fork: faster-cpython
ref: virtual_iterators
machine: windows-amd64
commit hash: a4b740d
commit date: 2025-04-16
overall geometric mean: 1.284x faster
HPT reliability: 100.00%
HPT 99th percentile: 1.17x faster
Memory change: unknown
Benchmarks with tag 'apps':
Benchmark
bm-20220323-pythonperf1-amd64-python-v3.10.4-3.10.4-9d38120
bm-20250416-pythonperf1-amd64-faster%2dcpython-virtual_iterators-3.14.0a7+-a4b740d
2to3
246 ms
217 ms: 1.13x faster
docutils
1.92 sec
1.64 sec: 1.17x faster
html5lib
51.0 ms
39.4 ms: 1.30x faster
Geometric mean
(ref)
1.20x faster
Benchmarks with tag 'asyncio':
Benchmark
bm-20220323-pythonperf1-amd64-python-v3.10.4-3.10.4-9d38120
bm-20250416-pythonperf1-amd64-faster%2dcpython-virtual_iterators-3.14.0a7+-a4b740d
async_tree_io
1.11 sec
413 ms: 2.68x faster
async_tree_memoization
526 ms
208 ms: 2.52x faster
async_tree_none
435 ms
182 ms: 2.40x faster
async_tree_cpu_io_mixed
638 ms
331 ms: 1.93x faster
Geometric mean
(ref)
2.36x faster
Benchmarks with tag 'math':
Benchmark
bm-20220323-pythonperf1-amd64-python-v3.10.4-3.10.4-9d38120
bm-20250416-pythonperf1-amd64-faster%2dcpython-virtual_iterators-3.14.0a7+-a4b740d
float
61.7 ms
43.3 ms: 1.43x faster
nbody
71.3 ms
63.0 ms: 1.13x faster
Geometric mean
(ref)
1.17x faster
Benchmark hidden because not significant (1): pidigits
Benchmarks with tag 'regex':
Benchmark
bm-20220323-pythonperf1-amd64-python-v3.10.4-3.10.4-9d38120
bm-20250416-pythonperf1-amd64-faster%2dcpython-virtual_iterators-3.14.0a7+-a4b740d
regex_compile
106 ms
81.0 ms: 1.31x faster
regex_dna
136 ms
116 ms: 1.17x faster
regex_effbot
1.66 ms
1.43 ms: 1.16x faster
regex_v8
15.4 ms
14.2 ms: 1.09x faster
Geometric mean
(ref)
1.18x faster
Benchmarks with tag 'serialize':
Benchmark
bm-20220323-pythonperf1-amd64-python-v3.10.4-3.10.4-9d38120
bm-20250416-pythonperf1-amd64-faster%2dcpython-virtual_iterators-3.14.0a7+-a4b740d
json_dumps
9.16 ms
6.58 ms: 1.39x faster
unpickle_pure_python
183 us
139 us: 1.32x faster
pickle_pure_python
270 us
212 us: 1.27x faster
tomli_loads
1.67 sec
1.39 sec: 1.21x faster
xml_etree_process
44.5 ms
38.9 ms: 1.14x faster
xml_etree_parse
96.8 ms
90.8 ms: 1.07x faster
json_loads
14.0 us
14.9 us: 1.06x slower
Geometric mean
(ref)
1.14x faster
Benchmark hidden because not significant (2): xml_etree_generate, xml_etree_iterparse
Benchmarks with tag 'startup':
Benchmark
bm-20220323-pythonperf1-amd64-python-v3.10.4-3.10.4-9d38120
bm-20250416-pythonperf1-amd64-faster%2dcpython-virtual_iterators-3.14.0a7+-a4b740d
python_startup
20.6 ms
26.4 ms: 1.28x slower
python_startup_no_site
15.5 ms
20.5 ms: 1.32x slower
Geometric mean
(ref)
1.30x slower
Benchmarks with tag 'template':
Benchmark
bm-20220323-pythonperf1-amd64-python-v3.10.4-3.10.4-9d38120
bm-20250416-pythonperf1-amd64-faster%2dcpython-virtual_iterators-3.14.0a7+-a4b740d
mako
9.03 ms
6.66 ms: 1.36x faster
genshi_text
19.8 ms
15.5 ms: 1.28x faster
genshi_xml
41.0 ms
34.1 ms: 1.20x faster
django_template
28.9 ms
24.4 ms: 1.18x faster
Geometric mean
(ref)
1.25x faster
Benchmark
bm-20220323-pythonperf1-amd64-python-v3.10.4-3.10.4-9d38120
bm-20250416-pythonperf1-amd64-faster%2dcpython-virtual_iterators-3.14.0a7+-a4b740d
typing_runtime_protocols
336 us
101 us: 3.32x faster
async_tree_io
1.11 sec
413 ms: 2.68x faster
async_tree_memoization
526 ms
208 ms: 2.52x faster
async_tree_none
435 ms
182 ms: 2.40x faster
pathlib
75.7 ms
32.2 ms: 2.35x faster
mdp
1.78 sec
769 ms: 2.32x faster
async_tree_cpu_io_mixed
638 ms
331 ms: 1.93x faster
deltablue
4.19 ms
2.19 ms: 1.91x faster
go
139 ms
78.4 ms: 1.77x faster
logging_silent
94.6 ns
54.7 ns: 1.73x faster
richards_super
52.2 ms
31.6 ms: 1.65x faster
generators
32.4 ms
20.1 ms: 1.61x faster
chaos
61.7 ms
38.6 ms: 1.60x faster
deepcopy_memo
28.8 us
18.5 us: 1.56x faster
raytrace
273 ms
176 ms: 1.55x faster
comprehensions
16.5 us
10.7 us: 1.54x faster
richards
42.4 ms
28.1 ms: 1.51x faster
deepcopy
255 us
171 us: 1.49x faster
pyflate
409 ms
283 ms: 1.45x faster
scimark_lu
85.8 ms
59.5 ms: 1.44x faster
scimark_monte_carlo
57.3 ms
39.9 ms: 1.44x faster
hexiom
5.74 ms
4.02 ms: 1.43x faster
float
61.7 ms
43.3 ms: 1.43x faster
json_dumps
9.16 ms
6.58 ms: 1.39x faster
scimark_sor
106 ms
76.8 ms: 1.38x faster
mako
9.03 ms
6.66 ms: 1.36x faster
spectral_norm
77.3 ms
57.9 ms: 1.33x faster
crypto_pyaes
62.5 ms
47.5 ms: 1.32x faster
unpickle_pure_python
183 us
139 us: 1.32x faster
regex_compile
106 ms
81.0 ms: 1.31x faster
pycparser
930 ms
717 ms: 1.30x faster
html5lib
51.0 ms
39.4 ms: 1.30x faster
genshi_text
19.8 ms
15.5 ms: 1.28x faster
pickle_pure_python
270 us
212 us: 1.27x faster
sqlite_synth
1.91 us
1.54 us: 1.24x faster
pprint_pformat
1.22 sec
997 ms: 1.22x faster
deepcopy_reduce
2.20 us
1.82 us: 1.21x faster
tomli_loads
1.67 sec
1.39 sec: 1.21x faster
pprint_safe_repr
592 ms
492 ms: 1.20x faster
genshi_xml
41.0 ms
34.1 ms: 1.20x faster
django_template
28.9 ms
24.4 ms: 1.18x faster
dulwich_log
50.5 ms
42.6 ms: 1.18x faster
regex_dna
136 ms
116 ms: 1.17x faster
docutils
1.92 sec
1.64 sec: 1.17x faster
coroutines
16.0 ms
13.7 ms: 1.17x faster
regex_effbot
1.66 ms
1.43 ms: 1.16x faster
xml_etree_process
44.5 ms
38.9 ms: 1.14x faster
2to3
246 ms
217 ms: 1.13x faster
nbody
71.3 ms
63.0 ms: 1.13x faster
nqueens
66.6 ms
59.6 ms: 1.12x faster
bench_thread_pool
958 us
869 us: 1.10x faster
regex_v8
15.4 ms
14.2 ms: 1.09x faster
scimark_fft
187 ms
175 ms: 1.07x faster
meteor_contest
75.9 ms
71.2 ms: 1.07x faster
xml_etree_parse
96.8 ms
90.8 ms: 1.07x faster
scimark_sparse_mat_mult
2.72 ms
2.59 ms: 1.05x faster
json
3.14 ms
3.05 ms: 1.03x faster
json_loads
14.0 us
14.9 us: 1.06x slower
telco
3.94 ms
4.59 ms: 1.16x slower
coverage
39.0 ms
48.8 ms: 1.25x slower
python_startup
20.6 ms
26.4 ms: 1.28x slower
python_startup_no_site
15.5 ms
20.5 ms: 1.32x slower
bench_mp_pool
62.0 ms
88.8 ms: 1.43x slower
gc_traversal
1.41 ms
2.08 ms: 1.48x slower
create_gc_cycles
800 us
1.25 ms: 1.56x slower
Geometric mean
(ref)
1.27x faster
Benchmark hidden because not significant (7): async_generators, pidigits, xml_etree_generate, fannkuch, logging_simple, logging_format, xml_etree_iterparse
Ignored benchmarks (26) of results/bm-20220323-3.10.4-9d38120/bm-20220323-pythonperf1-amd64-python-v3.10.4-3.10.4-9d38120.json: aiohttp, asyncio_tcp, asyncio_tcp_ssl, chameleon, dask, flaskblogging, mypy2, pickle, pickle_dict, pickle_list, pylint, sqlalchemy_declarative, sqlalchemy_imperative, sqlglot_normalize, sqlglot_optimize, sqlglot_parse, sqlglot_transpile, sympy_expand, sympy_integrate, sympy_str, sympy_sum, thrift, tornado_http, unpack_sequence, unpickle, unpickle_list
Ignored benchmarks (16) of results/bm-20250416-3.14.0a7+-a4b740d/bm-20250416-pythonperf1-amd64-faster%2dcpython-virtual_iterators-3.14.0a7+-a4b740d.json: async_tree_cpu_io_mixed_tg, async_tree_io_tg, async_tree_memoization_tg, async_tree_none_tg, asyncio_websockets, bpe_tokeniser, connected_components, k_core, many_optionals, shortest_path, sphinx, sqlglot_v2_normalize, sqlglot_v2_optimize, sqlglot_v2_parse, sqlglot_v2_transpile, subparsers
Geometric mean (including insignificant results): 1.284x faster
Reliability score: 100.00% likely to be faster
90% likely to have a speedup of 1.20x
95% likely to have a speedup of 1.18x
99% likely to have a speedup of 1.17x