Construct FunctionEmpty

Performance Diagrams

Source Code with Construct

def empty():
    pass

module_var = None

def calledRepeatedly():
    # We measure making that call or not. Lets get the module
    # variable look-up out of the game, by making it a local
    # variable
    called = empty

# construct_begin
    called()
# construct_end

import itertools
for x in itertools.repeat(None, 50000):
    calledRepeatedly()

print("OK.")

Source Code without Construct

def empty():
    pass

module_var = None

def calledRepeatedly():
    # We measure making that call or not. Lets get the module
    # variable look-up out of the game, by making it a local
    # variable
    called = empty

# construct_begin



import itertools
for x in itertools.repeat(None, 50000):
    calledRepeatedly()

print("OK.")

Context Diff of Source Code

	Construct			Baseline
	29	# variable look-up out of the game, by making it a local		29	# variable look-up out of the game, by making it a local
	30	# variable		30	# variable
	31	called = empty		31	called = empty
	32			32
	33	# construct_begin		33	# construct_begin
t	34	called()	t	34
	35	# construct_end		35
	36			36
	37	import itertools		37	import itertools
	38	for x in itertools.repeat(None, 50000):		38	for x in itertools.repeat(None, 50000):
	39	calledRepeatedly()		39	calledRepeatedly()
	40			40

Context Diff of Generated Code

	Construct			Baseline
	91	NUITKA_MAY_BE_UNUSED char const *type_description_1 = NULL;		91	NUITKA_MAY_BE_UNUSED char const *type_description_1 = NULL;
	92	PyObject *exception_type = NULL;		92	PyObject *exception_type = NULL;
	93	PyObject *exception_value = NULL;		93	PyObject *exception_value = NULL;
	94	PyTracebackObject *exception_tb = NULL;		94	PyTracebackObject *exception_tb = NULL;
	95	NUITKA_MAY_BE_UNUSED int exception_lineno = 0;		95	NUITKA_MAY_BE_UNUSED int exception_lineno = 0;
n	96	NUITKA_MAY_BE_UNUSED nuitka_void tmp_unused;	n
	97	static struct Nuitka_FrameObject *cache_frame_5a6f5750425a1d9e90073f1c2ce4b9ca = NULL;		96	static struct Nuitka_FrameObject *cache_frame_5a6f5750425a1d9e90073f1c2ce4b9ca = NULL;
	98	PyObject *tmp_return_value = NULL;		97	PyObject *tmp_return_value = NULL;
	99	PyObject *exception_keeper_type_1;		98	PyObject *exception_keeper_type_1;
	100	PyObject *exception_keeper_value_1;		99	PyObject *exception_keeper_value_1;
	101	PyTracebackObject *exception_keeper_tb_1;		100	PyTracebackObject *exception_keeper_tb_1;
	144	goto frame_exception_exit_1;		143	goto frame_exception_exit_1;
	145	}		144	}
	146	assert(var_called == NULL);		145	assert(var_called == NULL);
	147	Py_INCREF(tmp_assign_source_1);		146	Py_INCREF(tmp_assign_source_1);
	148	var_called = tmp_assign_source_1;		147	var_called = tmp_assign_source_1;
n	149	}	n
	150	{
	151	PyObject *tmp_called_name_1;
	152	PyObject *tmp_call_result_1;
	153	CHECK_OBJECT(var_called);
	154	tmp_called_name_1 = var_called;
	155	frame_5a6f5750425a1d9e90073f1c2ce4b9ca->m_frame.f_lineno = 34;
	156	tmp_call_result_1 = CALL_FUNCTION_NO_ARGS(tmp_called_name_1);
	157	if (tmp_call_result_1 == NULL) {
	158	assert(ERROR_OCCURRED());
	159
	160	FETCH_ERROR_OCCURRED(&exception_type, &exception_value, &exception_tb);
	161
	162
	163	exception_lineno = 34;
	164	type_description_1 = "o";
	165	goto frame_exception_exit_1;
	166	}
	167	Py_DECREF(tmp_call_result_1);
	168	}		148	}
	169			149
	170	#if 0		150	#if 0
	171	RESTORE_FRAME_EXCEPTION(frame_5a6f5750425a1d9e90073f1c2ce4b9ca);		151	RESTORE_FRAME_EXCEPTION(frame_5a6f5750425a1d9e90073f1c2ce4b9ca);
	172	#endif		152	#endif
	236	exception_type = NULL;		216	exception_type = NULL;
	237	exception_value = NULL;		217	exception_value = NULL;
	238	exception_tb = NULL;		218	exception_tb = NULL;
	239	exception_lineno = 0;		219	exception_lineno = 0;
	240			220
t	241	Py_XDECREF(var_called);	t
	242	var_called = NULL;
	243	// Re-raise.		221	// Re-raise.
	244	exception_type = exception_keeper_type_1;		222	exception_type = exception_keeper_type_1;
	245	exception_value = exception_keeper_value_1;		223	exception_value = exception_keeper_value_1;
	246	exception_tb = exception_keeper_tb_1;		224	exception_tb = exception_keeper_tb_1;
	247	exception_lineno = exception_keeper_lineno_1;		225	exception_lineno = exception_keeper_lineno_1;