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
	178	tmp_assign_source_1 = tmp_mvar_value_1;		178	tmp_assign_source_1 = tmp_mvar_value_1;
	179	assert(var_called == NULL);		179	assert(var_called == NULL);
	180	Py_INCREF(tmp_assign_source_1);		180	Py_INCREF(tmp_assign_source_1);
	181	var_called = tmp_assign_source_1;		181	var_called = tmp_assign_source_1;
	182	}		182	}
n	183	{	n
	184	PyObject *tmp_called_name_1;
	185	PyObject *tmp_call_result_1;
	186	CHECK_OBJECT(var_called);
	187	tmp_called_name_1 = var_called;
	188	frame_a9aa369f84c50c68137dae8acb71a509->m_frame.f_lineno = 34;
	189	tmp_call_result_1 = CALL_FUNCTION_NO_ARGS( tmp_called_name_1 );
	190	if ( tmp_call_result_1 == NULL )
	191	{
	192	assert(ERROR_OCCURRED());
	193
	194	FETCH_ERROR_OCCURRED(&exception_type, &exception_value, &exception_tb);
	195
	196
	197	exception_lineno = 34;
	198	type_description_1 = "o";
	199	goto frame_exception_exit_1;
	200	}
	201	Py_DECREF(tmp_call_result_1);
	202	}
	203			183
	204	#if 0		184	#if 0
	205	RESTORE_FRAME_EXCEPTION(frame_a9aa369f84c50c68137dae8acb71a509);		185	RESTORE_FRAME_EXCEPTION(frame_a9aa369f84c50c68137dae8acb71a509);
	206	#endif		186	#endif
	207			187
	267	exception_keeper_lineno_1 = exception_lineno;		247	exception_keeper_lineno_1 = exception_lineno;
	268	exception_type = NULL;		248	exception_type = NULL;
	269	exception_value = NULL;		249	exception_value = NULL;
	270	exception_tb = NULL;		250	exception_tb = NULL;
	271	exception_lineno = 0;		251	exception_lineno = 0;
t	272		t
	273	Py_XDECREF(var_called);
	274	var_called = NULL;
	275			252
	276	// Re-raise.		253	// Re-raise.
	277	exception_type = exception_keeper_type_1;		254	exception_type = exception_keeper_type_1;
	278	exception_value = exception_keeper_value_1;		255	exception_value = exception_keeper_value_1;
	279	exception_tb = exception_keeper_tb_1;		256	exception_tb = exception_keeper_tb_1;