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Use nixl pr's batch workers #18

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Use nixl pr's batch workers #18

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fc6293b
Use nixl pr's batch workers
praveingk Jul 15, 2025
ab34419
Fix to enable threads
praveingk Jul 16, 2025
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6 changes: 4 additions & 2 deletions vllm/distributed/kv_transfer/kv_connector/v1/nixl_connector.py
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Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,7 @@

# Lazy import nixl_wrapper to avoid loading nixl_bindings if nixl is not used
try:
from nixl._api import nixl_agent as NixlWrapper
from nixl._api import nixl_agent as NixlWrapper, nixl_agent_config
logger.info("NIXL is available")
except ImportError:
logger.warning("NIXL is not available")
Expand Down Expand Up @@ -329,7 +329,9 @@ def __init__(self, vllm_config: VllmConfig, engine_id: str):
self.block_size = vllm_config.cache_config.block_size

# Agent.
self.nixl_wrapper = NixlWrapper(str(uuid.uuid4()), None)
num_workers = 32
config = nixl_agent_config(enable_prog_thread=False, num_threads=num_workers)
self.nixl_wrapper = NixlWrapper(str(uuid.uuid4()), config)
# Map of engine_id -> {rank0: agent_name0, rank1: agent_name1..}.
self._remote_agents: dict[str, dict[int, str]] = defaultdict(dict)

Expand Down