1ffca8673f
### What this PR does / why we need it?
Add basic 310p support. Only dense models work with eager mode now.
- vLLM version: v0.13.0
- vLLM main:
2f4e6548ef
---------
Signed-off-by: Tflowers-0129 <2906339855@qq.com>
Signed-off-by: Shaoxu Cheng <2906339855@qq.com>
90 lines
3.3 KiB
Python
90 lines
3.3 KiB
Python
#
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# Copyright (c) 2025 Huawei Technologies Co., Ltd. All Rights Reserved.
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# Copyright 2023 The vLLM team.
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#
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Adapted from vllm/model_executor/models/qwen2_vl.py
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# This file is a part of the vllm-ascend project.
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import torch
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from vllm_ascend.utils import AscendDeviceType, get_ascend_device_type
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class NullHandle:
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def __init__(self):
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pass
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def wait(self):
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pass
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def communication_adaptation_310p():
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def broadcast310p_wrapper(fn):
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def broadcast310p(tensor, src=0, group=None, async_op=False, group_src=None):
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root = group_src if group_src is not None else src
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if tensor.device == torch.device("cpu"):
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return fn(tensor, src=root, group=group, async_op=async_op)
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rank = torch.distributed.get_rank(group)
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world_size = torch.distributed.get_world_size(group)
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tensor_list = [torch.empty_like(tensor) for _ in range(world_size)]
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tensor_list[rank] = tensor
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torch.distributed.all_gather(tensor_list, tensor, group=group)
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tensor[...] = tensor_list[src]
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if async_op:
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return NullHandle()
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else:
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return None
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return broadcast310p
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torch.distributed.broadcast = broadcast310p_wrapper(torch.distributed.broadcast)
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torch.distributed.distributed_c10d.broadcast = broadcast310p_wrapper(torch.distributed.distributed_c10d.broadcast)
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def all_reduce_wrapper_310p(fn):
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def all_reduce(
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tensor,
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op=torch.distributed.ReduceOp.SUM,
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group=None,
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async_op=False,
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):
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if tensor.dtype != torch.int64:
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return fn(tensor, op, group, async_op)
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rank = torch.distributed.get_rank(group)
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world_size = torch.distributed.get_world_size(group)
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tensor_list = [torch.empty_like(tensor) for _ in range(world_size)]
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tensor_list[rank] = tensor
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torch.distributed.all_gather(tensor_list, tensor, group=group)
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if op == torch.distributed.ReduceOp.SUM:
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return torch.stack(tensor_list).sum(0)
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elif op == torch.distributed.ReduceOp.MAX:
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return torch.tensor(
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torch.stack(tensor_list).cpu().numpy().max(0),
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device=tensor.device,
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)
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else:
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raise RuntimeError(f"not implement op {op}")
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return all_reduce
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torch.distributed.all_reduce = all_reduce_wrapper_310p(torch.distributed.all_reduce)
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torch.distributed.distributed_c10d.all_reduce = all_reduce_wrapper_310p(
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torch.distributed.distributed_c10d.all_reduce
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)
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if get_ascend_device_type() == AscendDeviceType._310P:
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communication_adaptation_310p()
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