df0ec55162
### What this PR does / why we need it?
This PR adopt `LLMDataDist` for kv cache register and `pull_blocks`
style disaggregate prefill implementation. The interface implementation
mainly follows the design of NIXL PR
https://github.com/vllm-project/vllm/pull/17751/files#diff-7eaad0b7dee0626bf29d10081b0f0c5e3ea15a4af97e7b182a4e0d35f8346953
.
This PR can be test with the following step:
- Generate the rank table for all machine.
- execute`toy_proxy.py` to launch the disaggregate prefill proxy server,
specify the prefill ip, port and the decode ip, port
- Run the prefill server and decode server.
- send the request to the disaggregate prefill proxy
### Does this PR introduce _any_ user-facing change?
### How was this patch tested?
- vLLM version: v0.9.2
- vLLM main:
8d0a01a5f2
---------
Signed-off-by: ganyi <pleaplusone.gy@gmail.com>
Signed-off-by: machenglong <machenglong_yewu@cmss.chinamobile.com>
Signed-off-by: liziyu179 <3475441767@qq.com>
Signed-off-by: underfitc <hucong24@huawei.com>
Signed-off-by: zouyida2052 <zouyida@huawei.com>
Signed-off-by: liziyu <liziyu16@huawei.com>
Signed-off-by: underfituu <hzhucong@163.com>
Co-authored-by: machenglong <machenglong_yewu@cmss.chinamobile.com>
Co-authored-by: liziyu179 <3475441767@qq.com>
Co-authored-by: underfitc <hucong24@huawei.com>
Co-authored-by: zouyida2052 <zouyida@huawei.com>
Co-authored-by: liziyu <liziyu16@huawei.com>
Co-authored-by: underfituu <hzhucong@163.com>
43 lines
1.7 KiB
Python
43 lines
1.7 KiB
Python
# SPDX-License-Identifier: Apache-2.0
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# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
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# Copyright (c) 2025 Huawei Technologies Co., Ltd. All Rights Reserved.
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from tests.ut.kv_connector.utils import (create_request, create_scheduler,
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create_vllm_config)
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from vllm_ascend.distributed.llmdatadist_c_mgr_connector import \
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LLMDataDistCMgrConnectorMetadata
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def test_basic_inferface():
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"""Unit test for basic LLMDataDistCMgrConnector interface functionality."""
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vllm_config = create_vllm_config()
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scheduler = create_scheduler(vllm_config)
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# 2 Full Blocks and 1 Half Block.
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BLOCK_SIZE = vllm_config.cache_config.block_size
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NUM_EXTERNAL_FULL_BLOCKS = 2
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NUM_TOKENS = int(BLOCK_SIZE * (NUM_EXTERNAL_FULL_BLOCKS + 0.5))
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request = create_request(request_id=1,
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num_tokens=NUM_TOKENS,
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do_remote_prefill=True)
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request_id = request.request_id
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scheduler.add_request(request)
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# Remote Prefill, triggers LLMDataDistCMgrConnectorMetadata.
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scheduler_output = scheduler.schedule()
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kv_connector_metadata = scheduler_output.kv_connector_metadata
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assert kv_connector_metadata is not None
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assert isinstance(kv_connector_metadata, LLMDataDistCMgrConnectorMetadata)
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assert len(kv_connector_metadata.requests) == 1
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assert request_id in kv_connector_metadata.requests
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req_meta = kv_connector_metadata.requests[request_id]
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for block_id, block in zip(
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req_meta.local_block_ids, scheduler.kv_cache_manager.coordinator.
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single_type_managers[0].req_to_blocks[request_id]):
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assert block_id == block.block_id
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