sglang 0.5.2 bench_serving 输出与解析器不兼容,致 add16 c=32 崩溃: - 缺 total_throughput -> total_tps 恒0,无法检测吞吐增益 - 缺 p95_*(仅p99) -> TTFT SLO 失效 - gain previous<=0 返回 inf -> json.loads(inf) 崩溃 修复: 1. adaptive_concurrency.py: 缺失时从 ttfts/itls 数组补算 p95/p50; total_tps 回退 input+output throughput; gain 返回 Infinity 2. parse_backend.py: 同上补算逻辑; 补 from __future__ import annotations (py3.9 下 dict|None 语法无法 import) 3. start_vllm_docker.sh: --device davinci0~15 支持 TP=16; health 超时可配(默认480x5s=40min,TP=16编译16 graph约60min); 补驱动挂载+/mnt; 修容器名双后缀 4. run_adaptive_concurrency_add16.sh: --tokenizer 替代 --model; TORCH_DEVICE_BACKEND_AUTOLOAD=0; CONTAINER_PYTHON 路径; 导出 ENGINE_TP/DP 5. config.env: 固定 CONTAINER_NAME/DOCKER_IMAGE/GPU_MEM_UTIL 6. TP8_vs_TP16_report.md: TP=8 vs TP=16 手动测速对比报告 验证: TP=8 add16 c=16->c=32 不再崩溃; TP=16 编译完成变 healthy 推理正常
96 lines
4.2 KiB
Bash
96 lines
4.2 KiB
Bash
# TP×DP matrix experiment for GLM-5.2 on Ascend 910C (8 NPUs / 16 dies) using vLLM-Ascend.
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# Tests vLLM with three parallel configurations:
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# TP=2, DP=4 -> 2 dies per replica, 4 replicas
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# TP=4, DP=2 -> 4 dies per replica, 2 replicas
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# TP=8, DP=1 -> 8 dies, no data parallelism
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#
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# Platform: ascend_910c (see platforms/ascend_910c.env).
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# Host: 910c.1 / NPU-NODE61, openEuler 22.03 SP4 aarch64, driver 25.5.2, CANN 9.0.0.
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# Image: vllm-ascend; load the tarball from /mnt/models first (see envs/ASCEND_910C_ENV_SETUP.md).
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EXPERIMENT="glm52_910c_vllm_tp_dp_matrix"
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MODEL_NAME="GLM-5.2"
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# GLM-5.2 ships two quantized variants on this host; w4a8c8 is the default.
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# Switch to /mnt/models/GLM-5.2-w8a8 by overriding MODEL_PATH if needed.
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MODEL_PATH="${MODEL_PATH:-/mnt/models/GLM-5.2-w4a8c8}"
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SERVED_MODEL_NAME="glm-5.2"
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VLLM_PORT="${VLLM_PORT:-30050}"
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# Dedicated container name so this experiment never touches other 910c runs.
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CONTAINER_NAME="vllm-ascend-glm52-910c"
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# Python interpreter for the benchmark client inside the vllm-ascend container.
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CONTAINER_PYTHON="/usr/local/python3.12.13/bin/python3"
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# vllm-ascend image. Override with the exact tag after `docker load`-ing one of:
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# /mnt/models/vllm-ascend-glm5.2-a3-openeuler.tar (GLM5.2-tuned, recommended)
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# /mnt/models/vllm-ascend-v0.23.0rc1-a3-openeuler.tar (general v0.23)
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USE_DOCKER="${USE_DOCKER:-1}"
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DOCKER_IMAGE="${DOCKER_IMAGE:-local/vllm-ascend:0.23-a3-20260718-sglang}"
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# Benchmark client Docker image. vLLM's image does not include sglang.bench_serving;
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# reuse the vllm-ascend container itself for the client via `docker exec` (see
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# run_adaptive_concurrency_add16.sh), so this is only used if USE_DOCKER_CLIENT=1
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# with an external sglang image. Default off on 910c.
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DOCKER_CLIENT_IMAGE="${DOCKER_CLIENT_IMAGE:-lmsysorg/sglang:latest}"
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USE_DOCKER_CLIENT="${USE_DOCKER_CLIENT:-0}"
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# Device selection. ASCEND_VISIBLE_DEVICES selects NPU cards 0..7; the Ascend
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# Docker Runtime (default runtime on this host) injects the matching dies.
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export ASCEND_VISIBLE_DEVICES="${ASCEND_VISIBLE_DEVICES:-0,1,2,3,4,5,6,7}"
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# Keep CUDA_VISIBLE_DEVICES for parity with the shared library; vllm-ascend
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# ignores it on NPU but some helper code reads it.
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export CUDA_VISIBLE_DEVICES="${CUDA_VISIBLE_DEVICES:-0,1,2,3,4,5,6,7}"
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# Runtime working directory for logs, pid files, and tmp.
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RUNTIME_BASE="${RUNTIME_BASE:-${SCRIPT_DIR}/runtime}"
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# Parallel configurations to test. Format: "TP DP"
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# Each Ascend910 card has 2 dies; TP addresses dies, so TP=8 uses 8 dies across
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# 4 cards and leaves room for DP. TP=2/DP=4 and TP=4/DP=2 and TP=8/DP=1 all fit
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# within 8 cards (16 dies). Override via PARALLEL_CONFIGS_STR="8,1".
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if [[ -n "${PARALLEL_CONFIGS_STR:-}" ]]; then
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declare -a PARALLEL_CONFIGS=()
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for pair in $PARALLEL_CONFIGS_STR; do
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PARALLEL_CONFIGS+=("${pair//,/ }")
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done
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else
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declare -a PARALLEL_CONFIGS=(
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"2 4"
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"4 2"
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"8 1"
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)
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fi
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# vLLM-Ascend server settings for GLM-5.2 (w4a8c8).
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# Notes:
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# - KV cache dtype fp8 is supported on 910C; fall back to fp16 if the image rejects it.
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# - block-size 128 matches Ascend page semantics (P99 of H20 uses 256; 910C favors 128).
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# - MAX_MODEL_LEN: GLM-5.2 supports up to 128K context; cap at 131072.
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# - gpu-memory-utilization maps to NPU HBM fraction on vllm-ascend (0.9 mirrors H20).
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GPU_MEMORY_UTILIZATION="${GPU_MEMORY_UTILIZATION:-0.95}"
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KV_CACHE_DTYPE="${KV_CACHE_DTYPE:-fp8}"
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BLOCK_SIZE="${BLOCK_SIZE:-128}"
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MAX_MODEL_LEN="${MAX_MODEL_LEN:-131072}"
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MAX_NUM_SEQS="${MAX_NUM_SEQS:-256}"
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# vLLM-Ascend-specific launch flags injected by start_vllm_docker.sh.
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# attention backend for 910C: use the fused/atb attention path. Adjust per image.
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VLLM_ASCEND_ATTENTION_BACKEND="${VLLM_ASCEND_ATTENTION_BACKEND:-atb}"
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# Dataset used by sglang.bench_serving --dataset-name random.
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DATASET_PATH="${DATASET_PATH:-${ROOT_DIR}/datasets/ShareGPT_V3_unfiltered_cleaned_split.json}"
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# Matrix and concurrency rules are defined in matrix.json by default.
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MATRIX_FILE="${MATRIX_FILE:-${SCRIPT_DIR:-.}/matrix.json}"
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MATRIX_MODE="${MATRIX_MODE:-Y}"
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export CONCURRENCY_SAMPLES="${CONCURRENCY_SAMPLES:-2}"
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SCENARIO_TIMEOUT_S="${SCENARIO_TIMEOUT_S:-1800}"
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GPU_MEM_SAMPLE_INTERVAL_S="${GPU_MEM_SAMPLE_INTERVAL_S:-1}"
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DRY_RUN="${DRY_RUN:-0}"
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GRID_LIMIT="${GRID_LIMIT:-0}"
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