yy-fighting 1482601ae5 Add num_prompts = 5×concurrency convention and update all experiments
- Document the rule in docs/EXPERIMENT_GUIDE.md section 7
- Update all config.env SCENARIOS to follow the 5x rule
- Migrate dsv4_h200_sglang, dsv4_h200_vllm, dsv4_p800_sglang
  from global NUM_PROMPTS to per-scenario num_prompts
- Keep long-context phase2 as exception (low counts documented)
- Add legacy 3-field fallback in run_bench.sh loops
2026-07-09 09:26:41 +00:00

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# Configuration for the vLLM-dspark vs vLLM-default comparison on H200.
# All values can be overridden via environment variables.
EXPERIMENT="dsv4_h200_vllm_dspark_vs_default"
# The dspark variant uses a separate checkpoint and the vllm-dspark env.
DSPARK_MODEL_NAME="DeepSeek-V4-Flash-DSpark"
DSPARK_MODEL_PATH="/data/models/DeepSeek-V4-Flash-DSpark"
# The default variant uses the standard checkpoint and the plain vllm env.
DEFAULT_MODEL_NAME="DeepSeek-V4-Flash"
DEFAULT_MODEL_PATH="/data/models/DeepSeek-V4-Flash"
SERVED_MODEL_NAME="deepseek-v4-flash"
# Different ports so the two backends can be tested independently.
DSPARK_PORT="${DSPARK_PORT:-30007}"
DEFAULT_PORT="${DEFAULT_PORT:-30008}"
# Virtual environments.
VENV_VLLM_DSPARK="${VENV_VLLM_DSPARK:-/data/user1/yy/envs/vllm-dspark}"
VENV_VLLM="${VENV_VLLM:-/data/user1/yy/envs/vllm}"
# Benchmark client always runs from the sglang env for consistency.
VENV_CLIENT="${VENV_CLIENT:-/data/user1/yy/envs/sglang}"
# Hardware: use all 8 H200 cards for both backends.
export CUDA_VISIBLE_DEVICES="0,1,2,3,4,5,6,7"
TP=8
# Scenarios focused on TTFT: low/high concurrency x short/medium input.
# Each element: "concurrency input_len output_len num_prompts"
# Following docs/EXPERIMENT_GUIDE.md: num_prompts = concurrency * 5.
if [[ -z "${SCENARIOS:-}" ]]; then
declare -a SCENARIOS=(
"1 512 256 5"
"32 512 256 160"
"128 512 256 640"
"1 4000 512 5"
"32 4000 512 160"
)
fi
MAX_MODEL_LEN=32768
MAX_NUM_SEQS=256
# Server start scripts bundled with this experiment.
DSPARK_START_SCRIPT="${SCRIPT_DIR:-.}/start_dspark.sh"
DEFAULT_START_SCRIPT="${SCRIPT_DIR:-.}/start_default.sh"