89 lines
2.5 KiB
Python
89 lines
2.5 KiB
Python
import logging
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from typing import Dict, List, Optional, Tuple, Union
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import numpy as np
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import numpy.typing as npt
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from sglang.srt.disaggregation.base.conn import (
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BaseKVManager,
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BaseKVReceiver,
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BaseKVSender,
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KVArgs,
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KVPoll,
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)
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logger = logging.getLogger(__name__)
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# For warmup reqs, we don't kv transfer, we use the fake sender and receiver
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class FakeKVSender(BaseKVSender):
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def __init__(self, mgr: BaseKVManager, bootstrap_addr: str, bootstrap_room: int):
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self.has_sent = False
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def poll(self) -> KVPoll:
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if self.has_sent is False:
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# Assume handshake completed instantly
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return KVPoll.WaitingForInput
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else:
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# Assume transfer completed instantly
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logger.info("FakeKVSender poll success")
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return KVPoll.Success
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def init(
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self,
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kv_indices: list[int],
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aux_index: Optional[int] = None,
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dest_ranks: Optional[list[int]] = None,
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):
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logger.info(
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f"FakeKVSender init with kv_indices: {kv_indices}, aux_index: {aux_index}, dest_ranks: {dest_ranks}"
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)
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pass
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def send(
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self,
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kv_indices: npt.NDArray[np.int64],
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index_slice: slice,
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is_last: bool,
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):
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logger.info(
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f"FakeKVSender send with kv_indices: {kv_indices}, index_slice: {index_slice}, is_last: {is_last}"
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)
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if is_last:
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self.has_sent = True
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logger.info(f"FakeKVSender send success")
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else:
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self.has_sent = False
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logger.info(f"FakeKVSender send fake transfering")
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def failure_exception(self):
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raise Exception("Fake KVSender Exception")
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class FakeKVReceiver(BaseKVReceiver):
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def __init__(
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self,
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mgr: BaseKVManager,
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bootstrap_addr: str,
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bootstrap_room: Optional[int] = None,
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):
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self.has_init = False
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def poll(self) -> KVPoll:
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if self.has_init is False:
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# Assume handshake completed instantly
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return KVPoll.WaitingForInput
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else:
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# Assume transfer completed instantly
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logger.info("FakeKVReceiver poll success")
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return KVPoll.Success
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def init(self, kv_indices: list[int], aux_index: Optional[int] = None):
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self.has_init = True
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logger.info(
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f"FakeKVReceiver init with kv_indices: {kv_indices}, aux_index: {aux_index}"
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)
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def failure_exception(self):
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raise Exception("Fake KVReceiver Exception")
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