fork: colesbury
ref: gh_129236_gc_stackpo
machine: linux-x86_64
commit hash: 1ec055b
commit date: 2025-01-23
overall geometric mean: 1.048x slower
HPT reliability: 99.98%
HPT 99th percentile: 1.03x slower
Memory change: 1.36x
Benchmarks with tag 'apps':
Benchmark
bm-20240906-vultr-x86_64-python-v3.12.6-3.12.6-a4a2d2b
bm-20250123-vultr-x86_64-colesbury-gh_129236_gc_stackpo-3.14.0a4+-1ec055b
2to3
264 ms
303 ms: 1.15x slower
docutils
2.64 sec
2.82 sec: 1.07x slower
html5lib
63.6 ms
68.4 ms: 1.08x slower
Geometric mean
(ref)
1.10x slower
Benchmarks with tag 'asyncio':
Benchmark
bm-20240906-vultr-x86_64-python-v3.12.6-3.12.6-a4a2d2b
bm-20250123-vultr-x86_64-colesbury-gh_129236_gc_stackpo-3.14.0a4+-1ec055b
async_tree_io_tg
1.11 sec
578 ms: 1.92x faster
async_tree_none_tg
446 ms
252 ms: 1.77x faster
async_tree_io
1.08 sec
611 ms: 1.77x faster
async_tree_memoization_tg
560 ms
321 ms: 1.74x faster
async_tree_none
464 ms
288 ms: 1.61x faster
async_tree_memoization
555 ms
353 ms: 1.57x faster
async_tree_cpu_io_mixed_tg
723 ms
507 ms: 1.42x faster
async_tree_cpu_io_mixed
715 ms
538 ms: 1.33x faster
async_generators
384 ms
375 ms: 1.03x faster
coroutines
23.9 ms
23.5 ms: 1.02x faster
asyncio_websockets
517 ms
512 ms: 1.01x faster
Geometric mean
(ref)
1.44x faster
Benchmarks with tag 'math':
Benchmark
bm-20240906-vultr-x86_64-python-v3.12.6-3.12.6-a4a2d2b
bm-20250123-vultr-x86_64-colesbury-gh_129236_gc_stackpo-3.14.0a4+-1ec055b
float
80.8 ms
75.8 ms: 1.07x faster
pidigits
184 ms
190 ms: 1.03x slower
nbody
89.3 ms
132 ms: 1.48x slower
Geometric mean
(ref)
1.13x slower
Benchmarks with tag 'regex':
Benchmark
bm-20240906-vultr-x86_64-python-v3.12.6-3.12.6-a4a2d2b
bm-20250123-vultr-x86_64-colesbury-gh_129236_gc_stackpo-3.14.0a4+-1ec055b
regex_effbot
3.17 ms
2.80 ms: 1.13x faster
regex_compile
142 ms
150 ms: 1.05x slower
regex_dna
168 ms
180 ms: 1.07x slower
regex_v8
20.6 ms
24.0 ms: 1.17x slower
Geometric mean
(ref)
1.04x slower
Benchmarks with tag 'serialize':
Benchmark
bm-20240906-vultr-x86_64-python-v3.12.6-3.12.6-a4a2d2b
bm-20250123-vultr-x86_64-colesbury-gh_129236_gc_stackpo-3.14.0a4+-1ec055b
xml_etree_iterparse
96.7 ms
87.2 ms: 1.11x faster
xml_etree_parse
139 ms
129 ms: 1.08x faster
tomli_loads
2.11 sec
2.34 sec: 1.11x slower
unpickle_pure_python
221 us
246 us: 1.11x slower
xml_etree_generate
85.2 ms
96.7 ms: 1.13x slower
json_loads
26.5 us
30.6 us: 1.15x slower
xml_etree_process
59.0 ms
69.3 ms: 1.17x slower
pickle_pure_python
308 us
375 us: 1.22x slower
json_dumps
10.4 ms
13.1 ms: 1.27x slower
Geometric mean
(ref)
1.11x slower
Benchmarks with tag 'startup':
Benchmark
bm-20240906-vultr-x86_64-python-v3.12.6-3.12.6-a4a2d2b
bm-20250123-vultr-x86_64-colesbury-gh_129236_gc_stackpo-3.14.0a4+-1ec055b
python_startup_no_site
7.16 ms
9.60 ms: 1.34x slower
python_startup
9.93 ms
15.3 ms: 1.54x slower
Geometric mean
(ref)
1.44x slower
Benchmarks with tag 'template':
Benchmark
bm-20240906-vultr-x86_64-python-v3.12.6-3.12.6-a4a2d2b
bm-20250123-vultr-x86_64-colesbury-gh_129236_gc_stackpo-3.14.0a4+-1ec055b
genshi_xml
50.2 ms
59.8 ms: 1.19x slower
genshi_text
22.8 ms
27.4 ms: 1.20x slower
django_template
34.7 ms
44.0 ms: 1.27x slower
mako
11.0 ms
15.8 ms: 1.43x slower
Geometric mean
(ref)
1.27x slower
Benchmark
bm-20240906-vultr-x86_64-python-v3.12.6-3.12.6-a4a2d2b
bm-20250123-vultr-x86_64-colesbury-gh_129236_gc_stackpo-3.14.0a4+-1ec055b
gc_traversal
3.46 ms
1.66 ms: 2.08x faster
async_tree_io_tg
1.11 sec
578 ms: 1.92x faster
async_tree_none_tg
446 ms
252 ms: 1.77x faster
async_tree_io
1.08 sec
611 ms: 1.77x faster
async_tree_memoization_tg
560 ms
321 ms: 1.74x faster
async_tree_none
464 ms
288 ms: 1.61x faster
async_tree_memoization
555 ms
353 ms: 1.57x faster
async_tree_cpu_io_mixed_tg
723 ms
507 ms: 1.42x faster
async_tree_cpu_io_mixed
715 ms
538 ms: 1.33x faster
pathlib
21.5 ms
18.9 ms: 1.14x faster
regex_effbot
3.17 ms
2.80 ms: 1.13x faster
deepcopy
352 us
316 us: 1.11x faster
xml_etree_iterparse
96.7 ms
87.2 ms: 1.11x faster
xml_etree_parse
139 ms
129 ms: 1.08x faster
float
80.8 ms
75.8 ms: 1.07x faster
sqlite_synth
2.20 us
2.08 us: 1.06x faster
deepcopy_memo
40.3 us
38.4 us: 1.05x faster
generators
32.2 ms
31.4 ms: 1.03x faster
async_generators
384 ms
375 ms: 1.03x faster
coroutines
23.9 ms
23.5 ms: 1.02x faster
go
139 ms
137 ms: 1.02x faster
asyncio_websockets
517 ms
512 ms: 1.01x faster
bpe_tokeniser
4.74 sec
4.72 sec: 1.00x faster
pycparser
1.17 sec
1.19 sec: 1.02x slower
spectral_norm
110 ms
113 ms: 1.03x slower
pidigits
184 ms
190 ms: 1.03x slower
comprehensions
19.8 us
20.6 us: 1.04x slower
deepcopy_reduce
3.08 us
3.19 us: 1.04x slower
logging_silent
109 ns
113 ns: 1.04x slower
scimark_sor
130 ms
136 ms: 1.04x slower
dulwich_log
78.9 ms
82.5 ms: 1.05x slower
regex_compile
142 ms
150 ms: 1.05x slower
mdp
2.42 sec
2.59 sec: 1.07x slower
docutils
2.64 sec
2.82 sec: 1.07x slower
regex_dna
168 ms
180 ms: 1.07x slower
json
5.02 ms
5.39 ms: 1.07x slower
html5lib
63.6 ms
68.4 ms: 1.08x slower
raytrace
299 ms
327 ms: 1.09x slower
logging_simple
6.63 us
7.27 us: 1.10x slower
pyflate
448 ms
495 ms: 1.10x slower
sqlalchemy_imperative
21.8 ms
24.1 ms: 1.11x slower
chaos
62.8 ms
69.7 ms: 1.11x slower
pprint_safe_repr
743 ms
826 ms: 1.11x slower
tomli_loads
2.11 sec
2.34 sec: 1.11x slower
unpickle_pure_python
221 us
246 us: 1.11x slower
pprint_pformat
1.52 sec
1.70 sec: 1.12x slower
scimark_fft
342 ms
383 ms: 1.12x slower
sympy_sum
166 ms
187 ms: 1.13x slower
xml_etree_generate
85.2 ms
96.7 ms: 1.13x slower
sqlglot_normalize
107 ms
121 ms: 1.14x slower
crypto_pyaes
76.6 ms
87.1 ms: 1.14x slower
sqlglot_transpile
1.67 ms
1.91 ms: 1.14x slower
logging_format
7.35 us
8.41 us: 1.14x slower
sqlalchemy_declarative
143 ms
164 ms: 1.15x slower
sympy_str
292 ms
335 ms: 1.15x slower
2to3
264 ms
303 ms: 1.15x slower
thrift
791 us
909 us: 1.15x slower
json_loads
26.5 us
30.6 us: 1.15x slower
sqlglot_optimize
53.3 ms
61.8 ms: 1.16x slower
regex_v8
20.6 ms
24.0 ms: 1.17x slower
sqlglot_parse
1.36 ms
1.59 ms: 1.17x slower
sympy_expand
468 ms
548 ms: 1.17x slower
xml_etree_process
59.0 ms
69.3 ms: 1.17x slower
sympy_integrate
20.5 ms
24.3 ms: 1.18x slower
scimark_monte_carlo
68.4 ms
81.0 ms: 1.18x slower
hexiom
6.17 ms
7.30 ms: 1.18x slower
genshi_xml
50.2 ms
59.8 ms: 1.19x slower
genshi_text
22.8 ms
27.4 ms: 1.20x slower
richards
45.9 ms
55.2 ms: 1.20x slower
nqueens
80.1 ms
96.3 ms: 1.20x slower
pickle_pure_python
308 us
375 us: 1.22x slower
scimark_lu
114 ms
139 ms: 1.22x slower
richards_super
51.9 ms
63.8 ms: 1.23x slower
typing_runtime_protocols
163 us
202 us: 1.24x slower
scimark_sparse_mat_mult
4.39 ms
5.49 ms: 1.25x slower
meteor_contest
104 ms
131 ms: 1.26x slower
json_dumps
10.4 ms
13.1 ms: 1.27x slower
django_template
34.7 ms
44.0 ms: 1.27x slower
create_gc_cycles
1.09 ms
1.40 ms: 1.29x slower
fannkuch
372 ms
480 ms: 1.29x slower
telco
6.53 ms
8.44 ms: 1.29x slower
python_startup_no_site
7.16 ms
9.60 ms: 1.34x slower
deltablue
3.45 ms
4.63 ms: 1.34x slower
coverage
71.4 ms
97.7 ms: 1.37x slower
mako
11.0 ms
15.8 ms: 1.43x slower
nbody
89.3 ms
132 ms: 1.48x slower
python_startup
9.93 ms
15.3 ms: 1.54x slower
bench_thread_pool
941 us
3.32 ms: 3.53x slower
bench_mp_pool
10.8 ms
95.0 ms: 8.80x slower
Geometric mean
(ref)
1.09x slower
Benchmark hidden because not significant (1): pylint
Ignored benchmarks (15) of results/bm-20240906-3.12.6-a4a2d2b/bm-20240906-vultr-x86_64-python-v3.12.6-3.12.6-a4a2d2b.json: aiohttp, asyncio_tcp, asyncio_tcp_ssl, chameleon, dask, flaskblogging, gunicorn, mypy2, pickle, pickle_dict, pickle_list, tornado_http, unpack_sequence, unpickle, unpickle_list
Ignored benchmarks (6) of results/bm-20250123-3.14.0a4+-1ec055b-NOGIL/bm-20250123-vultr-x86_64-colesbury-gh_129236_gc_stackpo-3.14.0a4+-1ec055b.json: connected_components, k_core, many_optionals, shortest_path, sphinx, subparsers
Geometric mean (including insignificant results): 1.048x slower
Reliability score: 99.98% likely to be slow
90% likely to have a slowdown of 1.06x
95% likely to have a slowdown of 1.05x
99% likely to have a slowdown of 1.03x