CI: add MoE perf regression check (bench_moe)

.github/scripts/check_tuned_op_regression.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+# SPDX-License-Identifier: MIT
+# Copyright (C) 2026, Advanced Micro Devices, Inc. All rights reserved.
+#
+# Wrap .github/scripts/compare_benchmark.py for the tuned_op_bench CI job.
+# Prints a comparison table to stdout (captured by the job step into
+# $GITHUB_STEP_SUMMARY). Exits 0 unless --fail-on-regress is passed and
+# at least one REGRESS row is found.
+#
+# Usage: check_tuned_op_regression.sh <baseline_csv> <current_csv> [extra args...]
+set -euo pipefail
+
+BASE=${1:?baseline csv path required}
+CURR=${2:?current csv path required}
+shift 2
+
+BASE_LABEL="baseline"
+CURR_LABEL="current"
+if [[ -n "${BASE_SHA:-}" ]]; then
+    BASE_LABEL="main(${BASE_SHA:0:7})"
+fi
+if [[ -n "${CURR_SHA:-}" ]]; then
+    CURR_LABEL="PR(${CURR_SHA:0:7})"
+elif [[ -n "${GITHUB_SHA:-}" ]]; then
+    CURR_LABEL="${GITHUB_SHA:0:7}"
+fi
+
+REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
+
+python3 "${REPO_ROOT}/.github/scripts/compare_benchmark.py" \
+    "$BASE" "$CURR" \
+    --baseline-label "$BASE_LABEL" \
+    --current-label "$CURR_LABEL" \
+    --warn 1.10 \
+    --fail 1.15 \
+    "$@"