Construct OperationAttributeLookup

Performance Diagrams

Source Code with Construct

module_value1 = list()
module_value2 = 3000

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

    local_value = module_value1

    s = module_value1
    s.append
# construct_begin
    s.append
# construct_end
    s.append

    return s, local_value

import itertools
for x in itertools.repeat(None, 25000):
    calledRepeatedly()

print("OK.")

Source Code without Construct

module_value1 = list()
module_value2 = 3000

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

    local_value = module_value1

    s = module_value1
    s.append
# construct_begin


    s.append

    return s, local_value

import itertools
for x in itertools.repeat(None, 25000):
    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	s.append		31	s.append
	32	# construct_begin		32	# construct_begin
t	33	s.append	t	33
	34	# construct_end		34
	35	s.append		35	s.append
	36			36
	37	return s, local_value		37	return s, local_value
	38			38
	39	import itertools		39	import itertools

Context Diff of Generated Code

	Construct			Baseline
	270	assert( ERROR_OCCURRED() );		270	assert( ERROR_OCCURRED() );
	271			271
	272	FETCH_ERROR_OCCURRED( &exception_type, &exception_value, &exception_tb );		272	FETCH_ERROR_OCCURRED( &exception_type, &exception_value, &exception_tb );
	273			273
	274			274
n	275	exception_lineno = 33;	n
	276	type_description_1 = "oo";
	277	goto frame_exception_exit_1;
	278	}
	279	Py_DECREF( tmp_attribute_value_2 );
	280	}
	281	{
	282	PyObject *tmp_source_name_3;
	283	PyObject *tmp_attribute_value_3;
	284	CHECK_OBJECT( var_s );
	285	tmp_source_name_3 = var_s;
	286	tmp_attribute_value_3 = LOOKUP_ATTRIBUTE( tmp_source_name_3, const_str_plain_append );
	287	if ( tmp_attribute_value_3 == NULL )
	288	{
	289	assert( ERROR_OCCURRED() );
	290
	291	FETCH_ERROR_OCCURRED( &exception_type, &exception_value, &exception_tb );
	292
	293
	294	exception_lineno = 35;		275	exception_lineno = 35;
	295	type_description_1 = "oo";		276	type_description_1 = "oo";
	296	goto frame_exception_exit_1;		277	goto frame_exception_exit_1;
	297	}		278	}
t	298	Py_DECREF( tmp_attribute_value_3 );	t	279	Py_DECREF( tmp_attribute_value_2 );
	299	}		280	}
	300			281
	301	#if 0		282	#if 0
	302	RESTORE_FRAME_EXCEPTION( frame_1fc88d9cbdb674588adc5fd770108146 );		283	RESTORE_FRAME_EXCEPTION( frame_1fc88d9cbdb674588adc5fd770108146 );
	303	#endif		284	#endif