2026-07-28 17:09:26 +08:00

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#!/usr/bin/env bash
# ================================================================
# ~20h benchmark matching dsv4_pro6000_vllm_tp_dp_matrix matrix.json
# Per-ISL TTFT SLO: 7s(min) -> 40s(max), stops concurrency sweep on violation
# OOM fault tolerance: auto-detect, skip combo, auto-restart server
# 3 repetitions for statistical robustness
# ================================================================
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
source "${SCRIPT_DIR}/config.env"
RUN_ID="${RUN_ID:-$(date +%Y%m%d_%H%M%S)}"
RESULT_DIR="${RESULT_BASE}/${RUN_ID}"
SUMMARY_FILE="${RESULT_DIR}/summary.csv"
mkdir -p "$RESULT_DIR"
echo "isl,osl,concurrency,tps,ttft_ms,tpot_ms,e2e_ms,slo_ms,status,elapsed_s" >> "$SUMMARY_FILE"
log() { echo "[$(date '+%H:%M:%S')] $*"; }
# ================================================================
# TTFT SLO per ISL (DeepSeek-V4-Pro, TP=16 cross-node, min=7000ms)
# ================================================================
get_slo_ms() {
local isl="$1"
if (( isl <= 2048 )); then echo 7000
elif (( isl <= 8192 )); then echo 10000
elif (( isl <= 32768 )); then echo 15000
elif (( isl <= 131072 )); then echo 25000
else echo 40000
fi
}
# ================================================================
# Reference matrix from dsv4_pro6000_vllm_tp_dp_matrix/matrix.json
# ================================================================
declare -A MATRIX
MATRIX["1024,128"]=Y; MATRIX["1024,256"]=Y; MATRIX["1024,512"]=Y
MATRIX["1024,1024"]=Y; MATRIX["1024,2048"]=Y; MATRIX["1024,4096"]=Y
MATRIX["4096,128"]=Y; MATRIX["4096,256"]=Y; MATRIX["4096,512"]=Y
MATRIX["4096,1024"]=Y; MATRIX["4096,2048"]=Y; MATRIX["4096,4096"]=Y
MATRIX["8192,128"]=Y; MATRIX["8192,256"]=Y; MATRIX["8192,512"]=Y
MATRIX["8192,1024"]=Y; MATRIX["8192,2048"]=Y; MATRIX["8192,4096"]=Y
MATRIX["16384,128"]=Y; MATRIX["16384,256"]=Y; MATRIX["16384,512"]=Y
MATRIX["16384,1024"]=Y; MATRIX["16384,2048"]=Y; MATRIX["16384,4096"]=P
MATRIX["32768,128"]=Y; MATRIX["32768,256"]=Y; MATRIX["32768,512"]=Y
MATRIX["32768,1024"]=Y; MATRIX["32768,2048"]=Y; MATRIX["32768,4096"]=P
MATRIX["65536,128"]=Y; MATRIX["65536,256"]=Y; MATRIX["65536,512"]=Y
MATRIX["65536,1024"]=Y; MATRIX["65536,2048"]=P; MATRIX["65536,4096"]=N
MATRIX["131072,128"]=Y; MATRIX["131072,256"]=Y; MATRIX["131072,512"]=Y
MATRIX["131072,1024"]=P; MATRIX["131072,2048"]=N; MATRIX["131072,4096"]=N
MATRIX["262144,128"]=Y; MATRIX["262144,256"]=Y; MATRIX["262144,512"]=P
MATRIX["262144,1024"]=N; MATRIX["262144,2048"]=N; MATRIX["262144,4096"]=N
MATRIX["524288,128"]=Y; MATRIX["524288,256"]=P; MATRIX["524288,512"]=N
MATRIX["524288,1024"]=N; MATRIX["524288,2048"]=N; MATRIX["524288,4096"]=N
MATRIX["1048576,128"]=Y; MATRIX["1048576,256"]=P; MATRIX["1048576,512"]=N
MATRIX["1048576,1024"]=N; MATRIX["1048576,2048"]=N; MATRIX["1048576,4096"]=N
ISL_LIST=(1024 4096 8192 16384 32768 65536 131072 262144 524288 1048576)
OSL_LIST=(128 256 512 1024 2048 4096)
get_conc_for() {
local isl="$1"
if (( isl <= 4096 )); then echo "1 2 4 8 16 32 64 128"
elif (( isl <= 16384 )); then echo "1 2 4 8 16 32"
elif (( isl <= 65536 )); then echo "1 2 4 8 16"
else echo "1 2 4 8"
fi
}
# ================================================================
# Benchmark runner with per-ISL SLO + OOM tolerance
# ================================================================
run_one() {
local isl="$1" osl="$2" conc="$3"
local slo_ms; slo_ms=$(get_slo_ms "$isl")
local num_prompts=$(( conc * 5 ))
[[ $num_prompts -lt 10 ]] && num_prompts=10
local out="${RESULT_DIR}/isl${isl}_osl${osl}_c${conc}.json"
local logf="${RESULT_DIR}/isl${isl}_osl${osl}_c${conc}.log"
local start_ts=$(date +%s)
docker run --rm --network host \
-v "${MODEL_PATH}:${MODEL_PATH}:ro" \
-v "${DATASET_PATH}:${DATASET_PATH}:ro" \
-v "${RESULT_DIR}:${RESULT_DIR}" \
-e PYTHONUNBUFFERED=1 -e HF_HUB_OFFLINE=1 -e TRANSFORMERS_OFFLINE=1 \
--entrypoint python3 "$DOCKER_CLIENT_IMAGE" \
-m "${SGLANG_BENCH_MODULE}" \
--backend sglang --host "${HEAD_IP}" --port "${SGLANG_PORT}" \
--dataset-name "${BENCH_DATASET_NAME}" --dataset-path "${DATASET_PATH}" \
--random-input-len "$isl" --random-output-len "$osl" \
--random-range-ratio "${RANDOM_RANGE_RATIO}" \
--num-prompts "$num_prompts" --max-concurrency "$conc" \
--request-rate 10000 --warmup-requests "${WARMUP_REQUESTS}" \
--output-file "$out" --output-details --disable-tqdm \
> "$logf" 2>&1
local rc=$?
local elapsed=$(($(date +%s) - start_ts))
# OOM detection
if [[ $rc -ne 0 ]]; then
if grep -qi "out of memory\|CUDA error\|RESOURCE_EXHAUSTED" "$logf" 2>/dev/null; then
echo "${isl},${osl},${conc},-1,-1,-1,-1,${slo_ms},OOM,${elapsed}" >> "$SUMMARY_FILE"
log " OOM isl=${isl} osl=${osl} c=${conc}"; return 2
fi
echo "${isl},${osl},${conc},-1,-1,-1,-1,${slo_ms},FAIL,${elapsed}" >> "$SUMMARY_FILE"
log " FAIL isl=${isl} osl=${osl} c=${conc} rc=${rc}"; return 1
fi
# Extract metrics
local tps=$(python3 -c "import json;d=json.load(open('${out}'));print(round(d.get('tps',-1),1))" 2>/dev/null || echo "-1")
local ttft=$(python3 -c "import json;d=json.load(open('${out}'));print(round(d.get('ttft_mean',-1),1))" 2>/dev/null || echo "-1")
local tpot=$(python3 -c "import json;d=json.load(open('${out}'));print(round(d.get('tpot_mean',-1),1))" 2>/dev/null || echo "-1")
local e2e=$(python3 -c "import json;d=json.load(open('${out}'));print(round(d.get('e2e_latency_mean',-1),1))" 2>/dev/null || echo "-1")
echo "${isl},${osl},${conc},${tps},${ttft},${tpot},${e2e},${slo_ms},OK,${elapsed}" >> "$SUMMARY_FILE"
# TTFT SLO check (per-ISL)
if [[ "$ttft" != "-1" ]]; then
if (( $(echo "$ttft > ${slo_ms}" | bc -l 2>/dev/null) )); then
log " SLO! ttft=${ttft}ms > slo=${slo_ms}ms -> stop higher conc"
return 3
fi
fi
log " OK isl=${isl} osl=${osl} c=${conc} tps=${tps} ttft=${ttft}ms slo=${slo_ms}ms"
return 0
}
# ================================================================
# OOM recovery: restart server if it died
# ================================================================
check_and_recover_server() {
if curl --fail --silent --max-time 5 "http://${HEAD_IP}:${SGLANG_PORT}/health" >/dev/null 2>&1; then
return 0
fi
log "WARN: Server health failed. Checking..."
local hok=$(ssh -o StrictHostKeyChecking=no -o ConnectTimeout=5 "${HEAD_NODE}" \
"docker ps --filter name=${EXPERIMENT}_head --format '{{.Names}}' 2>/dev/null" || echo "")
local wok=$(ssh -o StrictHostKeyChecking=no -o ConnectTimeout=5 "${WORKER_NODE}" \
"docker ps --filter name=${EXPERIMENT}_worker --format '{{.Names}}' 2>/dev/null" || echo "")
if [[ -z "$hok" || -z "$wok" ]]; then
log "ERROR: Containers died. Restarting server..."
bash "${SCRIPT_DIR}/start_sglang_multinode.sh" || { log "FATAL: Restart failed"; return 1; }
log "Server restarted."
fi
return 0
}
# ================================================================
# Main
# ================================================================
main() {
log "=== ${EXPERIMENT} Benchmark ==="
log "Matrix: dsv4_pro6000_vllm_tp_dp_matrix"
log "TTFT SLO: per-ISL (7s-40s), Reps: ${NUM_REPETITIONS}"
log "Server: ${HEAD_IP}:${SGLANG_PORT}, Results: ${RESULT_DIR}"
if ! curl --fail --silent --max-time 5 "http://${HEAD_IP}:${SGLANG_PORT}/health" >/dev/null 2>&1; then
log "FATAL: Server not healthy"; exit 1
fi
log "Server health OK."
local total=0 ok=0 fail=0 oom=0 slo=0 skip=0
local start_time=$(date +%s)
for rep in $(seq 1 ${NUM_REPETITIONS}); do
log "========== REPETITION ${rep}/${NUM_REPETITIONS} =========="
for isl in "${ISL_LIST[@]}"; do
if ! check_and_recover_server; then exit 1; fi
for osl in "${OSL_LIST[@]}"; do
local tag="${MATRIX[${isl},${osl}]:-N}"
[[ "$tag" == "N" ]] && { ((skip++)); continue; }
log "--- isl=${isl} osl=${osl} [${tag}] ---"
local conc_list=($(get_conc_for "$isl"))
local combo_oom=0 combo_slo=0
for conc in "${conc_list[@]}"; do
[[ $combo_oom -eq 1 ]] && { ((skip++)); continue; }
[[ $combo_slo -eq 1 ]] && { ((slo++)); continue; }
((total++))
run_one "$isl" "$osl" "$conc"
case $? in
0) ((ok++)) ;;
1) ((fail++)) ;;
2) ((oom++)); combo_oom=1 ;;
3) ((slo++)); combo_slo=1 ;;
esac
sleep 2
done
local elapsed=$(($(date +%s) - start_time))
local eta="N/A"
if (( ok > 0 )); then
local rate=$(echo "scale=3; $ok/$elapsed" | bc 2>/dev/null || echo "0")
if [[ "$rate" != "0" ]]; then
local eta_s=$(echo "scale=0; ($total-$ok)/$rate" | bc 2>/dev/null || echo "0")
eta="$(date -u -d @${eta_s} +%Hh%Mm 2>/dev/null || echo '?')"
fi
fi
log "PROGRESS ok=${ok}/${total} fail=${fail} oom=${oom} slo=${slo} elapsed=$(echo "scale=1;$elapsed/3600"|bc)h ETA=${eta}"
done
done
done
local total_h=$(echo "scale=1; $(($(date +%s)-start_time))/3600" | bc)
log "=== COMPLETE: total=${total} ok=${ok} fail=${fail} oom=${oom} slo=${slo} skip=${skip} time=${total_h}h ==="
log "Results: ${RESULT_DIR}"
}
main