yy-fighting be94b8e7ef Add P800 256k/4k long-context probe and baseline w8a8_int8 server mode
- Add experiments/dsv4_p800_256k_4k_probe for testing 256k input + 4k output
  on DeepSeek-V4-Flash-INT8 with Kunlun P800.
- Add SGLANG_EXTRA_LAUNCH_ARGS support to scripts/common/server_docker.sh
  so probe can inject --context-length 270000.
- Add w8a8_int8_baseline server mode without EAGLE speculative decoding,
  matching the long-context P800 tuning.
- Switch dsv4_p800_sglang and the new probe to use w8a8_int8_baseline by
  default; original tuned mode remains available via SERVER_MODE=w8a8_int8.
2026-07-08 10:30:05 +00:00

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# OOM probe for 256k input + 4k output on DeepSeek-V4-Flash-INT8 (Kunlun P800).
# Tests whether the P800 SGLang deployment can serve this context length
# without OOM at concurrency=2 before adding it to the full long-context matrix.
EXPERIMENT="${EXPERIMENT:-dsv4_p800_256k_4k_probe}"
MODEL_NAME="${MODEL_NAME:-DeepSeek-V4-Flash-INT8}"
MODEL_PATH="${MODEL_PATH:-/data1/models/DeepSeek-V4-Flash-INT8}"
SERVED_MODEL_NAME="${SERVED_MODEL_NAME:-deepseek-v4-flash-int8}"
PORT="${PORT:-30000}"
BACKEND="${BACKEND:-sglang}"
ENGINE="${ENGINE:-sglang-xpu}"
DATASET="${DATASET:-random}"
DATASET_PATH="${DATASET_PATH:-/workspace/dummy_sharegpt.json}"
# Server launch mode for P800 SGLang.
# - "w8a8_int8" : default tuned config with EAGLE speculative decoding
# - "w8a8_int8_baseline": baseline config without speculative decoding,
# matching the long-context P800 tuning.
SERVER_MODE="${SERVER_MODE:-w8a8_int8_baseline}"
# Extra SGLang launch arguments for the 256k-context probe.
# 262144 input + 4096 output + padding -> use 270000.
SGLANG_EXTRA_LAUNCH_ARGS="${SGLANG_EXTRA_LAUNCH_ARGS:---context-length 270000 --max-running-requests 4}"
# Scenario list: "concurrency input_len output_len" (one per line).
SCENARIOS=(
"2 262144 4096"
)
# Number of prompts for the probe scenario.
NUM_PROMPTS="${NUM_PROMPTS:-4}"
WARMUP="${WARMUP:-0}"