diff --git a/userbenchmark/dynamo/dynamobench/common.py b/userbenchmark/dynamo/dynamobench/common.py
index 7378959eb1..c8698707aa 100644
--- a/userbenchmark/dynamo/dynamobench/common.py
+++ b/userbenchmark/dynamo/dynamobench/common.py
@@ -4430,7 +4430,15 @@ def run(runner, args, original_dir=None):
                 fullgraph=args.nopython,
                 mode=args.inductor_compile_mode,
             )
-            runner.model_iter_fn = baseline_ctx(runner.model_iter_fn)
+            model_iter_fn = baseline_ctx(runner.model_iter_fn)
+
+            # needed to avoid error that causes inconsistent timing due to:
+            # Unable to hit fast path of CUDAGraphs because of pending, uninvoked backwards
+            def model_iter_fn_and_mark_step(*args, **kwargs):
+                torch.compiler.cudagraph_mark_step_begin()
+                model_iter_fn(*args, **kwargs)
+
+            runner.model_iter_fn = model_iter_fn_and_mark_step
             optimize_ctx = torchao_optimize_ctx(args.quantization)
         else:
             optimize_ctx = torch._dynamo.optimize(args.backend, nopython=args.nopython)
diff --git a/userbenchmark/dynamo/dynamobench/torchao_backend.py b/userbenchmark/dynamo/dynamobench/torchao_backend.py
index f02672928b..3854853784 100644
--- a/userbenchmark/dynamo/dynamobench/torchao_backend.py
+++ b/userbenchmark/dynamo/dynamobench/torchao_backend.py
@@ -4,48 +4,51 @@
 
 
 def setup_baseline():
-    torch._dynamo.epilogue_fusion = False
+    from torchao.quantization.utils import recommended_inductor_config_setter
+
+    recommended_inductor_config_setter()
     torch._dynamo.config.automatic_dynamic_shapes = False
-    torch._dynamo.config.force_parameter_static_shapes = False
     torch._dynamo.config.cache_size_limit = 10000
-    torch._inductor.config.force_fuse_int_mm_with_mul = True
-    torch._inductor.config.use_mixed_mm = True
 
 
 def torchao_optimize_ctx(quantization: str):
-    import torchao
     from torchao.quantization.quant_api import (
-        change_linear_weights_to_int4_woqtensors,
-        change_linear_weights_to_int8_dqtensors,
-        change_linear_weights_to_int8_woqtensors,
+        autoquant,
+        int4_weight_only,
+        int8_dynamic_activation_int8_weight,
+        int8_weight_only,
+        quantize_,
     )
+    from torchao.utils import unwrap_tensor_subclass
 
     def inner(model_iter_fn: Callable):
         def _torchao_apply(module: torch.nn.Module, example_inputs: Any):
             if getattr(module, "_quantized", None) is None:
                 if quantization == "int8dynamic":
-                    change_linear_weights_to_int8_dqtensors(module)
+                    quantize_(
+                        module,
+                        int8_dynamic_activation_int8_weight(),
+                        set_inductor_config=False,
+                    )
                 elif quantization == "int8weightonly":
-                    change_linear_weights_to_int8_woqtensors(module)
+                    quantize_(module, int8_weight_only(), set_inductor_config=False)
                 elif quantization == "int4weightonly":
-                    change_linear_weights_to_int4_woqtensors(module)
-                elif quantization == "autoquant":
-                    torchao.autoquant(module, error_on_unseen=False)
+                    quantize_(module, int4_weight_only(), set_inductor_config=False)
+                if quantization == "autoquant":
+                    autoquant(module, error_on_unseen=False, set_inductor_config=False)
                     if isinstance(example_inputs, dict):
                         module(**example_inputs)
                     else:
                         module(*example_inputs)
                     from torchao.quantization.autoquant import AUTOQUANT_CACHE
 
-                    assert (
-                        len(AUTOQUANT_CACHE) > 0
-                    ), f"Err: found no autoquantizable layers in model {type(module)}, stopping autoquantization"
-                elif quantization == "noquant":
-                    pass
+                    if len(AUTOQUANT_CACHE) == 0:
+                        raise Exception(  # noqa: TRY002`
+                            "NotAutoquantizable"
+                            f"Found no autoquantizable layers in model {type(module)}, stopping autoquantized run"
+                        )
                 else:
-                    raise AssertionError(
-                        f"Unsupposed quantization mode {quantization}."
-                    )
+                    unwrap_tensor_subclass(module)
                 setattr(module, "_quantized", True)  # noqa: B010
             model_iter_fn(module, example_inputs)