Refactor: Remove numpy dependency from LoggingStatLogger (#20529)

Signed-off-by: zitian.zhao <zitian.zhao@tencentmusic.com>
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ZiTian.Zhao 2025-07-27 12:06:21 +08:00 committed by GitHub
parent 01a395e9e7
commit a8936e5193
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@ -6,7 +6,6 @@ import time
from abc import ABC, abstractmethod
from typing import Callable, Optional, Union
import numpy as np
import prometheus_client
from vllm.config import SupportsMetricsInfo, VllmConfig
@ -67,18 +66,20 @@ class LoggingStatLogger(StatLoggerBase):
self.last_log_time = now
# Tracked stats over current local logging interval.
self.num_prompt_tokens: list[int] = []
self.num_generation_tokens: list[int] = []
self.num_prompt_tokens: int = 0
self.num_generation_tokens: int = 0
def _track_iteration_stats(self, iteration_stats: IterationStats):
# Save tracked stats for token counters.
self.num_prompt_tokens.append(iteration_stats.num_prompt_tokens)
self.num_generation_tokens.append(
iteration_stats.num_generation_tokens)
self.num_prompt_tokens += iteration_stats.num_prompt_tokens
self.num_generation_tokens += iteration_stats.num_generation_tokens
def _get_throughput(self, tracked_stats: list[int], now: float) -> float:
def _get_throughput(self, tracked_stats: int, now: float) -> float:
# Compute summary metrics for tracked stats
return float(np.sum(tracked_stats) / (now - self.last_log_time))
delta_time = now - self.last_log_time
if delta_time <= 0.0:
return 0.0
return float(tracked_stats / delta_time)
def record(self,
scheduler_stats: Optional[SchedulerStats],