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DeepSeek-V3.2

1 简介

DeepSeek-V3.2 是一种稀疏注意力模型。其主要架构与 DeepSeek-V3.1 类似,但引入了稀疏注意力机制,旨在探索和验证长上下文场景下训练与推理效率的优化方案。

本文档将展示该模型的主要验证步骤,包括支持的特性、特性配置、环境准备、单节点与多节点部署、精度及性能评估。

2 支持的特性

请参考支持的特性获取该模型支持的特性矩阵。

请参考特性指南获取特性的配置方法。

3 前提条件

3.1 模型权重

  • DeepSeek-V3.2-Exp-W8A8(量化版本):需要 1 个 Atlas 800 A3(64G × 16)节点2 个 Atlas 800 A2(64G × 8)节点下载模型权重
  • DeepSeek-V3.2-w8a8(量化版本):需要 1 个 Atlas 800 A3(64G × 16)节点2 个 Atlas 800 A2(64G × 8)节点下载模型权重

建议将模型权重下载到多节点的共享目录中,例如 /root/.cache/

3.2 验证多节点通信(可选)

如需部署多节点环境,需按照验证多节点通信环境中的说明验证多节点通信。

4 安装

4.1 Docker镜像安装

您可以直接使用官方 Docker 镜像运行 DeepSeek-V3.2

在每个节点上启动Docker镜像。

export IMAGE=quay.io/ascend/vllm-ascend:v0.22.1rc1-a3
docker run --rm \
    --name vllm-ascend \
    --privileged=true \
    --shm-size=1g \
    --net=host \
    --device /dev/davinci0 \
    --device /dev/davinci1 \
    --device /dev/davinci2 \
    --device /dev/davinci3 \
    --device /dev/davinci4 \
    --device /dev/davinci5 \
    --device /dev/davinci6 \
    --device /dev/davinci7 \
    --device /dev/davinci8 \
    --device /dev/davinci9 \
    --device /dev/davinci10 \
    --device /dev/davinci11 \
    --device /dev/davinci12 \
    --device /dev/davinci13 \
    --device /dev/davinci14 \
    --device /dev/davinci15 \
    --device /dev/davinci_manager \
    --device /dev/devmm_svm \
    --device /dev/hisi_hdc \
    -v /usr/local/dcmi:/usr/local/dcmi \
    -v /usr/local/Ascend/driver/tools/hccn_tool:/usr/local/Ascend/driver/tools/hccn_tool \
    -v /usr/local/bin/npu-smi:/usr/local/bin/npu-smi \
    -v /usr/local/Ascend/driver/lib64/:/usr/local/Ascend/driver/lib64/ \
    -v /usr/local/Ascend/driver/version.info:/usr/local/Ascend/driver/version.info \
    -v /etc/ascend_install.info:/etc/ascend_install.info \
    -v /root/.cache:/root/.cache \
    -it $IMAGE bash

在每个节点上启动Docker镜像。

export IMAGE=quay.io/ascend/vllm-ascend:v0.22.1rc1
docker run --rm \
    --name vllm-ascend \
    --privileged=true \
    --shm-size=1g \
    --net=host \
    --device /dev/davinci0 \
    --device /dev/davinci1 \
    --device /dev/davinci2 \
    --device /dev/davinci3 \
    --device /dev/davinci4 \
    --device /dev/davinci5 \
    --device /dev/davinci6 \
    --device /dev/davinci7 \
    --device /dev/davinci_manager \
    --device /dev/devmm_svm \
    --device /dev/hisi_hdc \
    -v /usr/local/dcmi:/usr/local/dcmi \
    -v /usr/local/Ascend/driver/tools/hccn_tool:/usr/local/Ascend/driver/tools/hccn_tool \
    -v /usr/local/bin/npu-smi:/usr/local/bin/npu-smi \
    -v /usr/local/Ascend/driver/lib64/:/usr/local/Ascend/driver/lib64/ \
    -v /usr/local/Ascend/driver/version.info:/usr/local/Ascend/driver/version.info \
    -v /etc/ascend_install.info:/etc/ascend_install.info \
    -v /root/.cache:/root/.cache \
    -it $IMAGE bash

4.2 源码安装

此外,如果您不想使用上述 Docker 镜像,也可以从源码构建所有组件:

如需部署多节点环境,需要在每个节点上进行环境设置。

5 在线服务部署

Note

在本教程中,我们假设您已将模型权重下载到 /root/.cache/。您可以根据需要更改为自己的路径。

5.1 单节点部署

  • 量化模型 DeepSeek-V3.2-w8a8 可部署在 1 个 Atlas 800 A3(64G × 16)上。

运行以下脚本执行在线推理。

export HCCL_OP_EXPANSION_MODE="AIV"
export OMP_PROC_BIND=false
export OMP_NUM_THREADS=10
export VLLM_USE_V1=1
export HCCL_BUFFSIZE=200
export VLLM_ASCEND_ENABLE_MLAPO=1
export PYTORCH_NPU_ALLOC_CONF=expandable_segments:True
export VLLM_ASCEND_ENABLE_FLASHCOMM1=1

vllm serve /root/.cache/modelscope/hub/models/vllm-ascend/DeepSeek-V3.2-W8A8 \
--host 0.0.0.0 \
--port 8000 \
--data-parallel-size 2 \
--tensor-parallel-size 8 \
--quantization ascend \
--seed 1024 \
--served-model-name deepseek_v3_2 \
--enable-expert-parallel \
--max-num-seqs 16 \
--max-model-len 8192 \
--max-num-batched-tokens 4096 \
--trust-remote-code \
--no-enable-prefix-caching \
--gpu-memory-utilization 0.92 \
--compilation-config '{"cudagraph_mode": "FULL_DECODE_ONLY"}' \
--speculative-config '{"num_speculative_tokens": 3, "method": "deepseek_mtp"}'

5.2 多节点部署

  • DeepSeek-V3.2-w8a8:至少需要 2 个 Atlas 800 A2(64G × 8)。

分别在两个节点上运行以下脚本。

节点0

# this obtained through ifconfig
# nic_name is the network interface name corresponding to local_ip of the current node
nic_name="xxx"
local_ip="xxx"

# The value of node0_ip must be consistent with the value of local_ip set in node0 (master node)
node0_ip="xxxx"

export HCCL_OP_EXPANSION_MODE="AIV"

export HCCL_IF_IP=$local_ip
export GLOO_SOCKET_IFNAME=$nic_name
export TP_SOCKET_IFNAME=$nic_name
export HCCL_SOCKET_IFNAME=$nic_name
export OMP_PROC_BIND=false
export OMP_NUM_THREADS=10
export VLLM_USE_V1=1
export HCCL_BUFFSIZE=200
export VLLM_ASCEND_ENABLE_MLAPO=1
export PYTORCH_NPU_ALLOC_CONF=expandable_segments:True
export VLLM_ASCEND_ENABLE_FLASHCOMM1=1

vllm serve /root/.cache/modelscope/hub/models/vllm-ascend/DeepSeek-V3.2-W8A8 \
--host 0.0.0.0 \
--port 8077 \
--data-parallel-size 2 \
--data-parallel-size-local 1 \
--data-parallel-address $node0_ip \
--data-parallel-rpc-port 12890 \
--tensor-parallel-size 16 \
--quantization ascend \
--seed 1024 \
--served-model-name deepseek_v3_2 \
--enable-expert-parallel \
--max-num-seqs 16 \
--max-model-len 8192 \
--max-num-batched-tokens 4096 \
--trust-remote-code \
--no-enable-prefix-caching \
--gpu-memory-utilization 0.92 \
--compilation-config '{"cudagraph_mode": "FULL_DECODE_ONLY"}' \
--speculative-config '{"num_speculative_tokens": 3, "method": "deepseek_mtp"}'

节点1

# this obtained through ifconfig
# nic_name is the network interface name corresponding to local_ip of the current node
nic_name="xxx"
local_ip="xxx"

# The value of node0_ip must be consistent with the value of local_ip set in node0 (master node)
node0_ip="xxxx"

export HCCL_OP_EXPANSION_MODE="AIV"

export HCCL_IF_IP=$local_ip
export GLOO_SOCKET_IFNAME=$nic_name
export TP_SOCKET_IFNAME=$nic_name
export HCCL_SOCKET_IFNAME=$nic_name
export OMP_PROC_BIND=false
export OMP_NUM_THREADS=10
export VLLM_USE_V1=1
export HCCL_BUFFSIZE=200
export VLLM_ASCEND_ENABLE_MLAPO=1
export PYTORCH_NPU_ALLOC_CONF=expandable_segments:True
export VLLM_ASCEND_ENABLE_FLASHCOMM1=1

vllm serve /root/.cache/modelscope/hub/models/vllm-ascend/DeepSeek-V3.2-W8A8 \
--host 0.0.0.0 \
--port 8077 \
--headless \
--data-parallel-size 2 \
--data-parallel-size-local 1 \
--data-parallel-start-rank 1 \
--data-parallel-address $node0_ip \
--data-parallel-rpc-port 12890 \
--tensor-parallel-size 16 \
--quantization ascend \
--seed 1024 \
--served-model-name deepseek_v3_2 \
--enable-expert-parallel \
--max-num-seqs 16 \
--max-model-len 8192 \
--max-num-batched-tokens 4096 \
--trust-remote-code \
--no-enable-prefix-caching \
--gpu-memory-utilization 0.92 \
--compilation-config '{"cudagraph_mode": "FULL_DECODE_ONLY"}' \
--speculative-config '{"num_speculative_tokens": 3, "method": "deepseek_mtp"}'

节点0

# this obtained through ifconfig
# nic_name is the network interface name corresponding to local_ip of the current node
nic_name="xxx"
local_ip="xxx"

# The value of node0_ip must be consistent with the value of local_ip set in node0 (master node)
node0_ip="xxxx"

export HCCL_OP_EXPANSION_MODE="AIV"

export HCCL_IF_IP=$local_ip
export GLOO_SOCKET_IFNAME=$nic_name
export TP_SOCKET_IFNAME=$nic_name
export HCCL_SOCKET_IFNAME=$nic_name
export OMP_PROC_BIND=false
export OMP_NUM_THREADS=100
export VLLM_USE_V1=1
export HCCL_BUFFSIZE=200
export VLLM_ASCEND_ENABLE_MLAPO=1
export PYTORCH_NPU_ALLOC_CONF=expandable_segments:True
export VLLM_ASCEND_ENABLE_FLASHCOMM1=1
export HCCL_CONNECT_TIMEOUT=120
export HCCL_INTRA_PCIE_ENABLE=1
export HCCL_INTRA_ROCE_ENABLE=0

vllm serve /root/.cache/modelscope/hub/models/vllm-ascend/DeepSeek-V3.2-W8A8 \
--host 0.0.0.0 \
--port 8077 \
--data-parallel-size 2 \
--data-parallel-size-local 1 \
--data-parallel-address $node0_ip \
--data-parallel-rpc-port 13389 \
--tensor-parallel-size 8 \
--quantization ascend \
--seed 1024 \
--served-model-name deepseek_v3_2 \
--enable-expert-parallel \
--max-num-seqs 16 \
--max-model-len 8192 \
--max-num-batched-tokens 4096 \
--trust-remote-code \
--no-enable-prefix-caching \
--gpu-memory-utilization 0.92 \
--compilation-config '{"cudagraph_mode": "FULL_DECODE_ONLY", "cudagraph_capture_sizes":[8, 16, 24, 32, 40, 48]}' \
--speculative-config '{"num_speculative_tokens": 3, "method": "deepseek_mtp"}'

节点1

# this obtained through ifconfig
# nic_name is the network interface name corresponding to local_ip of the current node
nic_name="xxx"
local_ip="xxx"

# The value of node0_ip must be consistent with the value of local_ip set in node0 (master node)
node0_ip="xxxx"

export HCCL_OP_EXPANSION_MODE="AIV"

export HCCL_IF_IP=$local_ip
export GLOO_SOCKET_IFNAME=$nic_name
export TP_SOCKET_IFNAME=$nic_name
export HCCL_SOCKET_IFNAME=$nic_name
export OMP_PROC_BIND=false
export OMP_NUM_THREADS=100
export VLLM_USE_V1=1
export HCCL_BUFFSIZE=200
export VLLM_ASCEND_ENABLE_MLAPO=1
export PYTORCH_NPU_ALLOC_CONF=expandable_segments:True
export VLLM_ASCEND_ENABLE_FLASHCOMM1=1
export HCCL_CONNECT_TIMEOUT=120
export HCCL_INTRA_PCIE_ENABLE=1
export HCCL_INTRA_ROCE_ENABLE=0

vllm serve /root/.cache/modelscope/hub/models/vllm-ascend/DeepSeek-V3.2-W8A8 \
--host 0.0.0.0 \
--port 8077 \
--headless \
--data-parallel-size 2 \
--data-parallel-size-local 1 \
--data-parallel-start-rank 1 \
--data-parallel-address $node0_ip \
--data-parallel-rpc-port 13389 \
--tensor-parallel-size 8 \
--quantization ascend \
--seed 1024 \
--served-model-name deepseek_v3_2 \
--enable-expert-parallel \
--max-num-seqs 16 \
--max-model-len 8192 \
--max-num-batched-tokens 4096 \
--trust-remote-code \
--no-enable-prefix-caching \
--gpu-memory-utilization 0.92 \
--compilation-config '{"cudagraph_mode": "FULL_DECODE_ONLY", "cudagraph_capture_sizes":[8, 16, 24, 32, 40, 48]}' \
--speculative-config '{"num_speculative_tokens": 3, "method": "deepseek_mtp"}'

5.3 Prefill-Decode分离

我们推荐使用Mooncake进行部署:Mooncake

在标准的单节点部署模式下,Prefill(提示词处理)和Decode(令牌生成)任务在同一组NPU上运行。PD(Prefill-Decode)分离通过将Prefill和Decode运行在专用的节点组上来解决这一问题,每个节点组独立配置:

  • Prefill节点专注于高吞吐量的提示词处理,针对计算和通信进行优化。
  • Decode节点专注于低延迟的令牌生成,针对内存带宽进行优化。

该架构推荐用于并发多用户负载的生产部署,其中需要同时保证稳定的延迟和高吞吐量。

我们将展示 DeepSeek-V3.2 在多节点环境下采用 1P1D 配置以获得更好性能的部署指南。

要运行vllm-ascend Prefill-Decode分离服务,您需要在每个节点上部署launch_online_dp.py脚本和run_dp_template.sh脚本,并在prefill主节点上部署proxy.sh脚本来转发请求。

launch_online_dp.py

参数说明:

参数 类型 必填 默认值 描述
--dp-size int - 数据并行大小(所有节点上DP rank的总数)。
--tp-size int 1 每个DP rank内的张量并行大小。
--dp-size-local int (与--dp-size相同) 当前节点上的DP rank数量。如果未设置,默认为--dp-size
--dp-rank-start int 0 此节点上数据并行rank的起始偏移量。
--dp-address str - 数据并行主节点(节点0)的IP地址。
--dp-rpc-port str 12345 数据并行主节点通信的RPC端口。
--vllm-start-port int 9000 此节点上每个vLLM引擎实例的起始端口。每个DP rank的引擎端口 = vllm_start_port + 本地rank索引。
  1. run_dp_template.sh脚本
nic_name="enp48s3u1u1" # change to your own nic name
local_ip=141.61.39.105 # change to your own ip

export HCCL_OP_EXPANSION_MODE="AIV"

export HCCL_IF_IP=$local_ip
export GLOO_SOCKET_IFNAME=$nic_name
export TP_SOCKET_IFNAME=$nic_name
export HCCL_SOCKET_IFNAME=$nic_name

export OMP_PROC_BIND=false
export OMP_NUM_THREADS=10
export PYTORCH_NPU_ALLOC_CONF=expandable_segments:True
export VLLM_USE_V1=1
export HCCL_BUFFSIZE=256

export ASCEND_AGGREGATE_ENABLE=1
export ASCEND_TRANSPORT_PRINT=1
export ACL_OP_INIT_MODE=1
export ASCEND_A3_ENABLE=1
# Timeout (in seconds) for automatically releasing the prefiller’s KV cache for a particular request.
export VLLM_MOONCAKE_ABORT_REQUEST_TIMEOUT=480

export ASCEND_RT_VISIBLE_DEVICES=$1

export VLLM_ASCEND_ENABLE_FLASHCOMM1=1

vllm serve /root/.cache/Eco-Tech/DeepSeek-V3.2-w8a8-mtp-QuaRot \
    --host 0.0.0.0 \
    --port $2 \
    --data-parallel-size $3 \
    --data-parallel-rank $4 \
    --data-parallel-address $5 \
    --data-parallel-rpc-port $6 \
    --tensor-parallel-size $7 \
    --enable-expert-parallel \
    --speculative-config '{"num_speculative_tokens": 1, "method":"deepseek_mtp"}' \
    --profiler-config \
    '{"profiler": "torch",
    "torch_profiler_dir": "./vllm_profile",
    "torch_profiler_with_stack": false}' \
    --seed 1024 \
    --served-model-name deepseek_v3.2 \
    --max-model-len 68000 \
    --max-num-batched-tokens 32560 \
    --trust-remote-code \
    --max-num-seqs 64 \
    --gpu-memory-utilization 0.82 \
    --quantization ascend \
    --enforce-eager \
    --no-enable-prefix-caching \
    --additional-config '{"enable_dsa_cp": true}' \
    --kv-transfer-config \
    '{"kv_connector": "MooncakeConnectorV1",
    "kv_role": "kv_producer",
    "kv_port": "30000",
    "kv_connector_extra_config": {
            "prefill": {
                    "dp_size": 2,
                    "tp_size": 16
            },
            "decode": {
                    "dp_size": 8,
                    "tp_size": 4
            }
        }
    }'
nic_name="enp48s3u1u1" # change to your own nic name
local_ip=141.61.39.113 # change to your own ip

export HCCL_OP_EXPANSION_MODE="AIV"

export HCCL_IF_IP=$local_ip
export GLOO_SOCKET_IFNAME=$nic_name
export TP_SOCKET_IFNAME=$nic_name
export HCCL_SOCKET_IFNAME=$nic_name

export OMP_PROC_BIND=false
export OMP_NUM_THREADS=10
export PYTORCH_NPU_ALLOC_CONF=expandable_segments:True
export VLLM_USE_V1=1
export HCCL_BUFFSIZE=256

export ASCEND_AGGREGATE_ENABLE=1
export ASCEND_TRANSPORT_PRINT=1
export ACL_OP_INIT_MODE=1
export ASCEND_A3_ENABLE=1
# Timeout (in seconds) for automatically releasing the prefiller's KV cache for a particular request.
export VLLM_MOONCAKE_ABORT_REQUEST_TIMEOUT=480

export ASCEND_RT_VISIBLE_DEVICES=$1

export VLLM_ASCEND_ENABLE_FLASHCOMM1=1

vllm serve /root/.cache/Eco-Tech/DeepSeek-V3.2-w8a8-mtp-QuaRot \
    --host 0.0.0.0 \
    --port $2 \
    --data-parallel-size $3 \
    --data-parallel-rank $4 \
    --data-parallel-address $5 \
    --data-parallel-rpc-port $6 \
    --tensor-parallel-size $7 \
    --enable-expert-parallel \
    --speculative-config '{"num_speculative_tokens": 1, "method":"deepseek_mtp"}' \
    --profiler-config \
    '{"profiler": "torch",
    "torch_profiler_dir": "./vllm_profile",
    "torch_profiler_with_stack": false}' \
    --seed 1024 \
    --served-model-name deepseek_v3.2 \
    --max-model-len 68000 \
    --max-num-batched-tokens 32560 \
    --trust-remote-code \
    --max-num-seqs 64 \
    --gpu-memory-utilization 0.82 \
    --quantization ascend \
    --enforce-eager \
    --no-enable-prefix-caching \
    --additional-config '{"enable_dsa_cp": true}' \
    --kv-transfer-config \
    '{"kv_connector": "MooncakeConnectorV1",
    "kv_role": "kv_producer",
    "kv_port": "30000",
    "kv_connector_extra_config": {
            "prefill": {
                    "dp_size": 2,
                    "tp_size": 16
            },
            "decode": {
                    "dp_size": 8,
                    "tp_size": 4
            }
        }
    }'
nic_name="enp48s3u1u1" # change to your own nic name
local_ip=141.61.39.117 # change to your own ip

export HCCL_OP_EXPANSION_MODE="AIV"

export HCCL_IF_IP=$local_ip
export GLOO_SOCKET_IFNAME=$nic_name
export TP_SOCKET_IFNAME=$nic_name
export HCCL_SOCKET_IFNAME=$nic_name

#Mooncake
export OMP_PROC_BIND=false
export OMP_NUM_THREADS=10

export PYTORCH_NPU_ALLOC_CONF=expandable_segments:True
export VLLM_USE_V1=1
export HCCL_BUFFSIZE=256

export ASCEND_AGGREGATE_ENABLE=1
export ASCEND_TRANSPORT_PRINT=1
export ACL_OP_INIT_MODE=1
export ASCEND_A3_ENABLE=1
# Timeout (in seconds) for automatically releasing the prefiller’s KV cache for a particular request.
export VLLM_MOONCAKE_ABORT_REQUEST_TIMEOUT=480

export TASK_QUEUE_ENABLE=1

export ASCEND_RT_VISIBLE_DEVICES=$1

vllm serve /root/.cache/Eco-Tech/DeepSeek-V3.2-w8a8-mtp-QuaRot \
    --host 0.0.0.0 \
    --port $2 \
    --data-parallel-size $3 \
    --data-parallel-rank $4 \
    --data-parallel-address $5 \
    --data-parallel-rpc-port $6 \
    --tensor-parallel-size $7 \
    --enable-expert-parallel \
    --speculative-config '{"num_speculative_tokens": 2, "method":"deepseek_mtp"}' \
    --profiler-config \
    '{"profiler": "torch",
    "torch_profiler_dir": "./vllm_profile",
    "torch_profiler_with_stack": false}' \
    --seed 1024 \
    --served-model-name deepseek_v3.2 \
    --max-model-len 68000 \
    --max-num-batched-tokens 12 \
    --compilation-config '{"cudagraph_mode":"FULL_DECODE_ONLY", "cudagraph_capture_sizes":[3, 6, 9, 12]}' \
    --trust-remote-code \
    --max-num-seqs 4 \
    --gpu-memory-utilization 0.95 \
    --no-enable-prefix-caching \
    --quantization ascend \
    --kv-transfer-config \
    '{"kv_connector": "MooncakeConnectorV1",
    "kv_role": "kv_consumer",
    "kv_port": "30100",
    "kv_connector_extra_config": {
            "prefill": {
                    "dp_size": 2,
                    "tp_size": 16
            },
            "decode": {
                    "dp_size": 8,
                    "tp_size": 4
            }
        }
    }' \
    --additional-config '{"recompute_scheduler_enable" : true}'
nic_name="enp48s3u1u1" # change to your own nic name
local_ip=141.61.39.181 # change to your own ip

export HCCL_OP_EXPANSION_MODE="AIV"

export HCCL_IF_IP=$local_ip
export GLOO_SOCKET_IFNAME=$nic_name
export TP_SOCKET_IFNAME=$nic_name
export HCCL_SOCKET_IFNAME=$nic_name

#Mooncake
export OMP_PROC_BIND=false
export OMP_NUM_THREADS=10

export PYTORCH_NPU_ALLOC_CONF=expandable_segments:True
export VLLM_USE_V1=1
export HCCL_BUFFSIZE=256

export ASCEND_AGGREGATE_ENABLE=1
export ASCEND_TRANSPORT_PRINT=1
export ACL_OP_INIT_MODE=1
export ASCEND_A3_ENABLE=1
# Timeout (in seconds) for automatically releasing the prefiller’s KV cache for a particular request.
export VLLM_MOONCAKE_ABORT_REQUEST_TIMEOUT=480

export TASK_QUEUE_ENABLE=1

export ASCEND_RT_VISIBLE_DEVICES=$1

vllm serve /root/.cache/Eco-Tech/DeepSeek-V3.2-w8a8-mtp-QuaRot \
    --host 0.0.0.0 \
    --port $2 \
    --data-parallel-size $3 \
    --data-parallel-rank $4 \
    --data-parallel-address $5 \
    --data-parallel-rpc-port $6 \
    --tensor-parallel-size $7 \
    --enable-expert-parallel \
    --speculative-config '{"num_speculative_tokens": 2, "method":"deepseek_mtp"}' \
    --profiler-config \
    '{"profiler": "torch",
    "torch_profiler_dir": "./vllm_profile",
    "torch_profiler_with_stack": false}' \
    --seed 1024 \
    --served-model-name deepseek_v3.2 \
    --max-model-len 68000 \
    --max-num-batched-tokens 12 \
    --compilation-config '{"cudagraph_mode":"FULL_DECODE_ONLY",  "cudagraph_capture_sizes":[3, 6, 9, 12]}' \
    --trust-remote-code \
    --max-num-seqs 4 \
    --gpu-memory-utilization 0.95 \
    --no-enable-prefix-caching \
    --quantization ascend \
    --kv-transfer-config \
    '{"kv_connector": "MooncakeConnectorV1",
    "kv_role": "kv_consumer",
    "kv_port": "30100",
    "kv_connector_extra_config": {
            "prefill": {
                    "dp_size": 2,
                    "tp_size": 16
            },
            "decode": {
                    "dp_size": 8,
                    "tp_size": 4
            }
        }
    }' \
    --additional-config '{"recompute_scheduler_enable" : true}'

准备工作完成后,您可以在每个节点上使用以下命令启动服务器: 请参阅大规模专家并行分布式DP服务器获取详细的启动方法。

  1. 为每个节点运行服务器:

    # Prefill node 0, change ip to your own
    python launch_online_dp.py --dp-size 2 --tp-size 16 --dp-size-local 1 --dp-rank-start 0 --dp-address 141.61.39.105 --dp-rpc-port 12890 --vllm-start-port 9100
    # Prefill node 1, change ip to your own
    python launch_online_dp.py --dp-size 2 --tp-size 16 --dp-size-local 1 --dp-rank-start 1 --dp-address 141.61.39.105 --dp-rpc-port 12890 --vllm-start-port 9100
    # Decode node 0, change ip to your own
    python launch_online_dp.py --dp-size 8 --tp-size 4 --dp-size-local 4 --dp-rank-start 0 --dp-address 141.61.39.117 --dp-rpc-port 12777 --vllm-start-port 9100
    # Decode node 1, change ip to your own
    python launch_online_dp.py --dp-size 8 --tp-size 4 --dp-size-local 4 --dp-rank-start 4 --dp-address 141.61.39.117 --dp-rpc-port 12777 --vllm-start-port 9100
    
  2. 在prefill主节点上运行proxy.sh脚本

    Run a proxy server on the same node with the prefiller service instance. You can get the proxy program in the repository's examples: load_balance_proxy_server_example.py

    unset http_proxy
    unset https_proxy
    
    python load_balance_proxy_server_example.py \
        --port 8000 \
        --host 141.61.39.105 \
        --prefiller-hosts \
        141.61.39.105 \
        141.61.39.113 \
        --prefiller-ports \
        9100 \
        9100 \
        --decoder-hosts \
        141.61.39.117 \
        141.61.39.117 \
        141.61.39.117 \
        141.61.39.117 \
        141.61.39.181 \
        141.61.39.181 \
        141.61.39.181 \
        141.61.39.181 \
        --decoder-ports \
        9100 9101 9102 9103 \
        9100 9101 9102 9103 \
    
    cd vllm-ascend/examples/disaggregated_prefill_v1/
    bash proxy.sh
    

常见问题提示:如果您在PD分离部署中遇到问题,请参阅公共FAQ进行故障排查。

6 功能验证

服务器启动后,您可以使用输入提示词查询模型:

Note

  • <node0_ip>:运行服务器的节点的IP地址(例如,localhost)。对于PD分离部署,请使用代理脚本所在节点的主机IP。
  • <port>:服务器启动命令中指定的端口号(例如,8000)。对于PD分离部署,请使用代理脚本中配置的端口。
curl http://<node0_ip>:<port>/v1/completions \
    -H "Content-Type: application/json" \
    -d '{
        "model": "deepseek_v3.2",
        "prompt": "The future of AI is",
        "max_completion_tokens": 50,
        "temperature": 0
    }'

预期结果

{"id":"019eab54ead036b23e53f3a709e09289","object":"chat.completion","created":1780990929,"model":"deepseek_v3.2","choices":[{"index":0,"message":{"role":"assistant","content":"The future of AI is **not a single destination, but a complex, multi-faceted trajectory** that will reshape nearly every aspect of human society, technology, and our understanding of intelligence itself. It can be understood through several interconnected lenses:\n\n### "},"finish_reason":"length"}],"usage":{"prompt_tokens":9,"completion_tokens":50,"total_tokens":59,"completion_tokens_details":{"reasoning_tokens":0},"prompt_tokens_details":{"cached_tokens":0},"prompt_cache_hit_tokens":0,"prompt_cache_miss_tokens":9},"system_fingerprint":""}

7 精度评估

这里提供两种精度评估方法。

使用 AISBench

  1. 详细信息请参考使用 AISBench

  2. 执行后即可获取结果。

使用 Language Model Evaluation Harness

gsm8k 数据集作为测试数据集为例,在线模式下运行 DeepSeek-V3.2-W8A8 的精度评估。

  1. 请参考使用 lm_eval 安装 lm_eval

  2. 运行 lm_eval 执行精度评估。

    lm_eval \
    --model local-completions \
    --model_args model=/root/.cache/Eco-Tech/DeepSeek-V3.2-w8a8-mtp-QuaRot,base_url=http://127.0.0.1:8000/v1/completions,tokenized_requests=False,trust_remote_code=True \
    --tasks gsm8k \
    --output_path ./
    
  3. 执行后即可获取结果。

8 性能评估

使用 AISBench

详情请参考使用AISBench进行性能评估

性能结果如下:

硬件:A3-752T,4节点

部署:1P1D,Prefill节点:DP2+TP16,Decode节点:DP8+TP4

输入/输出:64k/3k

性能:533tps,TPOT 32ms

使用vLLM基准测试

DeepSeek-V3.2-W8A8为例进行性能评估。

更多详情请参考vllm基准测试

vllm bench包含三个子命令:

  • latency:对单批请求的延迟进行基准测试。
  • serve:对在线服务吞吐量进行基准测试。
  • throughput:对离线推理吞吐量进行基准测试。

serve为例,运行代码如下。

export VLLM_USE_MODELSCOPE=True
vllm bench serve --model /root/.cache/Eco-Tech/DeepSeek-V3.2-w8a8-mtp-QuaRot  --dataset-name random --random-input 200 --num-prompts 200 --request-rate 1 --save-result --result-dir ./

9 函数调用

函数调用功能从v0.13.0rc1版本开始支持,请使用最新版本。

详情请参考DeepSeek-V3.2使用指南

10 常见问题

有关常见的环境、安装和一般参数问题,请参阅公共FAQ