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local-llm-server/llm_server/workers/main.py

57 lines
2.7 KiB
Python

import time
from threading import Thread
from llm_server import opts
from llm_server.database.database import weighted_average_column_for_model
from llm_server.llm.info import get_running_model
from llm_server.routes.cache import redis
def main_background_thread():
redis.set('average_generation_elapsed_sec', 0)
redis.set('estimated_avg_tps', 0)
redis.set('average_output_tokens', 0)
redis.set('backend_online', 0)
redis.set_dict('backend_info', {})
while True:
# TODO: unify this
if opts.mode == 'oobabooga':
running_model, err = get_running_model()
if err:
print(err)
redis.set('backend_online', 0)
else:
redis.set('running_model', running_model)
redis.set('backend_online', 1)
elif opts.mode == 'vllm':
running_model, err = get_running_model()
if err:
print(err)
redis.set('backend_online', 0)
else:
redis.set('running_model', running_model)
redis.set('backend_online', 1)
else:
raise Exception
# exclude_zeros=True filters out rows where an error message was returned. Previously, if there was an error, 0
# was entered into the column. The new code enters null instead but we need to be backwards compatible for now.
average_generation_elapsed_sec = weighted_average_column_for_model('prompts', 'generation_time', running_model, opts.mode, opts.backend_url, exclude_zeros=True, include_system_tokens=opts.include_system_tokens_in_stats) or 0
if average_generation_elapsed_sec: # returns None on exception
redis.set('average_generation_elapsed_sec', average_generation_elapsed_sec)
# overall = average_column_for_model('prompts', 'generation_time', opts.running_model)
# print(f'Weighted: {average_generation_elapsed_sec}, overall: {overall}')
average_output_tokens = weighted_average_column_for_model('prompts', 'response_tokens', running_model, opts.mode, opts.backend_url, exclude_zeros=True, include_system_tokens=opts.include_system_tokens_in_stats) or 0
if average_generation_elapsed_sec:
redis.set('average_output_tokens', average_output_tokens)
# overall = average_column_for_model('prompts', 'response_tokens', opts.running_model)
# print(f'Weighted: {average_output_tokens}, overall: {overall}')
estimated_avg_tps = round(average_output_tokens / average_generation_elapsed_sec, 2) if average_generation_elapsed_sec > 0 else 0 # Avoid division by zero
redis.set('estimated_avg_tps', estimated_avg_tps)
time.sleep(60)