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
	273	tmp_assign_source_3 = tmp_mvar_value_4;		273	tmp_assign_source_3 = tmp_mvar_value_4;
	274	assert( var_t == NULL );		274	assert( var_t == NULL );
	275	Py_INCREF( tmp_assign_source_3 );		275	Py_INCREF( tmp_assign_source_3 );
	276	var_t = tmp_assign_source_3;		276	var_t = tmp_assign_source_3;
	277	}		277	}
n	278	{	n
	279	PyObject *tmp_assign_source_4;
	280	PyObject *tmp_left_name_1;
	281	PyObject *tmp_right_name_1;
	282	CHECK_OBJECT( var_s );
	283	tmp_left_name_1 = var_s;
	284	CHECK_OBJECT( var_t );
	285	tmp_right_name_1 = var_t;
	286	tmp_assign_source_4 = POWER_OPERATION( tmp_left_name_1, tmp_right_name_1 );
	287	if ( tmp_assign_source_4 == NULL )
	288	{
	289	assert( ERROR_OCCURRED() );
	290
	291	FETCH_ERROR_OCCURRED( &exception_type, &exception_value, &exception_tb );
	292
	293
	294	exception_lineno = 33;
	295	type_description_1 = "ooo";
	296	goto frame_exception_exit_1;
	297	}
	298	{
	299	PyObject *old = var_t;
	300	assert( old != NULL );
	301	var_t = tmp_assign_source_4;
	302	Py_DECREF( old );
	303	}
	304
	305	}
	306			278
	307	#if 0		279	#if 0
	308	RESTORE_FRAME_EXCEPTION( frame_00621271ad5feaf66c2c29f4e7f81d52 );		280	RESTORE_FRAME_EXCEPTION( frame_00621271ad5feaf66c2c29f4e7f81d52 );
	309	#endif		281	#endif
	310			282
	400	exception_tb = NULL;		372	exception_tb = NULL;
	401	exception_lineno = 0;		373	exception_lineno = 0;
	402			374
	403	Py_XDECREF( var_s );		375	Py_XDECREF( var_s );
	404	var_s = NULL;		376	var_s = NULL;
t	405		t
	406	Py_XDECREF( var_t );
	407	var_t = NULL;
	408			377
	409	Py_XDECREF( var_local_value );		378	Py_XDECREF( var_local_value );
	410	var_local_value = NULL;		379	var_local_value = NULL;
	411			380
	412	// Re-raise.		381	// Re-raise.