fork: python
ref: 2f60b8f02fe7cb83dd58
machine: windows-amd64
commit hash: 2f60b8f
commit date: 2025-11-01
overall geometric mean: 1.169x faster
HPT reliability: 100.00%
HPT 99th percentile: 1.07x faster
Memory change: unknown
Benchmarks with tag 'apps':
Benchmark
bm-20231002-pythonperf1-amd64-python-v3.12.0-3.12.0-0fb18b0
bm-20251101-pythonperf1-amd64-python-2f60b8f02fe7cb83dd58-3.15.0a1+-2f60b8f
2to3
218 ms
213 ms: 1.02x faster
docutils
1.66 sec
1.62 sec: 1.02x faster
Geometric mean
(ref)
1.02x faster
Benchmarks with tag 'asyncio':
Benchmark
bm-20231002-pythonperf1-amd64-python-v3.12.0-3.12.0-0fb18b0
bm-20251101-pythonperf1-amd64-python-2f60b8f02fe7cb83dd58-3.15.0a1+-2f60b8f
async_tree_io_tg
771 ms
366 ms: 2.11x faster
async_tree_io
731 ms
360 ms: 2.03x faster
async_tree_memoization_tg
367 ms
192 ms: 1.91x faster
async_tree_none_tg
285 ms
154 ms: 1.86x faster
async_tree_memoization
339 ms
190 ms: 1.79x faster
async_tree_none
291 ms
164 ms: 1.78x faster
async_tree_cpu_io_mixed
489 ms
321 ms: 1.52x faster
async_tree_cpu_io_mixed_tg
502 ms
330 ms: 1.52x faster
Geometric mean
(ref)
1.80x faster
Benchmarks with tag 'math':
Benchmark
bm-20231002-pythonperf1-amd64-python-v3.12.0-3.12.0-0fb18b0
bm-20251101-pythonperf1-amd64-python-2f60b8f02fe7cb83dd58-3.15.0a1+-2f60b8f
float
56.8 ms
38.9 ms: 1.46x faster
nbody
71.9 ms
53.1 ms: 1.35x faster
pidigits
152 ms
147 ms: 1.04x faster
Geometric mean
(ref)
1.27x faster
Benchmarks with tag 'regex':
Benchmark
bm-20231002-pythonperf1-amd64-python-v3.12.0-3.12.0-0fb18b0
bm-20251101-pythonperf1-amd64-python-2f60b8f02fe7cb83dd58-3.15.0a1+-2f60b8f
regex_compile
87.5 ms
77.5 ms: 1.13x faster
regex_dna
126 ms
117 ms: 1.08x faster
regex_effbot
1.62 ms
1.59 ms: 1.02x faster
regex_v8
14.2 ms
14.0 ms: 1.02x faster
Geometric mean
(ref)
1.06x faster
Benchmarks with tag 'serialize':
Benchmark
bm-20231002-pythonperf1-amd64-python-v3.12.0-3.12.0-0fb18b0
bm-20251101-pythonperf1-amd64-python-2f60b8f02fe7cb83dd58-3.15.0a1+-2f60b8f
unpickle_pure_python
133 us
103 us: 1.30x faster
tomli_loads
1.37 sec
1.06 sec: 1.29x faster
xml_etree_iterparse
65.2 ms
56.6 ms: 1.15x faster
xml_etree_generate
55.8 ms
48.6 ms: 1.15x faster
xml_etree_process
37.7 ms
34.2 ms: 1.10x faster
xml_etree_parse
93.0 ms
85.3 ms: 1.09x faster
json_dumps
5.70 ms
5.38 ms: 1.06x faster
pickle_pure_python
195 us
193 us: 1.02x faster
pickle
7.43 us
7.35 us: 1.01x faster
unpickle
8.18 us
8.28 us: 1.01x slower
pickle_dict
18.4 us
19.3 us: 1.05x slower
pickle_list
2.83 us
3.25 us: 1.15x slower
Geometric mean
(ref)
1.06x faster
Benchmark hidden because not significant (2): json_loads, unpickle_list
Benchmarks with tag 'startup':
Benchmark
bm-20231002-pythonperf1-amd64-python-v3.12.0-3.12.0-0fb18b0
bm-20251101-pythonperf1-amd64-python-2f60b8f02fe7cb83dd58-3.15.0a1+-2f60b8f
python_startup_no_site
16.2 ms
19.0 ms: 1.17x slower
python_startup
19.5 ms
25.4 ms: 1.31x slower
Geometric mean
(ref)
1.24x slower
Benchmarks with tag 'template':
Benchmark
bm-20231002-pythonperf1-amd64-python-v3.12.0-3.12.0-0fb18b0
bm-20251101-pythonperf1-amd64-python-2f60b8f02fe7cb83dd58-3.15.0a1+-2f60b8f
mako
7.09 ms
5.12 ms: 1.38x faster
django_template
22.9 ms
23.7 ms: 1.03x slower
Geometric mean
(ref)
1.16x faster
Benchmark
bm-20231002-pythonperf1-amd64-python-v3.12.0-3.12.0-0fb18b0
bm-20251101-pythonperf1-amd64-python-2f60b8f02fe7cb83dd58-3.15.0a1+-2f60b8f
pathlib
80.5 ms
29.0 ms: 2.78x faster
async_tree_io_tg
771 ms
366 ms: 2.11x faster
async_tree_io
731 ms
360 ms: 2.03x faster
async_tree_memoization_tg
367 ms
192 ms: 1.91x faster
async_tree_none_tg
285 ms
154 ms: 1.86x faster
async_tree_memoization
339 ms
190 ms: 1.79x faster
async_tree_none
291 ms
164 ms: 1.78x faster
mdp
1.37 sec
779 ms: 1.76x faster
async_tree_cpu_io_mixed
489 ms
321 ms: 1.52x faster
asyncio_tcp_ssl
2.10 sec
1.38 sec: 1.52x faster
async_tree_cpu_io_mixed_tg
502 ms
330 ms: 1.52x faster
deepcopy
238 us
160 us: 1.49x faster
float
56.8 ms
38.9 ms: 1.46x faster
scimark_fft
184 ms
132 ms: 1.39x faster
deepcopy_memo
23.7 us
17.0 us: 1.39x faster
comprehensions
14.1 us
10.2 us: 1.38x faster
mako
7.09 ms
5.12 ms: 1.38x faster
nbody
71.9 ms
53.1 ms: 1.35x faster
unpickle_pure_python
133 us
103 us: 1.30x faster
tomli_loads
1.37 sec
1.06 sec: 1.29x faster
pprint_safe_repr
513 ms
413 ms: 1.24x faster
pprint_pformat
1.05 sec
854 ms: 1.22x faster
go
91.6 ms
75.0 ms: 1.22x faster
deepcopy_reduce
2.09 us
1.73 us: 1.21x faster
pyflate
295 ms
246 ms: 1.20x faster
scimark_sparse_mat_mult
2.56 ms
2.15 ms: 1.19x faster
fannkuch
247 ms
210 ms: 1.17x faster
generators
22.5 ms
19.2 ms: 1.17x faster
xml_etree_iterparse
65.2 ms
56.6 ms: 1.15x faster
xml_etree_generate
55.8 ms
48.6 ms: 1.15x faster
unpack_sequence
37.5 ns
32.6 ns: 1.15x faster
sqlite_synth
1.76 us
1.53 us: 1.15x faster
dulwich_log
44.3 ms
38.9 ms: 1.14x faster
chaos
43.3 ms
38.2 ms: 1.13x faster
raytrace
192 ms
170 ms: 1.13x faster
regex_compile
87.5 ms
77.5 ms: 1.13x faster
logging_silent
60.5 ns
54.8 ns: 1.10x faster
xml_etree_process
37.7 ms
34.2 ms: 1.10x faster
scimark_monte_carlo
43.7 ms
39.9 ms: 1.10x faster
xml_etree_parse
93.0 ms
85.3 ms: 1.09x faster
pycparser
699 ms
646 ms: 1.08x faster
regex_dna
126 ms
117 ms: 1.08x faster
meteor_contest
74.6 ms
69.3 ms: 1.08x faster
sympy_sum
91.5 ms
85.1 ms: 1.08x faster
logging_simple
6.28 us
5.86 us: 1.07x faster
telco
4.13 ms
3.88 ms: 1.06x faster
crypto_pyaes
48.5 ms
45.7 ms: 1.06x faster
richards_super
32.1 ms
30.3 ms: 1.06x faster
hexiom
4.10 ms
3.87 ms: 1.06x faster
json_dumps
5.70 ms
5.38 ms: 1.06x faster
nqueens
62.8 ms
59.4 ms: 1.06x faster
logging_format
6.72 us
6.36 us: 1.06x faster
scimark_sor
78.8 ms
74.8 ms: 1.05x faster
richards
28.4 ms
27.0 ms: 1.05x faster
spectral_norm
66.9 ms
64.0 ms: 1.05x faster
sympy_integrate
13.0 ms
12.4 ms: 1.04x faster
pidigits
152 ms
147 ms: 1.04x faster
bench_thread_pool
857 us
826 us: 1.04x faster
sympy_str
175 ms
170 ms: 1.03x faster
scimark_lu
58.9 ms
57.4 ms: 1.03x faster
docutils
1.66 sec
1.62 sec: 1.02x faster
2to3
218 ms
213 ms: 1.02x faster
regex_effbot
1.62 ms
1.59 ms: 1.02x faster
regex_v8
14.2 ms
14.0 ms: 1.02x faster
json
3.05 ms
3.00 ms: 1.02x faster
coroutines
14.3 ms
14.0 ms: 1.02x faster
pickle_pure_python
195 us
193 us: 1.02x faster
pickle
7.43 us
7.35 us: 1.01x faster
unpickle
8.18 us
8.28 us: 1.01x slower
async_generators
239 ms
243 ms: 1.01x slower
django_template
22.9 ms
23.7 ms: 1.03x slower
pickle_dict
18.4 us
19.3 us: 1.05x slower
typing_runtime_protocols
95.1 us
105 us: 1.11x slower
asyncio_tcp
487 ms
541 ms: 1.11x slower
pickle_list
2.83 us
3.25 us: 1.15x slower
python_startup_no_site
16.2 ms
19.0 ms: 1.17x slower
coverage
40.8 ms
48.6 ms: 1.19x slower
bench_mp_pool
69.2 ms
88.6 ms: 1.28x slower
python_startup
19.5 ms
25.4 ms: 1.31x slower
gc_traversal
1.52 ms
2.12 ms: 1.39x slower
create_gc_cycles
752 us
1.29 ms: 1.71x slower
Geometric mean
(ref)
1.15x faster
Benchmark hidden because not significant (4): json_loads, deltablue, unpickle_list, sympy_expand
Ignored benchmarks (11) of results/bm-20231002-3.12.0-0fb18b0/bm-20231002-pythonperf1-amd64-python-v3.12.0-3.12.0-0fb18b0.json: aiohttp, chameleon, dask, mypy2, sqlalchemy_declarative, sqlalchemy_imperative, sqlglot_normalize, sqlglot_optimize, sqlglot_parse, sqlglot_transpile, tornado_http
Ignored benchmarks (17) of results/bm-20251101-3.15.0a1+-2f60b8f-JIT/bm-20251101-pythonperf1-amd64-python-2f60b8f02fe7cb83dd58-3.15.0a1+-2f60b8f.json: asyncio_websockets, bpe_tokeniser, connected_components, genshi_text, genshi_xml, html5lib, k_core, many_optionals, pylint, shortest_path, sphinx, sqlglot_v2_normalize, sqlglot_v2_optimize, sqlglot_v2_parse, sqlglot_v2_transpile, subparsers, thrift
Geometric mean (including insignificant results): 1.169x faster
Reliability score: 100.00% likely to be faster
90% likely to have a speedup of 1.09x
95% likely to have a speedup of 1.08x
99% likely to have a speedup of 1.07x