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import ast
import functools
import glob
import inspect
import queue
import shutil
import sys
import os
import time
import traceback
import typing
from datetime import datetime
import filelock
import psutil
from loaders import get_loaders
from utils import set_seed, clear_torch_cache, save_generate_output, NullContext, wrapped_partial, EThread, get_githash, \
import_matplotlib, get_device, makedirs
import_matplotlib()
from matplotlib import pyplot as plt
SEED = 1236
set_seed(SEED)
os.environ['HF_HUB_DISABLE_TELEMETRY'] = '1'
from typing import Union
import numpy as np
import pandas as pd
import fire
import torch
from peft import PeftModel
from transformers import GenerationConfig, AutoModel, TextIteratorStreamer
from accelerate import init_empty_weights, infer_auto_device_map
from prompter import Prompter, inv_prompt_type_to_model_lower
from stopping import get_stopping
eval_extra_columns = ['prompt', 'response', 'score']
langchain_modes = ['Disabled', 'ChatLLM', 'LLM', 'All', 'wiki', 'wiki_full', 'UserData', 'MyData', 'github h2oGPT',
'DriverlessAI docs']
scratch_base_dir = '/tmp/'
def main(
load_8bit: bool = False,
load_half: bool = True,
infer_devices: bool = True,
base_model: str = '',
tokenizer_base_model: str = '',
lora_weights: str = "",
gpu_id: int = 0,
prompt_type: Union[int, str] = None,
# input to generation
temperature: float = None,
top_p: float = None,
top_k: int = None,
num_beams: int = None,
repetition_penalty: float = None,
num_return_sequences: int = None,
do_sample: bool = None,
max_new_tokens: int = None,
min_new_tokens: int = None,
early_stopping: Union[bool, str] = None,
max_time: float = None,
debug: bool = False,
save_dir: str = None,
share: bool = True,
local_files_only: bool = False,
resume_download: bool = True,
use_auth_token: Union[str, bool] = False,
trust_remote_code: Union[str, bool] = True,
offload_folder: str = "offline_folder",
src_lang: str = "English",
tgt_lang: str = "Russian",
gradio: bool = True,
gradio_avoid_processing_markdown: bool = False,
chat: bool = True,
chat_context: bool = False,
stream_output: bool = True,
show_examples: bool = None,
verbose: bool = False,
h2ocolors: bool = True,
height: int = 400,
show_lora: bool = True,
login_mode_if_model0: bool = False,
block_gradio_exit: bool = True,
concurrency_count: int = 1,
api_open: bool = False,
allow_api: bool = True,
input_lines: int = 1,
auth: typing.List[typing.Tuple[str, str]] = None,
sanitize_user_prompt: bool = True,
sanitize_bot_response: bool = True,
extra_model_options: typing.List[str] = [],
extra_lora_options: typing.List[str] = [],
score_model: str = 'OpenAssistant/reward-model-deberta-v3-large-v2',
auto_score: bool = True,
eval_sharegpt_prompts_only: int = 0,
eval_sharegpt_prompts_only_seed: int = 1234,
eval_sharegpt_as_output: bool = False,
langchain_mode: str = 'Disabled',
visible_langchain_modes: list = ['UserData', 'MyData'],
user_path: str = None,
load_db_if_exists: bool = True,
keep_sources_in_context: bool = False,
db_type: str = 'chroma',
use_openai_embedding: bool = False,
use_openai_model: bool = False,
hf_embedding_model: str = "sentence-transformers/all-MiniLM-L6-v2",
allow_upload_to_user_data: bool = True,
allow_upload_to_my_data: bool = True,
enable_url_upload: bool = True,
enable_text_upload: bool = True,
enable_sources_list: bool = True,
chunk: bool = True,
chunk_size: int = 512,
k: int = 4,
n_jobs: int = -1,
enable_captions: bool = True,
captions_model: str = "Salesforce/blip-image-captioning-base",
pre_load_caption_model: bool = False,
caption_gpu: bool = True,
enable_ocr: bool = False,
):
"""
:param load_8bit: load model in 8-bit using bitsandbytes
:param load_half: load model in float16
:param infer_devices: whether to control devices with gpu_id. If False, then spread across GPUs
:param base_model: model HF-type name
:param tokenizer_base_model: tokenizer HF-type name
:param lora_weights: LORA weights path/HF link
:param gpu_id: if infer_devices, then use gpu_id for cuda device ID, or auto mode if gpu_id != -1
:param prompt_type: type of prompt, usually matched to fine-tuned model or plain for foundational model
:param temperature: generation temperature
:param top_p: generation top_p
:param top_k: generation top_k
:param num_beams: generation number of beams
:param repetition_penalty: generation repetition penalty
:param num_return_sequences: generation number of sequences (1 forced for chat)
:param do_sample: generation sample
:param max_new_tokens: generation max new tokens
:param min_new_tokens: generation min tokens
:param early_stopping: generation early stopping
:param max_time: maximum time to allow for generation
:param debug: enable debug mode
:param save_dir: directory chat data is saved to
:param share: whether to share the gradio app with sharable URL
:param local_files_only: whether to only use local files instead of doing to HF for models
:param resume_download: whether to resume downloads from HF for models
:param use_auth_token: whether to use HF auth token (requires CLI did huggingface-cli login before)
:param trust_remote_code: whether to use trust any code needed for HF model
:param offload_folder: path for spilling model onto disk
:param src_lang: source languages to include if doing translation (None = all)
:param tgt_lang: target languages to include if doing translation (None = all)
:param gradio: whether to enable gradio, or to enable benchmark mode
:param gradio_avoid_processing_markdown:
:param chat: whether to enable chat mode with chat history
:param chat_context: whether to use extra helpful context if human_bot
:param stream_output: whether to stream output from generate
:param show_examples: whether to show clickable examples in gradio
:param verbose: whether to show verbose prints
:param h2ocolors: whether to use H2O.ai theme
:param height: height of chat window
:param show_lora: whether to show LORA options in UI (expert so can be hard to understand)
:param login_mode_if_model0: set to True to load --base_model after client logs in, to be able to free GPU memory when model is swapped
:param block_gradio_exit: whether to block gradio exit (used for testing)
:param concurrency_count: gradio concurrency count (1 is optimal for LLMs)
:param api_open: If False, don't let API calls skip gradio queue
:param allow_api: whether to allow API calls at all to gradio server
:param input_lines: how many input lines to show for chat box (>1 forces shift-enter for submit, else enter is submit)
:param auth: gradio auth for launcher in form [(user1, pass1), (user2, pass2), ...]
e.g. --auth=[('jon','password')] with no spaces
:param sanitize_user_prompt: whether to remove profanity from user input
:param sanitize_bot_response: whether to remove profanity and repeat lines from bot output
:param extra_model_options: extra models to show in list in gradio
:param extra_lora_options: extra LORA to show in list in gradio
:param score_model: which model to score responses (None means no scoring)
:param auto_score: whether to automatically score responses
:param eval_sharegpt_prompts_only: for no gradio benchmark, if using ShareGPT prompts for eval
:param eval_sharegpt_prompts_only_seed: for no gradio benchmark, if seed for ShareGPT sampling
:param eval_sharegpt_as_output: for no gradio benchmark, whether to test ShareGPT output itself
:param langchain_mode: Data source to include. Choose "UserData" to only consume files from make_db.py.
WARNING: wiki_full requires extra data processing via read_wiki_full.py and requires really good workstation to generate db, unless already present.
:param user_path: user path to glob from to generate db for vector search, for 'UserData' langchain mode
:param visible_langchain_modes: dbs to generate at launch to be ready for LLM
Can be up to ['wiki', 'wiki_full', 'UserData', 'MyData', 'github h2oGPT', 'DriverlessAI docs']
But wiki_full is expensive and requires preparation
To allow scratch space only live in session, add 'MyData' to list
Default: If only want to consume local files, e.g. prepared by make_db.py, only include ['UserData']
FIXME: Avoid 'All' for now, not implemented
:param load_db_if_exists: Whether to load chroma db if exists or re-generate db
:param keep_sources_in_context: Whether to keep url sources in context, not helpful usually
:param db_type: 'faiss' for in-memory or 'chroma' for persisted on disk
:param use_openai_embedding: Whether to use OpenAI embeddings for vector db
:param use_openai_model: Whether to use OpenAI model for use with vector db
:param hf_embedding_model: Which HF embedding model to use for vector db
:param allow_upload_to_user_data: Whether to allow file uploads to update shared vector db
:param allow_upload_to_my_data: Whether to allow file uploads to update scratch vector db
:param enable_url_upload: Whether to allow upload from URL
:param enable_text_upload: Whether to allow uplaod of text
:param enable_sources_list: Whether to allow list (or download for non-shared db) of list of sources for chosen db
:param chunk: Whether to chunk data (True unless know data is already optimally chunked)
:param chunk_size: Size of chunks, with typically top-4 passed to LLM, so neesd to be in context length
:param k: number of chunks to give LLM
:param n_jobs: Number of processors to use when consuming documents (-1 = all, is default)
:param enable_captions: Whether to support captions using BLIP for image files as documents, then preloads that model
:param captions_model: Which model to use for captions.
captions_model: int = "Salesforce/blip-image-captioning-base", # continue capable
captions_model: str = "Salesforce/blip2-flan-t5-xl", # question/answer capable, 16GB state
captions_model: int = "Salesforce/blip2-flan-t5-xxl", # question/answer capable, 60GB state
Note: opt-based blip2 are not permissive license due to opt and Meta license restrictions
:param pre_load_caption_model: Whether to preload caption model, or load after forking parallel doc loader
parallel loading disabled if preload and have images, to prevent deadlocking on cuda context
Recommended if using larger caption model
:param caption_gpu: If support caption, then use GPU if exists
:param enable_ocr: Whether to support OCR on images
:return:
"""
is_hf = bool(os.getenv("HUGGINGFACE_SPACES"))
is_gpth2oai = bool(os.getenv("GPT_H2O_AI"))
is_public = is_hf or is_gpth2oai # multi-user case with fixed model and disclaimer
is_low_mem = is_hf # assumes run on 24GB consumer GPU
admin_pass = os.getenv("ADMIN_PASS")
# will sometimes appear in UI or sometimes actual generation, but maybe better than empty result
# but becomes unrecoverable sometimes if raise, so just be silent for now
raise_generate_gpu_exceptions = True
# allow set token directly
use_auth_token = os.environ.get("HUGGINGFACE_API_TOKEN", use_auth_token)
allow_upload_to_user_data = bool(os.environ.get("allow_upload_to_user_data", allow_upload_to_user_data))
allow_upload_to_my_data = bool(os.environ.get("allow_upload_to_my_data", allow_upload_to_my_data))
height = os.environ.get("HEIGHT", height)
# allow enabling langchain via ENV
# FIRST PLACE where LangChain referenced, but no imports related to it
langchain_mode = os.environ.get("LANGCHAIN_MODE", langchain_mode)
assert langchain_mode in langchain_modes, "Invalid langchain_mode %s" % langchain_mode
visible_langchain_modes = ast.literal_eval(os.environ.get("visible_langchain_modes", str(visible_langchain_modes)))
if langchain_mode not in visible_langchain_modes and langchain_mode in langchain_modes:
visible_langchain_modes += [langchain_mode]
if is_public:
allow_upload_to_user_data = False
input_lines = 1 # ensure set, for ease of use
temperature = 0.2 if temperature is None else temperature
top_p = 0.85 if top_p is None else top_p
top_k = 70 if top_k is None else top_k
if is_hf:
do_sample = True if do_sample is None else do_sample
else:
# by default don't sample, too chatty
do_sample = False if do_sample is None else do_sample
if is_low_mem:
if not base_model:
base_model = 'h2oai/h2ogpt-oasst1-512-12b'
# don't set load_8bit if passed base_model, doesn't always work so can't just override
load_8bit = True
else:
base_model = 'h2oai/h2ogpt-oasst1-512-20b' if not base_model else base_model
if is_low_mem:
load_8bit = True
if is_hf:
# must override share if in spaces
share = False
save_dir = os.getenv('SAVE_DIR', save_dir)
score_model = os.getenv('SCORE_MODEL', score_model)
if score_model == 'None':
score_model = ''
concurrency_count = int(os.getenv('CONCURRENCY_COUNT', concurrency_count))
api_open = bool(int(os.getenv('API_OPEN', api_open)))
allow_api = bool(int(os.getenv('ALLOW_API', allow_api)))
n_gpus = torch.cuda.device_count() if torch.cuda.is_available else 0
if n_gpus == 0:
gpu_id = None
load_8bit = False
load_half = False
infer_devices = False
torch.backends.cudnn.benchmark = True
torch.backends.cudnn.enabled = False
torch.set_default_dtype(torch.float32)
if psutil.virtual_memory().available < 94 * 1024 ** 3:
# 12B uses ~94GB
# 6.9B uses ~47GB
base_model = 'h2oai/h2ogpt-oig-oasst1-512-6_9b' if not base_model else base_model
# get defaults
model_lower = base_model.lower()
if not gradio:
# force, else not single response like want to look at
stream_output = False
# else prompt removal can mess up output
chat = False
# hard-coded defaults
first_para = False
text_limit = None
if offload_folder:
makedirs(offload_folder)
placeholder_instruction, placeholder_input, \
stream_output, show_examples, \
prompt_type, temperature, top_p, top_k, num_beams, \
max_new_tokens, min_new_tokens, early_stopping, max_time, \
repetition_penalty, num_return_sequences, \
do_sample, \
src_lang, tgt_lang, \
examples, \
task_info = \
get_generate_params(model_lower, chat,
stream_output, show_examples,
prompt_type, temperature, top_p, top_k, num_beams,
max_new_tokens, min_new_tokens, early_stopping, max_time,
repetition_penalty, num_return_sequences,
do_sample,
)
locals_dict = locals()
locals_print = '\n'.join(['%s: %s' % (k, v) for k, v in locals_dict.items()])
print(f"Generating model with params:\n{locals_print}", flush=True)
print("Command: %s\nHash: %s" % (str(' '.join(sys.argv)), get_githash()), flush=True)
if langchain_mode != "Disabled":
# SECOND PLACE where LangChain referenced, but all imports are kept local so not required
from gpt_langchain import prep_langchain, get_some_dbs_from_hf
if is_hf:
get_some_dbs_from_hf()
dbs = {}
for langchain_mode1 in visible_langchain_modes:
if langchain_mode1 in ['MyData']:
# don't use what is on disk, remove it instead
for gpath1 in glob.glob(os.path.join(scratch_base_dir, 'db_dir_%s*' % langchain_mode1)):
if os.path.isdir(gpath1):
print("Removing old MyData: %s" % gpath1, flush=True)
shutil.rmtree(gpath1)
continue
if langchain_mode1 in ['All']:
# FIXME: All should be avoided until scans over each db, shouldn't be separate db
continue
persist_directory1 = 'db_dir_%s' % langchain_mode1 # single place, no special names for each case
db = prep_langchain(persist_directory1, load_db_if_exists, db_type, use_openai_embedding,
langchain_mode1, user_path,
hf_embedding_model,
kwargs_make_db=locals())
dbs[langchain_mode1] = db
# remove None db's so can just rely upon k in dbs for if hav db
dbs = {k: v for k, v in dbs.items() if v is not None}
else:
dbs = {}
# import control
if os.environ.get("TEST_LANGCHAIN_IMPORT"):
assert 'gpt_langchain' not in sys.modules, "Dev bug, import of langchain when should not have"
assert 'langchain' not in sys.modules, "Dev bug, import of langchain when should not have"
if not gradio:
if eval_sharegpt_prompts_only > 0:
# override default examples with shareGPT ones for human-level eval purposes only
eval_filename = 'ShareGPT_V3_unfiltered_cleaned_split_no_imsorry.json'
if not os.path.isfile(eval_filename):
os.system(
'wget https://huggingface.co/datasets/anon8231489123/ShareGPT_Vicuna_unfiltered/resolve/main/%s' % eval_filename)
import json
data = json.load(open(eval_filename, 'rt'))
# focus on data that starts with human, else likely chopped from other data
turn_start = 0 # odd in general
data = [x for x in data if len(x['conversations']) > turn_start + 1 and
x['conversations'][turn_start]['from'] == 'human' and
x['conversations'][turn_start + 1]['from'] == 'gpt']
np.random.seed(eval_sharegpt_prompts_only_seed)
example1 = examples[-1] # pick reference example
examples = []
responses = []
for i in list(np.random.randint(0, len(data), size=eval_sharegpt_prompts_only)):
assert data[i]['conversations'][turn_start]['from'] == 'human'
instruction = data[i]['conversations'][turn_start]['value']
assert data[i]['conversations'][turn_start + 1]['from'] == 'gpt'
output = data[i]['conversations'][turn_start + 1]['value']
examplenew = example1.copy()
assert not chat, "No gradio must use chat=False, uses nochat instruct"
examplenew[eval_func_param_names.index('instruction_nochat')] = instruction
examplenew[eval_func_param_names.index('iinput_nochat')] = '' # no input
examplenew[eval_func_param_names.index('context')] = get_context(chat_context, prompt_type)
examples.append(examplenew)
responses.append(output)
num_examples = len(examples)
scoring_path = 'scoring'
os.makedirs(scoring_path, exist_ok=True)
if eval_sharegpt_as_output:
used_base_model = 'gpt35'
used_lora_weights = ''
else:
used_base_model = str(base_model.split('/')[-1])
used_lora_weights = str(lora_weights.split('/')[-1])
eval_filename = "df_scores_%s_%s_%s_%s_%s_%s.parquet" % (num_examples, eval_sharegpt_prompts_only,
eval_sharegpt_prompts_only_seed,
eval_sharegpt_as_output,
used_base_model,
used_lora_weights)
eval_filename = os.path.join(scoring_path, eval_filename)
# torch.device("cuda") leads to cuda:x cuda:y mismatches for multi-GPU consistently
device = 'cpu' if n_gpus == 0 else 'cuda'
context_class = NullContext if n_gpus > 1 or n_gpus == 0 else torch.device
with context_class(device):
# ensure was set right above before examples generated
assert not stream_output, "stream_output=True does not make sense with example loop"
import time
from functools import partial
# get score model
smodel, stokenizer, sdevice = get_score_model(**locals())
if not eval_sharegpt_as_output:
model, tokenizer, device = get_model(**locals())
model_state = [model, tokenizer, device, base_model]
kwargs_evaluate = {k: v for k, v in locals().items() if k in inputs_kwargs_list}
my_db_state = [None]
fun = partial(evaluate, model_state, my_db_state, **kwargs_evaluate)
else:
assert eval_sharegpt_prompts_only > 0
def get_response(*args, exi=0):
# assumes same ordering of examples and responses
yield responses[exi]
fun = get_response
t0 = time.time()
score_dump = []
for exi, ex in enumerate(examples):
instruction = ex[eval_func_param_names.index('instruction_nochat')]
iinput = ex[eval_func_param_names.index('iinput_nochat')]
context = ex[eval_func_param_names.index('context')]
clear_torch_cache()
print("")
print("START" + "=" * 100)
print("Question: %s %s" % (instruction, ('input=%s' % iinput if iinput else '')))
print("-" * 105)
# fun yields as generator, so have to iterate over it
# Also means likely do NOT want --stream_output=True, else would show all generations
gener = fun(*tuple(ex), exi=exi) if eval_sharegpt_as_output else fun(*tuple(ex))
for res in gener:
print(res)
if smodel:
score_with_prompt = False
if score_with_prompt:
data_point = dict(instruction=instruction, input=iinput, context=context)
prompter = Prompter(prompt_type, debug=debug, chat=chat, stream_output=stream_output)
prompt = prompter.generate_prompt(data_point)
else:
# just raw input and output
if eval_sharegpt_prompts_only > 0:
# only our own examples have this filled at moment
assert iinput in [None, ''], iinput # should be no iinput
if not (chat_context and prompt_type == 'human_bot'):
assert context in [None, ''], context # should be no context
prompt = instruction
cutoff_len = 768 if is_low_mem else 2048
inputs = stokenizer(prompt, res,
return_tensors="pt",
truncation=True,
max_length=cutoff_len)
try:
score = torch.sigmoid(smodel(**inputs).logits[0].float()).cpu().detach().numpy()[0]
except torch.cuda.OutOfMemoryError as e:
print("GPU OOM 1: question: %s answer: %s exception: %s" % (prompt, res, str(e)),
flush=True)
traceback.print_exc()
score = 0.0
clear_torch_cache()
except (Exception, RuntimeError) as e:
if 'Expected all tensors to be on the same device' in str(e) or \
'expected scalar type Half but found Float' in str(e) or \
'probability tensor contains either' in str(e) or \
'cublasLt ran into an error!' in str(e):
print("GPU error: question: %s answer: %s exception: %s" % (prompt, res, str(e)),
flush=True)
traceback.print_exc()
score = 0.0
clear_torch_cache()
else:
raise
print("SCORE %s: %s" % (exi, score), flush=True)
score_dump.append(ex + [prompt, res, score])
# dump every score in case abort
df_scores = pd.DataFrame(score_dump,
columns=eval_func_param_names + eval_extra_columns)
df_scores.to_parquet(eval_filename, index=False)
# plot histogram so far
plt.figure(figsize=(10, 10))
plt.hist(df_scores['score'], bins=20)
score_avg = np.mean(df_scores['score'])
score_median = np.median(df_scores['score'])
plt.title("Score avg: %s median: %s" % (score_avg, score_median))
plt.savefig(eval_filename.replace('.parquet', '.png'))
plt.close()
print("END" + "=" * 102)
print("")
t2 = time.time()
print("Time taken so far: %.4f about %.4g per example" % (t2 - t0, (t2 - t0) / (1 + exi)))
t1 = time.time()
print("Total time taken: %.4f about %.4g per example" % (t1 - t0, (t1 - t0) / num_examples))
return eval_filename
if gradio:
# imported here so don't require gradio to run generate
from gradio_runner import go_gradio
# get default model
all_kwargs = locals().copy()
if all_kwargs.get('base_model') and not all_kwargs['login_mode_if_model0']:
model0, tokenizer0, device = get_model(**all_kwargs)
else:
# if empty model, then don't load anything, just get gradio up
model0, tokenizer0, device = None, None, None
model_state0 = [model0, tokenizer0, device, all_kwargs['base_model']]
# get score model
smodel, stokenizer, sdevice = get_score_model(**all_kwargs)
score_model_state0 = [smodel, stokenizer, sdevice, score_model]
if enable_captions:
if pre_load_caption_model:
from image_captions import H2OImageCaptionLoader
caption_loader = H2OImageCaptionLoader(caption_gpu=caption_gpu).load_model()
else:
caption_loader = 'gpu' if caption_gpu else 'cpu'
else:
caption_loader = False
go_gradio(**locals())
def get_non_lora_model(base_model, model_loader, load_half, model_kwargs, reward_type,
gpu_id=0,
use_auth_token=False,
trust_remote_code=True,
offload_folder=None,
triton_attn=False,
long_sequence=True,
):
"""
Ensure model gets on correct device
:param base_model:
:param model_loader:
:param load_half:
:param model_kwargs:
:param reward_type:
:param gpu_id:
:param use_auth_token:
:param trust_remote_code:
:param offload_folder:
:param triton_attn:
:param long_sequence:
:return:
"""
with init_empty_weights():
from transformers import AutoConfig
config = AutoConfig.from_pretrained(base_model, use_auth_token=use_auth_token,
trust_remote_code=trust_remote_code,
offload_folder=offload_folder)
if triton_attn and 'mpt-' in base_model.lower():
config.attn_config['attn_impl'] = 'triton'
if long_sequence:
if 'mpt-7b-storywriter' in base_model.lower():
config.update({"max_seq_len": 83968})
if 'mosaicml/mpt-7b-chat' in base_model.lower():
config.update({"max_seq_len": 4096})
if issubclass(config.__class__, tuple(AutoModel._model_mapping.keys())):
model = AutoModel.from_config(
config,
)
else:
# can't infer
model = None
if model is not None:
# NOTE: Can specify max_memory={0: max_mem, 1: max_mem}, to shard model
# NOTE: Some models require avoiding sharding some layers,
# then would pass no_split_module_classes and give list of those layers.
device_map = infer_auto_device_map(
model,
dtype=torch.float16 if load_half else torch.float32,
)
if hasattr(model, 'model'):
device_map_model = infer_auto_device_map(
model.model,
dtype=torch.float16 if load_half else torch.float32,
)
device_map.update(device_map_model)
else:
device_map = "auto"
n_gpus = torch.cuda.device_count() if torch.cuda.is_available else 0
if n_gpus > 0:
if gpu_id >= 0:
# FIXME: If really distributes model, tend to get things like: ValueError: gpt_neox.embed_in.weight doesn't have any device set.
# So avoid for now, just put on first GPU, unless score_model, put on last
if reward_type:
device_map = {'': n_gpus - 1}
else:
device_map = {'': min(n_gpus - 1, gpu_id)}
if gpu_id == -1:
device_map = {'': 'cuda'}
else:
device_map = {'': 'cpu'}
model_kwargs['load_in_8bit'] = False
print('device_map: %s' % device_map, flush=True)
load_in_8bit = model_kwargs.get('load_in_8bit', False)
model_kwargs['device_map'] = device_map
if load_in_8bit or not load_half:
model = model_loader.from_pretrained(
base_model,
config=config,
**model_kwargs,
)
else:
model = model_loader.from_pretrained(
base_model,
config=config,
**model_kwargs,
).half()
return model
def get_model(
load_8bit: bool = False,
load_half: bool = True,
infer_devices: bool = True,
base_model: str = '',
tokenizer_base_model: str = '',
lora_weights: str = "",
gpu_id: int = 0,
reward_type: bool = None,
local_files_only: bool = False,
resume_download: bool = True,
use_auth_token: Union[str, bool] = False,
trust_remote_code: bool = True,
offload_folder: str = None,
compile: bool = True,
**kwargs,
):
"""
:param load_8bit: load model in 8-bit, not supported by all models
:param load_half: load model in 16-bit
:param infer_devices: Use torch infer of optimal placement of layers on devices (for non-lora case)
For non-LORA case, False will spread shards across multiple GPUs, but this can lead to cuda:x cuda:y mismatches
So it is not the default
:param base_model: name/path of base model
:param tokenizer_base_model: name/path of tokenizer
:param lora_weights: name/path
:param gpu_id: which GPU (0..n_gpus-1) or allow all GPUs if relevant (-1)
:param reward_type: reward type model for sequence classification
:param local_files_only: use local files instead of from HF
:param resume_download: resume downloads from HF
:param use_auth_token: assumes user did on CLI `huggingface-cli login` to access private repo
:param trust_remote_code: trust code needed by model
:param offload_folder: offload folder
:param compile: whether to compile torch model
:param kwargs:
:return:
"""
print("Get %s model" % base_model, flush=True)
if base_model in ['llama', 'gptj']:
from gpt4all_llm import get_model_tokenizer_gpt4all
model, tokenizer, device = get_model_tokenizer_gpt4all(base_model)
return model, tokenizer, device
if lora_weights is not None and lora_weights.strip():
print("Get %s lora weights" % lora_weights, flush=True)
device = get_device()
if 'gpt2' in base_model.lower():
# RuntimeError: where expected condition to be a boolean tensor, but got a tensor with dtype Half
load_8bit = False
assert base_model.strip(), (
"Please choose a base model with --base_model (CLI) or in Models Tab (gradio)"
)
from transformers import AutoConfig
config = AutoConfig.from_pretrained(base_model, use_auth_token=use_auth_token,
trust_remote_code=trust_remote_code,
offload_folder=offload_folder)
llama_type_from_config = 'llama' in str(config).lower()
llama_type_from_name = "llama" in base_model.lower()
llama_type = llama_type_from_config or llama_type_from_name
if llama_type:
print("Detected as llama type from"
" config (%s) or name (%s)" % (llama_type_from_config, llama_type_from_name), flush=True)
model_loader, tokenizer_loader = get_loaders(llama_type=llama_type, model_name=base_model, reward_type=reward_type)
if not tokenizer_base_model:
tokenizer_base_model = base_model
if tokenizer_loader is not None and not isinstance(tokenizer_loader, str):
tokenizer = tokenizer_loader.from_pretrained(tokenizer_base_model,
local_files_only=local_files_only,
resume_download=resume_download,
use_auth_token=use_auth_token,
trust_remote_code=trust_remote_code,
offload_folder=offload_folder,
)
else:
tokenizer = tokenizer_loader
if isinstance(tokenizer, str):
# already a pipeline, tokenizer_loader is string for task
model = model_loader(tokenizer,
model=base_model,
device=0 if device == "cuda" else -1,
torch_dtype=torch.float16 if device == 'cuda' else torch.float32)
else:
assert device in ["cuda", "cpu"], "Unsupported device %s" % device
model_kwargs = dict(local_files_only=local_files_only,
torch_dtype=torch.float16 if device == 'cuda' else torch.float32,
resume_download=resume_download,
use_auth_token=use_auth_token,
trust_remote_code=trust_remote_code,
offload_folder=offload_folder,
)
if 'mbart-' not in base_model.lower() and 'mpt-' not in base_model.lower():
model_kwargs.update(dict(load_in_8bit=load_8bit,
device_map={"": 0} if load_8bit and device == 'cuda' else "auto",
))
if 'mpt-' in base_model.lower() and gpu_id >= 0:
model_kwargs.update(dict(device_map={"": gpu_id} if device == 'cuda' else "cpu"))
if 'OpenAssistant/reward-model'.lower() in base_model.lower():
# FIXME: could put on other GPUs
model_kwargs['device_map'] = {"": 0} if device == 'cuda' else {"": 'cpu'}
model_kwargs.pop('torch_dtype', None)
if not lora_weights:
with torch.device(device):
if infer_devices:
model = get_non_lora_model(base_model, model_loader, load_half, model_kwargs, reward_type,
gpu_id=gpu_id,
use_auth_token=use_auth_token,
trust_remote_code=trust_remote_code,
offload_folder=offload_folder,
)
else:
if load_half and not load_8bit:
model = model_loader.from_pretrained(
base_model,
**model_kwargs).half()
else:
model = model_loader.from_pretrained(
base_model,
**model_kwargs)
elif load_8bit:
model = model_loader.from_pretrained(
base_model,
**model_kwargs
)
model = PeftModel.from_pretrained(
model,
lora_weights,
torch_dtype=torch.float16 if device == 'cuda' else torch.float32,
local_files_only=local_files_only,
resume_download=resume_download,
use_auth_token=use_auth_token,
trust_remote_code=trust_remote_code,
offload_folder=offload_folder,
device_map={"": 0} if device == 'cuda' else {"": 'cpu'}, # seems to be required
)
else:
with torch.device(device):
model = model_loader.from_pretrained(
base_model,
**model_kwargs
)
model = PeftModel.from_pretrained(
model,
lora_weights,
torch_dtype=torch.float16 if device == 'cuda' else torch.float32,
local_files_only=local_files_only,
resume_download=resume_download,
use_auth_token=use_auth_token,
trust_remote_code=trust_remote_code,
offload_folder=offload_folder,
device_map="auto",
)
if load_half:
model.half()
# unwind broken decapoda-research config
if llama_type:
model.config.pad_token_id = tokenizer.pad_token_id = 0 # unk
model.config.bos_token_id = 1
model.config.eos_token_id = 2
if 'gpt2' in base_model.lower():
# add special tokens that otherwise all share the same id
tokenizer.add_special_tokens({'bos_token': '<bos>',
'eos_token': '<eos>',
'pad_token': '<pad>'})
if not isinstance(tokenizer, str):
model.eval()
if torch.__version__ >= "2" and sys.platform != "win32" and compile:
model = torch.compile(model)
return model, tokenizer, device
def get_score_model(**kwargs):
# score model
if kwargs.get('score_model') is not None and kwargs.get('score_model').strip():
score_all_kwargs = kwargs.copy()
score_all_kwargs['load_8bit'] = False
score_all_kwargs['load_half'] = False
score_all_kwargs['base_model'] = kwargs.get('score_model').strip()
score_all_kwargs['tokenizer_base_model'] = ''
score_all_kwargs['lora_weights'] = ''
score_all_kwargs['llama_type'] = False
score_all_kwargs['compile'] = False
smodel, stokenizer, sdevice = get_model(**score_all_kwargs)
else:
smodel, stokenizer, sdevice = None, None, None
return smodel, stokenizer, sdevice
eval_func_param_names = ['instruction',
'iinput',
'context',
'stream_output',
'prompt_type',
'temperature',
'top_p',
'top_k',
'num_beams',
'max_new_tokens',
'min_new_tokens',
'early_stopping',
'max_time',
'repetition_penalty',
'num_return_sequences',
'do_sample',
'chat',
'instruction_nochat',
'iinput_nochat',
'langchain_mode',
'document_choice',
]
def evaluate(
model_state,
my_db_state,
# START NOTE: Examples must have same order of parameters
instruction,
iinput,
context,
stream_output,
prompt_type,
temperature,
top_p,
top_k,
num_beams,
max_new_tokens,
min_new_tokens,
early_stopping,
max_time,
repetition_penalty,
num_return_sequences,
do_sample,
chat,
instruction_nochat,
iinput_nochat,
langchain_mode,
document_choice,
# END NOTE: Examples must have same order of parameters
src_lang=None,
tgt_lang=None,
debug=False,
concurrency_count=None,
save_dir=None,
sanitize_bot_response=True,
model_state0=None,
is_low_mem=None,
raise_generate_gpu_exceptions=None,
chat_context=None,
lora_weights=None,
load_db_if_exists=True,
dbs=None,
user_path=None,
use_openai_embedding=None,
use_openai_model=None,
hf_embedding_model=None,
chunk=None,
chunk_size=None,
db_type=None,
k=None,
n_jobs=None,
first_para=None,
text_limit=None,
):
# ensure passed these
assert concurrency_count is not None
assert is_low_mem is not None
assert raise_generate_gpu_exceptions is not None
assert chat_context is not None
assert use_openai_embedding is not None
assert use_openai_model is not None
assert hf_embedding_model is not None
assert chunk is not None
assert chunk_size is not None
assert db_type is not None
assert k is not None
assert n_jobs is not None
assert first_para is not None
if debug:
locals_dict = locals().copy()
locals_dict.pop('model_state', None)
locals_dict.pop('model_state0', None)
print(locals_dict)
no_model_msg = "Please choose a base model with --base_model (CLI) or in Models Tab (gradio).\nThen start New Conversation"
if model_state0 is None:
# e.g. for no gradio case, set dummy value, else should be set
model_state0 = [None, None, None, None]
if model_state is not None and len(model_state) == 4 and not isinstance(model_state[0], str):
# try to free-up original model (i.e. list was passed as reference)
if model_state0 is not None and model_state0[0] is not None:
model_state0[0].cpu()
model_state0[0] = None
# try to free-up original tokenizer (i.e. list was passed as reference)
if model_state0 is not None and model_state0[1] is not None:
model_state0[1] = None
clear_torch_cache()
model, tokenizer, device, base_model = model_state
elif model_state0 is not None and len(model_state0) == 4 and model_state0[0] is not None:
assert isinstance(model_state[0], str)
model, tokenizer, device, base_model = model_state0
else:
raise AssertionError(no_model_msg)
if base_model is None:
raise AssertionError(no_model_msg)
assert base_model.strip(), no_model_msg
assert model, "Model is missing"
assert tokenizer, "Tokenizer is missing"
# choose chat or non-chat mode
if not chat:
instruction = instruction_nochat
iinput = iinput_nochat
if not context:
# get hidden context if have one
context = get_context(chat_context, prompt_type)
prompter = Prompter(prompt_type, debug=debug, chat=chat, stream_output=stream_output)
data_point = dict(context=context, instruction=instruction, input=iinput)
prompt = prompter.generate_prompt(data_point)
# THIRD PLACE where LangChain referenced, but imports only occur if enabled and have db to use
assert langchain_mode in langchain_modes, "Invalid langchain_mode %s" % langchain_mode
if langchain_mode in ['MyData'] and my_db_state is not None and len(my_db_state) > 0 and my_db_state[0] is not None:
db1 = my_db_state[0]
elif dbs is not None and langchain_mode in dbs:
db1 = dbs[langchain_mode]
else:
db1 = None
if langchain_mode not in [False, 'Disabled', 'ChatLLM', 'LLM'] and db1 is not None or base_model in ['llama', 'gptj']:
query = instruction if not iinput else "%s\n%s" % (instruction, iinput)
outr = ""
# use smaller cut_distanct for wiki_full since so many matches could be obtained, and often irrelevant unless close
from gpt_langchain import run_qa_db
for r in run_qa_db(query=query,
model_name=base_model, model=model, tokenizer=tokenizer,
stream_output=stream_output,
prompter=prompter,
load_db_if_exists=load_db_if_exists,
db=db1,
user_path=user_path,
max_new_tokens=max_new_tokens,
cut_distanct=1.1 if langchain_mode in ['wiki_full'] else 1.64, # FIXME, too arbitrary
use_openai_embedding=use_openai_embedding,
use_openai_model=use_openai_model,
hf_embedding_model=hf_embedding_model,
first_para=first_para,
text_limit=text_limit,
chunk=chunk,
chunk_size=chunk_size,
langchain_mode=langchain_mode,
document_choice=document_choice,
db_type=db_type,
k=k,
temperature=temperature,
repetition_penalty=repetition_penalty,
top_k=top_k,
top_p=top_p,
prompt_type=prompt_type,
n_jobs=n_jobs,
):
outr = r # doesn't accumulate, new answer every yield, so only save that full answer
yield r
if save_dir:
save_generate_output(output=outr, base_model=base_model, save_dir=save_dir)
print('Post-Generate Langchain: %s decoded_output: %s' % (str(datetime.now()), len(outr) if outr else -1),
flush=True)
if outr:
return
if isinstance(tokenizer, str):
# pipeline
if tokenizer == "summarization":
key = 'summary_text'
else:
raise RuntimeError("No such task type %s" % tokenizer)
# NOTE: uses max_length only
yield model(prompt, max_length=max_new_tokens)[0][key]
if 'mbart-' in base_model.lower():
assert src_lang is not None
tokenizer.src_lang = languages_covered()[src_lang]
if chat:
# override, ignore user change
num_return_sequences = 1
stopping_criteria = get_stopping(prompt_type, tokenizer, device)
_, _, max_length_tokenize, max_prompt_length = get_cutoffs(is_low_mem)
prompt = prompt[-max_prompt_length:]
inputs = tokenizer(prompt,
return_tensors="pt",
truncation=True,
max_length=max_length_tokenize)
if inputs['input_ids'].shape[1] >= max_length_tokenize - 1:
print("Cutting off input: %s %s" % (inputs['input_ids'].shape[1], max_length_tokenize), flush=True)
if debug and len(inputs["input_ids"]) > 0:
print('input_ids length', len(inputs["input_ids"][0]), flush=True)
input_ids = inputs["input_ids"].to(device)
generation_config = GenerationConfig(
temperature=float(temperature),
top_p=float(top_p),
top_k=top_k,
num_beams=num_beams,
do_sample=do_sample,
repetition_penalty=float(repetition_penalty),
num_return_sequences=num_return_sequences,
renormalize_logits=True,
remove_invalid_values=True,
)
gen_kwargs = dict(input_ids=input_ids,
generation_config=generation_config,
return_dict_in_generate=True,
output_scores=True,
max_new_tokens=max_new_tokens, # prompt + new
min_new_tokens=min_new_tokens, # prompt + new
early_stopping=early_stopping, # False, True, "never"
max_time=max_time,
stopping_criteria=stopping_criteria,
)
if 'gpt2' in base_model.lower():
gen_kwargs.update(dict(bos_token_id=tokenizer.bos_token_id, pad_token_id=tokenizer.eos_token_id))
elif 'mbart-' in base_model.lower():
assert tgt_lang is not None
tgt_lang = languages_covered()[tgt_lang]
gen_kwargs.update(dict(forced_bos_token_id=tokenizer.lang_code_to_id[tgt_lang]))
else:
gen_kwargs.update(dict(pad_token_id=tokenizer.eos_token_id))
decoder_kwargs = dict(skip_special_tokens=True,
clean_up_tokenization_spaces=True)
decoder = functools.partial(tokenizer.decode,
**decoder_kwargs
)
decoder_raw_kwargs = dict(skip_special_tokens=False,
clean_up_tokenization_spaces=True)
decoder_raw = functools.partial(tokenizer.decode,
**decoder_raw_kwargs
)
with torch.no_grad():
context_class_cast = NullContext if device == 'cpu' or lora_weights else torch.autocast
with context_class_cast(device):
# protection for gradio not keeping track of closed users,
# else hit bitsandbytes lack of thread safety:
# https://github.com/h2oai/h2ogpt/issues/104
# but only makes sense if concurrency_count == 1
context_class = NullContext # if concurrency_count > 1 else filelock.FileLock
print('Pre-Generate: %s' % str(datetime.now()), flush=True)
decoded_output = None
with context_class("generate.lock"):
print('Generate: %s' % str(datetime.now()), flush=True)
# decoded tokenized prompt can deviate from prompt due to special characters
inputs_decoded = decoder(input_ids[0])
inputs_decoded_raw = decoder_raw(input_ids[0])
if inputs_decoded == prompt:
# normal
pass
elif inputs_decoded.lstrip() == prompt.lstrip():
# sometimes extra space in front, make prompt same for prompt removal
prompt = inputs_decoded
elif inputs_decoded_raw == prompt:
# some models specify special tokens that are part of normal prompt, so can't skip them
inputs_decoded = prompt = inputs_decoded_raw
decoder = decoder_raw
decoder_kwargs = decoder_raw_kwargs
elif inputs_decoded_raw.replace("<unk> ", "").replace("<unk>", "").replace('\n', ' ').replace(' ',
'') == prompt.replace(
'\n', ' ').replace(' ', ''):
inputs_decoded = prompt = inputs_decoded_raw
decoder = decoder_raw
decoder_kwargs = decoder_raw_kwargs
else:
print("WARNING: Special characters in prompt", flush=True)
if stream_output:
skip_prompt = False
streamer = H2OTextIteratorStreamer(tokenizer, skip_prompt=skip_prompt, block=False,
**decoder_kwargs)
gen_kwargs.update(dict(streamer=streamer))
target = wrapped_partial(generate_with_exceptions, model.generate,
prompt=prompt, inputs_decoded=inputs_decoded,
raise_generate_gpu_exceptions=raise_generate_gpu_exceptions,
**gen_kwargs)
bucket = queue.Queue()
thread = EThread(target=target, streamer=streamer, bucket=bucket)
thread.start()
outputs = ""
try:
for new_text in streamer:
if bucket.qsize() > 0 or thread.exc:
thread.join()
outputs += new_text
yield prompter.get_response(outputs, prompt=inputs_decoded,
sanitize_bot_response=sanitize_bot_response)
except BaseException:
# if any exception, raise that exception if was from thread, first
if thread.exc:
raise thread.exc
raise
finally:
# in case no exception and didn't join with thread yet, then join
if not thread.exc:
thread.join()
# in case raise StopIteration or broke queue loop in streamer, but still have exception
if thread.exc:
raise thread.exc
decoded_output = outputs
else:
outputs = model.generate(**gen_kwargs)
outputs = [decoder(s) for s in outputs.sequences]
yield prompter.get_response(outputs, prompt=inputs_decoded,
sanitize_bot_response=sanitize_bot_response)
if outputs and len(outputs) >= 1:
decoded_output = prompt + outputs[0]
if save_dir and decoded_output:
save_generate_output(output=decoded_output, base_model=base_model, save_dir=save_dir)
print('Post-Generate: %s decoded_output: %s' % (
str(datetime.now()), len(decoded_output) if decoded_output else -1), flush=True)
inputs_list_names = list(inspect.signature(evaluate).parameters)
state_names = ['model_state', 'my_db_state']
inputs_kwargs_list = [x for x in inputs_list_names if x not in eval_func_param_names + state_names]
def get_cutoffs(is_low_mem, for_context=False):
# help to avoid errors like:
# RuntimeError: The size of tensor a (2048) must match the size of tensor b (2049) at non-singleton dimension 3
# RuntimeError: expected scalar type Half but found Float
# with - 256
max_length_tokenize = 768 - 256 if is_low_mem else 2048 - 256
cutoff_len = max_length_tokenize * 4 # if reaches limit, then can't generate new tokens
output_smallest = 30 * 4
max_prompt_length = cutoff_len - output_smallest
if for_context:
# then lower even more to avoid later chop, since just estimate tokens in context bot
max_prompt_length = max(64, int(max_prompt_length * 0.8))
return cutoff_len, output_smallest, max_length_tokenize, max_prompt_length
class H2OTextIteratorStreamer(TextIteratorStreamer):
"""
normally, timeout required for now to handle exceptions, else get()
but with H2O version of TextIteratorStreamer, loop over block to handle
"""
def __init__(self, tokenizer, skip_prompt: bool = False, timeout: typing.Optional[float] = None,
block=True, **decode_kwargs):
super().__init__(tokenizer, skip_prompt, **decode_kwargs)
self.text_queue = queue.Queue()
self.stop_signal = None
self.do_stop = False
self.timeout = timeout
self.block = block
def on_finalized_text(self, text: str, stream_end: bool = False):
"""Put the new text in the queue. If the stream is ending, also put a stop signal in the queue."""
self.text_queue.put(text, timeout=self.timeout)
if stream_end:
self.text_queue.put(self.stop_signal, timeout=self.timeout)
def __iter__(self):
return self
def __next__(self):
while True:
try:
value = self.stop_signal # value looks unused in pycharm, not true
if self.do_stop:
print("hit stop", flush=True)
# could raise or break, maybe best to raise and make parent see if any exception in thread
raise StopIteration()
# break
value = self.text_queue.get(block=self.block, timeout=self.timeout)
break
except queue.Empty:
time.sleep(0.01)
if value == self.stop_signal:
raise StopIteration()
else:
return value
def generate_with_exceptions(func, *args, prompt='', inputs_decoded='', raise_generate_gpu_exceptions=True, **kwargs):
try:
func(*args, **kwargs)
except torch.cuda.OutOfMemoryError as e:
print("GPU OOM 2: prompt: %s inputs_decoded: %s exception: %s" % (prompt, inputs_decoded, str(e)),
flush=True)
if 'input_ids' in kwargs:
if kwargs['input_ids'] is not None:
kwargs['input_ids'].cpu()
kwargs['input_ids'] = None
traceback.print_exc()
clear_torch_cache()
return
except (Exception, RuntimeError) as e:
if 'Expected all tensors to be on the same device' in str(e) or \
'expected scalar type Half but found Float' in str(e) or \
'probability tensor contains either' in str(e) or \
'cublasLt ran into an error!' in str(e) or \
'mat1 and mat2 shapes cannot be multiplied' in str(e):
print(
"GPU Error: prompt: %s inputs_decoded: %s exception: %s" % (prompt, inputs_decoded, str(e)),
flush=True)
traceback.print_exc()
clear_torch_cache()
if raise_generate_gpu_exceptions:
raise
return
else:
clear_torch_cache()
if raise_generate_gpu_exceptions:
raise
def get_generate_params(model_lower, chat,
stream_output, show_examples,
prompt_type, temperature, top_p, top_k, num_beams,
max_new_tokens, min_new_tokens, early_stopping, max_time,
repetition_penalty, num_return_sequences,
do_sample):
use_defaults = False
use_default_examples = True
examples = []
task_info = f"{prompt_type}"
if model_lower:
print(f"Using Model {model_lower}", flush=True)
else:
print("No model defined yet", flush=True)
min_new_tokens = min_new_tokens if min_new_tokens is not None else 0
early_stopping = early_stopping if early_stopping is not None else False
max_time_defaults = 60 * 3
max_time = max_time if max_time is not None else max_time_defaults
if not prompt_type and model_lower in inv_prompt_type_to_model_lower:
prompt_type = inv_prompt_type_to_model_lower[model_lower]
print("Auto-selecting prompt_type=%s for %s" % (prompt_type, model_lower), flush=True)
# examples at first don't include chat, instruction_nochat, iinput_nochat, added at end
if show_examples is None:
if chat:
show_examples = False
else:
show_examples = True
summarize_example1 = """Jeff: Can I train a ? Transformers model on Amazon SageMaker?
Philipp: Sure you can use the new Hugging Face Deep Learning Container.
Jeff: ok.
Jeff: and how can I get started?
Jeff: where can I find documentation?
Philipp: ok, ok you can find everything here. https://huggingface.co/blog/the-partnership-amazon-sagemaker-and-hugging-face"""
if 'bart-large-cnn-samsum' in model_lower or 'flan-t5-base-samsum' in model_lower:
placeholder_instruction = summarize_example1
placeholder_input = ""
use_defaults = True
use_default_examples = False
examples += [
[placeholder_instruction, "", "", stream_output, 'plain', 1.0, 1.0, 50, 1, 128, 0, False, max_time_defaults,
1.0, 1,
False]]
task_info = "Summarization"
elif 't5-' in model_lower or 't5' == model_lower or 'flan-' in model_lower:
placeholder_instruction = "The square root of x is the cube root of y. What is y to the power of 2, if x = 4?"
placeholder_input = ""
use_defaults = True
use_default_examples = True
task_info = "Multi-Task: Q/A, translation, Chain-of-Thought, Logical Reasoning, Summarization, etc. Best to use task prefix as trained on, e.g. `translate English to German: ` (space after colon)"
elif 'mbart-' in model_lower:
placeholder_instruction = "The girl has long hair."
placeholder_input = ""
use_defaults = True
use_default_examples = False
examples += [
[placeholder_instruction, "", "", stream_output, 'plain', 1.0, 1.0, 50, 1, 128, 0, False, max_time_defaults,
1.0, 1,
False]]
elif 'gpt2' in model_lower:
placeholder_instruction = "The sky is"
placeholder_input = ""
prompt_type = prompt_type or 'plain'
use_default_examples = True # some will be odd "continuations" but can be ok
examples += [
[placeholder_instruction, "", "", stream_output, 'plain', 1.0, 1.0, 50, 1, 128, 0, False, max_time_defaults,
1.0, 1,
False]]
task_info = "Auto-complete phrase, code, etc."
use_defaults = True
else:
if chat:
placeholder_instruction = "Enter a question or imperative."
else:
placeholder_instruction = "Give detailed answer for whether Einstein or Newton is smarter."
placeholder_input = ""
if model_lower:
# default is plain, because might relly upon trust_remote_code to handle prompting
prompt_type = prompt_type or 'plain'
else:
prompt_type = ''
examples += [[summarize_example1, 'Summarize' if prompt_type not in ['plain', 'instruct_simple'] else '', "",
stream_output, prompt_type or 'plain', 0.1, 0.75, 40, 4, 256, 0, False, max_time_defaults, 1.0, 1,
False]]
task_info = "No task"
if prompt_type == 'instruct':
task_info = "Answer question or follow imperative as instruction with optionally input."
elif prompt_type == 'plain':
task_info = "Auto-complete phrase, code, etc."
elif prompt_type == 'human_bot':
if chat:
task_info = "Chat (Shift-Enter to give question/imperative, input concatenated with instruction)"
else:
task_info = "Ask question/imperative (input concatenated with instruction)"
# revert to plain if still nothing
prompt_type = prompt_type or 'plain'
if use_defaults:
temperature = 1.0 if temperature is None else temperature
top_p = 1.0 if top_p is None else top_p
top_k = 40 if top_k is None else top_k
num_beams = num_beams or 1
max_new_tokens = max_new_tokens or 128
repetition_penalty = repetition_penalty or 1.07
num_return_sequences = min(num_beams, num_return_sequences or 1)
do_sample = False if do_sample is None else do_sample
else:
temperature = 0.1 if temperature is None else temperature
top_p = 0.75 if top_p is None else top_p
top_k = 40 if top_k is None else top_k
if chat:
num_beams = num_beams or 1
else:
num_beams = num_beams or 4
max_new_tokens = max_new_tokens or 256
repetition_penalty = repetition_penalty or 1.07
num_return_sequences = min(num_beams, num_return_sequences or 1)
do_sample = False if do_sample is None else do_sample
# doesn't include chat, instruction_nochat, iinput_nochat, added later
params_list = ["", stream_output, prompt_type, temperature, top_p, top_k, num_beams, max_new_tokens, min_new_tokens,
early_stopping, max_time, repetition_penalty, num_return_sequences, do_sample]
if use_default_examples:
examples += [
["Translate English to French", "Good morning"] + params_list,
["Give detailed answer for whether Einstein or Newton is smarter.", ''] + params_list,
["Explain in detailed list, all the best practices for coding in python.", ''] + params_list,
[
"Create a markdown table with 3 rows for the primary colors, and 2 columns, with color name and hex codes.",
''] + params_list,
['Translate to German: My name is Arthur', ''] + params_list,
["Please answer to the following question. Who is going to be the next Ballon d'or?", ''] + params_list,
['Can Geoffrey Hinton have a conversation with George Washington? Give the rationale before answering.',
''] + params_list,
['Please answer the following question. What is the boiling point of Nitrogen?', ''] + params_list,
['Answer the following yes/no question. Can you write a whole Haiku in a single tweet?', ''] + params_list,
["Simplify the following expression: (False or False and True). Explain your answer.", ''] + params_list,
[
"Premise: At my age you will probably have learnt one lesson. Hypothesis: It's not certain how many lessons you'll learn by your thirties. Does the premise entail the hypothesis?",
''] + params_list,
['The square root of x is the cube root of y. What is y to the power of 2, if x = 4?', ''] + params_list,
[
'Answer the following question by reasoning step by step. The cafeteria had 23 apples. If they used 20 for lunch, and bought 6 more, how many apple do they have?',
''] + params_list,
["""def area_of_rectangle(a: float, b: float):
\"\"\"Return the area of the rectangle.\"\"\"""", ''] + params_list,
["""# a function in native python:
def mean(a):
return sum(a)/len(a)
# the same function using numpy:
import numpy as np
def mean(a):""", ''] + params_list,
["""X = np.random.randn(100, 100)
y = np.random.randint(0, 1, 100)
# fit random forest classifier with 20 estimators""", ''] + params_list,
]
src_lang = "English"
tgt_lang = "Russian"
# move to correct position
for example in examples:
example += [chat, '', '', 'Disabled', ['All']]
# adjust examples if non-chat mode
if not chat:
example[eval_func_param_names.index('instruction_nochat')] = example[
eval_func_param_names.index('instruction')]
example[eval_func_param_names.index('instruction')] = ''
example[eval_func_param_names.index('iinput_nochat')] = example[eval_func_param_names.index('iinput')]
example[eval_func_param_names.index('iinput')] = ''
assert len(example) == len(eval_func_param_names), "Wrong example: %s %s" % (
len(example), len(eval_func_param_names))
return placeholder_instruction, placeholder_input, \
stream_output, show_examples, \
prompt_type, temperature, top_p, top_k, num_beams, \
max_new_tokens, min_new_tokens, early_stopping, max_time, \
repetition_penalty, num_return_sequences, \
do_sample, \
src_lang, tgt_lang, \
examples, \
task_info
def languages_covered():
# https://huggingface.co/facebook/mbart-large-50-many-to-many-mmt#languages-covered
covered = """Arabic (ar_AR), Czech (cs_CZ), German (de_DE), English (en_XX), Spanish (es_XX), Estonian (et_EE), Finnish (fi_FI), French (fr_XX), Gujarati (gu_IN), Hindi (hi_IN), Italian (it_IT), Japanese (ja_XX), Kazakh (kk_KZ), Korean (ko_KR), Lithuanian (lt_LT), Latvian (lv_LV), Burmese (my_MM), Nepali (ne_NP), Dutch (nl_XX), Romanian (ro_RO), Russian (ru_RU), Sinhala (si_LK), Turkish (tr_TR), Vietnamese (vi_VN), Chinese (zh_CN), Afrikaans (af_ZA), Azerbaijani (az_AZ), Bengali (bn_IN), Persian (fa_IR), Hebrew (he_IL), Croatian (hr_HR), Indonesian (id_ID), Georgian (ka_GE), Khmer (km_KH), Macedonian (mk_MK), Malayalam (ml_IN), Mongolian (mn_MN), Marathi (mr_IN), Polish (pl_PL), Pashto (ps_AF), Portuguese (pt_XX), Swedish (sv_SE), Swahili (sw_KE), Tamil (ta_IN), Telugu (te_IN), Thai (th_TH), Tagalog (tl_XX), Ukrainian (uk_UA), Urdu (ur_PK), Xhosa (xh_ZA), Galician (gl_ES), Slovene (sl_SI)"""
covered = covered.split(', ')
covered = {x.split(' ')[0]: x.split(' ')[1].replace(')', '').replace('(', '') for x in covered}
return covered
def get_context(chat_context, prompt_type):
if chat_context and prompt_type == 'human_bot':
context0 = """<bot>: I am an intelligent, helpful, truthful, and fair assistant named h2oGPT, who will give accurate, balanced, and reliable responses. I will not respond with I don't know or I don't understand.
<human>: I am a human person seeking useful assistance and request all questions be answered completely, and typically expect detailed responses. Give answers in numbered list format if several distinct but related items are being listed."""
else:
context0 = ''
return context0
def score_qa(smodel, stokenizer, max_length_tokenize, question, answer, cutoff_len):
question = question[-cutoff_len:]
answer = answer[-cutoff_len:]
inputs = stokenizer(question, answer,
return_tensors="pt",
truncation=True,
max_length=max_length_tokenize).to(smodel.device)
try:
score = torch.sigmoid(smodel(**inputs).logits[0]).cpu().detach().numpy()[0]
except torch.cuda.OutOfMemoryError as e:
print("GPU OOM 3: question: %s answer: %s exception: %s" % (question, answer, str(e)), flush=True)
del inputs
traceback.print_exc()
clear_torch_cache()
return 'Response Score: GPU OOM'
except (Exception, RuntimeError) as e:
if 'Expected all tensors to be on the same device' in str(e) or \
'expected scalar type Half but found Float' in str(e) or \
'probability tensor contains either' in str(e) or \
'cublasLt ran into an error!' in str(e):
print("GPU Error: question: %s answer: %s exception: %s" % (question, answer, str(e)),
flush=True)
traceback.print_exc()
clear_torch_cache()
return 'Response Score: GPU Error'
else:
raise
os.environ['TOKENIZERS_PARALLELISM'] = 'true'
return score
if __name__ == "__main__":
"""
Examples:
WORLD_SIZE=4 CUDA_VISIBLE_DEVICES="0,1,2,3" torchrun --nproc_per_node=4 --master_port=1234 generate.py --base_model='EleutherAI/gpt-j-6B' --lora_weights=lora-alpaca_6B
python generate.py --base_model='EleutherAI/gpt-j-6B' --lora_weights='lora-alpaca_6B'
python generate.py --base_model='EleutherAI/gpt-neox-20b' --lora_weights='lora-alpaca_20B'
# generate without lora weights, no prompt
python generate.py --base_model='EleutherAI/gpt-neox-20b' --prompt_type='plain'
python generate.py --base_model='togethercomputer/GPT-NeoXT-Chat-Base-20B' --prompt_type='dai_faq'
python generate.py --base_model='togethercomputer/GPT-NeoXT-Chat-Base-20B' --prompt_type='dai_faq' --lora_weights='lora_20B_daifaq'
# OpenChatKit settings:
python generate.py --base_model='togethercomputer/GPT-NeoXT-Chat-Base-20B' --prompt_type='human_bot --debug=True --num_beams=1 --temperature=0.6 --top_k=40 --top_p=1.0
python generate.py --base_model='distilgpt2' --prompt_type='plain' --debug=True --num_beams=1 --temperature=0.6 --top_k=40 --top_p=1.0 --share=False
python generate.py --base_model='t5-large' --prompt_type='simple_instruct'
python generate.py --base_model='philschmid/bart-large-cnn-samsum'
python generate.py --base_model='philschmid/flan-t5-base-samsum'
python generate.py --base_model='facebook/mbart-large-50-many-to-many-mmt'
python generate.py --base_model='togethercomputer/GPT-NeoXT-Chat-Base-20B' --prompt_type='human_bot' --lora_weights='GPT-NeoXT-Chat-Base-20B.merged.json.8_epochs.57b2892c53df5b8cefac45f84d019cace803ef26.28'
must have 4*48GB GPU and run without 8bit in order for sharding to work with infer_devices=False
can also pass --prompt_type='human_bot' and model can somewhat handle instructions without being instruct tuned
python generate.py --base_model=decapoda-research/llama-65b-hf --load_8bit=False --infer_devices=False --prompt_type='human_bot'
python generate.py --base_model=h2oai/h2ogpt-oig-oasst1-512-6_9b
"""
fire.Fire(main)
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