fork: faster-cpython
ref: no_conditional_stack
machine: linux-x86_64
commit hash: d5e47ea
commit date: 2025-01-20
overall geometric mean: 1.105x slower
HPT reliability: 100.00%
HPT 99th percentile: 1.07x slower
Memory change: 1.22x
Benchmarks with tag 'apps':
Benchmark
bm-20241007-linux-x86_64-python-v3.13.0-3.13.0-60403a5
bm-20250120-linux-x86_64-faster%2dcpython-no_conditional_stack-3.14.0a4+-d5e47ea
2to3
266 ms
313 ms: 1.18x slower
docutils
2.58 sec
2.87 sec: 1.11x slower
html5lib
63.4 ms
71.2 ms: 1.12x slower
sphinx
1.03 sec
1.15 sec: 1.12x slower
Geometric mean
(ref)
1.13x slower
Benchmarks with tag 'asyncio':
Benchmark
bm-20241007-linux-x86_64-python-v3.13.0-3.13.0-60403a5
bm-20250120-linux-x86_64-faster%2dcpython-no_conditional_stack-3.14.0a4+-d5e47ea
async_tree_io_tg
861 ms
551 ms: 1.56x faster
async_tree_memoization_tg
463 ms
321 ms: 1.44x faster
async_tree_io
838 ms
606 ms: 1.38x faster
async_tree_none_tg
319 ms
241 ms: 1.33x faster
async_tree_none
350 ms
292 ms: 1.20x faster
async_tree_memoization
437 ms
372 ms: 1.18x faster
async_tree_cpu_io_mixed_tg
543 ms
469 ms: 1.16x faster
async_tree_cpu_io_mixed
573 ms
523 ms: 1.10x faster
async_generators
433 ms
437 ms: 1.01x slower
coroutines
22.2 ms
25.5 ms: 1.15x slower
Geometric mean
(ref)
1.18x faster
Benchmark hidden because not significant (1): asyncio_websockets
Benchmarks with tag 'math':
Benchmark
bm-20241007-linux-x86_64-python-v3.13.0-3.13.0-60403a5
bm-20250120-linux-x86_64-faster%2dcpython-no_conditional_stack-3.14.0a4+-d5e47ea
float
78.7 ms
78.9 ms: 1.00x slower
pidigits
186 ms
190 ms: 1.02x slower
nbody
87.7 ms
139 ms: 1.58x slower
Geometric mean
(ref)
1.17x slower
Benchmarks with tag 'regex':
Benchmark
bm-20241007-linux-x86_64-python-v3.13.0-3.13.0-60403a5
bm-20250120-linux-x86_64-faster%2dcpython-no_conditional_stack-3.14.0a4+-d5e47ea
regex_effbot
3.77 ms
3.36 ms: 1.12x faster
regex_v8
26.9 ms
25.0 ms: 1.08x faster
regex_dna
220 ms
223 ms: 1.02x slower
regex_compile
132 ms
153 ms: 1.16x slower
Geometric mean
(ref)
1.01x faster
Benchmarks with tag 'serialize':
Benchmark
bm-20241007-linux-x86_64-python-v3.13.0-3.13.0-60403a5
bm-20250120-linux-x86_64-faster%2dcpython-no_conditional_stack-3.14.0a4+-d5e47ea
xml_etree_iterparse
101 ms
96.4 ms: 1.05x faster
xml_etree_parse
154 ms
150 ms: 1.03x faster
xml_etree_generate
86.8 ms
96.8 ms: 1.12x slower
tomli_loads
2.12 sec
2.45 sec: 1.16x slower
json_loads
27.2 us
31.7 us: 1.17x slower
xml_etree_process
60.5 ms
72.1 ms: 1.19x slower
json_dumps
10.1 ms
12.8 ms: 1.26x slower
pickle_pure_python
302 us
382 us: 1.26x slower
unpickle_pure_python
213 us
273 us: 1.28x slower
Geometric mean
(ref)
1.15x slower
Benchmarks with tag 'startup':
Benchmark
bm-20241007-linux-x86_64-python-v3.13.0-3.13.0-60403a5
bm-20250120-linux-x86_64-faster%2dcpython-no_conditional_stack-3.14.0a4+-d5e47ea
python_startup
12.7 ms
15.1 ms: 1.19x slower
python_startup_no_site
7.00 ms
9.37 ms: 1.34x slower
Geometric mean
(ref)
1.26x slower
Benchmarks with tag 'template':
Benchmark
bm-20241007-linux-x86_64-python-v3.13.0-3.13.0-60403a5
bm-20250120-linux-x86_64-faster%2dcpython-no_conditional_stack-3.14.0a4+-d5e47ea
genshi_xml
50.5 ms
62.8 ms: 1.24x slower
genshi_text
22.6 ms
29.3 ms: 1.30x slower
django_template
31.7 ms
41.7 ms: 1.32x slower
mako
10.7 ms
16.5 ms: 1.54x slower
Geometric mean
(ref)
1.35x slower
Benchmark
bm-20241007-linux-x86_64-python-v3.13.0-3.13.0-60403a5
bm-20250120-linux-x86_64-faster%2dcpython-no_conditional_stack-3.14.0a4+-d5e47ea
async_tree_io_tg
861 ms
551 ms: 1.56x faster
async_tree_memoization_tg
463 ms
321 ms: 1.44x faster
create_gc_cycles
2.45 ms
1.71 ms: 1.43x faster
async_tree_io
838 ms
606 ms: 1.38x faster
async_tree_none_tg
319 ms
241 ms: 1.33x faster
async_tree_none
350 ms
292 ms: 1.20x faster
async_tree_memoization
437 ms
372 ms: 1.18x faster
async_tree_cpu_io_mixed_tg
543 ms
469 ms: 1.16x faster
regex_effbot
3.77 ms
3.36 ms: 1.12x faster
deepcopy
354 us
319 us: 1.11x faster
gc_traversal
4.90 ms
4.44 ms: 1.10x faster
async_tree_cpu_io_mixed
573 ms
523 ms: 1.10x faster
regex_v8
26.9 ms
25.0 ms: 1.08x faster
pathlib
17.4 ms
16.4 ms: 1.06x faster
sqlite_synth
2.90 us
2.75 us: 1.05x faster
xml_etree_iterparse
101 ms
96.4 ms: 1.05x faster
xml_etree_parse
154 ms
150 ms: 1.03x faster
float
78.7 ms
78.9 ms: 1.00x slower
deepcopy_reduce
3.24 us
3.26 us: 1.01x slower
async_generators
433 ms
437 ms: 1.01x slower
pycparser
1.20 sec
1.21 sec: 1.01x slower
regex_dna
220 ms
223 ms: 1.02x slower
pidigits
186 ms
190 ms: 1.02x slower
go
141 ms
145 ms: 1.03x slower
k_core
2.37 sec
2.44 sec: 1.03x slower
deepcopy_memo
38.4 us
39.7 us: 1.03x slower
json
5.32 ms
5.58 ms: 1.05x slower
spectral_norm
113 ms
119 ms: 1.05x slower
bpe_tokeniser
4.69 sec
5.04 sec: 1.07x slower
mdp
2.54 sec
2.73 sec: 1.07x slower
telco
8.40 ms
9.21 ms: 1.10x slower
generators
28.8 ms
31.6 ms: 1.10x slower
dulwich_log
64.6 ms
71.3 ms: 1.10x slower
docutils
2.58 sec
2.87 sec: 1.11x slower
pyflate
470 ms
521 ms: 1.11x slower
xml_etree_generate
86.8 ms
96.8 ms: 1.12x slower
sphinx
1.03 sec
1.15 sec: 1.12x slower
html5lib
63.4 ms
71.2 ms: 1.12x slower
sqlglot_normalize
108 ms
122 ms: 1.13x slower
coroutines
22.2 ms
25.5 ms: 1.15x slower
richards
47.5 ms
54.9 ms: 1.15x slower
tomli_loads
2.12 sec
2.45 sec: 1.16x slower
regex_compile
132 ms
153 ms: 1.16x slower
scimark_fft
367 ms
425 ms: 1.16x slower
scimark_sor
122 ms
141 ms: 1.16x slower
sqlglot_optimize
53.4 ms
62.0 ms: 1.16x slower
json_loads
27.2 us
31.7 us: 1.17x slower
shortest_path
487 ms
573 ms: 1.18x slower
2to3
266 ms
313 ms: 1.18x slower
sympy_str
273 ms
323 ms: 1.18x slower
sympy_expand
456 ms
541 ms: 1.19x slower
connected_components
447 ms
530 ms: 1.19x slower
python_startup
12.7 ms
15.1 ms: 1.19x slower
richards_super
53.7 ms
64.0 ms: 1.19x slower
logging_silent
101 ns
120 ns: 1.19x slower
pprint_safe_repr
727 ms
866 ms: 1.19x slower
xml_etree_process
60.5 ms
72.1 ms: 1.19x slower
sympy_sum
150 ms
180 ms: 1.19x slower
thrift
800 us
963 us: 1.20x slower
pprint_pformat
1.48 sec
1.79 sec: 1.21x slower
crypto_pyaes
74.7 ms
90.7 ms: 1.21x slower
sympy_integrate
19.8 ms
24.1 ms: 1.22x slower
meteor_contest
108 ms
132 ms: 1.22x slower
scimark_sparse_mat_mult
5.03 ms
6.13 ms: 1.22x slower
nqueens
80.9 ms
99.1 ms: 1.22x slower
scimark_lu
114 ms
141 ms: 1.23x slower
sqlalchemy_declarative
133 ms
164 ms: 1.23x slower
sqlglot_transpile
1.57 ms
1.94 ms: 1.24x slower
logging_simple
5.65 us
7.01 us: 1.24x slower
genshi_xml
50.5 ms
62.8 ms: 1.24x slower
json_dumps
10.1 ms
12.8 ms: 1.26x slower
pickle_pure_python
302 us
382 us: 1.26x slower
sqlglot_parse
1.26 ms
1.60 ms: 1.27x slower
sqlalchemy_imperative
16.9 ms
21.5 ms: 1.27x slower
unpickle_pure_python
213 us
273 us: 1.28x slower
chaos
58.0 ms
74.3 ms: 1.28x slower
logging_format
6.23 us
8.02 us: 1.29x slower
comprehensions
16.5 us
21.2 us: 1.29x slower
hexiom
6.08 ms
7.83 ms: 1.29x slower
many_optionals
857 us
1.11 ms: 1.29x slower
coverage
82.8 ms
107 ms: 1.29x slower
genshi_text
22.6 ms
29.3 ms: 1.30x slower
django_template
31.7 ms
41.7 ms: 1.32x slower
scimark_monte_carlo
66.8 ms
88.1 ms: 1.32x slower
fannkuch
394 ms
521 ms: 1.32x slower
python_startup_no_site
7.00 ms
9.37 ms: 1.34x slower
typing_runtime_protocols
160 us
216 us: 1.35x slower
raytrace
262 ms
360 ms: 1.38x slower
deltablue
3.19 ms
4.77 ms: 1.49x slower
mako
10.7 ms
16.5 ms: 1.54x slower
nbody
87.7 ms
139 ms: 1.58x slower
subparsers
15.5 ms
25.0 ms: 1.62x slower
bench_mp_pool
24.0 ms
89.8 ms: 3.75x slower
bench_thread_pool
818 us
3.49 ms: 4.27x slower
Geometric mean
(ref)
1.15x slower
Benchmark hidden because not significant (2): asyncio_websockets, pylint
Ignored benchmarks (5) of results/bm-20241007-3.13.0-60403a5/bm-20241007-linux-x86_64-python-v3.13.0-3.13.0-60403a5.json: chameleon, djangocms, gevent_hub, gunicorn, tornado_http
Geometric mean (including insignificant results): 1.105x slower
Reliability score: 100.00% likely to be slow
90% likely to have a slowdown of 1.10x
95% likely to have a slowdown of 1.09x
99% likely to have a slowdown of 1.07x