Construct OperationIntegerPower

Performance Diagrams

Source Code with Construct

module_value1 = -1
module_value2 = 17

def calledRepeatedly():
    # Force frame and eliminate forward propagation (currently).
    module_value1

    local_value = module_value1

    s = module_value1
    t = module_value2
# construct_begin
    t = s ** t
# construct_end

    return s, t, local_value

import itertools
for x in itertools.repeat(None, 50000):
    calledRepeatedly()

print("OK.")

Source Code without Construct

module_value1 = -1
module_value2 = 17

def calledRepeatedly():
    # Force frame and eliminate forward propagation (currently).
    module_value1

    local_value = module_value1

    s = module_value1
    t = module_value2
# construct_begin



    return s, t, local_value

import itertools
for x in itertools.repeat(None, 50000):
    calledRepeatedly()

print("OK.")

Context Diff of Source Code

	Construct			Baseline
	28	local_value = module_value1		28	local_value = module_value1
	29			29
	30	s = module_value1		30	s = module_value1
	31	t = module_value2		31	t = module_value2
	32	# construct_begin		32	# construct_begin
t	33	t = s ** t	t	33
	34	# construct_end		34
	35			35
	36	return s, t, local_value		36	return s, t, local_value
	37			37
	38	import itertools		38	import itertools
	39	for x in itertools.repeat(None, 50000):		39	for x in itertools.repeat(None, 50000):

Context Diff of Generated Code

	Construct			Baseline
	272	tmp_assign_source_3 = tmp_mvar_value_4;		272	tmp_assign_source_3 = tmp_mvar_value_4;
	273	assert( var_t == NULL );		273	assert( var_t == NULL );
	274	Py_INCREF( tmp_assign_source_3 );		274	Py_INCREF( tmp_assign_source_3 );
	275	var_t = tmp_assign_source_3;		275	var_t = tmp_assign_source_3;
	276	}		276	}
n	277	{	n
	278	PyObject *tmp_assign_source_4;
	279	PyObject *tmp_left_name_1;
	280	PyObject *tmp_right_name_1;
	281	CHECK_OBJECT( var_s );
	282	tmp_left_name_1 = var_s;
	283	CHECK_OBJECT( var_t );
	284	tmp_right_name_1 = var_t;
	285	tmp_assign_source_4 = POWER_OPERATION( tmp_left_name_1, tmp_right_name_1 );
	286	if ( tmp_assign_source_4 == NULL )
	287	{
	288	assert( ERROR_OCCURRED() );
	289
	290	FETCH_ERROR_OCCURRED( &exception_type, &exception_value, &exception_tb );
	291
	292
	293	exception_lineno = 33;
	294	type_description_1 = "ooo";
	295	goto frame_exception_exit_1;
	296	}
	297	{
	298	PyObject *old = var_t;
	299	assert( old != NULL );
	300	var_t = tmp_assign_source_4;
	301	Py_DECREF( old );
	302	}
	303
	304	}
	305			277
	306	#if 0		278	#if 0
	307	RESTORE_FRAME_EXCEPTION( frame_2df93c0fc26f5e510b17c116f13db6f5 );		279	RESTORE_FRAME_EXCEPTION( frame_2df93c0fc26f5e510b17c116f13db6f5 );
	308	#endif		280	#endif
	309			281
	399	exception_tb = NULL;		371	exception_tb = NULL;
	400	exception_lineno = 0;		372	exception_lineno = 0;
	401			373
	402	Py_XDECREF( var_s );		374	Py_XDECREF( var_s );
	403	var_s = NULL;		375	var_s = NULL;
t	404		t
	405	Py_XDECREF( var_t );
	406	var_t = NULL;
	407			376
	408	Py_XDECREF( var_local_value );		377	Py_XDECREF( var_local_value );
	409	var_local_value = NULL;		378	var_local_value = NULL;
	410			379
	411	// Re-raise.		380	// Re-raise.