Construct BuiltinSumWithList

Performance Diagrams

Source Code with Construct

empty = ()

value = list(range(10))

def calledRepeatedly():
    # We measure making a generator iterator step or not.
    x = value

    # This should abort.
# construct_begin
    y = sum(x)
# construct_alternative



    return x, y

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

print("OK.")

Source Code without Construct

empty = ()

value = list(range(10))

def calledRepeatedly():
    # We measure making a generator iterator step or not.
    x = value

    # This should abort.
# construct_begin

# construct_alternative
    y = sum(empty)
# construct_end

    return x, y

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

print("OK.")

Context Diff of Source Code

	Construct			Baseline
	26	# We measure making a generator iterator step or not.		26	# We measure making a generator iterator step or not.
	27	x = value		27	x = value
	28			28
	29	# This should abort.		29	# This should abort.
	30	# construct_begin		30	# construct_begin
n	31	y = sum(x)	n	31
	32	# construct_alternative		32	# construct_alternative
t	33		t	33	y = sum(empty)
	34			34	# construct_end
	35			35
	36	return x, y		36	return x, y
	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
	213	var_x = tmp_assign_source_1;		213	var_x = tmp_assign_source_1;
	214	}		214	}
	215	{		215	{
	216	PyObject *tmp_assign_source_2;		216	PyObject *tmp_assign_source_2;
	217	PyObject *tmp_sum_sequence_1;		217	PyObject *tmp_sum_sequence_1;
n	218	CHECK_OBJECT( var_x );	n	218	PyObject *tmp_mvar_value_2;
				219	tmp_mvar_value_2 = GET_STRING_DICT_VALUE( moduledict___main__, (Nuitka_StringObject *)const_str_plain_empty );
				220
				221	if (unlikely( tmp_mvar_value_2 == NULL ))
				222	{
				223	tmp_mvar_value_2 = GET_STRING_DICT_VALUE( dict_builtin, (Nuitka_StringObject *)const_str_plain_empty );
				224	}
				225
				226	if ( tmp_mvar_value_2 == NULL )
				227	{
				228
				229	exception_type = PyExc_NameError;
				230	Py_INCREF( exception_type );
				231	exception_value = PyUnicode_FromFormat( "name '%s' is not defined", "empty" );
				232	exception_tb = NULL;
				233	NORMALIZE_EXCEPTION( &exception_type, &exception_value, &exception_tb );
				234	CHAIN_EXCEPTION( exception_value );
				235
				236	exception_lineno = 33;
				237	type_description_1 = "oo";
				238	goto frame_exception_exit_1;
				239	}
				240
	219	tmp_sum_sequence_1 = var_x;		241	tmp_sum_sequence_1 = tmp_mvar_value_2;
	220	tmp_assign_source_2 = BUILTIN_SUM1( tmp_sum_sequence_1 );		242	tmp_assign_source_2 = BUILTIN_SUM1( tmp_sum_sequence_1 );
	221	if ( tmp_assign_source_2 == NULL )		243	if ( tmp_assign_source_2 == NULL )
	222	{		244	{
	223	assert( ERROR_OCCURRED() );		245	assert( ERROR_OCCURRED() );
	224			246
	225	FETCH_ERROR_OCCURRED( &exception_type, &exception_value, &exception_tb );		247	FETCH_ERROR_OCCURRED( &exception_type, &exception_value, &exception_tb );
	226			248
	227			249
t	228	exception_lineno = 31;	t	250	exception_lineno = 33;
	229	type_description_1 = "oo";		251	type_description_1 = "oo";
	230	goto frame_exception_exit_1;		252	goto frame_exception_exit_1;
	231	}		253	}
	232	assert( var_y == NULL );		254	assert( var_y == NULL );
	233	var_y = tmp_assign_source_2;		255	var_y = tmp_assign_source_2;