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
	212	tmp_assign_source_1 = tmp_mvar_value_1;		212	tmp_assign_source_1 = tmp_mvar_value_1;
	213	assert( var_called == NULL );		213	assert( var_called == NULL );
	214	Py_INCREF( tmp_assign_source_1 );		214	Py_INCREF( tmp_assign_source_1 );
	215	var_called = tmp_assign_source_1;		215	var_called = tmp_assign_source_1;
	216	}		216	}
n	217	{	n
	218	PyObject *tmp_called_name_1;
	219	PyObject *tmp_call_result_1;
	220	CHECK_OBJECT( var_called );
	221	tmp_called_name_1 = var_called;
	222	frame_a45b9bcbbabf1b631d1ddd142ef40b5e->m_frame.f_lineno = 34;
	223	tmp_call_result_1 = CALL_FUNCTION_NO_ARGS( tmp_called_name_1 );
	224	if ( tmp_call_result_1 == NULL )
	225	{
	226	assert( ERROR_OCCURRED() );
	227
	228	FETCH_ERROR_OCCURRED( &exception_type, &exception_value, &exception_tb );
	229
	230
	231	exception_lineno = 34;
	232	type_description_1 = "o";
	233	goto frame_exception_exit_1;
	234	}
	235	Py_DECREF( tmp_call_result_1 );
	236	}
	237			217
	238	#if 0		218	#if 0
	239	RESTORE_FRAME_EXCEPTION( frame_a45b9bcbbabf1b631d1ddd142ef40b5e );		219	RESTORE_FRAME_EXCEPTION( frame_a45b9bcbbabf1b631d1ddd142ef40b5e );
	240	#endif		220	#endif
	241			221
	304	exception_keeper_lineno_1 = exception_lineno;		284	exception_keeper_lineno_1 = exception_lineno;
	305	exception_type = NULL;		285	exception_type = NULL;
	306	exception_value = NULL;		286	exception_value = NULL;
	307	exception_tb = NULL;		287	exception_tb = NULL;
	308	exception_lineno = 0;		288	exception_lineno = 0;
t	309		t
	310	Py_XDECREF( var_called );
	311	var_called = NULL;
	312			289
	313	// Re-raise.		290	// Re-raise.
	314	exception_type = exception_keeper_type_1;		291	exception_type = exception_keeper_type_1;
	315	exception_value = exception_keeper_value_1;		292	exception_value = exception_keeper_value_1;
	316	exception_tb = exception_keeper_tb_1;		293	exception_tb = exception_keeper_tb_1;