fix(model): Fix benchmarks bugs

This commit is contained in:
FangYin Cheng 2023-11-18 17:15:26 +08:00
parent 1f22459fbe
commit 4ffd054a2a
6 changed files with 611 additions and 20 deletions

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@ -1,9 +1,9 @@
import os
import logging
from typing import Dict, Iterator, List, Optional
from typing import Dict, Iterator, List, Optional
import time
import copy
import traceback
from pilot.configs.model_config import get_device
from pilot.model.model_adapter import get_llm_model_adapter, LLMModelAdaper
@ -332,6 +332,8 @@ class DefaultModelWorker(ModelWorker):
text="**GPU OutOfMemory, Please Refresh.**", error_code=1
)
else:
msg = traceback.format_exc()
logger.error(f"Model inference error, detail: {msg}")
model_output = ModelOutput(
text=f"**LLMServer Generate Error, Please CheckErrorInfo.**: {e}",
error_code=1,

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@ -1,9 +1,13 @@
from typing import Dict
import os
from vllm import AsyncLLMEngine
from vllm.utils import random_uuid
from vllm.sampling_params import SamplingParams
_IS_BENCHMARK = os.getenv("DB_GPT_MODEL_BENCHMARK", "False").lower() == "true"
async def generate_stream(
model: AsyncLLMEngine, tokenizer, params: Dict, device: str, context_len: int
):
@ -37,15 +41,29 @@ async def generate_stream(
top_p = max(top_p, 1e-5)
if temperature <= 1e-5:
top_p = 1.0
gen_params = {
"stop": list(stop),
"ignore_eos": False,
}
prompt_token_ids = None
if _IS_BENCHMARK:
gen_params["stop"] = []
gen_params["ignore_eos"] = True
prompt_len = context_len - max_new_tokens - 2
prompt_token_ids = tokenizer([prompt]).input_ids[0]
prompt_token_ids = prompt_token_ids[-prompt_len:]
sampling_params = SamplingParams(
n=1,
temperature=temperature,
top_p=top_p,
use_beam_search=False,
stop=list(stop),
max_tokens=max_new_tokens,
**gen_params
)
results_generator = model.generate(
prompt, sampling_params, request_id, prompt_token_ids=prompt_token_ids
)
results_generator = model.generate(prompt, sampling_params, request_id)
async for request_output in results_generator:
prompt = request_output.prompt
if echo:

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@ -39,7 +39,7 @@ if TYPE_CHECKING:
logger = logging.getLogger(__name__)
thread_local = threading.local()
_IS_BENCHMARK = os.getenv("DB_GPT_MODEL_BENCHMARK", "False").lower() == "true"
_OLD_MODELS = [
"llama-cpp",
@ -228,9 +228,16 @@ class FastChatLLMModelAdaperWrapper(LLMModelAdaper):
return self._adapter.load_model(model_path, from_pretrained_kwargs)
def get_generate_stream_function(self, model: "TorchNNModule", model_path: str):
from fastchat.model.model_adapter import get_generate_stream_function
if _IS_BENCHMARK:
from pilot.utils.benchmarks.llm.fastchat_benchmarks_inference import (
generate_stream,
)
return get_generate_stream_function(model, model_path)
return generate_stream
else:
from fastchat.model.model_adapter import get_generate_stream_function
return get_generate_stream_function(model, model_path)
def get_default_conv_template(
self, model_name: str, model_path: str

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@ -0,0 +1,565 @@
"""
Adapted from fastchat: https://github.com/lm-sys/FastChat/blob/main/fastchat/serve/inference.py.
For benchmarks.
"""
import abc
import gc
import json
import math
import os
import sys
import time
from typing import Iterable, Optional, Dict, TYPE_CHECKING
import warnings
import psutil
import torch
from transformers import (
AutoTokenizer,
AutoModelForCausalLM,
LlamaTokenizer,
LlamaForCausalLM,
AutoModel,
AutoModelForSeq2SeqLM,
T5Tokenizer,
AutoConfig,
)
from transformers.generation.logits_process import (
LogitsProcessorList,
RepetitionPenaltyLogitsProcessor,
TemperatureLogitsWarper,
TopKLogitsWarper,
TopPLogitsWarper,
)
from fastchat.conversation import get_conv_template, SeparatorStyle
from fastchat.model.model_adapter import (
load_model,
get_conversation_template,
get_generate_stream_function,
)
from fastchat.modules.awq import AWQConfig
from fastchat.modules.gptq import GptqConfig
if TYPE_CHECKING:
from fastchat.modules.exllama import ExllamaConfig
from fastchat.modules.xfastertransformer import XftConfig
from fastchat.utils import is_partial_stop, is_sentence_complete, get_context_length
def prepare_logits_processor(
temperature: float, repetition_penalty: float, top_p: float, top_k: int
) -> LogitsProcessorList:
processor_list = LogitsProcessorList()
# TemperatureLogitsWarper doesn't accept 0.0, 1.0 makes it a no-op so we skip two cases.
if temperature >= 1e-5 and temperature != 1.0:
processor_list.append(TemperatureLogitsWarper(temperature))
if repetition_penalty > 1.0:
processor_list.append(RepetitionPenaltyLogitsProcessor(repetition_penalty))
if 1e-8 <= top_p < 1.0:
processor_list.append(TopPLogitsWarper(top_p))
if top_k > 0:
processor_list.append(TopKLogitsWarper(top_k))
return processor_list
@torch.inference_mode()
def generate_stream(
model,
tokenizer,
params: Dict,
device: str,
context_len: int,
stream_interval: int = 2,
judge_sent_end: bool = False,
):
if hasattr(model, "device"):
device = model.device
# Read parameters
prompt = params["prompt"]
len_prompt = len(prompt)
temperature = float(params.get("temperature", 1.0))
repetition_penalty = float(params.get("repetition_penalty", 1.0))
top_p = float(params.get("top_p", 1.0))
top_k = int(params.get("top_k", -1)) # -1 means disable
max_new_tokens = int(params.get("max_new_tokens", 256))
logprobs = params.get("logprobs", None) # FIXME: Support logprobs>1.
echo = bool(params.get("echo", True))
stop_str = params.get("stop", None)
stop_token_ids = params.get("stop_token_ids", None) or []
if tokenizer.eos_token_id not in stop_token_ids:
stop_token_ids.append(tokenizer.eos_token_id)
logits_processor = prepare_logits_processor(
temperature, repetition_penalty, top_p, top_k
)
input_ids = tokenizer(prompt).input_ids
if model.config.is_encoder_decoder:
max_src_len = context_len
else: # truncate
max_src_len = context_len - max_new_tokens - 1
input_ids = input_ids[-max_src_len:]
output_ids = list(input_ids)
input_echo_len = len(input_ids)
# Don't stop generate until max_new_tokens is reached.
stop_token_ids = []
stop_str = None
if model.config.is_encoder_decoder:
if logprobs is not None: # FIXME: Support logprobs for encoder-decoder models.
raise NotImplementedError
encoder_output = model.encoder(
input_ids=torch.as_tensor([input_ids], device=device)
)[0]
start_ids = torch.as_tensor(
[[model.generation_config.decoder_start_token_id]],
dtype=torch.int64,
device=device,
)
else:
start_ids = torch.as_tensor([input_ids], device=device)
past_key_values = out = None
token_logprobs = [None] # The first token has no logprobs.
sent_interrupt = False
finish_reason = None
for i in range(max_new_tokens):
if i == 0: # prefill
if model.config.is_encoder_decoder:
out = model.decoder(
input_ids=start_ids,
encoder_hidden_states=encoder_output,
use_cache=True,
)
logits = model.lm_head(out[0])
else:
out = model(input_ids=start_ids, use_cache=True)
logits = out.logits
past_key_values = out.past_key_values
if logprobs is not None:
# Prefull logprobs for the prompt.
shift_input_ids = start_ids[..., 1:].contiguous()
shift_logits = logits[..., :-1, :].contiguous()
shift_logits = torch.log_softmax(shift_logits, dim=-1).tolist()
for label_id, logit in zip(
shift_input_ids[0].tolist(), shift_logits[0]
):
token_logprobs.append(logit[label_id])
else: # decoding
if model.config.is_encoder_decoder:
out = model.decoder(
input_ids=torch.as_tensor(
[[token] if not sent_interrupt else output_ids],
device=device,
),
encoder_hidden_states=encoder_output,
use_cache=True,
past_key_values=past_key_values if not sent_interrupt else None,
)
sent_interrupt = False
logits = model.lm_head(out[0])
else:
out = model(
input_ids=torch.as_tensor(
[[token] if not sent_interrupt else output_ids],
device=device,
),
use_cache=True,
past_key_values=past_key_values if not sent_interrupt else None,
)
sent_interrupt = False
logits = out.logits
past_key_values = out.past_key_values
if logits_processor:
if repetition_penalty > 1.0:
tmp_output_ids = torch.as_tensor([output_ids], device=logits.device)
else:
tmp_output_ids = None
last_token_logits = logits_processor(tmp_output_ids, logits[:, -1, :])[0]
else:
last_token_logits = logits[0, -1, :]
if device == "mps":
# Switch to CPU by avoiding some bugs in mps backend.
last_token_logits = last_token_logits.float().to("cpu")
if temperature < 1e-5 or top_p < 1e-8: # greedy
_, indices = torch.topk(last_token_logits, 2)
tokens = [int(index) for index in indices.tolist()]
else:
probs = torch.softmax(last_token_logits, dim=-1)
indices = torch.multinomial(probs, num_samples=2)
tokens = [int(token) for token in indices.tolist()]
token = tokens[0]
output_ids.append(token)
if logprobs is not None:
# Cannot use last_token_logits because logprobs is based on raw logits.
token_logprobs.append(
torch.log_softmax(logits[0, -1, :], dim=-1)[token].tolist()
)
if token in stop_token_ids:
stopped = True
else:
stopped = False
# Yield the output tokens
if i % stream_interval == 0 or i == max_new_tokens - 1 or stopped:
if echo:
tmp_output_ids = output_ids
rfind_start = len_prompt
else:
tmp_output_ids = output_ids[input_echo_len:]
rfind_start = 0
output = tokenizer.decode(
tmp_output_ids,
skip_special_tokens=True,
spaces_between_special_tokens=False,
clean_up_tokenization_spaces=True,
)
ret_logprobs = None
if logprobs is not None:
ret_logprobs = {
"text_offset": [],
"tokens": [
tokenizer.decode(token)
for token in (
output_ids if echo else output_ids[input_echo_len:]
)
],
"token_logprobs": token_logprobs
if echo
else token_logprobs[input_echo_len:],
"top_logprobs": [{}]
* len(token_logprobs if echo else token_logprobs[input_echo_len:]),
}
# Compute text_offset
curr_pos = 0
for text in ret_logprobs["tokens"]:
ret_logprobs["text_offset"].append(curr_pos)
curr_pos += len(text)
# TODO: For the issue of incomplete sentences interrupting output, apply a patch and others can also modify it to a more elegant way
if judge_sent_end and stopped and not is_sentence_complete(output):
if len(tokens) > 1:
token = tokens[1]
output_ids[-1] = token
else:
output_ids.pop()
stopped = False
sent_interrupt = True
partially_stopped = False
if stop_str:
if isinstance(stop_str, str):
pos = output.rfind(stop_str, rfind_start)
if pos != -1:
output = output[:pos]
stopped = True
else:
partially_stopped = is_partial_stop(output, stop_str)
elif isinstance(stop_str, Iterable):
for each_stop in stop_str:
pos = output.rfind(each_stop, rfind_start)
if pos != -1:
output = output[:pos]
stopped = True
break
else:
partially_stopped = is_partial_stop(output, each_stop)
if partially_stopped:
break
else:
raise ValueError("Invalid stop field type.")
# Prevent yielding partial stop sequence
if not partially_stopped:
yield {
"text": output,
"logprobs": ret_logprobs,
"usage": {
"prompt_tokens": input_echo_len,
"completion_tokens": i,
"total_tokens": input_echo_len + i,
},
"finish_reason": None,
}
if stopped:
break
# Finish stream event, which contains finish reason
else:
finish_reason = "length"
if stopped:
finish_reason = "stop"
yield {
"text": output,
"logprobs": ret_logprobs,
"usage": {
"prompt_tokens": input_echo_len,
"completion_tokens": i,
"total_tokens": input_echo_len + i,
},
"finish_reason": finish_reason,
}
# Clean
del past_key_values, out
gc.collect()
torch.cuda.empty_cache()
if device == "xpu":
torch.xpu.empty_cache()
if device == "npu":
torch.npu.empty_cache()
class ChatIO(abc.ABC):
@abc.abstractmethod
def prompt_for_input(self, role: str) -> str:
"""Prompt for input from a role."""
@abc.abstractmethod
def prompt_for_output(self, role: str):
"""Prompt for output from a role."""
@abc.abstractmethod
def stream_output(self, output_stream):
"""Stream output."""
@abc.abstractmethod
def print_output(self, text: str):
"""Print output."""
def chat_loop(
model_path: str,
device: str,
num_gpus: int,
max_gpu_memory: str,
dtype: Optional[torch.dtype],
load_8bit: bool,
cpu_offloading: bool,
conv_template: Optional[str],
conv_system_msg: Optional[str],
temperature: float,
repetition_penalty: float,
max_new_tokens: int,
chatio: ChatIO,
gptq_config: Optional[GptqConfig] = None,
awq_config: Optional[AWQConfig] = None,
exllama_config: Optional["ExllamaConfig"] = None,
xft_config: Optional["XftConfig"] = None,
revision: str = "main",
judge_sent_end: bool = True,
debug: bool = True,
history: bool = True,
):
# Model
model, tokenizer = load_model(
model_path,
device=device,
num_gpus=num_gpus,
max_gpu_memory=max_gpu_memory,
dtype=dtype,
load_8bit=load_8bit,
cpu_offloading=cpu_offloading,
gptq_config=gptq_config,
awq_config=awq_config,
exllama_config=exllama_config,
xft_config=xft_config,
revision=revision,
debug=debug,
)
generate_stream_func = get_generate_stream_function(model, model_path)
model_type = str(type(model)).lower()
is_t5 = "t5" in model_type
is_codet5p = "codet5p" in model_type
is_xft = "xft" in model_type
# Hardcode T5's default repetition penalty to be 1.2
if is_t5 and repetition_penalty == 1.0:
repetition_penalty = 1.2
# Set context length
context_len = get_context_length(model.config)
# Chat
def new_chat():
if conv_template:
conv = get_conv_template(conv_template)
else:
conv = get_conversation_template(model_path)
if conv_system_msg is not None:
conv.set_system_message(conv_system_msg)
return conv
def reload_conv(conv):
"""
Reprints the conversation from the start.
"""
for message in conv.messages[conv.offset :]:
chatio.prompt_for_output(message[0])
chatio.print_output(message[1])
conv = None
while True:
if not history or not conv:
conv = new_chat()
try:
inp = chatio.prompt_for_input(conv.roles[0])
except EOFError:
inp = ""
if inp == "!!exit" or not inp:
print("exit...")
break
elif inp == "!!reset":
print("resetting...")
conv = new_chat()
continue
elif inp == "!!remove":
print("removing last message...")
if len(conv.messages) > conv.offset:
# Assistant
if conv.messages[-1][0] == conv.roles[1]:
conv.messages.pop()
# User
if conv.messages[-1][0] == conv.roles[0]:
conv.messages.pop()
reload_conv(conv)
else:
print("No messages to remove.")
continue
elif inp == "!!regen":
print("regenerating last message...")
if len(conv.messages) > conv.offset:
# Assistant
if conv.messages[-1][0] == conv.roles[1]:
conv.messages.pop()
# User
if conv.messages[-1][0] == conv.roles[0]:
reload_conv(conv)
# Set inp to previous message
inp = conv.messages.pop()[1]
else:
# Shouldn't happen in normal circumstances
print("No user message to regenerate from.")
continue
else:
print("No messages to regenerate.")
continue
elif inp.startswith("!!save"):
args = inp.split(" ", 1)
if len(args) != 2:
print("usage: !!save <filename>")
continue
else:
filename = args[1]
# Add .json if extension not present
if not "." in filename:
filename += ".json"
print("saving...", filename)
with open(filename, "w") as outfile:
json.dump(conv.dict(), outfile)
continue
elif inp.startswith("!!load"):
args = inp.split(" ", 1)
if len(args) != 2:
print("usage: !!load <filename>")
continue
else:
filename = args[1]
# Check if file exists and add .json if needed
if not os.path.exists(filename):
if (not filename.endswith(".json")) and os.path.exists(
filename + ".json"
):
filename += ".json"
else:
print("file not found:", filename)
continue
print("loading...", filename)
with open(filename, "r") as infile:
new_conv = json.load(infile)
conv = get_conv_template(new_conv["template_name"])
conv.set_system_message(new_conv["system_message"])
conv.messages = new_conv["messages"]
reload_conv(conv)
continue
conv.append_message(conv.roles[0], inp)
conv.append_message(conv.roles[1], None)
prompt = conv.get_prompt()
if is_codet5p: # codet5p is a code completion model.
prompt = inp
gen_params = {
"model": model_path,
"prompt": prompt,
"temperature": temperature,
"repetition_penalty": repetition_penalty,
"max_new_tokens": max_new_tokens,
"stop": conv.stop_str,
"stop_token_ids": conv.stop_token_ids,
"echo": False,
}
try:
chatio.prompt_for_output(conv.roles[1])
output_stream = generate_stream_func(
model,
tokenizer,
gen_params,
device,
context_len=context_len,
judge_sent_end=judge_sent_end,
)
t = time.time()
outputs = chatio.stream_output(output_stream)
duration = time.time() - t
conv.update_last_message(outputs.strip())
if debug:
num_tokens = len(tokenizer.encode(outputs))
msg = {
"conv_template": conv.name,
"prompt": prompt,
"outputs": outputs,
"speed (token/s)": round(num_tokens / duration, 2),
}
print(f"\n{msg}\n")
except KeyboardInterrupt:
print("stopped generation.")
# If generation didn't finish
if conv.messages[-1][1] is None:
conv.messages.pop()
# Remove last user message, so there isn't a double up
if conv.messages[-1][0] == conv.roles[0]:
conv.messages.pop()
reload_conv(conv)

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@ -40,15 +40,6 @@ def get_result_csv_file() -> str:
)
input_output_length_pair = [
[64, 256],
[64, 512],
[64, 1024],
[512, 1024],
[1024, 1024],
[1024, 2048],
[2048, 2048],
]
input_lens = [64, 64]
output_lens = [256, 512]
@ -96,8 +87,8 @@ def build_param(
system_prompt: str = None,
) -> Dict:
hist = []
if system_prompt:
hist.append()(
if system_prompt is not None:
hist.append(
ModelMessage(role=ModelMessageRoleType.SYSTEM, content=system_prompt)
)
hist.append(ModelMessage(role=ModelMessageRoleType.HUMAN, content=user_input))
@ -119,8 +110,15 @@ async def run_batch(
):
tasks = []
prompt = read_prompt_from_file("11k")
if model_type == "vllm":
max_input_str_len = input_len
if "baichuan" in model_name:
# TODO prompt handle first
max_input_str_len *= 2
prompt = prompt[-max_input_str_len:]
for _ in range(parallel_num):
params = build_param(input_len, output_len, prompt)
params = build_param(input_len, output_len, prompt, system_prompt="")
tasks.append(wh.generate(params))
print(
f"Begin run benchmarks, model name: {model_name}, input_len: {input_len}, output_len: {output_len}, parallel_num: {parallel_num}, save result to {output_file}"
@ -136,6 +134,7 @@ async def run_batch(
metrics = r.metrics
if isinstance(metrics, dict):
metrics = ModelInferenceMetrics(**metrics)
print(r)
test_total_tokens += metrics.total_tokens
row_data = metrics.to_dict()
rows.append(row_data)

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@ -11,7 +11,7 @@ parallel_nums=${3:-$default_parallel_nums}
run_benchmark() {
local model_name=$1
local model_type=$2
python pilot/utils/benchmarks/llm/llm_benchmarks.py --model_name ${model_name} --model_type ${model_type} --input_lens ${input_lens} --output_lens ${output_lens} --parallel_nums ${parallel_nums}
DB_GPT_MODEL_BENCHMARK=true python pilot/utils/benchmarks/llm/llm_benchmarks.py --model_name ${model_name} --model_type ${model_type} --input_lens ${input_lens} --output_lens ${output_lens} --parallel_nums ${parallel_nums}
}
run_benchmark "vicuna-7b-v1.5" "huggingface"