40 lines
880 B
Python
40 lines
880 B
Python
# SPDX-License-Identifier: Apache-2.0
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# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
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from abc import ABC
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import numpy as np
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from vllm.v1.kv_offload.abstract import LoadStoreSpec
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class BlockIDsLoadStoreSpec(LoadStoreSpec, ABC):
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"""
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Spec for loading/storing KV blocks from given block numbers.
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"""
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def __init__(self, block_ids: list[int]):
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self.block_ids = np.array(block_ids, dtype=np.int64)
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def __repr__(self) -> str:
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return repr(self.block_ids)
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class GPULoadStoreSpec(BlockIDsLoadStoreSpec):
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"""
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Spec for loading/storing a KV block to GPU memory.
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"""
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@staticmethod
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def medium() -> str:
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return "GPU"
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class CPULoadStoreSpec(BlockIDsLoadStoreSpec):
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"""
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Spec for loading/storing a KV block to CPU memory.
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"""
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@staticmethod
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def medium() -> str:
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return "CPU"
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