fork: faster-cpython
ref: virtual_iterators
machine: windows-amd64
commit hash: a4b740d
commit date: 2025-04-16
overall geometric mean: 1.096x faster
HPT reliability: 100.00%
HPT 99th percentile: 1.02x faster
Memory change: unknown
Benchmarks with tag 'apps':
Benchmark
bm-20231002-pythonperf1-amd64-python-v3.12.0-3.12.0-0fb18b0
bm-20250416-pythonperf1-amd64-faster%2dcpython-virtual_iterators-3.14.0a7+-a4b740d
docutils
1.66 sec
1.64 sec: 1.01x faster
Geometric mean
(ref)
1.01x faster
Benchmark hidden because not significant (1): 2to3
Benchmarks with tag 'asyncio':
Benchmark
bm-20231002-pythonperf1-amd64-python-v3.12.0-3.12.0-0fb18b0
bm-20250416-pythonperf1-amd64-faster%2dcpython-virtual_iterators-3.14.0a7+-a4b740d
async_tree_io_tg
771 ms
405 ms: 1.90x faster
async_tree_io
731 ms
413 ms: 1.77x faster
async_tree_memoization_tg
367 ms
214 ms: 1.72x faster
async_tree_none_tg
285 ms
173 ms: 1.65x faster
async_tree_memoization
339 ms
208 ms: 1.63x faster
async_tree_none
291 ms
182 ms: 1.60x faster
async_tree_cpu_io_mixed
489 ms
331 ms: 1.48x faster
async_tree_cpu_io_mixed_tg
502 ms
340 ms: 1.48x faster
Geometric mean
(ref)
1.65x faster
Benchmarks with tag 'math':
Benchmark
bm-20231002-pythonperf1-amd64-python-v3.12.0-3.12.0-0fb18b0
bm-20250416-pythonperf1-amd64-faster%2dcpython-virtual_iterators-3.14.0a7+-a4b740d
float
56.8 ms
43.3 ms: 1.31x faster
nbody
71.9 ms
63.0 ms: 1.14x faster
pidigits
152 ms
149 ms: 1.02x faster
Geometric mean
(ref)
1.15x faster
Benchmarks with tag 'regex':
Benchmark
bm-20231002-pythonperf1-amd64-python-v3.12.0-3.12.0-0fb18b0
bm-20250416-pythonperf1-amd64-faster%2dcpython-virtual_iterators-3.14.0a7+-a4b740d
regex_effbot
1.62 ms
1.43 ms: 1.13x faster
regex_dna
126 ms
116 ms: 1.09x faster
regex_compile
87.5 ms
81.0 ms: 1.08x faster
Geometric mean
(ref)
1.07x faster
Benchmark hidden because not significant (1): regex_v8
Benchmarks with tag 'serialize':
Benchmark
bm-20231002-pythonperf1-amd64-python-v3.12.0-3.12.0-0fb18b0
bm-20250416-pythonperf1-amd64-faster%2dcpython-virtual_iterators-3.14.0a7+-a4b740d
xml_etree_parse
93.0 ms
90.8 ms: 1.02x faster
xml_etree_generate
55.8 ms
55.4 ms: 1.01x faster
tomli_loads
1.37 sec
1.39 sec: 1.01x slower
xml_etree_process
37.7 ms
38.9 ms: 1.03x slower
unpickle_pure_python
133 us
139 us: 1.05x slower
json_loads
13.9 us
14.9 us: 1.07x slower
pickle_pure_python
195 us
212 us: 1.09x slower
json_dumps
5.70 ms
6.58 ms: 1.15x slower
Geometric mean
(ref)
1.04x slower
Benchmark hidden because not significant (1): xml_etree_iterparse
Benchmarks with tag 'startup':
Benchmark
bm-20231002-pythonperf1-amd64-python-v3.12.0-3.12.0-0fb18b0
bm-20250416-pythonperf1-amd64-faster%2dcpython-virtual_iterators-3.14.0a7+-a4b740d
python_startup_no_site
16.2 ms
20.5 ms: 1.26x slower
python_startup
19.5 ms
26.4 ms: 1.36x slower
Geometric mean
(ref)
1.31x slower
Benchmarks with tag 'template':
Benchmark
bm-20231002-pythonperf1-amd64-python-v3.12.0-3.12.0-0fb18b0
bm-20250416-pythonperf1-amd64-faster%2dcpython-virtual_iterators-3.14.0a7+-a4b740d
mako
7.09 ms
6.66 ms: 1.06x faster
django_template
22.9 ms
24.4 ms: 1.06x slower
Geometric mean
(ref)
1.00x faster
Benchmark
bm-20231002-pythonperf1-amd64-python-v3.12.0-3.12.0-0fb18b0
bm-20250416-pythonperf1-amd64-faster%2dcpython-virtual_iterators-3.14.0a7+-a4b740d
pathlib
80.5 ms
32.2 ms: 2.50x faster
async_tree_io_tg
771 ms
405 ms: 1.90x faster
mdp
1.37 sec
769 ms: 1.78x faster
async_tree_io
731 ms
413 ms: 1.77x faster
async_tree_memoization_tg
367 ms
214 ms: 1.72x faster
async_tree_none_tg
285 ms
173 ms: 1.65x faster
async_tree_memoization
339 ms
208 ms: 1.63x faster
async_tree_none
291 ms
182 ms: 1.60x faster
async_tree_cpu_io_mixed
489 ms
331 ms: 1.48x faster
async_tree_cpu_io_mixed_tg
502 ms
340 ms: 1.48x faster
deepcopy
238 us
171 us: 1.39x faster
comprehensions
14.1 us
10.7 us: 1.32x faster
float
56.8 ms
43.3 ms: 1.31x faster
deepcopy_memo
23.7 us
18.5 us: 1.28x faster
go
91.6 ms
78.4 ms: 1.17x faster
spectral_norm
66.9 ms
57.9 ms: 1.16x faster
deepcopy_reduce
2.09 us
1.82 us: 1.15x faster
nbody
71.9 ms
63.0 ms: 1.14x faster
sqlite_synth
1.76 us
1.54 us: 1.14x faster
regex_effbot
1.62 ms
1.43 ms: 1.13x faster
chaos
43.3 ms
38.6 ms: 1.12x faster
generators
22.5 ms
20.1 ms: 1.12x faster
logging_silent
60.5 ns
54.7 ns: 1.11x faster
scimark_monte_carlo
43.7 ms
39.9 ms: 1.10x faster
raytrace
192 ms
176 ms: 1.09x faster
regex_dna
126 ms
116 ms: 1.09x faster
async_generators
239 ms
221 ms: 1.09x faster
regex_compile
87.5 ms
81.0 ms: 1.08x faster
mako
7.09 ms
6.66 ms: 1.06x faster
scimark_fft
184 ms
175 ms: 1.06x faster
nqueens
62.8 ms
59.6 ms: 1.05x faster
pprint_pformat
1.05 sec
997 ms: 1.05x faster
meteor_contest
74.6 ms
71.2 ms: 1.05x faster
pyflate
295 ms
283 ms: 1.04x faster
pprint_safe_repr
513 ms
492 ms: 1.04x faster
coroutines
14.3 ms
13.7 ms: 1.04x faster
dulwich_log
44.3 ms
42.6 ms: 1.04x faster
scimark_sor
78.8 ms
76.8 ms: 1.03x faster
xml_etree_parse
93.0 ms
90.8 ms: 1.02x faster
pidigits
152 ms
149 ms: 1.02x faster
crypto_pyaes
48.5 ms
47.5 ms: 1.02x faster
hexiom
4.10 ms
4.02 ms: 1.02x faster
richards_super
32.1 ms
31.6 ms: 1.01x faster
richards
28.4 ms
28.1 ms: 1.01x faster
docutils
1.66 sec
1.64 sec: 1.01x faster
xml_etree_generate
55.8 ms
55.4 ms: 1.01x faster
scimark_lu
58.9 ms
59.5 ms: 1.01x slower
logging_format
6.72 us
6.79 us: 1.01x slower
scimark_sparse_mat_mult
2.56 ms
2.59 ms: 1.01x slower
tomli_loads
1.37 sec
1.39 sec: 1.01x slower
deltablue
2.16 ms
2.19 ms: 1.01x slower
pycparser
699 ms
717 ms: 1.03x slower
xml_etree_process
37.7 ms
38.9 ms: 1.03x slower
fannkuch
247 ms
257 ms: 1.04x slower
unpickle_pure_python
133 us
139 us: 1.05x slower
django_template
22.9 ms
24.4 ms: 1.06x slower
typing_runtime_protocols
95.1 us
101 us: 1.06x slower
json_loads
13.9 us
14.9 us: 1.07x slower
pickle_pure_python
195 us
212 us: 1.09x slower
telco
4.13 ms
4.59 ms: 1.11x slower
json_dumps
5.70 ms
6.58 ms: 1.15x slower
coverage
40.8 ms
48.8 ms: 1.20x slower
python_startup_no_site
16.2 ms
20.5 ms: 1.26x slower
bench_mp_pool
69.2 ms
88.8 ms: 1.28x slower
python_startup
19.5 ms
26.4 ms: 1.36x slower
gc_traversal
1.52 ms
2.08 ms: 1.37x slower
create_gc_cycles
752 us
1.25 ms: 1.66x slower
Geometric mean
(ref)
1.09x faster
Benchmark hidden because not significant (6): logging_simple, 2to3, regex_v8, json, xml_etree_iterparse, bench_thread_pool
Ignored benchmarks (23) of results/bm-20231002-3.12.0-0fb18b0/bm-20231002-pythonperf1-amd64-python-v3.12.0-3.12.0-0fb18b0.json: aiohttp, asyncio_tcp, asyncio_tcp_ssl, chameleon, dask, mypy2, pickle, pickle_dict, pickle_list, sqlalchemy_declarative, sqlalchemy_imperative, sqlglot_normalize, sqlglot_optimize, sqlglot_parse, sqlglot_transpile, sympy_expand, sympy_integrate, sympy_str, sympy_sum, tornado_http, unpack_sequence, unpickle, unpickle_list
Ignored benchmarks (15) of results/bm-20250416-3.14.0a7+-a4b740d/bm-20250416-pythonperf1-amd64-faster%2dcpython-virtual_iterators-3.14.0a7+-a4b740d.json: asyncio_websockets, bpe_tokeniser, connected_components, genshi_text, genshi_xml, html5lib, 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): 1.096x faster
Reliability score: 100.00% likely to be faster
90% likely to have a speedup of 1.04x
95% likely to have a speedup of 1.03x
99% likely to have a speedup of 1.02x