Sync from v0.13

examples/online_serving/elastic_ep/serve_deepseek_v2.sh

@@ -0,0 +1,71 @@
+#!/bin/bash
+
+HOST="0.0.0.0"
+PORT=8006
+DATA_PARALLEL_SIZE=4
+REDUNDANT_EXPERTS=0
+LOCAL_MODEL_PATH="/models/models--deepseek-ai--DeepSeek-V2-Lite/snapshots/604d5664dddd88a0433dbae533b7fe9472482de0"
+MODEL_NAME="deepseek-ai/DeepSeek-V2-Lite"
+
+while [[ $# -gt 0 ]]; do
+    case $1 in
+        --dp)
+            DATA_PARALLEL_SIZE="$2"
+            shift 2
+            ;;
+        --re)
+            REDUNDANT_EXPERTS="$2"
+            shift 2
+            ;;
+        --host)
+            HOST="$2"
+            shift 2
+            ;;
+        --port)
+            PORT="$2"
+            shift 2
+            ;;
+        --model)
+            MODEL_NAME="$2"
+            shift 2
+            ;;
+        --local-model)
+            MODEL_NAME=$LOCAL_MODEL_PATH
+            shift
+            ;;
+        -h|--help)
+            echo "Usage: $0 [OPTIONS]"
+            echo "Options:"
+            echo "  --dp SIZE                    Set data parallel size (default: 4)"
+            echo "  --re SIZE                    Set redundant experts (default: 0)"
+            echo "  --host HOST                  Set host address (default: 0.0.0.0)"
+            echo "  --port PORT                  Set port number (default: 8006)"
+            echo "  --model MODEL_NAME           Set model name or path"
+            echo "  -h, --help                   Show this help message"
+            exit 0
+            ;;
+        *)
+            echo "Unknown option: $1"
+            echo "Use -h or --help for usage information"
+            exit 1
+            ;;
+    esac
+done
+
+echo "Starting vLLM server for $MODEL_NAME with data parallel size: $DATA_PARALLEL_SIZE and redundant experts: $REDUNDANT_EXPERTS"
+
+export RAY_DEDUP_LOGS=0
+export VLLM_ALL2ALL_BACKEND="pplx"
+export VLLM_USE_DEEP_GEMM=1
+
+vllm serve $MODEL_NAME \
+    --data-parallel-size $DATA_PARALLEL_SIZE \
+    --data-parallel-size-local $DATA_PARALLEL_SIZE \
+    --data-parallel-backend ray \
+    --enforce-eager \
+    --enable-expert-parallel \
+    --enable-eplb \
+    --num-redundant-experts $REDUNDANT_EXPERTS \
+    --trust-remote-code \
+    --host $HOST \
+    --port $PORT