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
	123	NUITKA_MAY_BE_UNUSED char const *type_description_1 = NULL;		123	NUITKA_MAY_BE_UNUSED char const *type_description_1 = NULL;
	124	PyObject *exception_type = NULL;		124	PyObject *exception_type = NULL;
	125	PyObject *exception_value = NULL;		125	PyObject *exception_value = NULL;
	126	PyTracebackObject *exception_tb = NULL;		126	PyTracebackObject *exception_tb = NULL;
	127	NUITKA_MAY_BE_UNUSED int exception_lineno = 0;		127	NUITKA_MAY_BE_UNUSED int exception_lineno = 0;
n	128	NUITKA_MAY_BE_UNUSED nuitka_void tmp_unused;	n
	129	static struct Nuitka_FrameObject *cache_frame_00c8e1934337a71cea2a8193e26dd8bd = NULL;		128	static struct Nuitka_FrameObject *cache_frame_00c8e1934337a71cea2a8193e26dd8bd = NULL;
	130	PyObject *tmp_return_value = NULL;		129	PyObject *tmp_return_value = NULL;
	131	PyObject *exception_keeper_type_1;		130	PyObject *exception_keeper_type_1;
	132	PyObject *exception_keeper_value_1;		131	PyObject *exception_keeper_value_1;
	133	PyTracebackObject *exception_keeper_tb_1;		132	PyTracebackObject *exception_keeper_tb_1;
	187			186
	188	tmp_assign_source_1 = tmp_mvar_value_1;		187	tmp_assign_source_1 = tmp_mvar_value_1;
	189	assert(var_called == NULL);		188	assert(var_called == NULL);
	190	Py_INCREF(tmp_assign_source_1);		189	Py_INCREF(tmp_assign_source_1);
	191	var_called = tmp_assign_source_1;		190	var_called = tmp_assign_source_1;
n	192	}	n
	193	{
	194	PyObject *tmp_called_name_1;
	195	PyObject *tmp_call_result_1;
	196	CHECK_OBJECT(var_called);
	197	tmp_called_name_1 = var_called;
	198	frame_00c8e1934337a71cea2a8193e26dd8bd->m_frame.f_lineno = 34;
	199	tmp_call_result_1 = CALL_FUNCTION_NO_ARGS(tmp_called_name_1);
	200	if (tmp_call_result_1 == NULL) {
	201	assert(ERROR_OCCURRED());
	202
	203	FETCH_ERROR_OCCURRED(&exception_type, &exception_value, &exception_tb);
	204
	205
	206	exception_lineno = 34;
	207	type_description_1 = "o";
	208	goto frame_exception_exit_1;
	209	}
	210	Py_DECREF(tmp_call_result_1);
	211	}		191	}
	212			192
	213	#if 0		193	#if 0
	214	RESTORE_FRAME_EXCEPTION(frame_00c8e1934337a71cea2a8193e26dd8bd);		194	RESTORE_FRAME_EXCEPTION(frame_00c8e1934337a71cea2a8193e26dd8bd);
	215	#endif		195	#endif
	279	exception_keeper_lineno_1 = exception_lineno;		259	exception_keeper_lineno_1 = exception_lineno;
	280	exception_type = NULL;		260	exception_type = NULL;
	281	exception_value = NULL;		261	exception_value = NULL;
	282	exception_tb = NULL;		262	exception_tb = NULL;
	283	exception_lineno = 0;		263	exception_lineno = 0;
t	284		t
	285	Py_XDECREF(var_called);
	286	var_called = NULL;
	287			264
	288	// Re-raise.		265	// Re-raise.
	289	exception_type = exception_keeper_type_1;		266	exception_type = exception_keeper_type_1;
	290	exception_value = exception_keeper_value_1;		267	exception_value = exception_keeper_value_1;
	291	exception_tb = exception_keeper_tb_1;		268	exception_tb = exception_keeper_tb_1;