chore: vendor sglang v0.5.10 snapshot

third_party/sglang/scripts/ci/amd/amd_ci_exec.sh

@@ -0,0 +1,89 @@
+#!/bin/bash
+set -euo pipefail
+
+# Detect GPU family from hostname (e.g., linux-mi35x-gpu-1-xxxxx-runner-zzzzz)
+HOSTNAME_VALUE=$(hostname)
+GPU_FAMILY=""
+
+# Host names look like: linux-mi35x-gpu-1-xxxxx-runner-zzzzz
+if [[ "${HOSTNAME_VALUE}" =~ ^linux-(mi[0-9]+[a-z]*)-gpu-[0-9]+ ]]; then
+  GPU_FAMILY="${BASH_REMATCH[1]}"
+  echo "Detected GPU family from hostname: ${GPU_FAMILY}"
+else
+  echo "Warning: could not parse GPU family from '${HOSTNAME_VALUE}'"
+fi
+
+WORKDIR="/sglang-checkout/test/srt"
+declare -A ENV_MAP=(
+  [SGLANG_IS_IN_CI_AMD]=1
+  [SGLANG_IS_IN_CI]=1
+  [SGLANG_USE_AITER]=1
+)
+
+# Conditionally add GPU_ARCHS only for mi35x
+if [[ "${GPU_FAMILY}" == "mi35x" ]]; then
+  ENV_MAP[GPU_ARCHS]="gfx950"
+fi
+
+# Parse -w/--workdir and -e ENV=VAL
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    -w|--workdir)
+      WORKDIR="$2"
+      shift 2
+      ;;
+    -e)
+      IFS="=" read -r key val <<< "$2"
+      ENV_MAP["$key"]="$val"
+      shift 2
+      ;;
+    --)
+      shift
+      break
+      ;;
+    *)
+      break
+      ;;
+  esac
+done
+
+# Build final ENV_ARGS
+ENV_ARGS=()
+for key in "${!ENV_MAP[@]}"; do
+  ENV_ARGS+=("-e" "$key=${ENV_MAP[$key]}")
+done
+
+# Run docker exec with retry logic for HuggingFace network/download issues
+# When HF model downloads fail due to network timeouts or rate limits,
+# retrying with HF_HUB_OFFLINE=1 uses cached models from previous downloads.
+#
+# First attempt: normal mode (allows HF downloads)
+if docker exec \
+  -w "$WORKDIR" \
+  "${ENV_ARGS[@]}" \
+  ci_sglang "$@"; then
+  exit 0
+else
+  FIRST_EXIT_CODE=$?
+fi
+
+echo "First attempt failed with exit code $FIRST_EXIT_CODE"
+
+# Skip retry for test failures that won't be fixed by offline mode:
+#   - Exit 1: Test assertion failures (accuracy below threshold)
+#   - Exit 137 (128+9): Process killed by OOM
+#   - Exit 255: Test suite completed with test errors
+# Only retry for other exit codes (e.g., network timeouts, HF download failures)
+if [[ "$FIRST_EXIT_CODE" -eq 1 || "$FIRST_EXIT_CODE" -eq 137 || "$FIRST_EXIT_CODE" -eq 255 ]]; then
+  echo "Exit code $FIRST_EXIT_CODE indicates test failure (not network issue), not retrying"
+  exit $FIRST_EXIT_CODE
+fi
+
+echo "Retrying with HF_HUB_OFFLINE=1 (offline mode to use cached models)..."
+
+# Second attempt: force HF offline mode to avoid network timeouts
+docker exec \
+  -w "$WORKDIR" \
+  "${ENV_ARGS[@]}" \
+  -e HF_HUB_OFFLINE=1 \
+  ci_sglang "$@"