diff --git a/tritonbench/utils/constants.py b/tritonbench/utils/constants.py
new file mode 100644
index 000000000..e252aee3f
--- /dev/null
+++ b/tritonbench/utils/constants.py
@@ -0,0 +1,4 @@
+DEFAULT_WARMUP = 25
+DEFAULT_REP = 100
+DEFAULT_QUANTILES = [0.5, 0.1, 0.9]
+DEFAULT_SLEEP = 0.0
diff --git a/tritonbench/utils/parser.py b/tritonbench/utils/parser.py
index aa7a60ae7..20bf89865 100644
--- a/tritonbench/utils/parser.py
+++ b/tritonbench/utils/parser.py
@@ -1,7 +1,7 @@
 import argparse
 
 from tritonbench.utils.env_utils import AVAILABLE_PRECISIONS, is_fbcode
-from tritonbench.utils.triton_op import DEFAULT_REP, DEFAULT_WARMUP
+from tritonbench.utils.constants import DEFAULT_REP, DEFAULT_WARMUP
 
 
 def get_parser(args=None):
diff --git a/tritonbench/utils/triton_op.py b/tritonbench/utils/triton_op.py
index 44167ae90..8ea2ad6d1 100644
--- a/tritonbench/utils/triton_op.py
+++ b/tritonbench/utils/triton_op.py
@@ -14,6 +14,7 @@
 import sys
 import tempfile
 import time
+import types
 
 from collections import defaultdict, OrderedDict
 from dataclasses import asdict, dataclass, fields
@@ -35,6 +36,7 @@
 )
 from tritonbench.components.export import export_data
 
+from tritonbench.utils.constants import (DEFAULT_WARMUP,DEFAULT_REP,DEFAULT_QUANTILES,DEFAULT_SLEEP)
 from tritonbench.utils.env_utils import (
     apply_precision,
     is_fbcode,
@@ -43,6 +45,7 @@
     set_random_seed,
 )
 from tritonbench.utils.input import input_cast
+from tritonbench.utils.parser import get_parser
 from tritonbench.utils.path_utils import add_cmd_parameter, remove_cmd_parameter
 
 if is_hip():
@@ -77,11 +80,6 @@ class BenchmarkOperatorBackend:
     # ci = False implies enabled = False
     ci: bool = True
 
-
-DEFAULT_WARMUP = 25
-DEFAULT_REP = 100
-DEFAULT_QUANTILES = [0.5, 0.1, 0.9]
-DEFAULT_SLEEP = 0.0
 REGISTERED_BENCHMARKS: Dict[str, OrderedDict[str, BenchmarkOperatorBackend]] = {}
 REGISTERED_METRICS: defaultdict[str, List[str]] = defaultdict(list)
 OVERRIDDEN_METRICS: defaultdict[str, List[str]] = defaultdict(list)
@@ -590,10 +588,11 @@ def register_benchmark(
     label: Optional[str] = None,
 ):
     def decorator(function):
+        
         op_name = (
-            _find_op_name_from_module_path(function.__module__)
-            if not operator_name
-            else operator_name
+            operator_name
+            if operator_name
+            else _find_op_name_from_module_path(function.__module__)
         )
         fn_name = function.__name__ if not func_name else func_name
         backend_config = BenchmarkOperatorBackend(
@@ -667,6 +666,11 @@ def _has_and_true(attr):
     if _has_and_true("fwd_no_grad"):
         tb_args.mode = "fwd_no_grad"
 
+def override_args(args_to_override):
+    parser = get_parser()
+    tb_args, extra_args = parser.parse_known_args(args_to_override)
+    return tb_args, extra_args
+
 
 class BenchmarkOperator(metaclass=PostInitProcessor):
     mode: Mode = Mode.FWD
@@ -692,11 +696,19 @@ class BenchmarkOperator(metaclass=PostInitProcessor):
     """
 
     def __init__(
-        self, tb_args: argparse.Namespace, extra_args: Optional[List[str]] = None
+        self, tb_args: argparse.Namespace = None, extra_args: Optional[List[str]] = None
     ):
         set_env()
         set_random_seed()
-        self.name = _find_op_name_from_module_path(self.__class__.__module__)
+        if extra_args and not tb_args:
+            tb_args, extra_args = override_args(extra_args)
+        elif not tb_args:
+            raise ValueError('no args selected. Either pass in argparse namespace or give list override')
+
+        if tb_args.benchmark_name:
+            self.name = tb_args.benchmark_name
+        else:
+            self.name = _find_op_name_from_module_path(self.__class__.__module__)
         self._raw_extra_args = copy.deepcopy(extra_args)
         self.tb_args = tb_args
         self.add_production_shapes = (
@@ -807,6 +819,39 @@ def fwd_no_grad_fn():
 
             setattr(fwd_no_grad_fn, "_name", bm_func_name)
             return fwd_no_grad_fn
+    
+    def set_input_iter(self, input_iter: Callable):
+        def input_decorator(input_iter):
+            def input_callable(self):
+                return input_iter()
+            return input_callable
+        self.get_input_iter = input_decorator(input_iter)
+        self.get_input_iter = input_decorator(input_iter).__get__(self, BenchmarkOperator)
+        self.input_iter = input_iter
+        self._available_num_inputs = sum(1 for _ in self.get_input_iter())
+        self._num_inputs = self._available_num_inputs - self._input_id
+    
+    def add_benchmark(
+        self,
+        bm_callable: Callable,
+        operator_name: Optional[str] = None,
+        func_name: Optional[str] = None,
+        baseline: bool = False,
+        fwd_only: bool = False,
+        label: Optional[str] = None
+    ) -> None:
+        decorator_kwargs = {
+            "operator_name":operator_name or self.name,
+            "func_name":func_name,
+            "enabled":True,
+            "baseline":baseline,
+            "fwd_only":fwd_only,
+            "label":label
+            }
+        decorated_func = register_benchmark(**decorator_kwargs)(bm_callable)
+        bound_method = types.MethodType(decorated_func, self)
+        setattr(self, func_name or bm_callable.__name__, bound_method)
+        REGISTERED_BENCHMARKS[func_name] = bm_callable
 
     def run(
         self,
@@ -959,9 +1004,10 @@ def get_bwd_fn(self, fwd_fn: Callable) -> Callable:
 
     def get_input_iter(self) -> Generator:
         """Return the dynamic input iterator for the model."""
-        raise NotImplementedError(
+        logger.warning(
             "Each operator must implement its own input iterator."
         )
+        return []
 
     def get_grad_to_none(self, args):
         return None