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Merge pull request #227 from hrz6976/main

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Add a lock to server inference()
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Azure 2025-02-14 10:35:11 +08:00 • committed by GitHub
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1 changed files with 9 additions and 1 deletions
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10
ktransformers/server/backend/interfaces/ktransformers.py
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@ -1,4 +1,5 @@
import torch import torch
import asyncio
from transformers import AutoTokenizer, AutoConfig, GenerationConfig from transformers import AutoTokenizer, AutoConfig, GenerationConfig
from ktransformers.server.backend.interfaces.transformers import ( from ktransformers.server.backend.interfaces.transformers import (
TransformersInterface, TransformersInterface,
@ -70,6 +71,8 @@ class KTransformersInterface(TransformersInterface):
self.model.generation_config.pad_token_id = self.model.generation_config.eos_token_id self.model.generation_config.pad_token_id = self.model.generation_config.eos_token_id
self.streamer = TextStreamer(self.tokenizer) self.streamer = TextStreamer(self.tokenizer)
self._infer_lock = asyncio.Lock()
def decode_one_tokens(self): def decode_one_tokens(self):
device_map = self.model.gguf_loader.tensor_device_map device_map = self.model.gguf_loader.tensor_device_map
torch_device = get_device("blk.0.self_attn", device_map) torch_device = get_device("blk.0.self_attn", device_map)
@ -171,4 +174,9 @@ class KTransformersInterface(TransformersInterface):
@property @property
def active_cache_position(self): def active_cache_position(self):
device = self.device_map.get("blk.0.self_attn", {}).get("generate_device", "cuda:0") device = self.device_map.get("blk.0.self_attn", {}).get("generate_device", "cuda:0")
return torch.tensor([self.seq_length - 1], device=device) return torch.tensor([self.seq_length - 1], device=device)
async def inference(self, local_messages, thread_id: str):
async with self._infer_lock:
async for v in super().inference(local_messages, thread_id):
yield v