- config.env: switch to /data/models/DeepSeek-V4-Flash, USE_DOCKER=1,
CONTEXT_LENGTH=1M, CONCURRENCY_SAMPLES=2, add DATASET_PATH.
- start_sglang_docker.sh: add --ipc host --shm-size 16g for NCCL.
- start_sglang_dp.sh: use --model-path for Docker CLI.
- run_bench.sh: mount dataset into client container and pass --dataset-path
to avoid HF download on offline nodes.