python.tachyon.native.diff.collapsed.md

Sampling profile diff

Collected 952 samples → 981 samples (+29 samples, +3.0%).

Category	Change	Delta	%	Samples
Ours	+2.8%	+18	68.2% → 68.0%	649 → 667
Garbage collector	+4.1%	+12	30.5% → 30.8%	290 → 302
Standard library	-7.7%	-1	1.4% → 1.2%	13 → 12

Hottest functions

Self samples

Regressions

Functions with the largest increase in samples taken directly in the function body, excluding callees.

Change	Delta	%	Samples	Function	Location
+4.1%	+12	30.5% → 30.8%	290 → 302	(garbage collector)	<unknown>
+157.1%	+11	0.7% → 1.8%	7 → 18	Parser.shift	parse.py
+160.0%	+8	0.5% → 1.3%	5 → 13	Parser.push	parse.py
+350.0%	+7	0.2% → 0.9%	2 → 9	_format_str_once	__init__.py
+200.0%	+6	0.3% → 0.9%	3 → 9	LineGenerator.visit_stmt	linegen.py
+23.1%	+6	2.7% → 3.3%	26 → 32	generate_tokens	tokenize.py
+12.8%	+5	4.1% → 4.5%	39 → 44	parse	ast.py
+3.3%	+3	9.6%	91 → 94	get_features_used	__init__.py
+300.0%	+3	0.1% → 0.4%	1 → 4	_stringify_ast_with_new_parent	parsing.py
+40.0%	+2	0.5% → 0.7%	5 → 7	BracketTracker.mark	brackets.py
+18.2%	+2	1.2% → 1.3%	11 → 13	Parser.addtoken	parse.py
new	+2	0.0% → 0.2%	0 → 2	Base.__new__	pytree.py
+33.3%	+2	0.6% → 0.8%	6 → 8	EmptyLineTracker.maybe_empty_lines	lines.py
+20.0%	+2	1.1% → 1.2%	10 → 12	Line.append	lines.py
+200.0%	+2	0.1% → 0.3%	1 → 3	Base.remove	pytree.py
new	+2	0.0% → 0.2%	0 → 2	Leaf.clone	pytree.py
+12.5%	+1	0.8% → 0.9%	8 → 9	LineGenerator.visit_default	linegen.py
+5.9%	+1	1.8%	17 → 18	Parser.pop	parse.py
new	+1	0.0% → 0.1%	0 → 1	__create_fn__.<locals>.__init__	<string>
+50.0%	+1	0.2% → 0.3%	2 → 3	_FuncBuilder.add_fns_to_class	dataclasses.py

Ours

Change	Delta	%	Samples	Function	Location
+157.1%	+11	0.7% → 1.8%	7 → 18	Parser.shift	parse.py
+160.0%	+8	0.5% → 1.3%	5 → 13	Parser.push	parse.py
+350.0%	+7	0.2% → 0.9%	2 → 9	_format_str_once	__init__.py
+200.0%	+6	0.3% → 0.9%	3 → 9	LineGenerator.visit_stmt	linegen.py
+23.1%	+6	2.7% → 3.3%	26 → 32	generate_tokens	tokenize.py
+12.8%	+5	4.1% → 4.5%	39 → 44	parse	ast.py
+3.3%	+3	9.6%	91 → 94	get_features_used	__init__.py
+300.0%	+3	0.1% → 0.4%	1 → 4	_stringify_ast_with_new_parent	parsing.py
+40.0%	+2	0.5% → 0.7%	5 → 7	BracketTracker.mark	brackets.py
+18.2%	+2	1.2% → 1.3%	11 → 13	Parser.addtoken	parse.py
new	+2	0.0% → 0.2%	0 → 2	Base.__new__	pytree.py
+33.3%	+2	0.6% → 0.8%	6 → 8	EmptyLineTracker.maybe_empty_lines	lines.py
+20.0%	+2	1.1% → 1.2%	10 → 12	Line.append	lines.py
+200.0%	+2	0.1% → 0.3%	1 → 3	Base.remove	pytree.py
new	+2	0.0% → 0.2%	0 → 2	Leaf.clone	pytree.py
+12.5%	+1	0.8% → 0.9%	8 → 9	LineGenerator.visit_default	linegen.py
+5.9%	+1	1.8%	17 → 18	Parser.pop	parse.py
new	+1	0.0% → 0.1%	0 → 1	__create_fn__.<locals>.__init__	<string>
+50.0%	+1	0.2% → 0.3%	2 → 3	_FuncBuilder.add_fns_to_class	dataclasses.py
+100.0%	+1	0.1% → 0.2%	1 → 2	LineGenerator.visit_STRING	linegen.py

Garbage collector

Change	Delta	%	Samples	Function	Location
+4.1%	+12	30.5% → 30.8%	290 → 302	(garbage collector)	<unknown>

Standard library

Change	Delta	%	Samples	Function	Location
new	+1	0.0% → 0.1%	0 → 1	_HierarchicalLockManager.__enter__	<frozen importlib._bootstrap>
new	+1	0.0% → 0.1%	0 → 1	_verbose_message	<frozen importlib._bootstrap>
new	+1	0.0% → 0.1%	0 → 1	PathFinder._get_spec	<frozen importlib._bootstrap_external>
new	+1	0.0% → 0.1%	0 → 1	_ModuleLock.acquire	<frozen importlib._bootstrap>

Improvements

Functions with the largest decrease in samples taken directly in the function body, excluding callees.

Change	Delta	%	Samples	Function	Location
-4.4%	-7	16.7% → 15.5%	159 → 152	Parser._addtoken	parse.py
-85.7%	-6	0.7% → 0.1%	7 → 1	hug_power_op	trans.py
-33.3%	-5	1.6% → 1.0%	15 → 10	normalize_invisible_parens	linegen.py
-50.0%	-5	1.1% → 0.5%	10 → 5	convert	pytree.py
-80.0%	-4	0.5% → 0.1%	5 → 1	whitespace	nodes.py
removed	-2	0.2% → 0.0%	2 → 0	LineGenerator.visit_suite	linegen.py
-20.0%	-2	1.1% → 0.8%	10 → 8	assert_equivalent	__init__.py
-50.0%	-2	0.4% → 0.2%	4 → 2	TokenProxy.__next__	driver.py
removed	-2	0.2% → 0.0%	2 → 0	Parser.classify	parse.py
removed	-2	0.2% → 0.0%	2 → 0	_hugging_power_ops_line_to_string	linegen.py
removed	-2	0.2% → 0.0%	2 → 0	FileLoader.get_data	<frozen importlib._bootstrap_external>
removed	-2	0.2% → 0.0%	2 → 0	Base.leaves	pytree.py
removed	-2	0.2% → 0.0%	2 → 0	_contains_fmt_skip_comment	comments.py
removed	-2	0.2% → 0.0%	2 → 0	Line.contains_implicit_multiline_string_with_comments	lines.py
removed	-1	0.1% → 0.0%	1 → 0	max_delimiter_priority_in_atom	brackets.py
-4.0%	-1	2.6% → 2.4%	25 → 24	Visitor.visit	nodes.py
removed	-1	0.1% → 0.0%	1 → 0	LineGenerator.visit_funcdef	linegen.py
-25.0%	-1	0.4% → 0.3%	4 → 3	LineGenerator.visit_simple_stmt	linegen.py
-20.0%	-1	0.5% → 0.4%	5 → 4	LineGenerator.visit_power	linegen.py
-25.0%	-1	0.4% → 0.3%	4 → 3	Line.__str__	lines.py

Ours

Change	Delta	%	Samples	Function	Location
-4.4%	-7	16.7% → 15.5%	159 → 152	Parser._addtoken	parse.py
-85.7%	-6	0.7% → 0.1%	7 → 1	hug_power_op	trans.py
-33.3%	-5	1.6% → 1.0%	15 → 10	normalize_invisible_parens	linegen.py
-50.0%	-5	1.1% → 0.5%	10 → 5	convert	pytree.py
-80.0%	-4	0.5% → 0.1%	5 → 1	whitespace	nodes.py
removed	-2	0.2% → 0.0%	2 → 0	LineGenerator.visit_suite	linegen.py
-20.0%	-2	1.1% → 0.8%	10 → 8	assert_equivalent	__init__.py
-50.0%	-2	0.4% → 0.2%	4 → 2	TokenProxy.__next__	driver.py
removed	-2	0.2% → 0.0%	2 → 0	Parser.classify	parse.py
removed	-2	0.2% → 0.0%	2 → 0	_hugging_power_ops_line_to_string	linegen.py
removed	-2	0.2% → 0.0%	2 → 0	Base.leaves	pytree.py
removed	-2	0.2% → 0.0%	2 → 0	_contains_fmt_skip_comment	comments.py
removed	-2	0.2% → 0.0%	2 → 0	Line.contains_implicit_multiline_string_with_comments	lines.py
removed	-1	0.1% → 0.0%	1 → 0	max_delimiter_priority_in_atom	brackets.py
-4.0%	-1	2.6% → 2.4%	25 → 24	Visitor.visit	nodes.py
removed	-1	0.1% → 0.0%	1 → 0	LineGenerator.visit_funcdef	linegen.py
-25.0%	-1	0.4% → 0.3%	4 → 3	LineGenerator.visit_simple_stmt	linegen.py
-20.0%	-1	0.5% → 0.4%	5 → 4	LineGenerator.visit_power	linegen.py
-25.0%	-1	0.4% → 0.3%	4 → 3	Line.__str__	lines.py
removed	-1	0.1% → 0.0%	1 → 0	<module>	configparser.py

Standard library

Change	Delta	%	Samples	Function	Location
removed	-2	0.2% → 0.0%	2 → 0	FileLoader.get_data	<frozen importlib._bootstrap_external>
-50.0%	-1	0.2% → 0.1%	2 → 1	_call_with_frames_removed	<frozen importlib._bootstrap>
-12.5%	-1	0.8% → 0.7%	8 → 7	_compile_bytecode	<frozen importlib._bootstrap_external>
removed	-1	0.1% → 0.0%	1 → 0	ABCMeta.__new__	<frozen abc>

Total samples

Regressions

Functions with the largest increase in total samples taken in the function and all its callees.

Change	Delta	%	Samples	Function	Location
+9.0%	+41	47.9% → 50.7%	456 → 497	check_stability_and_equivalence	__init__.py
+8.6%	+33	40.2% → 42.4%	383 → 416	assert_stable	__init__.py
+3.0%	+29	100.0%	952 → 981	(native)	<unknown>
+3.0%	+29	100.0%	952 → 981	_run_code	<frozen runpy>
+3.0%	+29	100.0%	952 → 981	run_module	<frozen runpy>
+3.0%	+29	100.0%	952 → 981	_run_module_as_main	<frozen runpy>
+2.9%	+27	97.8% → 97.7%	931 → 958	main	__init__.py
+2.9%	+27	97.8% → 97.7%	931 → 958	pass_context.<locals>.new_func	decorators.py
+2.9%	+27	97.8% → 97.7%	931 → 958	Context.invoke	core.py
+2.9%	+27	97.8% → 97.7%	931 → 958	Command.invoke	core.py
+2.9%	+27	97.8% → 97.7%	931 → 958	Command.main	core.py
+2.9%	+27	97.8% → 97.7%	931 → 958	Command.__call__	core.py
+2.9%	+27	97.8% → 97.7%	931 → 958	patched_main	__init__.py
+2.9%	+27	97.8% → 97.7%	931 → 958	<module>	__main__.py
+2.9%	+27	97.8% → 97.7%	931 → 958	_run_module_code	<frozen runpy>
+2.8%	+26	97.7% → 97.5%	930 → 956	format_file_contents	__init__.py
+2.8%	+26	97.7% → 97.5%	930 → 956	format_file_in_place	__init__.py
+2.8%	+26	97.8% → 97.6%	931 → 957	reformat_one	__init__.py
+4.0%	+20	52.8% → 53.3%	503 → 523	Driver.parse_tokens	driver.py
+4.0%	+20	52.8% → 53.3%	503 → 523	Driver.parse_string	driver.py

Ours

Change	Delta	%	Samples	Function	Location
+9.0%	+41	47.9% → 50.7%	456 → 497	check_stability_and_equivalence	__init__.py
+8.6%	+33	40.2% → 42.4%	383 → 416	assert_stable	__init__.py
+2.9%	+27	97.8% → 97.7%	931 → 958	main	__init__.py
+2.9%	+27	97.8% → 97.7%	931 → 958	pass_context.<locals>.new_func	decorators.py
+2.9%	+27	97.8% → 97.7%	931 → 958	Context.invoke	core.py
+2.9%	+27	97.8% → 97.7%	931 → 958	Command.invoke	core.py
+2.9%	+27	97.8% → 97.7%	931 → 958	Command.main	core.py
+2.9%	+27	97.8% → 97.7%	931 → 958	Command.__call__	core.py
+2.9%	+27	97.8% → 97.7%	931 → 958	patched_main	__init__.py
+2.9%	+27	97.8% → 97.7%	931 → 958	<module>	__main__.py
+2.8%	+26	97.7% → 97.5%	930 → 956	format_file_contents	__init__.py
+2.8%	+26	97.7% → 97.5%	930 → 956	format_file_in_place	__init__.py
+2.8%	+26	97.8% → 97.6%	931 → 957	reformat_one	__init__.py
+4.0%	+20	52.8% → 53.3%	503 → 523	Driver.parse_tokens	driver.py
+4.0%	+20	52.8% → 53.3%	503 → 523	Driver.parse_string	driver.py
+4.0%	+20	52.8% → 53.3%	503 → 523	lib2to3_parse	parsing.py
+2.1%	+18	89.4% → 88.6%	851 → 869	_format_str_once	__init__.py
+5.0%	+12	25.1% → 25.6%	239 → 251	Parser.addtoken	parse.py
+61.1%	+11	1.9% → 3.0%	18 → 29	Parser.shift	parse.py
+11.6%	+8	7.2% → 7.8%	69 → 77	assert_equivalent	__init__.py

Garbage collector

Change	Delta	%	Samples	Function	Location
+4.1%	+12	30.5% → 30.8%	290 → 302	(garbage collector)	<unknown>

Standard library

Change	Delta	%	Samples	Function	Location
+3.0%	+29	100.0%	952 → 981	_run_code	<frozen runpy>
+3.0%	+29	100.0%	952 → 981	run_module	<frozen runpy>
+3.0%	+29	100.0%	952 → 981	_run_module_as_main	<frozen runpy>
+2.9%	+27	97.8% → 97.7%	931 → 958	_run_module_code	<frozen runpy>
+9.5%	+2	2.2% → 2.3%	21 → 23	_LoaderBasics.exec_module	<frozen importlib._bootstrap_external>
+9.5%	+2	2.2% → 2.3%	21 → 23	_load_unlocked	<frozen importlib._bootstrap>
+9.5%	+2	2.2% → 2.3%	21 → 23	_find_and_load_unlocked	<frozen importlib._bootstrap>
+9.5%	+2	2.2% → 2.3%	21 → 23	_find_and_load	<frozen importlib._bootstrap>
+9.5%	+2	2.2% → 2.3%	21 → 23	_call_with_frames_removed	<frozen importlib._bootstrap>
+9.5%	+2	2.2% → 2.3%	21 → 23	_get_module_details	<frozen runpy>
new	+2	0.0% → 0.2%	0 → 2	_HierarchicalLockManager.__enter__	<frozen importlib._bootstrap>
new	+2	0.0% → 0.2%	0 → 2	PathFinder._get_spec	<frozen importlib._bootstrap_external>
new	+2	0.0% → 0.2%	0 → 2	PathFinder.find_spec	<frozen importlib._bootstrap_external>
new	+2	0.0% → 0.2%	0 → 2	_find_spec	<frozen importlib._bootstrap>
+16.7%	+1	0.6% → 0.7%	6 → 7	_handle_fromlist	<frozen importlib._bootstrap>
new	+1	0.0% → 0.1%	0 → 1	_verbose_message	<frozen importlib._bootstrap>
new	+1	0.0% → 0.1%	0 → 1	FileFinder.find_spec	<frozen importlib._bootstrap_external>
new	+1	0.0% → 0.1%	0 → 1	_ModuleLock.acquire	<frozen importlib._bootstrap>

Improvements

Functions with the largest decrease in total samples taken in the function and all its callees.

Change	Delta	%	Samples	Function	Location
-3.2%	-15	49.8% → 46.8%	474 → 459	format_str	__init__.py
-4.7%	-8	17.9% → 16.5%	170 → 162	LineGenerator.visit_stmt	linegen.py
-4.7%	-8	17.9% → 16.5%	170 → 162	Visitor.visit	nodes.py
-4.7%	-8	17.9% → 16.5%	170 → 162	Visitor.visit_default	nodes.py
-4.7%	-8	17.9% → 16.5%	170 → 162	LineGenerator.visit_default	linegen.py
-7.6%	-7	9.7% → 8.7%	92 → 85	LineGenerator.visit_simple_stmt	linegen.py
-17.5%	-7	4.2% → 3.4%	40 → 33	LineGenerator.visit_power	linegen.py
-3.7%	-6	17.2% → 16.1%	164 → 158	LineGenerator.visit_suite	linegen.py
-3.7%	-6	16.9% → 15.8%	161 → 155	LineGenerator.visit_funcdef	linegen.py
-50.0%	-4	0.8% → 0.4%	8 → 4	whitespace	nodes.py
-42.9%	-3	0.7% → 0.4%	7 → 4	Line.__str__	lines.py
-12.0%	-3	2.6% → 2.2%	25 → 22	Line.append	lines.py
-3.4%	-2	6.1% → 5.7%	58 → 56	normalize_invisible_parens	linegen.py
-13.3%	-2	1.6% → 1.3%	15 → 13	convert_one_fmt_off_pair	comments.py
-13.3%	-2	1.6% → 1.3%	15 → 13	normalize_fmt_off	comments.py
removed	-2	0.2% → 0.0%	2 → 0	Parser.classify	parse.py
-14.3%	-2	1.5% → 1.2%	14 → 12	EmptyLineTracker.maybe_empty_lines	lines.py
removed	-2	0.2% → 0.0%	2 → 0	FileLoader.get_data	<frozen importlib._bootstrap_external>
-20.0%	-2	1.1% → 0.8%	10 → 8	SourceLoader.get_code	<frozen importlib._bootstrap_external>
-50.0%	-2	0.4% → 0.2%	4 → 2	compile	_compiler.py

Ours

Change	Delta	%	Samples	Function	Location
-3.2%	-15	49.8% → 46.8%	474 → 459	format_str	__init__.py
-4.7%	-8	17.9% → 16.5%	170 → 162	LineGenerator.visit_stmt	linegen.py
-4.7%	-8	17.9% → 16.5%	170 → 162	Visitor.visit	nodes.py
-4.7%	-8	17.9% → 16.5%	170 → 162	Visitor.visit_default	nodes.py
-4.7%	-8	17.9% → 16.5%	170 → 162	LineGenerator.visit_default	linegen.py
-7.6%	-7	9.7% → 8.7%	92 → 85	LineGenerator.visit_simple_stmt	linegen.py
-17.5%	-7	4.2% → 3.4%	40 → 33	LineGenerator.visit_power	linegen.py
-3.7%	-6	17.2% → 16.1%	164 → 158	LineGenerator.visit_suite	linegen.py
-3.7%	-6	16.9% → 15.8%	161 → 155	LineGenerator.visit_funcdef	linegen.py
-50.0%	-4	0.8% → 0.4%	8 → 4	whitespace	nodes.py
-42.9%	-3	0.7% → 0.4%	7 → 4	Line.__str__	lines.py
-12.0%	-3	2.6% → 2.2%	25 → 22	Line.append	lines.py
-3.4%	-2	6.1% → 5.7%	58 → 56	normalize_invisible_parens	linegen.py
-13.3%	-2	1.6% → 1.3%	15 → 13	convert_one_fmt_off_pair	comments.py
-13.3%	-2	1.6% → 1.3%	15 → 13	normalize_fmt_off	comments.py
removed	-2	0.2% → 0.0%	2 → 0	Parser.classify	parse.py
-14.3%	-2	1.5% → 1.2%	14 → 12	EmptyLineTracker.maybe_empty_lines	lines.py
-50.0%	-2	0.4% → 0.2%	4 → 2	compile	_compiler.py
-50.0%	-2	0.4% → 0.2%	4 → 2	_compile	__init__.py
-50.0%	-2	0.4% → 0.2%	4 → 2	compile	__init__.py

Standard library

Change	Delta	%	Samples	Function	Location
removed	-2	0.2% → 0.0%	2 → 0	FileLoader.get_data	<frozen importlib._bootstrap_external>
-20.0%	-2	1.1% → 0.8%	10 → 8	SourceLoader.get_code	<frozen importlib._bootstrap_external>
removed	-1	0.1% → 0.0%	1 → 0	ExtensionFileLoader.create_module	<frozen importlib._bootstrap_external>
removed	-1	0.1% → 0.0%	1 → 0	module_from_spec	<frozen importlib._bootstrap>
removed	-1	0.1% → 0.0%	1 → 0	ABCMeta.__new__	<frozen abc>