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DSV4 / DeepSeek-V4-Flash 推理测速项目

记录 vllm-dspark、SGLang、vLLM 等后端在 DeepSeek-V4-Flash 上的 benchmark 脚本与最终结果。 H200 快速上手指南见 docs/H200_QUICKSTART.md

目录说明

目录/文件 说明
platforms/ 芯片/加速器平台配置(*.env),如 P800、H200
scripts/common/ 跨实验复用的 orchestration 组件server 启停、health check、元数据生成、结果解析
scripts/ 仅保留仍在使用的 legacy DSpark 脚本与 SLO 标准
experiments/ 以实验为单位的自包含目录(脚本 + 配置 + 结果)
experiments/legacy_bench_results/ 历史归档的实验产物(只读),从原 bench_results/ 迁移而来
BENCHMARK_WORKFLOW.md benchmark 目录与命名规范
docs/SLO_STANDARDS.md 推理服务 SLO 标准TTFT/TPOT

注:.gitignore 已排除 envs/deps/tmp/datasets/logs/*.zip、原始 raw_outputs/*.jsonl 等大文件/中间文件。

实验索引

新结构experiments/

实验 脚本 说明
DSV4 P800 SGLang experiments/dsv4_p800_sglang/run_bench.sh Kunlun P800 + SGLang + DeepSeek-V4-Flash-INT8
DSV4 H200 DSpark experiments/dsv4_h200_dspark/run_bench.sh NVIDIA H200 + vllm-dspark + DeepSeek-V4-Flash-DSpark
DSV4 H200 vLLM baseline experiments/dsv4_h200_vllm/run_bench.sh NVIDIA H200 + vLLM + DeepSeek-V4-Flash
DSV4 H200 SGLang baseline experiments/dsv4_h200_sglang/run_bench.sh NVIDIA H200 + native SGLang + DeepSeek-V4-Flash
DSV4 H200 SGLang vs vLLM experiments/dsv4_h200_sglang_vs_vllm/run_bench.sh NVIDIA H200 上 SGLang 与 vLLM 控制变量对比TP=8最长 200k 上下文)
DSV4 H200 vLLM DSpark vs default experiments/dsv4_h200_vllm_dspark_vs_default/run_bench.sh vLLM 开启 DSpark 投机解码 vs 默认配置,验证 TTFT 差异
DSV4 H200 max context length experiments/dsv4_h200_max_context_length/run_bench.sh 探索 SGLang / vLLM 在 H200 上能支持的最大输入长度

旧结构scripts/ + bench_results/

仅保留还在被 experiments/dsv4_h200_dspark/ 引用的 legacy DSpark 脚本,其余旧脚本已删除。

实验 脚本 最终报告 说明
DSpark grid benchmark scripts/benchmark_dspark_0707/run_dspark_benchmark_grid.sh experiments/legacy_bench_results/dspark_grid_20260707-132641/report.md P1/P2/P3 全量网格
DSpark spec-tokens 对比 scripts/benchmark_dspark_0707/run_dspark_st_comparison.sh experiments/legacy_bench_results/dspark_st_comparison_20260707-150649/comparison_report.md --spec-tokens 3 vs 5

快速复现

P800 SGLang

bash experiments/dsv4_p800_sglang/run_bench.sh

H200 DSpark

bash experiments/dsv4_h200_dspark/run_bench.sh

H200 SGLang baseline

bash experiments/dsv4_h200_sglang/run_bench.sh

H200 SGLang vs vLLM 对比

bash experiments/dsv4_h200_sglang_vs_vllm/run_bench.sh

H200 vLLM DSpark vs default

bash experiments/dsv4_h200_vllm_dspark_vs_default/run_bench.sh

H200 max context length

bash experiments/dsv4_h200_max_context_length/run_bench.sh

DSpark grid / spec-tokens旧结构

bash scripts/benchmark_dspark_0707/run_dspark_benchmark_grid.sh
bash scripts/benchmark_dspark_0707/run_dspark_st_comparison.sh

解析已有结果

# 新结构
python3 experiments/dsv4_h200_dspark/parse_results.py \
  experiments/dsv4_h200_dspark/results/<run_id>

# 旧结构
/data/user1/yy/envs/sglang/bin/python scripts/benchmark_dspark_0707/parse_results.py \
  /data/user1/yy/experiments/legacy_bench_results/dspark_grid_20260707-132641

SLO 参考

详见 docs/SLO_STANDARDS.md

主要关注指标:

  • TTFT P95S2DeepSeek-V4-Flash 所在层)目标 < 3s
  • TPOTS2 目标 < 50ms

环境要求

  • NVIDIA H200Python env /data/user1/yy/envs/vllm-dspark(服务端)、/data/user1/yy/envs/sglang(压测客户端);模型 /data/models/DeepSeek-V4-Flash/data/models/DeepSeek-V4-Flash-DSpark
  • Kunlun P800Docker 镜像 iregistry.baidu-int.com/xpu/sglang-p800-pd-disagg-0510:20260511_4202;模型 /data1/models/DeepSeek-V4-Flash-INT8;压测客户端在容器内运行。

平台相关常量见 platforms/*.env