test eager and custom allreduce toggles

qwen3_6_scripts/patch_xformers_sdpa_seq.py

@@ -29,6 +29,10 @@ flash attention kernel（ixformer / cudnnFlashAttnForward）。
   关闭选项），原意是防止 profiling OOM。但 _run_sdpa_fallback 已通过 Q-tiling
   解决了该问题，chunked prefill 反而会把推理路径从 _run_sdpa_fallback 切换到
   _forward_prefix_pytorch，属于不必要的行为变更，因此一并禁用该自动逻辑。
+  同时解除 EngineArgs.create_*_config 中强制 enforce_eager=True 和
+  disable_custom_all_reduce=True 的硬编码，让 Iluvatar 环境可以实际验证
+  CUDA Graph / custom all-reduce；需要回退时仍可通过命令行显式传
+  --enforce-eager --disable-custom-all-reduce。
 
 Deploy:
   python3 modified_scripts/patch_xformers_sdpa_seq.py
@@ -91,6 +95,13 @@ _ARG_NEW_BLOCK = """\
                           # handles long-context memory without chunked prefill\
 """
 
+_ARG_FORCE_EAGER_OLD = "            enforce_eager=True,"
+_ARG_FORCE_EAGER_NEW = "            enforce_eager=self.enforce_eager,"
+_ARG_FORCE_ALLREDUCE_OLD = "            disable_custom_all_reduce=True,"
+_ARG_FORCE_ALLREDUCE_NEW = (
+    "            disable_custom_all_reduce=self.disable_custom_all_reduce,"
+)
+
 FALLBACK_METHOD = '''
     def _run_sdpa_fallback(
         self,
@@ -275,6 +286,26 @@ def patch_arg_utils(path):
     else:
         print("  [warn] target block not found — check arg_utils.py version")
 
+    if _ARG_FORCE_EAGER_NEW in content:
+        print("  [skip] enforce_eager already respects CLI")
+    elif _ARG_FORCE_EAGER_OLD in content:
+        content = content.replace(_ARG_FORCE_EAGER_OLD,
+                                  _ARG_FORCE_EAGER_NEW, 1)
+        print("  [ok]   enforce_eager now respects CLI")
+        changed = True
+    else:
+        print("  [warn] enforce_eager assignment not found")
+
+    if _ARG_FORCE_ALLREDUCE_NEW in content:
+        print("  [skip] custom all-reduce already respects CLI")
+    elif _ARG_FORCE_ALLREDUCE_OLD in content:
+        content = content.replace(_ARG_FORCE_ALLREDUCE_OLD,
+                                  _ARG_FORCE_ALLREDUCE_NEW, 1)
+        print("  [ok]   custom all-reduce now respects CLI")
+        changed = True
+    else:
+        print("  [warn] custom all-reduce assignment not found")
+
     if changed:
         with open(path, "w") as f:
             f.write(content)