Files
xc-llm-ascend/vllm_ascend/distributed/kv_transfer/utils.py
whx 8b194ad12e [Disaggregated Prefill] P2P Disaggregated Prefill based on llm_datadist (#694)
### What this PR does / why we need it?
- This PR proposes a P2P version of Disaggregated Prefill based on
llm_datadist which manages data transfer.

- This solution reconstructs previous offline single-node Disaggregated
Prefill solution, and supports multi-node and online serveing now.

- Currently this solution supports 1P1D situation of Deepseek hybrid
parallelism (P: TP+EP, D: DP+EP). Note that xPyD situation is considered
in the solution design, and will be supported soon within v1 engine.

---------

Signed-off-by: hw_whx <wanghexiang7@huawei.com>
Signed-off-by: ganyi <pleaplusone.gy@gmail.com>
Co-authored-by: hw_whx <wanghexiang7@huawei.com>
Co-authored-by: ganyi <pleaplusone.gy@gmail.com>
2025-05-01 22:31:36 +08:00

40 lines
1.5 KiB
Python

#
# Copyright (c) 2025 Huawei Technologies Co., Ltd. All Rights Reserved.
# This file is a part of the vllm-ascend project.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import llm_datadist # type: ignore
import torch
TORCH_DTYPE_TO_NPU_DTYPE = {
torch.half: llm_datadist.DataType.DT_FLOAT16,
torch.float16: llm_datadist.DataType.DT_FLOAT16,
torch.bfloat16: llm_datadist.DataType.DT_BF16,
torch.float: llm_datadist.DataType.DT_FLOAT,
torch.float32: llm_datadist.DataType.DT_FLOAT,
torch.int8: llm_datadist.DataType.DT_INT8,
torch.int64: llm_datadist.DataType.DT_INT64,
torch.int32: llm_datadist.DataType.DT_INT32,
}
NPU_DTYPE_TO_TORCH_DTYPE = {
llm_datadist.DataType.DT_FLOAT16: torch.half,
llm_datadist.DataType.DT_FLOAT16: torch.float16,
llm_datadist.DataType.DT_BF16: torch.bfloat16,
llm_datadist.DataType.DT_FLOAT: torch.float,
llm_datadist.DataType.DT_FLOAT: torch.float32,
llm_datadist.DataType.DT_INT8: torch.int8,
llm_datadist.DataType.DT_INT64: torch.int64,
llm_datadist.DataType.DT_INT32: torch.int32,
}