sskj/scripts/common/platform.sh
SSKJ Dev 90fc378d2b Add H20 TP×DP matrix experiments for vLLM and SGLang
- Add dsv4_h20_vllm_tp_dp_matrix experiment (vLLM backend)
- Add dsv4_h20_sglang_tp_dp_matrix experiment (SGLang backend)
- Add nvidia_h20 platform config with H20-specific paths
- Fix platform.sh auto-detection to distinguish H20 from H200
- Fix vLLM Docker startup: remove --entrypoint override for CDI compat
- Fix vLLM 0.25.1 CLI args: remove redundant 'serve' from SERVER_ARGS
- Download ShareGPT dataset to local datasets dir
- Rename DSL to OSL across both experiments
2026-07-16 03:43:58 +00:00

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#!/usr/bin/env bash
# Platform loader.
# Usage: source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/../scripts/common/platform.sh"
set -Eeuo pipefail
_PLATFORM_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
ROOT_DIR="$(cd "${_PLATFORM_DIR}/../.." && pwd)"
# Auto-detect platform if not set.
if [[ -z "${PLATFORM:-}" ]]; then
# Capture xpu-smi output first; piping it directly can trigger SIGPIPE under
# pipefail when grep -q exits early.
_XPU_SMI_OUT=""
if command -v xpu-smi >/dev/null 2>&1; then
_XPU_SMI_OUT=$(xpu-smi 2>/dev/null || true)
fi
if [[ -n "$_XPU_SMI_OUT" ]] && grep -qiE "P800|Kunlun" <<< "$_XPU_SMI_OUT"; then
PLATFORM="kunlun_p800"
elif lspci 2>/dev/null | grep -qiE "XPU|Kunlun"; then
PLATFORM="kunlun_p800"
elif command -v nvidia-smi >/dev/null 2>&1; then
_GPU_NAME=$(nvidia-smi --query-gpu=name --format=csv,noheader 2>/dev/null | head -n 1 || true)
if [[ -n "$_GPU_NAME" ]] && grep -qi "H20" <<< "$_GPU_NAME"; then
PLATFORM="nvidia_h20"
else
PLATFORM="nvidia_h200"
fi
unset _GPU_NAME
else
echo "ERROR: Could not auto-detect PLATFORM. Set PLATFORM env var explicitly." >&2
exit 1
fi
unset _XPU_SMI_OUT
echo "Auto-detected platform: ${PLATFORM}"
fi
PLATFORM_FILE="${ROOT_DIR}/platforms/${PLATFORM}.env"
if [[ ! -f "$PLATFORM_FILE" ]]; then
echo "ERROR: Platform config not found: ${PLATFORM_FILE}" >&2
exit 1
fi
# shellcheck source=/dev/null
source "$PLATFORM_FILE"
# Export key variables if not already set.
export CHIP="${CHIP:-$PLATFORM}"
export ACCELERATOR="${ACCELERATOR:-$PLATFORM}"
export HARDWARE="${HARDWARE:-$PLATFORM}"
export DEFAULT_PORT="${DEFAULT_PORT:-30000}"
export MODEL_ROOT="${MODEL_ROOT:-/data1/models}"