Construct OperationAttributeLookup

Kay Hayen

2024-04-19 11:22

Performance Diagrams

Source Code with Construct    # construct_end
    s.append

    return s, local_value


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

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    s.append

    return s, local_value


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

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
	14	local_value = module_value1		14	local_value = module_value1
	15			15
	16	s = module_value1		16	s = module_value1
	17	s.append		17	s.append
	18	# construct_begin		18	# construct_begin
t	19	s.append	t	19
	20	# construct_end		20
	21	s.append		21	s.append
	22			22
	23	return s, local_value		23	return s, local_value
	24			24
	25			25

Context Diff of Generated Code

	Construct			Baseline
	238	assert(HAS_ERROR_OCCURRED(tstate));		238	assert(HAS_ERROR_OCCURRED(tstate));
	239			239
	240	FETCH_ERROR_OCCURRED(tstate, &exception_type, &exception_value, &exception_tb);		240	FETCH_ERROR_OCCURRED(tstate, &exception_type, &exception_value, &exception_tb);
	241			241
	242			242
n	243	exception_lineno = 19;	n
	244	type_description_1 = "oo";
	245	goto frame_exception_exit_1;
	246	}
	247	Py_DECREF(tmp_attribute_value_2);
	248	}
	249	{
	250	PyObject *tmp_expression_value_3;
	251	PyObject *tmp_attribute_value_3;
	252	CHECK_OBJECT(var_s);
	253	tmp_expression_value_3 = var_s;
	254	tmp_attribute_value_3 = LOOKUP_ATTRIBUTE(tstate, tmp_expression_value_3, mod_consts[1]);
	255	if (tmp_attribute_value_3 == NULL) {
	256	assert(HAS_ERROR_OCCURRED(tstate));
	257
	258	FETCH_ERROR_OCCURRED(tstate, &exception_type, &exception_value, &exception_tb);
	259
	260
	261	exception_lineno = 21;		243	exception_lineno = 21;
	262	type_description_1 = "oo";		244	type_description_1 = "oo";
	263	goto frame_exception_exit_1;		245	goto frame_exception_exit_1;
	264	}		246	}
t	265	Py_DECREF(tmp_attribute_value_3);	t	247	Py_DECREF(tmp_attribute_value_2);
	266	}		248	}
	267			249
	268			250
	269	// Put the previous frame back on top.		251	// Put the previous frame back on top.
	270	popFrameStack(tstate);		252	popFrameStack(tstate);