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
	176	tmp_assign_source_1 = tmp_mvar_value_1;		176	tmp_assign_source_1 = tmp_mvar_value_1;
	177	assert(var_called == NULL);		177	assert(var_called == NULL);
	178	Py_INCREF(tmp_assign_source_1);		178	Py_INCREF(tmp_assign_source_1);
	179	var_called = tmp_assign_source_1;		179	var_called = tmp_assign_source_1;
	180	}		180	}
n	181	{	n
	182	PyObject *tmp_called_name_1;
	183	PyObject *tmp_call_result_1;
	184	CHECK_OBJECT(var_called);
	185	tmp_called_name_1 = var_called;
	186	frame_5c300fe897ed580e928948c6477d93ce->m_frame.f_lineno = 34;
	187	tmp_call_result_1 = CALL_FUNCTION_NO_ARGS(tmp_called_name_1);
	188	if (tmp_call_result_1 == NULL) {
	189	assert(ERROR_OCCURRED());
	190
	191	FETCH_ERROR_OCCURRED(&exception_type, &exception_value, &exception_tb);
	192
	193
	194	exception_lineno = 34;
	195	type_description_1 = "o";
	196	goto frame_exception_exit_1;
	197	}
	198	Py_DECREF(tmp_call_result_1);
	199	}
	200			181
	201	#if 0		182	#if 0
	202	RESTORE_FRAME_EXCEPTION(frame_5c300fe897ed580e928948c6477d93ce);		183	RESTORE_FRAME_EXCEPTION(frame_5c300fe897ed580e928948c6477d93ce);
	203	#endif		184	#endif
	204			185
	264	exception_keeper_lineno_1 = exception_lineno;		245	exception_keeper_lineno_1 = exception_lineno;
	265	exception_type = NULL;		246	exception_type = NULL;
	266	exception_value = NULL;		247	exception_value = NULL;
	267	exception_tb = NULL;		248	exception_tb = NULL;
	268	exception_lineno = 0;		249	exception_lineno = 0;
t	269		t
	270	Py_XDECREF(var_called);
	271	var_called = NULL;
	272			250
	273	// Re-raise.		251	// Re-raise.
	274	exception_type = exception_keeper_type_1;		252	exception_type = exception_keeper_type_1;
	275	exception_value = exception_keeper_value_1;		253	exception_value = exception_keeper_value_1;
	276	exception_tb = exception_keeper_tb_1;		254	exception_tb = exception_keeper_tb_1;