diff --git a/.github/workflows/sglang_benchmark_workflow.yaml b/.github/workflows/sglang_benchmark_workflow.yaml
index 786fccd738a4..01e40f7b332b 100644
--- a/.github/workflows/sglang_benchmark_workflow.yaml
+++ b/.github/workflows/sglang_benchmark_workflow.yaml
@@ -141,13 +141,13 @@ jobs:
           case "${model_name}" in
             offical_qwen3p5_397B_ptpc)
               model_path="/models/offical_qwen3p5_397B_ptpc"
-              model_image="rocm/ali-private:ubuntu22.04_rocm7.2.0.43_cp310_torch2.9.1_sglang_8e85368_aiter_303a583_qwen3_5_20260417_v2"
+              model_image="rocm/ali-private:ubuntu22.04_rocm7.2.0.43_cp310_torch2.9.1_sglang_3038fa5_aiter_ea051b0_qwen3_5_20260710_v2"
               model_tp="8"
               model_vlm_cache_size_mb="0"
               ;;
             Qwen3.5-27B-PTPC-compressor)
               model_path="/models/Qwen3.5-27B-PTPC-compressor"
-              model_image="rocm/ali-private:ubuntu22.04_rocm7.2.0.43_cp310_torch2.9.1_sglang_8e85368_aiter_303a583_qwen3_5_20260417_v2"
+              model_image="rocm/ali-private:ubuntu22.04_rocm7.2.0.43_cp310_torch2.9.1_sglang_3038fa5_aiter_ea051b0_qwen3_5_20260710_v2"
               model_tp="1"
               model_vlm_cache_size_mb="8192"
               ;;
@@ -172,6 +172,24 @@ jobs:
           echo "Resolved model_tp: ${model_tp}"
           echo "Resolved model_vlm_cache_size_mb: ${model_vlm_cache_size_mb}"
 
+      - name: Docker login
+        if: ${{ github.event.pull_request }}
+        env:
+          DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
+        run: |
+          for attempt in 1 2 3; do
+            if echo "$DOCKER_PASSWORD" | docker login -u alishared --password-stdin; then
+              echo "Docker login succeeded on attempt ${attempt}"
+              exit 0
+            fi
+            echo "Docker login attempt ${attempt} failed"
+            if [ "${attempt}" != 3 ]; then
+              sleep 10
+            fi
+          done
+          echo "Docker login failed after 3 attempts, continuing anyway"
+          exit 0
+
       - name: Prepare SGLang image
         run: |
           set -euo pipefail
diff --git a/scripts/ci/sglang_benchmark_workflow.sh b/scripts/ci/sglang_benchmark_workflow.sh
index 0a5f398ecdc8..8cce4a4a8bfe 100644
--- a/scripts/ci/sglang_benchmark_workflow.sh
+++ b/scripts/ci/sglang_benchmark_workflow.sh
@@ -19,16 +19,25 @@ BENCHMARK_EXAMPLE_ROOT=${SGLANG_BENCHMARK_EXAMPLE_ROOT:-/models/benchamark_examp
 
 export SGLANG_DISABLE_CUDNN_CHECK=1
 export SGLANG_USE_CUDA_IPC_TRANSPORT=1
-# Override to 0 for Ali-specific runs when required.
 export SGLANG_VLM_CACHE_SIZE_MB="${SGLANG_VLM_CACHE_SIZE_MB:-8192}"
 export SGLANG_USE_AITER=1
 export SGLANG_ROCM_USE_AITER_LINEAR_SHUFFLE=1
 export SGLANG_ROCM_USE_AITER_LINEAR_FP8HIPB=1
 export SGLANG_USE_AITER_NEW_CA=false
-
-if [[ "${MODEL_NAME}" == "offical_qwen3p5_397B_ptpc" ]]; then
-  export AITER_MOE_PADDING_SIZE="${AITER_MOE_PADDING_SIZE:-256}"
+export USE_HIP_LINEAR_ATTN="${USE_HIP_LINEAR_ATTN:-1}"
+export SGLANG_USE_IPC_POOL_HANDLE_CACHE="${SGLANG_USE_IPC_POOL_HANDLE_CACHE:-1}"
+export HIP_GDN_SORT_IDX_BS="${HIP_GDN_SORT_IDX_BS:-32768}"
+
+# Model-specific aiter tuning (from the validated launch references).
+if [[ "${MODEL_NAME}" == "Qwen3.5-27B-PTPC-compressor" ]]; then
+  export AITER_QUICK_REDUCE_QUANTIZATION="${AITER_QUICK_REDUCE_QUANTIZATION:-INT8}"
+  export SGLANG_DISABLE_AITER_FUSED_AR_RMSNORM="${SGLANG_DISABLE_AITER_FUSED_AR_RMSNORM:-1}"
+elif [[ "${MODEL_NAME}" == "offical_qwen3p5_397B_ptpc" ]]; then
+  export AITER_QUICK_REDUCE_QUANTIZATION="${AITER_QUICK_REDUCE_QUANTIZATION:-INT6}"
+  export USE_AITER_COMM="${USE_AITER_COMM:-1}"
 fi
+# Fallback quick-reduce level for any other model.
+export AITER_QUICK_REDUCE_QUANTIZATION="${AITER_QUICK_REDUCE_QUANTIZATION:-INT6}"
 
 echo "Detect TYPE: ${TYPE}"
 echo "Detect model_name: ${MODEL_NAME}"
@@ -82,8 +91,15 @@ print_launch_recipe() {
   echo "export SGLANG_ROCM_USE_AITER_LINEAR_SHUFFLE=${SGLANG_ROCM_USE_AITER_LINEAR_SHUFFLE}"
   echo "export SGLANG_ROCM_USE_AITER_LINEAR_FP8HIPB=${SGLANG_ROCM_USE_AITER_LINEAR_FP8HIPB}"
   echo "export SGLANG_USE_AITER_NEW_CA=${SGLANG_USE_AITER_NEW_CA}"
-  if [[ -n "${AITER_MOE_PADDING_SIZE:-}" ]]; then
-    echo "export AITER_MOE_PADDING_SIZE=${AITER_MOE_PADDING_SIZE}"
+  echo "export USE_HIP_LINEAR_ATTN=${USE_HIP_LINEAR_ATTN}"
+  echo "export SGLANG_USE_IPC_POOL_HANDLE_CACHE=${SGLANG_USE_IPC_POOL_HANDLE_CACHE}"
+  echo "export HIP_GDN_SORT_IDX_BS=${HIP_GDN_SORT_IDX_BS}"
+  echo "export AITER_QUICK_REDUCE_QUANTIZATION=${AITER_QUICK_REDUCE_QUANTIZATION}"
+  if [[ -n "${USE_AITER_COMM:-}" ]]; then
+    echo "export USE_AITER_COMM=${USE_AITER_COMM}"
+  fi
+  if [[ -n "${SGLANG_DISABLE_AITER_FUSED_AR_RMSNORM:-}" ]]; then
+    echo "export SGLANG_DISABLE_AITER_FUSED_AR_RMSNORM=${SGLANG_DISABLE_AITER_FUSED_AR_RMSNORM}"
   fi
 
   echo
@@ -102,13 +118,15 @@ nohup python3 -m sglang.launch_server \\
   --mem-fraction-static 0.9 \\
   --max-prefill-tokens 32768 \\
   --max-running-requests 128 \\
+  --cuda-graph-max-bs 128 \\
+  --kv-cache-dtype fp8_e4m3 \\
+  --disable-radix-cache \\
+  --mm-attention-backend aiter_attn \\
 EOF
-  if [[ "${MODEL_NAME}" == "offical_qwen3p5_397B_ptpc" ]]; then
+  if [[ "${MODEL_NAME}" == "Qwen3.5-27B-PTPC-compressor" ]]; then
     echo "  --disable-custom-all-reduce \\"
   fi
   cat <<EOF
-  --disable-radix-cache \\
-  --mm-attention-backend aiter_attn \\
   > ${SERVER_LOG} 2>&1 &
 EOF
 }
@@ -390,9 +408,6 @@ if [[ "${TYPE}" == "launch" ]]; then
   rm -f "${SERVER_LOG}"
   model="${MODEL_PATH}"
   attention_backend="aiter"
-  if [[ "${MODEL_NAME}" == "Qwen3.5-27B-PTPC-compressor" ]]; then
-    attention_backend="triton"
-  fi
 
   launch_args=(
     --port "${PORT}"
@@ -407,11 +422,15 @@ if [[ "${TYPE}" == "launch" ]]; then
     --mem-fraction-static 0.9
     --max-prefill-tokens 32768
     --max-running-requests 128
+    --cuda-graph-max-bs 128
+    --kv-cache-dtype fp8_e4m3
     --disable-radix-cache
     --mm-attention-backend aiter_attn
   )
 
-  if [[ "${MODEL_NAME}" == "offical_qwen3p5_397B_ptpc" ]]; then
+  # 27B disables the aiter custom all-reduce (paired with
+  # SGLANG_DISABLE_AITER_FUSED_AR_RMSNORM=1 above); 397B keeps it.
+  if [[ "${MODEL_NAME}" == "Qwen3.5-27B-PTPC-compressor" ]]; then
     launch_args+=(--disable-custom-all-reduce)
   fi