args.settings), 'r').read())
settings_file = Path(shared.args.settings)
elif Path('settings.json').exists():
settings_file = Path('settings.json')
if settings_file is not None:
print(f"Loading settings from {settings_file}...")
new_settings = json.loads(open(settings_file, 'r').read())
for item in new_settings:
shared.settings[item] = new_settings[item]