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_a795ba47839f1fa67af688d0fb08b789 = NULL;		96	static struct Nuitka_FrameObject *cache_frame_a795ba47839f1fa67af688d0fb08b789 = 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;
	152			151
	153	tmp_assign_source_1 = tmp_mvar_value_1;		152	tmp_assign_source_1 = tmp_mvar_value_1;
	154	assert(var_called == NULL);		153	assert(var_called == NULL);
	155	Py_INCREF(tmp_assign_source_1);		154	Py_INCREF(tmp_assign_source_1);
	156	var_called = tmp_assign_source_1;		155	var_called = tmp_assign_source_1;
n	157	}	n
	158	{
	159	PyObject *tmp_called_name_1;
	160	PyObject *tmp_call_result_1;
	161	CHECK_OBJECT(var_called);
	162	tmp_called_name_1 = var_called;
	163	frame_a795ba47839f1fa67af688d0fb08b789->m_frame.f_lineno = 34;
	164	tmp_call_result_1 = CALL_FUNCTION_NO_ARGS(tmp_called_name_1);
	165	if (tmp_call_result_1 == NULL) {
	166	assert(ERROR_OCCURRED());
	167
	168	FETCH_ERROR_OCCURRED(&exception_type, &exception_value, &exception_tb);
	169
	170
	171	exception_lineno = 34;
	172	type_description_1 = "o";
	173	goto frame_exception_exit_1;
	174	}
	175	Py_DECREF(tmp_call_result_1);
	176	}		156	}
	177			157
	178	#if 0		158	#if 0
	179	RESTORE_FRAME_EXCEPTION(frame_a795ba47839f1fa67af688d0fb08b789);		159	RESTORE_FRAME_EXCEPTION(frame_a795ba47839f1fa67af688d0fb08b789);
	180	#endif		160	#endif
	244	exception_keeper_lineno_1 = exception_lineno;		224	exception_keeper_lineno_1 = exception_lineno;
	245	exception_type = NULL;		225	exception_type = NULL;
	246	exception_value = NULL;		226	exception_value = NULL;
	247	exception_tb = NULL;		227	exception_tb = NULL;
	248	exception_lineno = 0;		228	exception_lineno = 0;
t	249		t
	250	Py_XDECREF(var_called);
	251	var_called = NULL;
	252			229
	253	// Re-raise.		230	// Re-raise.
	254	exception_type = exception_keeper_type_1;		231	exception_type = exception_keeper_type_1;
	255	exception_value = exception_keeper_value_1;		232	exception_value = exception_keeper_value_1;
	256	exception_tb = exception_keeper_tb_1;		233	exception_tb = exception_keeper_tb_1;