Construct BuiltinSumWithGenerator

Kay Hayen

2024-04-18 11:21

Performance Diagrams

Source Code with Construct    return y


for x in itertools.repeat(None, 500):
    calledRepeatedly((x for x in range(1000)), empty)

print("OK.")

#     Python test originally created or extracted from other peoples work. The
#     parts from me are licensed as below. It is at least Free Software where
#     it's copied from other people. In these cases, that will normally be
#     indicated.
#
#     Licensed under the Apache License, Version 2.0 (the "License");
#     you may not use this file except in compliance with the License.
#     You may obtain a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#     Unless required by applicable law or agreed to in writing, software
#     distributed under the License is distributed on an "AS IS" BASIS,
#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#     See the License for the specific language governing permissions and
#     limitations under the License.

Source Code without Construct    return y


for x in itertools.repeat(None, 500):
    calledRepeatedly((x for x in range(1000)), empty)

print("OK.")

#     Python test originally created or extracted from other peoples work. The
#     parts from me are licensed as below. It is at least Free Software where
#     it's copied from other people. In these cases, that will normally be
#     indicated.
#
#     Licensed under the Apache License, Version 2.0 (the "License");
#     you may not use this file except in compliance with the License.
#     You may obtain a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#     Unless required by applicable law or agreed to in writing, software
#     distributed under the License is distributed on an "AS IS" BASIS,
#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#     See the License for the specific language governing permissions and
#     limitations under the License.

Context Diff of Source Code

	Construct			Baseline
	11	itertools		11	itertools
	12			12
	13	# We measure making a generator iterator step or not.		13	# We measure making a generator iterator step or not.
	14			14
	15	# construct_begin		15	# construct_begin
n	16	y = sum(iterable)	n	16
	17	# construct_alternative		17	# construct_alternative
t	18		t	18	y = sum(empty)
	19			19	# construct_end
	20			20
	21	return y		21	return y
	22			22
	23			23
	24	for x in itertools.repeat(None, 500):		24	for x in itertools.repeat(None, 500):

Context Diff of Generated Code

	Construct			Baseline
	173	}		173	}
	174	}		174	}
	175	{		175	{
	176	PyObject *tmp_assign_source_1;		176	PyObject *tmp_assign_source_1;
	177	PyObject *tmp_sum_sequence_1;		177	PyObject *tmp_sum_sequence_1;
n	178	CHECK_OBJECT(par_iterable);	n	178	CHECK_OBJECT(par_empty);
	179	tmp_sum_sequence_1 = par_iterable;		179	tmp_sum_sequence_1 = par_empty;
	180	tmp_assign_source_1 = BUILTIN_SUM1(tstate, tmp_sum_sequence_1);		180	tmp_assign_source_1 = BUILTIN_SUM1(tstate, tmp_sum_sequence_1);
	181	if (tmp_assign_source_1 == NULL) {		181	if (tmp_assign_source_1 == NULL) {
	182	assert(HAS_ERROR_OCCURRED(tstate));		182	assert(HAS_ERROR_OCCURRED(tstate));
	183			183
	184	FETCH_ERROR_OCCURRED(tstate, &exception_type, &exception_value, &exception_tb);		184	FETCH_ERROR_OCCURRED(tstate, &exception_type, &exception_value, &exception_tb);
	185			185
	186			186
t	187	exception_lineno = 16;	t	187	exception_lineno = 18;
	188	type_description_1 = "ooo";		188	type_description_1 = "ooo";
	189	goto frame_exception_exit_1;		189	goto frame_exception_exit_1;
	190	}		190	}
	191	assert(var_y == NULL);		191	assert(var_y == NULL);
	192	var_y = tmp_assign_source_1;		192	var_y = tmp_assign_source_1;