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2.9 KiB
2.9 KiB
DeepSeek-V3/V3.1 模型
一、环境准备
1.1 支持情况
DeepSeek-V3/V3.1 各量化精度,在下列硬件上部署所需要的最小卡数如下:
| WINT4 | |
|---|---|
| H800 80GB | 8 |
1.2 安装fastdeploy
安装流程参考文档 FastDeploy GPU 安装
二、如何使用
2.1 基础:启动服务
示例1: H800上八卡部署wint4模型16K上下文的服务
MODEL_PATH=/models/DeepSeek-V3.2-Exp-BF16
export FD_DISABLE_CHUNKED_PREFILL=1
export FD_ATTENTION_BACKEND="MLA_ATTN"
export FLAGS_flash_attn_version=3
python -m fastdeploy.entrypoints.openai.api_server \
--model "$MODEL_PATH" \
--port 8180 \
--metrics-port 8181 \
--engine-worker-queue-port 8182 \
--cache-queue-port 8183 \
--tensor-parallel-size 8 \
--max-model-len 16384 \
--max-num-seq 100 \
--no-enable-prefix-caching \
--quantization wint4
示例2: H800上16卡部署 blockwise_fp8 模型16K上下文的服务
MODEL_PATH=/models/DeepSeek-V3.2-Exp-BF16
export FD_DISABLE_CHUNKED_PREFILL=1
export FD_ATTENTION_BACKEND="MLA_ATTN"
export FLAGS_flash_attn_version=3
# 暂时只支持 tp_size为8,ep_size 为 16的 配置
export CUDA_VISIBLE_DEVICES=0,1,2,3,4,5,6,7
export FD_ENABLE_MULTI_API_SERVER=1
python -m fastdeploy.entrypoints.openai.multi_api_server \
--ports "9811" \
--num-servers 1 \
--args --model "$model_path" \
--ips "10.95.247.24,10.95.244.147" \
--no-enable-prefix-caching \
--quantization block_wise_fp8 \
--disable-sequence-parallel-moe \
--tensor-parallel-size 8 \
--num-gpu-blocks-override 1024 \
--data-parallel-size 2 \
--max-model-len 16384 \
--enable-expert-parallel \
--max-num-seqs 20 \
--graph-optimization-config '{"use_cudagraph":true}' \
示例3: H800上16卡部署 blockwise_fp8 模型16K上下文的服务
这个例子中支持使用FlashMLA算子做MLA的计算
MODEL_PATH=/models/DeepSeek-V3.2-Exp-BF16
export FD_DISABLE_CHUNKED_PREFILL=1
export FD_ATTENTION_BACKEND="MLA_ATTN"
export FLAGS_flash_attn_version=3
export USE_FLASH_MLA=1
export CUDA_VISIBLE_DEVICES=0,1,2,3,4,5,6,7
export FD_ENABLE_MULTI_API_SERVER=1
python -m fastdeploy.entrypoints.openai.multi_api_server \
--ports "9811,9812,9813,9814,9815,9816,9817,9818" \
--num-servers 8 \
--args --model "$model_path" \
--ips "10.95.246.220,10.95.230.91" \
--no-enable-prefix-caching \
--quantization block_wise_fp8 \
--disable-sequence-parallel-moe \
--tensor-parallel-size 1 \
--num-gpu-blocks-override 1024 \
--data-parallel-size 16 \
--max-model-len 16384 \
--enable-expert-parallel \
--max-num-seqs 20 \
--graph-optimization-config '{"use_cudagraph":true}' \