yy-fighting f6a45f1ed8 Add P800 long-context matrix and tune benchmark/health settings
- Add experiments/dsv4_p800_long_context_matrix for 64k/128k/256k context
  grid on DeepSeek-V4-Flash-INT8 with Kunlun P800.
- Change bench_client_docker.sh to use --concurrency instead of
  --max-concurrency to match the user's long-context benchmark script.
- Add SGLANG_HEALTH_CHECK_TIMEOUT override to server_docker.sh for slow
  long-context server startups.
- Tune dsv4_p800_256k_4k_probe with lower max-running-requests and
  mem-fraction-static to avoid OOM on P800.
2026-07-08 15:02:22 +00:00

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#!/usr/bin/env bash
# Long-context matrix for SGLang on DeepSeek-V4-Flash-INT8 (Kunlun P800).
set -Eeuo pipefail
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
EXPERIMENT_NAME="$(basename "$SCRIPT_DIR")"
# shellcheck source=/dev/null
source "${SCRIPT_DIR}/../../scripts/common/lib.sh"
# shellcheck source=/dev/null
source "${SCRIPT_DIR}/../../scripts/common/platform.sh"
# shellcheck source=/dev/null
source "${SCRIPT_DIR}/../../scripts/common/server_docker.sh"
# shellcheck source=/dev/null
source "${SCRIPT_DIR}/../../scripts/common/bench_client_docker.sh"
# shellcheck source=/dev/null
source "${SCRIPT_DIR}/config.env"
RUN_ID="${RUN_ID:-$(date '+%Y%m%d-%H%M%S')}"
RESULT_BASE="${SCRIPT_DIR}/results"
log_dir_global="${RESULT_BASE}/${RUN_ID}/logs"
mkdir -p "$log_dir_global"
log_init "${log_dir_global}/orchestrator.log"
log "experiment=${EXPERIMENT_NAME}"
log "run_id=${RUN_ID}"
log "platform=${PLATFORM}"
log "hardware=${HARDWARE}"
log "model=${MODEL_PATH}"
log "server_mode=${SERVER_MODE}"
log "groups=${#CONTEXT_GROUPS[@]}"
# ---------------------------------------------------------------------------
# Helpers
# ---------------------------------------------------------------------------
is_server_healthy() {
curl --fail --silent --show-error --max-time 5 "http://127.0.0.1:${PORT}/health" >/dev/null 2>&1
}
start_server() {
local context_length="$1"
local max_running="$2"
local extra_args="--context-length ${context_length} --max-running-requests ${max_running} --mem-fraction-static 0.85"
export SGLANG_EXTRA_LAUNCH_ARGS="${SGLANG_EXTRA_LAUNCH_ARGS:-${extra_args}}"
log "starting server (context_length=${context_length}, max_running=${max_running}, mode=${SERVER_MODE})"
docker_server_start "${MODEL_PATH}" "${PORT}" "${log_dir_global}/server_${context_length}.outer.log" "${SERVER_MODE}" "${SGLANG_EXTRA_LAUNCH_ARGS}"
}
stop_server() {
docker_server_stop
}
run_warmup() {
local raw_dir="$1"
local phase_log_dir="$2"
local input_len="$3"
local output_len="${4:-256}"
log "warming up (input=${input_len}, output=${output_len}, num=1)"
local tmp_warmup_file="/tmp/bench_outputs/${CHIP}_${ENGINE}_$(date '+%m%d')_warmup_1_${input_len}_${output_len}.jsonl"
local host_warmup_file="${raw_dir}/${BACKEND}_warmup_$(date '+%m%d')_1_${input_len}_${output_len}.jsonl"
local detail_log="${phase_log_dir}/warmup_${input_len}_${output_len}.log"
if WARMUP=0 run_random_case \
"$BACKEND" "$PORT" "$MODEL_PATH" "$tmp_warmup_file" \
1 "$input_len" "$output_len" 1 "${DATASET_PATH:-}" \
> "$detail_log" 2>&1; then
docker cp "${CONTAINER_NAME}:${tmp_warmup_file}" "$host_warmup_file" 2>/dev/null || true
log "warmup completed"
else
log "WARNING: warmup failed; continuing with group"
fi
}
scenario_already_completed() {
local output_file="$1"
local expected="$2"
[[ -s "$output_file" ]] || return 1
local completed
completed="$(python3 -c "
import json, sys
path = sys.argv[1]
try:
with open(path, 'r', encoding='utf-8') as f:
for line in f:
line = line.strip()
if line:
data = json.loads(line)
print(data.get('completed', 0))
break
except Exception:
print(0)
" "$output_file")"
[[ "${completed:-0}" -ge "$expected" ]]
}
run_group() {
local group_label="$1"
local context_length="$2"
local max_running="$3"
local -n scenarios_ref="$4"
local result_root="${RESULT_BASE}/${RUN_ID}/${BACKEND}"
local raw_dir="${result_root}/raw_outputs"
local phase_log_dir="${result_root}/logs"
mkdir -p "$raw_dir" "$phase_log_dir"
log "===== ${BACKEND} ${group_label} START (context_length=${context_length}) ====="
stop_server
if ! start_server "$context_length" "$max_running"; then
log "ERROR: server failed to start for ${group_label}; skipping group"
stop_server
return 1
fi
# Warmup with the shortest output for this input length to save time.
local warmup_input="${scenarios_ref[0]}"
local warmup_input_len
warmup_input_len="$(echo "$warmup_input" | awk '{print $2}')"
run_warmup "$raw_dir" "$phase_log_dir" "$warmup_input_len" 256
for scenario in "${scenarios_ref[@]}"; do
# Allow SCENARIOS to be passed as a string like "(25 65536 256 50)" from env.
scenario="${scenario//[()]/}"
read -r concurrency input_len output_len num_prompts <<< "$scenario"
tmp_output_file="/tmp/bench_outputs/${CHIP}_${ENGINE}_$(date '+%m%d')_${concurrency}_${input_len}_${output_len}.jsonl"
output_file="${raw_dir}/${BACKEND}_${group_label}_$(date '+%m%d')_${concurrency}_${input_len}_${output_len}.jsonl"
detail_log="${phase_log_dir}/${BACKEND}_${group_label}_c${concurrency}_i${input_len}_o${output_len}.log"
if scenario_already_completed "$output_file" "$num_prompts"; then
log "skipping already-completed ${BACKEND} ${group_label} scenario: c=${concurrency} i=${input_len} o=${output_len}"
continue
fi
log "running ${BACKEND} ${group_label} scenario: c=${concurrency} i=${input_len} o=${output_len} n=${num_prompts}"
if run_random_case \
"$BACKEND" "$PORT" "$MODEL_PATH" "$tmp_output_file" \
"$concurrency" "$input_len" "$output_len" "$num_prompts" \
"${DATASET_PATH:-}" \
> "$detail_log" 2>&1; then
docker cp "${CONTAINER_NAME}:${tmp_output_file}" "$output_file" || {
log "ERROR: failed to copy ${tmp_output_file} from container"
continue
}
log "finished ${BACKEND} ${group_label} scenario: output=${output_file}"
else
log "ERROR: ${BACKEND} ${group_label} scenario c=${concurrency} i=${input_len} o=${output_len} failed; see ${detail_log}"
continue
fi
done
stop_server
log "===== ${BACKEND} ${group_label} DONE ====="
}
parse_backend() {
local result_root="${RESULT_BASE}/${RUN_ID}/${BACKEND}"
log "parsing ${BACKEND} results in ${result_root}"
python3 "${SCRIPT_DIR}/../../scripts/common/parse_backend.py" "$result_root" --backend "$BACKEND" \
>> "${result_root}/logs/parse.log" 2>&1 || {
log "WARNING: parser failed for ${BACKEND}; see ${result_root}/logs/parse.log"
}
}
write_backend_metadata() {
local result_root="${RESULT_BASE}/${RUN_ID}/${BACKEND}"
ensure_result_root "$result_root"
local meta_json="${result_root}/results.json"
write_metadata_json \
"$meta_json" \
"${EXPERIMENT_NAME}_${BACKEND}" \
"$RUN_ID" \
"$MODEL_PATH" \
"$BACKEND" \
"$ENGINE" \
"$HARDWARE" \
"$ACCELERATOR" \
"$CHIP" \
"experiments/${EXPERIMENT_NAME}/run_bench.sh" \
"" \
"Kunlun P800 long-context matrix ${BACKEND} TP=8 for DeepSeek-V4-Flash-INT8"
# Build groups JSON from CONTEXT_GROUPS.
local groups_json="["
local first=1
for group in "${CONTEXT_GROUPS[@]}"; do
read -r label context_length max_running <<< "$group"
if [[ "$first" -eq 1 ]]; then
first=0
else
groups_json+=","
fi
groups_json+="{\"label\":\"${label}\",\"context_length\":${context_length},\"max_running\":${max_running}}"
done
groups_json+="]"
# Embed config.
python3 - "$meta_json" "$groups_json" <<'PY' >/dev/null
import json
import sys
path = sys.argv[1]
groups = json.loads(sys.argv[2])
with open(path, "r", encoding="utf-8") as f:
data = json.load(f)
data["config"] = {
"tp": 8,
"xpu_visible_devices": "0,1,2,3,4,5,6,7",
"backend": data["metadata"]["backend"],
"engine": data["metadata"]["engine"],
"server_mode": "w8a8_int8_baseline",
"server_start_script": f"experiments/{data['metadata']['experiment']}/start_server.sh",
"groups": groups
}
with open(path, "w", encoding="utf-8") as f:
json.dump(data, f, indent=2, ensure_ascii=False)
PY
}
# ---------------------------------------------------------------------------
# Main
# ---------------------------------------------------------------------------
# Cleanup any leftovers.
stop_server
write_backend_metadata
for group in "${CONTEXT_GROUPS[@]}"; do
read -r group_label context_length max_running <<< "$group"
# Resolve scenario array for this group.
scenario_array_name="SCENARIOS_${group_label^^}"
if [[ -z "${!scenario_array_name:-}" ]]; then
log "WARNING: no scenarios defined for group ${group_label}"
continue
fi
run_group "$group_label" "$context_length" "$max_running" "$scenario_array_name"
done
parse_backend
log "all results saved to ${RESULT_BASE}/${RUN_ID}"